CLATSKANIE, OR · Columbia County
MIDLAND WATER ASSOCIATION Water System
Consumer Confidence Report status
MIDLAND WATER ASSOCIATION must publish a Consumer Confidence Report — the annual drinking water quality report covering calendar year 2026 — by July 1, 2027.
As of August 1, 2026, EPA's federal records show 1 item for MIDLAND WATER ASSOCIATION that is open and awaiting resolution. None are health-based violations — open items of this kind are most often monitoring or reporting requirements, not water-safety findings.
Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed August 1, 2026. This is a record-keeping and public-information tool — it does not replace Oregon’s official records. Always confirm current status with Oregon before making decisions based on this information.
System facts
- System ID (PWSID)
- OR4101139
- System type
- Community Water System
- Population served
- 160
- Service connections
- 72
- Ownership
- local government
- Water source
- surface water (rivers, lakes, or reservoirs)
MIDLAND WATER ASSOCIATION is one of 1,168 community water systems in Oregon in the 500 or fewer people size category, serving 160 people from surface water.
As of August 1, 2026, its federal record holds 300 entries between 1976 and 2026, of which 1 remains open; none are health-based.
Of the 300, 267 are monitoring and reporting requirements — the category that accounts for about four in five of all violations in EPA's national dataset — rather than findings about the water itself. The record involves the Surface Water Treatment Rules, volatile organic chemicals, and the Total Coliform Rules.
Violation history
Monthly Turbidity Exceed (Enhanced SWTR)
Health-basedInterim Enhanced Surface Water Treatment Rule
March 1, 2026 – March 31, 2026
ArchivedMonthly Turbidity Exceed (Enhanced SWTR)
Health-basedInterim Enhanced Surface Water Treatment Rule
December 1, 2025 – December 31, 2025
ArchivedMonthly Turbidity Exceed (Enhanced SWTR)
Health-basedInterim Enhanced Surface Water Treatment Rule
November 1, 2025 – November 30, 2025
ArchivedPublic Notification Violation for NPDWR Violation
—Public Notice
October 31, 2025
UnaddressedMonthly Turbidity Exceed (Enhanced SWTR)
Health-basedInterim Enhanced Surface Water Treatment Rule
October 1, 2025 – October 31, 2025
ArchivedMonthly Turbidity Exceed (Enhanced SWTR)
Health-basedInterim Enhanced Surface Water Treatment Rule
August 1, 2025 – August 31, 2025
ResolvedConsumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2025 – July 19, 2025
ResolvedMonitoring, Routine (RTCR)
—Revised Total Coliform Rule
July 1, 2025 – July 31, 2025
ResolvedMonthly Turbidity Exceed (Enhanced SWTR)
Health-basedInterim Enhanced Surface Water Treatment Rule
May 1, 2025 – May 31, 2025
ResolvedMonthly Turbidity Exceed (Enhanced SWTR)
Health-basedInterim Enhanced Surface Water Treatment Rule
February 1, 2025 – February 28, 2025
ResolvedMonthly Turbidity Exceed (Enhanced SWTR)
Health-basedInterim Enhanced Surface Water Treatment Rule
December 1, 2024 – December 31, 2024
ResolvedMonthly Turbidity Exceed (Enhanced SWTR)
Health-basedInterim Enhanced Surface Water Treatment Rule
November 1, 2024 – November 30, 2024
ResolvedMonthly Turbidity Exceed (Enhanced SWTR)
Health-basedInterim Enhanced Surface Water Treatment Rule
October 1, 2024 – October 31, 2024
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
May 1, 2024 – May 31, 2024
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
May 1, 2024 – May 31, 2024
ResolvedMonitoring, Turbidity (Enhanced SWTR)
—Interim Enhanced Surface Water Treatment Rule
May 1, 2024 – May 31, 2024
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
April 1, 2024 – April 30, 2024
ResolvedMonitoring, Turbidity (Enhanced SWTR)
—Interim Enhanced Surface Water Treatment Rule
April 1, 2024 – April 30, 2024
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
April 1, 2024 – April 30, 2024
ResolvedMonitoring, Turbidity (Enhanced SWTR)
—Interim Enhanced Surface Water Treatment Rule
February 1, 2024 – February 29, 2024
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
February 1, 2024 – February 29, 2024
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
February 1, 2024 – February 29, 2024
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
January 1, 2024 – January 31, 2024
ResolvedMonitoring and Reporting (DBP)
—Total Haloacetic Acids (HAA5)
January 1, 2024 – December 31, 2024
ResolvedMonitoring and Reporting (DBP)
—TTHM
January 1, 2024 – December 31, 2024
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
January 1, 2024 – January 31, 2024
ResolvedMonitoring, Turbidity (Enhanced SWTR)
—Interim Enhanced Surface Water Treatment Rule
January 1, 2024 – January 31, 2024
ResolvedTreatment Technique, Level 1 Assessment (RTCR)
Health-basedRevised Total Coliform Rule
December 17, 2023 – December 19, 2023
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
December 1, 2023 – December 31, 2023
ResolvedMonitoring, Turbidity (Enhanced SWTR)
—Interim Enhanced Surface Water Treatment Rule
December 1, 2023 – December 31, 2023
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
December 1, 2023 – December 31, 2023
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
November 1, 2023 – November 30, 2023
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
November 1, 2023 – November 30, 2023
ResolvedMonitoring, Turbidity (Enhanced SWTR)
—Interim Enhanced Surface Water Treatment Rule
November 1, 2023 – November 30, 2023
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
October 1, 2023 – October 31, 2023
ResolvedMonitoring, Routine (RTCR)
—Revised Total Coliform Rule
October 1, 2023 – October 31, 2023
ResolvedConsumer Confidence Report Inadequate Reporting
—Consumer Confidence Rule
October 1, 2023 – January 2, 2024
ResolvedMonitoring, Turbidity (Enhanced SWTR)
—Interim Enhanced Surface Water Treatment Rule
October 1, 2023 – October 31, 2023
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
October 1, 2023 – October 31, 2023
ResolvedMonitoring, Turbidity (Enhanced SWTR)
—Interim Enhanced Surface Water Treatment Rule
September 1, 2023 – September 30, 2023
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
September 1, 2023 – September 30, 2023
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
September 1, 2023 – September 30, 2023
ResolvedMonitoring, Routine (RTCR)
—Revised Total Coliform Rule
September 1, 2023 – September 30, 2023
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
August 1, 2023 – August 31, 2023
ResolvedMonitoring, Turbidity (Enhanced SWTR)
—Interim Enhanced Surface Water Treatment Rule
August 1, 2023 – August 31, 2023
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
August 1, 2023 – August 31, 2023
ResolvedMonitoring, Routine (RTCR)
—Revised Total Coliform Rule
August 1, 2023 – August 31, 2023
ResolvedMonitoring, Routine (RTCR)
—Revised Total Coliform Rule
July 1, 2023 – July 31, 2023
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
July 1, 2023 – July 31, 2023
ResolvedMonitoring, Turbidity (Enhanced SWTR)
—Interim Enhanced Surface Water Treatment Rule
July 1, 2023 – July 31, 2023
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
July 1, 2023 – July 31, 2023
ResolvedConsumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2023 – January 2, 2024
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
May 1, 2023 – May 31, 2023
ResolvedMonitoring, Turbidity (Enhanced SWTR)
—Interim Enhanced Surface Water Treatment Rule
May 1, 2023 – May 31, 2023
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
May 1, 2023 – May 31, 2023
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
April 1, 2023 – April 30, 2023
ResolvedMonitoring, Turbidity (Enhanced SWTR)
—Interim Enhanced Surface Water Treatment Rule
April 1, 2023 – April 30, 2023
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
April 1, 2023 – April 30, 2023
ResolvedMonitoring, Routine (RTCR)
—Revised Total Coliform Rule
April 1, 2023 – April 30, 2023
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
February 1, 2023 – February 28, 2023
ResolvedMonitoring, Turbidity (Enhanced SWTR)
