SANDY, OR · Clackamas County
WELCHES WATER COMPANY Water System
Consumer Confidence Report status
WELCHES WATER COMPANY 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 no open violations for WELCHES WATER COMPANY.
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)
- OR4100937
- System type
- Community Water System
- Population served
- 60
- Service connections
- 118
- Ownership
- local government
- Water source
- groundwater (wells)
WELCHES WATER COMPANY is one of 1,168 community water systems in Oregon in the 500 or fewer people size category, serving 60 people from groundwater.
As of August 1, 2026, its federal record holds 151 entries between 1976 and 2026, all of which EPA lists as closed.
Of the 151, 137 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 synthetic organic chemicals, volatile organic chemicals, and the Total Coliform Rules.
Violation history
Monitoring, Routine (RTCR)
—Revised Total Coliform Rule
January 1, 2026 – January 31, 2026
ResolvedConsumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2025 – July 29, 2025
ResolvedMonitoring, Regular
—Nitrate
January 1, 2025 – December 31, 2025
ArchivedConsumer Confidence Report Inadequate Reporting
—Consumer Confidence Rule
October 1, 2024 – January 28, 2025
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
ResolvedFailure to Conduct Assessment Monitoring
—COLIPHAGE
January 1, 2024 – December 31, 2024
ResolvedMonitoring, Source Water (GWR)
—E. COLI
April 4, 2023 – April 10, 2023
ResolvedMonitoring, Regular
—1,2-Dichloroethane
January 1, 2023 – December 31, 2025
ArchivedMonitoring, Regular
—trans-1,2-Dichloroethylene
January 1, 2023 – December 31, 2025
ArchivedMonitoring, Regular
—Vinyl chloride
January 1, 2023 – December 31, 2025
ArchivedMonitoring, Regular
—p-Dichlorobenzene
January 1, 2023 – December 31, 2025
ArchivedMonitoring, Regular
—o-Dichlorobenzene
January 1, 2023 – December 31, 2025
ArchivedMonitoring, Regular
—DICHLOROMETHANE
January 1, 2023 – December 31, 2025
ArchivedMonitoring, Regular
—Xylenes, Total
January 1, 2023 – December 31, 2025
ArchivedMonitoring, Regular
—cis-1,2-Dichloroethylene
January 1, 2023 – December 31, 2025
ArchivedMonitoring, Regular
—1,2,4-Trichlorobenzene
January 1, 2023 – December 31, 2025
ArchivedMonitoring, Regular
—Chlordane
January 1, 2023 – December 31, 2025
ArchivedMonitoring, Regular
—ETHYLENE DIBROMIDE
January 1, 2023 – December 31, 2025
ArchivedMonitoring, Regular
—1,2-DIBROMO-3-CHLOROPROPANE
January 1, 2023 – December 31, 2025
ArchivedMonitoring, Regular
—Total Polychlorinated Biphenyls (PCB)
January 1, 2023 – December 31, 2025
ArchivedMonitoring, Regular
—Pentachlorophenol
January 1, 2023 – December 31, 2025
ArchivedMonitoring, Regular
—Benzo(a)pyrene
January 1, 2023 – December 31, 2025
ArchivedMonitoring, Regular
—2,4-D
January 1, 2023 – December 31, 2025
ArchivedMonitoring, Regular
—Heptachlor epoxide
January 1, 2023 – December 31, 2025
ArchivedMonitoring, Regular
—Atrazine
January 1, 2023 – December 31, 2025
ArchivedMonitoring, Regular
—Hexachlorocyclopentadiene
January 1, 2023 – December 31, 2025
ArchivedMonitoring, Regular
—Dinoseb
January 1, 2023 – December 31, 2025
ArchivedMonitoring, Regular
—Picloram
January 1, 2023 – December 31, 2025
ArchivedMonitoring, Regular
—Simazine
January 1, 2023 – December 31, 2025
ArchivedMonitoring, Regular
—Diquat
January 1, 2023 – December 31, 2025
ArchivedMonitoring, Regular
—Dalapon
January 1, 2023 – December 31, 2025
ArchivedMonitoring, Regular
—Toxaphene
January 1, 2023 – December 31, 2025
ArchivedMonitoring, Regular
—Methoxychlor
January 1, 2023 – December 31, 2025
ArchivedMonitoring, Regular
—Endrin
January 1, 2023 – December 31, 2025
ArchivedMonitoring, Regular
—OXAMYL
January 1, 2023 – December 31, 2025
ArchivedMonitoring, Regular
—Styrene
January 1, 2023 – December 31, 2025
ArchivedMonitoring, Regular
—Ethylbenzene
January 1, 2023 – December 31, 2025
ArchivedMonitoring, Regular
—Benzene
January 1, 2023 – December 31, 2025
ArchivedMonitoring, Regular
—Tetrachloroethylene
January 1, 2023 – December 31, 2025
ArchivedMonitoring, Regular
—1,1,2-Trichloroethane
January 1, 2023 – December 31, 2025
ArchivedMonitoring, Regular
—Trichloroethylene
January 1, 2023 – December 31, 2025
ArchivedMonitoring, Regular
—Carbon tetrachloride
January 1, 2023 – December 31, 2025
ArchivedMonitoring, Regular
—Nitrate
January 1, 2022 – December 31, 2022
ResolvedMonitoring and Reporting (DBP)
—TTHM
October 1, 2021 – September 30, 2022
ResolvedFailure to Conduct Assessment Monitoring
—COLIPHAGE
January 1, 2021 – December 31, 2021
ResolvedFailure to Conduct Assessment Monitoring
—COLIPHAGE
January 1, 2021 – December 31, 2021
ResolvedMonitoring, Routine (RTCR)
—Revised Total Coliform Rule
September 