—Interim Enhanced Surface Water Treatment Rule
February 1, 2023 – February 28, 2023
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
February 1, 2023 – February 28, 2023
ResolvedMonitoring, Routine (RTCR)
—Revised Total Coliform Rule
February 1, 2023 – February 28, 2023
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
November 1, 2022 – November 30, 2022
ResolvedMonitoring, Turbidity (Enhanced SWTR)
—Interim Enhanced Surface Water Treatment Rule
November 1, 2022 – November 30, 2022
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
November 1, 2022 – November 30, 2022
ResolvedMonitoring, Turbidity (Enhanced SWTR)
—Interim Enhanced Surface Water Treatment Rule
October 1, 2022 – October 31, 2022
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
October 1, 2022 – October 31, 2022
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
October 1, 2022 – October 31, 2022
ResolvedTreatment Technique No Certif. Operator
Health-basedStage 1 Disinfectants and Disinfection Byproducts Rule
September 16, 2022 – November 7, 2024
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
September 1, 2022 – September 30, 2022
ResolvedMonitoring, Turbidity (Enhanced SWTR)
—Interim Enhanced Surface Water Treatment Rule
September 1, 2022 – September 30, 2022
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
September 1, 2022 – September 30, 2022
ResolvedMonitoring, Routine (RTCR)
—Revised Total Coliform Rule
September 1, 2022 – September 30, 2022
ResolvedMonitoring, Turbidity (Enhanced SWTR)
—Interim Enhanced Surface Water Treatment Rule
August 1, 2022 – August 31, 2022
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
August 1, 2022 – August 31, 2022
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
August 1, 2022 – August 31, 2022
ResolvedMonitoring, Turbidity (Enhanced SWTR)
—Interim Enhanced Surface Water Treatment Rule
July 1, 2022 – July 31, 2022
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
July 1, 2022 – July 31, 2022
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
July 1, 2022 – July 31, 2022
ResolvedMonitoring, Routine (RTCR)
—Revised Total Coliform Rule
July 1, 2022 – July 31, 2022
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
June 1, 2022 – June 30, 2022
ResolvedMonitoring, Turbidity (Enhanced SWTR)
—Interim Enhanced Surface Water Treatment Rule
June 1, 2022 – June 30, 2022
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
June 1, 2022 – June 30, 2022
ResolvedMonitoring, Routine (RTCR)
—Revised Total Coliform Rule
June 1, 2022 – June 30, 2022
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
April 1, 2022 – April 30, 2022
ResolvedMonitoring, Turbidity (Enhanced SWTR)
—Interim Enhanced Surface Water Treatment Rule
April 1, 2022 – April 30, 2022
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
April 1, 2022 – April 30, 2022
ResolvedMonitoring, Routine (RTCR)
—Revised Total Coliform Rule
April 1, 2022 – April 30, 2022
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
March 1, 2022 – March 31, 2022
ResolvedMonitoring, Turbidity (Enhanced SWTR)
—Interim Enhanced Surface Water Treatment Rule
March 1, 2022 – March 31, 2022
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
March 1, 2022 – March 31, 2022
ResolvedMonitoring, Routine (RTCR)
—Revised Total Coliform Rule
March 1, 2022 – March 31, 2022
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
February 1, 2022 – February 28, 2022
ResolvedMonitoring, Turbidity (Enhanced SWTR)
—Interim Enhanced Surface Water Treatment Rule
February 1, 2022 – February 28, 2022
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
February 1, 2022 – February 28, 2022
ResolvedMonitoring, Routine (RTCR)
—Revised Total Coliform Rule
February 1, 2022 – February 28, 2022
ResolvedMonitoring, Turbidity (Enhanced SWTR)
—Interim Enhanced Surface Water Treatment Rule
January 1, 2022 – January 31, 2022
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
January 1, 2022 – January 31, 2022
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
January 1, 2022 – January 31, 2022
ResolvedMonitoring, Routine (RTCR)
—Revised Total Coliform Rule
January 1, 2022 – January 31, 2022
ResolvedMonitoring, Turbidity (Enhanced SWTR)
—Interim Enhanced Surface Water Treatment Rule
December 1, 2021 – December 31, 2021
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
December 1, 2021 – December 31, 2021
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
December 1, 2021 – December 31, 2021
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
November 1, 2021 – November 30, 2021
ResolvedMonitoring, Turbidity (Enhanced SWTR)
—Interim Enhanced Surface Water Treatment Rule
November 1, 2021 – November 30, 2021
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
November 1, 2021 – November 30, 2021
ResolvedFollow-up Or Routine LCR Tap M/R
—Lead and Copper Rule
October 1, 2021 – June 20, 2022
ResolvedMonitoring, Turbidity (Enhanced SWTR)
—Interim Enhanced Surface Water Treatment Rule
October 1, 2021 – October 31, 2021
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
October 1, 2021 – October 31, 2021
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
October 1, 2021 – October 31, 2021
ResolvedMonitoring, Routine (RTCR)
—Revised Total Coliform Rule
October 1, 2021 – October 31, 2021
ResolvedMonitoring, Turbidity (Enhanced SWTR)
—Interim Enhanced Surface Water Treatment Rule
September 1, 2021 – September 30, 2021
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
September 1, 2021 – September 30, 2021
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
September 1, 2021 – September 30, 2021
ResolvedMonitoring, Routine (RTCR)
—Revised Total Coliform Rule
September 1, 2021 – September 30, 2021
ResolvedMonitoring, Turbidity (Enhanced SWTR)
—Interim Enhanced Surface Water Treatment Rule
August 1, 2021 – August 31, 2021
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
August 1, 2021 – August 31, 2021
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
August 1, 2021 – August 31, 2021
ResolvedMonitoring, Routine (RTCR)
—Revised Total Coliform Rule
July 1, 2021 – July 31, 2021
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
June 1, 2021 – June 30, 2021
ResolvedMonitoring, Turbidity (Enhanced SWTR)
—Interim Enhanced Surface Water Treatment Rule
June 1, 2021 – June 30, 2021
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
June 1, 2021 – June 30, 2021
ResolvedMonitoring, Routine (RTCR)
—Revised Total Coliform Rule
June 1, 2021 – June 30, 2021
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
May 1, 2021 – May 31, 2021
ResolvedMonitoring, Turbidity (Enhanced SWTR)
—Interim Enhanced Surface Water Treatment Rule
May 1, 2021 – May 31, 2021
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
May 1, 2021 – May 31, 2021
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
April 1, 2021 – April 30, 2021
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
April 1, 2021 – April 30, 2021
ResolvedMonitoring, Turbidity (Enhanced SWTR)
—Interim Enhanced Surface Water Treatment Rule
April 1, 2021 – April 30, 2021
ResolvedMonitoring, Routine (RTCR)
—Revised Total Coliform Rule
March 1, 2021 – March 31, 2021
ResolvedMonitoring, Regular
—Benzene
January 1, 2021 – December 31, 2021
ResolvedMonitoring, Routine (RTCR)
—Revised Total Coliform Rule
January 1, 2021 – January 31, 2021
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
January 1, 2021 – January 31, 2021
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
January 1, 2021 – January 31, 2021
ResolvedMonitoring, Turbidity (Enhanced SWTR)
—Interim Enhanced Surface Water Treatment Rule
January 1, 2021 – January 31, 2021
ResolvedMonitoring, Regular
—Nitrate
January 1, 2021 – December 31, 2021
ResolvedMonitoring, Regular
—1,2,4-Trichlorobenzene
January 1, 2021 – December 31, 2021
ResolvedMonitoring, Regular
—cis-1,2-Dichloroethylene
January 1, 2021 – December 31, 2021
ResolvedMonitoring, Regular
—Xylenes, Total
January 1, 2021 – December 31, 2021
ResolvedMonitoring, Regular
—DICHLOROMETHANE
January 1, 2021 – December 31, 2021
ResolvedMonitoring, Regular
—o-Dichlorobenzene
January 1, 2021 – December 31, 2021
ResolvedMonitoring, Regular
—p-Dichlorobenzene
January 1, 2021 – December 31, 2021
ResolvedMonitoring, Regular
—Vinyl chloride
January 1, 2021 – December 31, 2021
ResolvedMonitoring, Regular
—1,1-Dichloroethylene
January 1, 2021 – December 31, 2021
ResolvedMonitoring, Regular
—trans-1,2-Dichloroethylene
January 1, 2021 – December 31, 2021
ResolvedMonitoring, Regular
—1,2-Dichloroethane
January 1, 2021 – December 31, 2021
ResolvedMonitoring, Regular
—1,1,1-Trichloroethane
January 1, 2021 – December 31, 2021
ResolvedMonitoring, Regular
—Carbon tetrachloride
January 1, 2021 – December 31, 2021
ResolvedMonitoring, Regular
—1,2-Dichloropropane
January 1, 2021 – December 31, 2021
ResolvedMonitoring, Regular
—Trichloroethylene
January 1, 2021 – December 31, 2021
ResolvedMonitoring, Regular
—1,1,2-Trichloroethane
January 1, 2021 – December 31, 2021
ResolvedMonitoring, Regular
—Tetrachloroethylene
January 1, 2021 – December 31, 2021
ResolvedMonitoring, Regular
—CHLOROBENZENE
January 1, 2021 – December 31, 2021
ResolvedMonitoring, Regular
—Toluene
January 1, 2021 – December 31, 2021
ResolvedMonitoring, Regular
—Ethylbenzene
January 1, 2021 – December 31, 2021
ResolvedMonitoring, Regular
—Styrene
January 1, 2021 – December 31, 2021
ResolvedMonitoring and Reporting (DBP)
—TTHM
January 1, 2021 – December 31, 2021
ResolvedMonitoring and Reporting (DBP)
—Total Haloacetic Acids (HAA5)
January 1, 2021 – December 31, 2021
ResolvedPublic Notification Violation for NPDWR Violation
—Public Notice
December 23, 2020 – January 27, 2021
ResolvedMonitoring, Turbidity (Enhanced SWTR)
—Interim Enhanced Surface Water Treatment Rule
December 1, 2020 – December 31, 2020
ResolvedMaximum Contaminant Level Violation, E. coli (RTCR)
Health-basedRevised Total Coliform Rule
December 1, 2020 – December 31, 2020
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
December 1, 2020 – December 31, 2020
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
December 1, 2020 – December 31, 2020
ResolvedTreatment Technique (SWTR and GWR)
Health-basedSurface Water Treatment Rule
December 1, 2020 – December 31, 2020
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
November 1, 2020 – November 30, 2020
ResolvedMonitoring, Routine (RTCR)
—Revised Total Coliform Rule
November 1, 2020 – November 30, 2020
ResolvedMonitoring, Turbidity (Enhanced SWTR)
—Interim Enhanced Surface Water Treatment Rule
November 1, 2020 – November 30, 2020
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
November 1, 2020 – November 30, 2020
ResolvedMonitoring, Routine (RTCR)
—Revised Total Coliform Rule
October 1, 2020 – October 31, 2020
ResolvedMonitoring, Turbidity (Enhanced SWTR)
—Interim Enhanced Surface Water Treatment Rule
October 1, 2020 – October 31, 2020
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
October 1, 2020 – October 31, 2020
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
October 1, 2020 – October 31, 2020
ResolvedMonitoring, Turbidity (Enhanced SWTR)
—Interim Enhanced Surface Water Treatment Rule
September 1, 2020 – September 30, 2020
ResolvedMonitoring, Routine (RTCR)
—Revised Total Coliform Rule
September 1, 2020 – September 30, 2020
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
September 1, 2020 – September 30, 2020
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
September 1, 2020 – September 30, 2020
ResolvedMonitoring, Turbidity (Enhanced SWTR)
—Interim Enhanced Surface Water Treatment Rule
August 1, 2020 – August 31, 2020
ResolvedMonitoring, Routine (RTCR)
—Revised Total Coliform Rule
August 1, 2020 – August 31, 2020
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
August 1, 2020 – August 31, 2020
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
August 1, 2020 – August 31, 2020
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
July 1, 2020 – July 31, 2020
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
July 1, 2020 – July 31, 2020
ResolvedMonitoring, Turbidity (Enhanced SWTR)
—Interim Enhanced Surface Water Treatment Rule
July 1, 2020 – July 31, 2020
ResolvedMonitoring, Routine (RTCR)
—Revised Total Coliform Rule
July 1, 2020 – July 31, 2020
ResolvedMonitoring, Turbidity (Enhanced SWTR)
—Interim Enhanced Surface Water Treatment Rule
June 1, 2020 – June 30, 2020
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
June 1, 2020 – June 30, 2020
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
June 1, 2020 – June 30, 2020
ResolvedMonitoring, Turbidity (Enhanced SWTR)
—Interim Enhanced Surface Water Treatment Rule
May 1, 2020 – May 31, 2020
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
May 1, 2020 – May 31, 2020
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
May 1, 2020 – May 31, 2020
ResolvedMonitoring, Routine (RTCR)
—Revised Total Coliform Rule
May 1, 2020 – May 31, 2020
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
April 1, 2020 – April 30, 2020
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
April 1, 2020 – April 30, 2020
ResolvedMonitoring, Turbidity (Enhanced SWTR)
—Interim Enhanced Surface Water Treatment Rule
April 1, 2020 – April 30, 2020
ResolvedMonitoring, Routine (RTCR)
—Revised Total Coliform Rule
April 1, 2020 – April 30, 2020
ResolvedMonitoring, Regular
—DICHLOROMETHANE
January 1, 2020 – December 31, 2020
ResolvedMonitoring, Regular
—cis-1,2-Dichloroethylene
January 1, 2020 – December 31, 2020
ResolvedMonitoring, Regular
—1,2,4-Trichlorobenzene
January 1, 2020 – December 31, 2020
ResolvedMonitoring, Regular
—p-Dichlorobenzene
January 1, 2020 – December 31, 2020
ResolvedMonitoring, Regular
—Vinyl chloride
January 1, 2020 – December 31, 2020
ResolvedMonitoring, Regular
—1,1-Dichloroethylene
January 1, 2020 – December 31, 2020
ResolvedMonitoring, Regular
—trans-1,2-Dichloroethylene
January 1, 2020 – December 31, 2020
ResolvedMonitoring, Regular
—1,2-Dichloroethane
January 1, 2020 – December 31, 2020
ResolvedMonitoring, Regular
—1,1,1-Trichloroethane
January 1, 2020 – December 31, 2020
ResolvedMonitoring, Regular
—Carbon tetrachloride
January 1, 2020 – December 31, 2020
ResolvedMonitoring, Regular
—1,2-Dichloropropane
January 1, 2020 – December 31, 2020
ResolvedMonitoring, Regular
—Trichloroethylene
January 1, 2020 – December 31, 2020
ResolvedMonitoring, Regular
—1,1,2-Trichloroethane
January 1, 2020 – December 31, 2020
ResolvedMonitoring, Regular
—Tetrachloroethylene
January 1, 2020 – December 31, 2020
ResolvedMonitoring, Regular
—CHLOROBENZENE
January 1, 2020 – December 31, 2020
ResolvedMonitoring, Regular
—Benzene
January 1, 2020 – December 31, 2020
ResolvedMonitoring, Regular
—Toluene
January 1, 2020 – December 31, 2020
ResolvedMonitoring, Regular
—Ethylbenzene
January 1, 2020 – December 31, 2020
ResolvedMonitoring, Regular
—Styrene
January 1, 2020 – December 31, 2020
ResolvedMonitoring, Regular
—o-Dichlorobenzene
January 1, 2020 – December 31, 2020
ResolvedMonitoring, Regular
—Xylenes, Total
January 1, 2020 – December 31, 2020
ResolvedMonitoring and Reporting (DBP)
—Total Haloacetic Acids (HAA5)
November 1, 2019 – October 31, 2020
ResolvedMonitoring and Reporting (DBP)
—TTHM
November 1, 2019 – October 31, 2020
ResolvedMonitoring and Reporting (DBP)
—Total Haloacetic Acids (HAA5)
January 1, 2019 – October 31, 2019
ResolvedMonitoring and Reporting (DBP)
—TTHM
January 1, 2019 – October 31, 2019
ResolvedMonitoring and Reporting (DBP)
—TTHM
October 1, 2017 – December 31, 2017
ResolvedMonitoring and Reporting (DBP)
—Total Haloacetic Acids (HAA5)
April 1, 2017 – June 30, 2017
ResolvedMonitoring and Reporting (DBP)
—TTHM
April 1, 2017 – June 30, 2017
ResolvedMonitoring, Regular
—Combined Uranium
January 1, 2017 – December 31, 2025
ArchivedMonitoring, Regular
—Gross Alpha, Excl. Radon and U
January 1, 2017 – December 31, 2025
ArchivedMonitoring, Regular
—Combined Radium (-226 and -228)
January 1, 2017 – December 31, 2025
ArchivedSingle Turbidity Exceed (Enhanced SWTR)
Health-basedInterim Enhanced Surface Water Treatment Rule
November 1, 2016 – November 30, 2016
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
January 1, 2016 – January 31, 2016
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
January 1, 2016 – January 31, 2016
ResolvedMonitoring, Turbidity (Enhanced SWTR)
—Interim Enhanced Surface Water Treatment Rule
January 1, 2016 – January 31, 2016
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
December 1, 2015 – December 31, 2015
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
December 1, 2015 – December 31, 2015
ResolvedMonitoring, Turbidity (Enhanced SWTR)
—Interim Enhanced Surface Water Treatment Rule
December 1, 2015 – December 31, 2015
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
December 1, 2015 – December 31, 2015
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
November 1, 2015 – November 30, 2015
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
October 1, 2015 – October 31, 2015
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
August 1, 2015 – August 31, 2015
ResolvedPublic Notification Violation for NPDWR Violation
—Public Notice
December 26, 2014 – December 16, 2014
ResolvedPublic Notification Violation for NPDWR Violation
—Public Notice
December 26, 2014 – December 16, 2014
ResolvedMonthly Turbidity Exceed (Enhanced SWTR)
Health-basedInterim Enhanced Surface Water Treatment Rule
November 1, 2014 – November 30, 2014
ResolvedSingle Turbidity Exceed (Enhanced SWTR)
Health-basedInterim Enhanced Surface Water Treatment Rule
October 1, 2014 – October 31, 2014
ResolvedMonthly Turbidity Exceed (Enhanced SWTR)
Health-basedInterim Enhanced Surface Water Treatment Rule
October 1, 2014 – October 31, 2014
ResolvedMonthly Turbidity Exceed (Enhanced SWTR)
Health-basedInterim Enhanced Surface Water Treatment Rule
September 1, 2014 – September 30, 2014
ResolvedSingle Turbidity Exceed (Enhanced SWTR)
Health-basedInterim Enhanced Surface Water Treatment Rule
September 1, 2014 – September 30, 2014
ResolvedMonthly Turbidity Exceed (Enhanced SWTR)
Health-basedInterim Enhanced Surface Water Treatment Rule
September 1, 2013 – September 30, 2013
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
July 1, 2013 – July 31, 2013
ResolvedMonitoring and Reporting (DBP)
—TTHM
January 1, 2012 – December 31, 2012
ResolvedMonitoring and Reporting (DBP)
—Total Haloacetic Acids (HAA5)
January 1, 2012 – December 31, 2012
ResolvedTreatment Technique (SWTR and GWR)
Health-basedSurface Water Treatment Rule
November 1, 2011 – November 30, 2011
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
September 1, 2011 – September 30, 2011
ResolvedMonitoring, Turbidity (Enhanced SWTR)
—Interim Enhanced Surface Water Treatment Rule
August 1, 2011 – August 31, 2011
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
August 1, 2011 – August 31, 2011
ResolvedTreatment Technique (SWTR and GWR)
Health-basedSurface Water Treatment Rule
March 1, 2011 – March 31, 2011
ResolvedTreatment Technique (SWTR and GWR)
Health-basedSurface Water Treatment Rule
March 1, 2011 – March 31, 2011
ResolvedTreatment Technique No Certif. Operator
Health-basedStage 1 Disinfectants and Disinfection Byproducts Rule
January 1, 2011 – July 12, 2012
ResolvedTreatment Technique (SWTR and GWR)
Health-basedSurface Water Treatment Rule
December 1, 2010 – December 31, 2010
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
December 1, 2010 – December 31, 2010
ResolvedMonitoring, Regular
—Tetrachloroethylene
January 1, 2009 – December 31, 2009
ResolvedMonitoring, Regular
—Nitrate
January 1, 2009 – December 31, 2009
ResolvedMonitoring and Reporting (DBP)
—Total Haloacetic Acids (HAA5)
January 1, 2009 – January 31, 2009
ResolvedMonitoring, Regular
—Styrene
January 1, 2009 – December 31, 2009
ResolvedMonitoring, Regular
—Ethylbenzene
January 1, 2009 – December 31, 2009
ResolvedMonitoring, Regular
—Toluene
January 1, 2009 – December 31, 2009
ResolvedMonitoring, Regular
—Benzene
January 1, 2009 – December 31, 2009
ResolvedMonitoring, Regular
—CHLOROBENZENE
January 1, 2009 – December 31, 2009
ResolvedMonitoring, Regular
—cis-1,2-Dichloroethylene
January 1, 2009 – December 31, 2009
ResolvedMonitoring, Regular
—Xylenes, Total
January 1, 2009 – December 31, 2009
ResolvedMonitoring, Regular
—DICHLOROMETHANE
January 1, 2009 – December 31, 2009
ResolvedMonitoring, Regular
—o-Dichlorobenzene
January 1, 2009 – December 31, 2009
ResolvedMonitoring, Regular
—p-Dichlorobenzene
January 1, 2009 – December 31, 2009
ResolvedMonitoring, Regular
—Vinyl chloride
January 1, 2009 – December 31, 2009
ResolvedMonitoring, Regular
—trans-1,2-Dichloroethylene
January 1, 2009 – December 31, 2009
ResolvedMonitoring, Regular
—1,2-Dichloroethane
January 1, 2009 – December 31, 2009
ResolvedMonitoring, Regular
—1,1,1-Trichloroethane
January 1, 2009 – December 31, 2009
ResolvedMonitoring, Regular
—1,2-Dichloropropane
January 1, 2009 – December 31, 2009
ResolvedMonitoring, Regular
—Trichloroethylene
January 1, 2009 – December 31, 2009
ResolvedMonitoring, Regular
—1,1,2-Trichloroethane
January 1, 2009 – December 31, 2009
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
June 1, 1998 – June 30, 1998
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
June 1, 1998 – June 30, 1998
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
June 1, 1996 – June 30, 1996
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
May 1, 1996 – May 31, 1996
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
April 1, 1996 – April 30, 1996
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
April 1, 1996 – April 30, 1996
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
March 1, 1996 – March 31, 1996
ResolvedMonitoring, Regular
—Nitrate
January 1, 1996 – December 31, 1996
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
September 1, 1993 – September 30, 1993
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
July 1, 1993 – July 31, 1993
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
October 1, 1992 – October 31, 1992
ArchivedMonitoring, Routine Major (TCR)
—Coliform (TCR)
October 1, 1992 – October 31, 1992
ResolvedMonitoring, Regular
—Cadmium
June 24, 1979 – June 23, 1980
ArchivedMonitoring, Regular
—Chromium
June 24, 1979 – June 23, 1980
ArchivedMonitoring, Regular
—Selenium
June 24, 1979 – June 23, 1980
ArchivedMonitoring, Regular
—Fluoride
June 24, 1979 – June 23, 1980
ArchivedMonitoring, Regular
—Mercury
June 24, 1979 – June 23, 1980
ArchivedMonitoring, Regular
—Nitrate
June 24, 1979 – June 23, 1980
ArchivedMonitoring, Regular
—Arsenic
June 24, 1979 – June 23, 1980
ArchivedMonitoring, Regular
—Barium
June 24, 1979 – June 23, 1980
ArchivedMonitoring, Regular
—Combined Radium (-226 and -228)
June 1, 1976 – May 31, 1980
ArchivedMonitoring, Regular
—Gross Alpha, Excl. Radon and U
June 1, 1976 – May 31, 1980
Archived
Archived closed in EPA's records (typically due to age or a data correction)Unaddressed no corrective action on record yetResolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| March 1, 2026 – March 31, 2026 | Monthly Turbidity Exceed (Enhanced SWTR) | Interim Enhanced Surface Water Treatment Rule | Health-based | Archived |
| December 1, 2025 – December 31, 2025 | Monthly Turbidity Exceed (Enhanced SWTR) | Interim Enhanced Surface Water Treatment Rule | Health-based | Archived |
| November 1, 2025 – November 30, 2025 | Monthly Turbidity Exceed (Enhanced SWTR) | Interim Enhanced Surface Water Treatment Rule | Health-based | Archived |
| October 31, 2025 | Public Notification Violation for NPDWR Violation | Public Notice | — | Unaddressed |
| October 1, 2025 – October 31, 2025 | Monthly Turbidity Exceed (Enhanced SWTR) | Interim Enhanced Surface Water Treatment Rule | Health-based | Archived |
| August 1, 2025 – August 31, 2025 | Monthly Turbidity Exceed (Enhanced SWTR) | Interim Enhanced Surface Water Treatment Rule | Health-based | Resolved |
| July 1, 2025 – July 19, 2025 | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | — | Resolved |
| July 1, 2025 – July 31, 2025 | Monitoring, Routine (RTCR) | Revised Total Coliform Rule | — | Resolved |
| May 1, 2025 – May 31, 2025 | Monthly Turbidity Exceed (Enhanced SWTR) | Interim Enhanced Surface Water Treatment Rule | Health-based | Resolved |
| February 1, 2025 – February 28, 2025 | Monthly Turbidity Exceed (Enhanced SWTR) | Interim Enhanced Surface Water Treatment Rule | Health-based | Resolved |
| December 1, 2024 – December 31, 2024 | Monthly Turbidity Exceed (Enhanced SWTR) | Interim Enhanced Surface Water Treatment Rule | Health-based | Resolved |
| November 1, 2024 – November 30, 2024 | Monthly Turbidity Exceed (Enhanced SWTR) | Interim Enhanced Surface Water Treatment Rule | Health-based | Resolved |
| October 1, 2024 – October 31, 2024 | Monthly Turbidity Exceed (Enhanced SWTR) | Interim Enhanced Surface Water Treatment Rule | Health-based | Resolved |
| May 1, 2024 – May 31, 2024 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| May 1, 2024 – May 31, 2024 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| May 1, 2024 – May 31, 2024 | Monitoring, Turbidity (Enhanced SWTR) | Interim Enhanced Surface Water Treatment Rule | — | Resolved |
| April 1, 2024 – April 30, 2024 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| April 1, 2024 – April 30, 2024 | Monitoring, Turbidity (Enhanced SWTR) | Interim Enhanced Surface Water Treatment Rule | — | Resolved |
| April 1, 2024 – April 30, 2024 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| February 1, 2024 – February 29, 2024 | Monitoring, Turbidity (Enhanced SWTR) | Interim Enhanced Surface Water Treatment Rule | — | Resolved |
| February 1, 2024 – February 29, 2024 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| February 1, 2024 – February 29, 2024 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| January 1, 2024 – January 31, 2024 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| January 1, 2024 – December 31, 2024 | Monitoring and Reporting (DBP) | Total Haloacetic Acids (HAA5) | — | Resolved |
| January 1, 2024 – December 31, 2024 | Monitoring and Reporting (DBP) | TTHM | — | Resolved |
| January 1, 2024 – January 31, 2024 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| January 1, 2024 – January 31, 2024 | Monitoring, Turbidity (Enhanced SWTR) | Interim Enhanced Surface Water Treatment Rule | — | Resolved |
| December 17, 2023 – December 19, 2023 | Treatment Technique, Level 1 Assessment (RTCR) | Revised Total Coliform Rule | Health-based | Resolved |
| December 1, 2023 – December 31, 2023 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| December 1, 2023 – December 31, 2023 | Monitoring, Turbidity (Enhanced SWTR) | Interim Enhanced Surface Water Treatment Rule | — | Resolved |
| December 1, 2023 – December 31, 2023 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| November 1, 2023 – November 30, 2023 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| November 1, 2023 – November 30, 2023 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| November 1, 2023 – November 30, 2023 | Monitoring, Turbidity (Enhanced SWTR) | Interim Enhanced Surface Water Treatment Rule | — | Resolved |
| October 1, 2023 – October 31, 2023 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| October 1, 2023 – October 31, 2023 | Monitoring, Routine (RTCR) | Revised Total Coliform Rule | — | Resolved |
| October 1, 2023 – January 2, 2024 | Consumer Confidence Report Inadequate Reporting | Consumer Confidence Rule | — | Resolved |
| October 1, 2023 – October 31, 2023 | Monitoring, Turbidity (Enhanced SWTR) | Interim Enhanced Surface Water Treatment Rule | — | Resolved |
| October 1, 2023 – October 31, 2023 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| September 1, 2023 – September 30, 2023 | Monitoring, Turbidity (Enhanced SWTR) | Interim Enhanced Surface Water Treatment Rule | — | Resolved |
| September 1, 2023 – September 30, 2023 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| September 1, 2023 – September 30, 2023 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| September 1, 2023 – September 30, 2023 | Monitoring, Routine (RTCR) | Revised Total Coliform Rule | — | Resolved |
| August 1, 2023 – August 31, 2023 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| August 1, 2023 – August 31, 2023 | Monitoring, Turbidity (Enhanced SWTR) | Interim Enhanced Surface Water Treatment Rule | — | Resolved |
| August 1, 2023 – August 31, 2023 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| August 1, 2023 – August 31, 2023 | Monitoring, Routine (RTCR) | Revised Total Coliform Rule | — | Resolved |
| July 1, 2023 – July 31, 2023 | Monitoring, Routine (RTCR) | Revised Total Coliform Rule | — | Resolved |
| July 1, 2023 – July 31, 2023 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| July 1, 2023 – July 31, 2023 | Monitoring, Turbidity (Enhanced SWTR) | Interim Enhanced Surface Water Treatment Rule | — | Resolved |
| July 1, 2023 – July 31, 2023 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| July 1, 2023 – January 2, 2024 | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | — | Resolved |
| May 1, 2023 – May 31, 2023 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| May 1, 2023 – May 31, 2023 | Monitoring, Turbidity (Enhanced SWTR) | Interim Enhanced Surface Water Treatment Rule | — | Resolved |
| May 1, 2023 – May 31, 2023 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| April 1, 2023 – April 30, 2023 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| April 1, 2023 – April 30, 2023 | Monitoring, Turbidity (Enhanced SWTR) | Interim Enhanced Surface Water Treatment Rule | — | Resolved |
| April 1, 2023 – April 30, 2023 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| April 1, 2023 – April 30, 2023 | Monitoring, Routine (RTCR) | Revised Total Coliform Rule | — | Resolved |
| February 1, 2023 – February 28, 2023 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| February 1, 2023 – February 28, 2023 | Monitoring, Turbidity (Enhanced SWTR) | Interim Enhanced Surface Water Treatment Rule | — | Resolved |
| February 1, 2023 – February 28, 2023 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| February 1, 2023 – February 28, 2023 | Monitoring, Routine (RTCR) | Revised Total Coliform Rule | — | Resolved |
| November 1, 2022 – November 30, 2022 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| November 1, 2022 – November 30, 2022 | Monitoring, Turbidity (Enhanced SWTR) | Interim Enhanced Surface Water Treatment Rule | — | Resolved |
| November 1, 2022 – November 30, 2022 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| October 1, 2022 – October 31, 2022 | Monitoring, Turbidity (Enhanced SWTR) | Interim Enhanced Surface Water Treatment Rule | — | Resolved |
| October 1, 2022 – October 31, 2022 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| October 1, 2022 – October 31, 2022 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| September 16, 2022 – November 7, 2024 | Treatment Technique No Certif. Operator | Stage 1 Disinfectants and Disinfection Byproducts Rule | Health-based | Resolved |
| September 1, 2022 – September 30, 2022 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| September 1, 2022 – September 30, 2022 | Monitoring, Turbidity (Enhanced SWTR) | Interim Enhanced Surface Water Treatment Rule | — | Resolved |
| September 1, 2022 – September 30, 2022 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| September 1, 2022 – September 30, 2022 | Monitoring, Routine (RTCR) | Revised Total Coliform Rule | — | Resolved |
| August 1, 2022 – August 31, 2022 | Monitoring, Turbidity (Enhanced SWTR) | Interim Enhanced Surface Water Treatment Rule | — | Resolved |
| August 1, 2022 – August 31, 2022 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| August 1, 2022 – August 31, 2022 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| July 1, 2022 – July 31, 2022 | Monitoring, Turbidity (Enhanced SWTR) | Interim Enhanced Surface Water Treatment Rule | — | Resolved |
| July 1, 2022 – July 31, 2022 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| July 1, 2022 – July 31, 2022 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| July 1, 2022 – July 31, 2022 | Monitoring, Routine (RTCR) | Revised Total Coliform Rule | — | Resolved |
| June 1, 2022 – June 30, 2022 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| June 1, 2022 – June 30, 2022 | Monitoring, Turbidity (Enhanced SWTR) | Interim Enhanced Surface Water Treatment Rule | — | Resolved |
| June 1, 2022 – June 30, 2022 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| June 1, 2022 – June 30, 2022 | Monitoring, Routine (RTCR) | Revised Total Coliform Rule | — | Resolved |
| April 1, 2022 – April 30, 2022 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| April 1, 2022 – April 30, 2022 | Monitoring, Turbidity (Enhanced SWTR) | Interim Enhanced Surface Water Treatment Rule | — | Resolved |
| April 1, 2022 – April 30, 2022 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| April 1, 2022 – April 30, 2022 | Monitoring, Routine (RTCR) | Revised Total Coliform Rule | — | Resolved |
| March 1, 2022 – March 31, 2022 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| March 1, 2022 – March 31, 2022 | Monitoring, Turbidity (Enhanced SWTR) | Interim Enhanced Surface Water Treatment Rule | — | Resolved |
| March 1, 2022 – March 31, 2022 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| March 1, 2022 – March 31, 2022 | Monitoring, Routine (RTCR) | Revised Total Coliform Rule | — | Resolved |
| February 1, 2022 – February 28, 2022 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| February 1, 2022 – February 28, 2022 | Monitoring, Turbidity (Enhanced SWTR) | Interim Enhanced Surface Water Treatment Rule | — | Resolved |
| February 1, 2022 – February 28, 2022 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| February 1, 2022 – February 28, 2022 | Monitoring, Routine (RTCR) | Revised Total Coliform Rule | — | Resolved |
| January 1, 2022 – January 31, 2022 | Monitoring, Turbidity (Enhanced SWTR) | Interim Enhanced Surface Water Treatment Rule | — | Resolved |
| January 1, 2022 – January 31, 2022 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| January 1, 2022 – January 31, 2022 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| January 1, 2022 – January 31, 2022 | Monitoring, Routine (RTCR) | Revised Total Coliform Rule | — | Resolved |
| December 1, 2021 – December 31, 2021 | Monitoring, Turbidity (Enhanced SWTR) | Interim Enhanced Surface Water Treatment Rule | — | Resolved |
| December 1, 2021 – December 31, 2021 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| December 1, 2021 – December 31, 2021 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| November 1, 2021 – November 30, 2021 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| November 1, 2021 – November 30, 2021 | Monitoring, Turbidity (Enhanced SWTR) | Interim Enhanced Surface Water Treatment Rule | — | Resolved |
| November 1, 2021 – November 30, 2021 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| October 1, 2021 – June 20, 2022 | Follow-up Or Routine LCR Tap M/R | Lead and Copper Rule | — | Resolved |
| October 1, 2021 – October 31, 2021 | Monitoring, Turbidity (Enhanced SWTR) | Interim Enhanced Surface Water Treatment Rule | — | Resolved |
| October 1, 2021 – October 31, 2021 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| October 1, 2021 – October 31, 2021 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| October 1, 2021 – October 31, 2021 | Monitoring, Routine (RTCR) | Revised Total Coliform Rule | — | Resolved |
| September 1, 2021 – September 30, 2021 | Monitoring, Turbidity (Enhanced SWTR) | Interim Enhanced Surface Water Treatment Rule | — | Resolved |
| September 1, 2021 – September 30, 2021 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| September 1, 2021 – September 30, 2021 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| September 1, 2021 – September 30, 2021 | Monitoring, Routine (RTCR) | Revised Total Coliform Rule | — | Resolved |
| August 1, 2021 – August 31, 2021 | Monitoring, Turbidity (Enhanced SWTR) | Interim Enhanced Surface Water Treatment Rule | — | Resolved |
| August 1, 2021 – August 31, 2021 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| August 1, 2021 – August 31, 2021 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| July 1, 2021 – July 31, 2021 | Monitoring, Routine (RTCR) | Revised Total Coliform Rule | — | Resolved |
| June 1, 2021 – June 30, 2021 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| June 1, 2021 – June 30, 2021 | Monitoring, Turbidity (Enhanced SWTR) | Interim Enhanced Surface Water Treatment Rule | — | Resolved |
| June 1, 2021 – June 30, 2021 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| June 1, 2021 – June 30, 2021 | Monitoring, Routine (RTCR) | Revised Total Coliform Rule | — | Resolved |
| May 1, 2021 – May 31, 2021 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| May 1, 2021 – May 31, 2021 | Monitoring, Turbidity (Enhanced SWTR) | Interim Enhanced Surface Water Treatment Rule | — | Resolved |
| May 1, 2021 – May 31, 2021 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| April 1, 2021 – April 30, 2021 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| April 1, 2021 – April 30, 2021 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| April 1, 2021 – April 30, 2021 | Monitoring, Turbidity (Enhanced SWTR) | Interim Enhanced Surface Water Treatment Rule | — | Resolved |
| March 1, 2021 – March 31, 2021 | Monitoring, Routine (RTCR) | Revised Total Coliform Rule | — | Resolved |
| January 1, 2021 – December 31, 2021 | Monitoring, Regular | Benzene | — | Resolved |
| January 1, 2021 – January 31, 2021 | Monitoring, Routine (RTCR) | Revised Total Coliform Rule | — | Resolved |
| January 1, 2021 – January 31, 2021 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| January 1, 2021 – January 31, 2021 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| January 1, 2021 – January 31, 2021 | Monitoring, Turbidity (Enhanced SWTR) | Interim Enhanced Surface Water Treatment Rule | — | Resolved |
| January 1, 2021 – December 31, 2021 | Monitoring, Regular | Nitrate | — | Resolved |
| January 1, 2021 – December 31, 2021 | Monitoring, Regular | 1,2,4-Trichlorobenzene | — | Resolved |
| January 1, 2021 – December 31, 2021 | Monitoring, Regular | cis-1,2-Dichloroethylene | — | Resolved |
| January 1, 2021 – December 31, 2021 | Monitoring, Regular | Xylenes, Total | — | Resolved |
| January 1, 2021 – December 31, 2021 | Monitoring, Regular | DICHLOROMETHANE | — | Resolved |
| January 1, 2021 – December 31, 2021 | Monitoring, Regular | o-Dichlorobenzene | — | Resolved |
| January 1, 2021 – December 31, 2021 | Monitoring, Regular | p-Dichlorobenzene | — | Resolved |
| January 1, 2021 – December 31, 2021 | Monitoring, Regular | Vinyl chloride | — | Resolved |
| January 1, 2021 – December 31, 2021 | Monitoring, Regular | 1,1-Dichloroethylene | — | Resolved |
| January 1, 2021 – December 31, 2021 | Monitoring, Regular | trans-1,2-Dichloroethylene | — | Resolved |
| January 1, 2021 – December 31, 2021 | Monitoring, Regular | 1,2-Dichloroethane | — | Resolved |
| January 1, 2021 – December 31, 2021 | Monitoring, Regular | 1,1,1-Trichloroethane | — | Resolved |
| January 1, 2021 – December 31, 2021 | Monitoring, Regular | Carbon tetrachloride | — | Resolved |
| January 1, 2021 – December 31, 2021 | Monitoring, Regular | 1,2-Dichloropropane | — | Resolved |
| January 1, 2021 – December 31, 2021 | Monitoring, Regular | Trichloroethylene | — | Resolved |
| January 1, 2021 – December 31, 2021 | Monitoring, Regular | 1,1,2-Trichloroethane | — | Resolved |
| January 1, 2021 – December 31, 2021 | Monitoring, Regular | Tetrachloroethylene | — | Resolved |
| January 1, 2021 – December 31, 2021 | Monitoring, Regular | CHLOROBENZENE | — | Resolved |
| January 1, 2021 – December 31, 2021 | Monitoring, Regular | Toluene | — | Resolved |
| January 1, 2021 – December 31, 2021 | Monitoring, Regular | Ethylbenzene | — | Resolved |
| January 1, 2021 – December 31, 2021 | Monitoring, Regular | Styrene | — | Resolved |
| January 1, 2021 – December 31, 2021 | Monitoring and Reporting (DBP) | TTHM | — | Resolved |
| January 1, 2021 – December 31, 2021 | Monitoring and Reporting (DBP) | Total Haloacetic Acids (HAA5) | — | Resolved |
| December 23, 2020 – January 27, 2021 | Public Notification Violation for NPDWR Violation | Public Notice | — | Resolved |
| December 1, 2020 – December 31, 2020 | Monitoring, Turbidity (Enhanced SWTR) | Interim Enhanced Surface Water Treatment Rule | — | Resolved |
| December 1, 2020 – December 31, 2020 | Maximum Contaminant Level Violation, E. coli (RTCR) | Revised Total Coliform Rule | Health-based | Resolved |
| December 1, 2020 – December 31, 2020 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| December 1, 2020 – December 31, 2020 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| December 1, 2020 – December 31, 2020 | Treatment Technique (SWTR and GWR) | Surface Water Treatment Rule | Health-based | Resolved |
| November 1, 2020 – November 30, 2020 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| November 1, 2020 – November 30, 2020 | Monitoring, Routine (RTCR) | Revised Total Coliform Rule | — | Resolved |
| November 1, 2020 – November 30, 2020 | Monitoring, Turbidity (Enhanced SWTR) | Interim Enhanced Surface Water Treatment Rule | — | Resolved |
| November 1, 2020 – November 30, 2020 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| October 1, 2020 – October 31, 2020 | Monitoring, Routine (RTCR) | Revised Total Coliform Rule | — | Resolved |
| October 1, 2020 – October 31, 2020 | Monitoring, Turbidity (Enhanced SWTR) | Interim Enhanced Surface Water Treatment Rule | — | Resolved |
| October 1, 2020 – October 31, 2020 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| October 1, 2020 – October 31, 2020 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| September 1, 2020 – September 30, 2020 | Monitoring, Turbidity (Enhanced SWTR) | Interim Enhanced Surface Water Treatment Rule | — | Resolved |
| September 1, 2020 – September 30, 2020 | Monitoring, Routine (RTCR) | Revised Total Coliform Rule | — | Resolved |
| September 1, 2020 – September 30, 2020 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| September 1, 2020 – September 30, 2020 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| August 1, 2020 – August 31, 2020 | Monitoring, Turbidity (Enhanced SWTR) | Interim Enhanced Surface Water Treatment Rule | — | Resolved |
| August 1, 2020 – August 31, 2020 | Monitoring, Routine (RTCR) | Revised Total Coliform Rule | — | Resolved |
| August 1, 2020 – August 31, 2020 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| August 1, 2020 – August 31, 2020 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| July 1, 2020 – July 31, 2020 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| July 1, 2020 – July 31, 2020 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| July 1, 2020 – July 31, 2020 | Monitoring, Turbidity (Enhanced SWTR) | Interim Enhanced Surface Water Treatment Rule | — | Resolved |
| July 1, 2020 – July 31, 2020 | Monitoring, Routine (RTCR) | Revised Total Coliform Rule | — | Resolved |
| June 1, 2020 – June 30, 2020 | Monitoring, Turbidity (Enhanced SWTR) | Interim Enhanced Surface Water Treatment Rule | — | Resolved |
| June 1, 2020 – June 30, 2020 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| June 1, 2020 – June 30, 2020 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| May 1, 2020 – May 31, 2020 | Monitoring, Turbidity (Enhanced SWTR) | Interim Enhanced Surface Water Treatment Rule | — | Resolved |
| May 1, 2020 – May 31, 2020 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| May 1, 2020 – May 31, 2020 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| May 1, 2020 – May 31, 2020 | Monitoring, Routine (RTCR) | Revised Total Coliform Rule | — | Resolved |
| April 1, 2020 – April 30, 2020 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| April 1, 2020 – April 30, 2020 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| April 1, 2020 – April 30, 2020 | Monitoring, Turbidity (Enhanced SWTR) | Interim Enhanced Surface Water Treatment Rule | — | Resolved |
| April 1, 2020 – April 30, 2020 | Monitoring, Routine (RTCR) | Revised Total Coliform Rule | — | Resolved |
| January 1, 2020 – December 31, 2020 | Monitoring, Regular | DICHLOROMETHANE | — | Resolved |
| January 1, 2020 – December 31, 2020 | Monitoring, Regular | cis-1,2-Dichloroethylene | — | Resolved |
| January 1, 2020 – December 31, 2020 | Monitoring, Regular | 1,2,4-Trichlorobenzene | — | Resolved |
| January 1, 2020 – December 31, 2020 | Monitoring, Regular | p-Dichlorobenzene | — | Resolved |
| January 1, 2020 – December 31, 2020 | Monitoring, Regular | Vinyl chloride | — | Resolved |
| January 1, 2020 – December 31, 2020 | Monitoring, Regular | 1,1-Dichloroethylene | — | Resolved |
| January 1, 2020 – December 31, 2020 | Monitoring, Regular | trans-1,2-Dichloroethylene | — | Resolved |
| January 1, 2020 – December 31, 2020 | Monitoring, Regular | 1,2-Dichloroethane | — | Resolved |
| January 1, 2020 – December 31, 2020 | Monitoring, Regular | 1,1,1-Trichloroethane | — | Resolved |
| January 1, 2020 – December 31, 2020 | Monitoring, Regular | Carbon tetrachloride | — | Resolved |
| January 1, 2020 – December 31, 2020 | Monitoring, Regular | 1,2-Dichloropropane | — | Resolved |
| January 1, 2020 – December 31, 2020 | Monitoring, Regular | Trichloroethylene | — | Resolved |
| January 1, 2020 – December 31, 2020 | Monitoring, Regular | 1,1,2-Trichloroethane | — | Resolved |
| January 1, 2020 – December 31, 2020 | Monitoring, Regular | Tetrachloroethylene | — | Resolved |
| January 1, 2020 – December 31, 2020 | Monitoring, Regular | CHLOROBENZENE | — | Resolved |
| January 1, 2020 – December 31, 2020 | Monitoring, Regular | Benzene | — | Resolved |
| January 1, 2020 – December 31, 2020 | Monitoring, Regular | Toluene | — | Resolved |
| January 1, 2020 – December 31, 2020 | Monitoring, Regular | Ethylbenzene | — | Resolved |
| January 1, 2020 – December 31, 2020 | Monitoring, Regular | Styrene | — | Resolved |
| January 1, 2020 – December 31, 2020 | Monitoring, Regular | o-Dichlorobenzene | — | Resolved |
| January 1, 2020 – December 31, 2020 | Monitoring, Regular | Xylenes, Total | — | Resolved |
| November 1, 2019 – October 31, 2020 | Monitoring and Reporting (DBP) | Total Haloacetic Acids (HAA5) | — | Resolved |
| November 1, 2019 – October 31, 2020 | Monitoring and Reporting (DBP) | TTHM | — | Resolved |
| January 1, 2019 – October 31, 2019 | Monitoring and Reporting (DBP) | Total Haloacetic Acids (HAA5) | — | Resolved |
| January 1, 2019 – October 31, 2019 | Monitoring and Reporting (DBP) | TTHM | — | Resolved |
| October 1, 2017 – December 31, 2017 | Monitoring and Reporting (DBP) | TTHM | — | Resolved |
| April 1, 2017 – June 30, 2017 | Monitoring and Reporting (DBP) | Total Haloacetic Acids (HAA5) | — | Resolved |
| April 1, 2017 – June 30, 2017 | Monitoring and Reporting (DBP) | TTHM | — | Resolved |
| January 1, 2017 – December 31, 2025 | Monitoring, Regular | Combined Uranium | — | Archived |
| January 1, 2017 – December 31, 2025 | Monitoring, Regular | Gross Alpha, Excl. Radon and U | — | Archived |
| January 1, 2017 – December 31, 2025 | Monitoring, Regular | Combined Radium (-226 and -228) | — | Archived |
| November 1, 2016 – November 30, 2016 | Single Turbidity Exceed (Enhanced SWTR) | Interim Enhanced Surface Water Treatment Rule | Health-based | Resolved |
| January 1, 2016 – January 31, 2016 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| January 1, 2016 – January 31, 2016 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| January 1, 2016 – January 31, 2016 | Monitoring, Turbidity (Enhanced SWTR) | Interim Enhanced Surface Water Treatment Rule | — | Resolved |
| December 1, 2015 – December 31, 2015 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| December 1, 2015 – December 31, 2015 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| December 1, 2015 – December 31, 2015 | Monitoring, Turbidity (Enhanced SWTR) | Interim Enhanced Surface Water Treatment Rule | — | Resolved |
| December 1, 2015 – December 31, 2015 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Resolved |
| November 1, 2015 – November 30, 2015 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Resolved |
| October 1, 2015 – October 31, 2015 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Resolved |
| August 1, 2015 – August 31, 2015 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Resolved |
| December 26, 2014 – December 16, 2014 | Public Notification Violation for NPDWR Violation | Public Notice | — | Resolved |
| December 26, 2014 – December 16, 2014 | Public Notification Violation for NPDWR Violation | Public Notice | — | Resolved |
| November 1, 2014 – November 30, 2014 | Monthly Turbidity Exceed (Enhanced SWTR) | Interim Enhanced Surface Water Treatment Rule | Health-based | Resolved |
| October 1, 2014 – October 31, 2014 | Single Turbidity Exceed (Enhanced SWTR) | Interim Enhanced Surface Water Treatment Rule | Health-based | Resolved |
| October 1, 2014 – October 31, 2014 | Monthly Turbidity Exceed (Enhanced SWTR) | Interim Enhanced Surface Water Treatment Rule | Health-based | Resolved |
| September 1, 2014 – September 30, 2014 | Monthly Turbidity Exceed (Enhanced SWTR) | Interim Enhanced Surface Water Treatment Rule | Health-based | Resolved |
| September 1, 2014 – September 30, 2014 | Single Turbidity Exceed (Enhanced SWTR) | Interim Enhanced Surface Water Treatment Rule | Health-based | Resolved |
| September 1, 2013 – September 30, 2013 | Monthly Turbidity Exceed (Enhanced SWTR) | Interim Enhanced Surface Water Treatment Rule | Health-based | Resolved |
| July 1, 2013 – July 31, 2013 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Resolved |
| January 1, 2012 – December 31, 2012 | Monitoring and Reporting (DBP) | TTHM | — | Resolved |
| January 1, 2012 – December 31, 2012 | Monitoring and Reporting (DBP) | Total Haloacetic Acids (HAA5) | — | Resolved |
| November 1, 2011 – November 30, 2011 | Treatment Technique (SWTR and GWR) | Surface Water Treatment Rule | Health-based | Resolved |
| September 1, 2011 – September 30, 2011 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| August 1, 2011 – August 31, 2011 | Monitoring, Turbidity (Enhanced SWTR) | Interim Enhanced Surface Water Treatment Rule | — | Resolved |
| August 1, 2011 – August 31, 2011 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| March 1, 2011 – March 31, 2011 | Treatment Technique (SWTR and GWR) | Surface Water Treatment Rule | Health-based | Resolved |
| March 1, 2011 – March 31, 2011 | Treatment Technique (SWTR and GWR) | Surface Water Treatment Rule | Health-based | Resolved |
| January 1, 2011 – July 12, 2012 | Treatment Technique No Certif. Operator | Stage 1 Disinfectants and Disinfection Byproducts Rule | Health-based | Resolved |
| December 1, 2010 – December 31, 2010 | Treatment Technique (SWTR and GWR) | Surface Water Treatment Rule | Health-based | Resolved |
| December 1, 2010 – December 31, 2010 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| January 1, 2009 – December 31, 2009 | Monitoring, Regular | Tetrachloroethylene | — | Resolved |
| January 1, 2009 – December 31, 2009 | Monitoring, Regular | Nitrate | — | Resolved |
| January 1, 2009 – January 31, 2009 | Monitoring and Reporting (DBP) | Total Haloacetic Acids (HAA5) | — | Resolved |
| January 1, 2009 – December 31, 2009 | Monitoring, Regular | Styrene | — | Resolved |
| January 1, 2009 – December 31, 2009 | Monitoring, Regular | Ethylbenzene | — | Resolved |
| January 1, 2009 – December 31, 2009 | Monitoring, Regular | Toluene | — | Resolved |
| January 1, 2009 – December 31, 2009 | Monitoring, Regular | Benzene | — | Resolved |
| January 1, 2009 – December 31, 2009 | Monitoring, Regular | CHLOROBENZENE | — | Resolved |
| January 1, 2009 – December 31, 2009 | Monitoring, Regular | cis-1,2-Dichloroethylene | — | Resolved |
| January 1, 2009 – December 31, 2009 | Monitoring, Regular | Xylenes, Total | — | Resolved |
| January 1, 2009 – December 31, 2009 | Monitoring, Regular | DICHLOROMETHANE | — | Resolved |
| January 1, 2009 – December 31, 2009 | Monitoring, Regular | o-Dichlorobenzene | — | Resolved |
| January 1, 2009 – December 31, 2009 | Monitoring, Regular | p-Dichlorobenzene | — | Resolved |
| January 1, 2009 – December 31, 2009 | Monitoring, Regular | Vinyl chloride | — | Resolved |
| January 1, 2009 – December 31, 2009 | Monitoring, Regular | trans-1,2-Dichloroethylene | — | Resolved |
| January 1, 2009 – December 31, 2009 | Monitoring, Regular | 1,2-Dichloroethane | — | Resolved |
| January 1, 2009 – December 31, 2009 | Monitoring, Regular | 1,1,1-Trichloroethane | — | Resolved |
| January 1, 2009 – December 31, 2009 | Monitoring, Regular | 1,2-Dichloropropane | — | Resolved |
| January 1, 2009 – December 31, 2009 | Monitoring, Regular | Trichloroethylene | — | Resolved |
| January 1, 2009 – December 31, 2009 | Monitoring, Regular | 1,1,2-Trichloroethane | — | Resolved |
| June 1, 1998 – June 30, 1998 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Resolved |
| June 1, 1998 – June 30, 1998 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| June 1, 1996 – June 30, 1996 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Resolved |
| May 1, 1996 – May 31, 1996 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| April 1, 1996 – April 30, 1996 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| April 1, 1996 – April 30, 1996 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Resolved |
| March 1, 1996 – March 31, 1996 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Resolved |
| January 1, 1996 – December 31, 1996 | Monitoring, Regular | Nitrate | — | Resolved |
| September 1, 1993 – September 30, 1993 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Resolved |
| July 1, 1993 – July 31, 1993 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Resolved |
| October 1, 1992 – October 31, 1992 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Archived |
| October 1, 1992 – October 31, 1992 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Resolved |
| June 24, 1979 – June 23, 1980 | Monitoring, Regular | Cadmium | — | Archived |
| June 24, 1979 – June 23, 1980 | Monitoring, Regular | Chromium | — | Archived |
| June 24, 1979 – June 23, 1980 | Monitoring, Regular | Selenium | — | Archived |
| June 24, 1979 – June 23, 1980 | Monitoring, Regular | Fluoride | — | Archived |
| June 24, 1979 – June 23, 1980 | Monitoring, Regular | Mercury | — | Archived |
| June 24, 1979 – June 23, 1980 | Monitoring, Regular | Nitrate | — | Archived |
| June 24, 1979 – June 23, 1980 | Monitoring, Regular | Arsenic | — | Archived |
| June 24, 1979 – June 23, 1980 | Monitoring, Regular | Barium | — | Archived |
| June 1, 1976 – May 31, 1980 | Monitoring, Regular | Combined Radium (-226 and -228) | — | Archived |
| June 1, 1976 – May 31, 1980 | Monitoring, Regular | Gross Alpha, Excl. Radon and U | — | Archived |
Archived closed in EPA's records (typically due to age or a data correction)Unaddressed no corrective action on record yetResolved addressed and confirmed by the state
Enforcement actions
No enforcement actions on record for this system.
Common questions
Is MIDLAND WATER ASSOCIATION required to publish a Consumer Confidence Report?
- Yes. MIDLAND WATER ASSOCIATION is a community water system, and federal rules (40 CFR 141 Subpart O) require every community water system to publish a Consumer Confidence Report each year.
When is MIDLAND WATER ASSOCIATION’s next Consumer Confidence Report due?
- MIDLAND WATER ASSOCIATION’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does MIDLAND WATER ASSOCIATION have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show 1 item for MIDLAND WATER ASSOCIATION that is open and awaiting resolution. None are health-based violations — open items of this kind are most often monitoring or reporting requirements, not water-safety findings.
What is a Consumer Confidence Report?
- A Consumer Confidence Report (CCR) is the annual drinking water quality report that community water systems must provide to the people they serve. It lists the contaminants detected in the system’s water during the year, where the water comes from, and how the results compare with federal limits. EPA’s revised CCR rule takes effect January 1, 2027, and the first reports in the new format are due July 1, 2027.
Contact
MIDLAND WATER ASSOCIATION
503-709-7801
CLATSKANIE, OR 97016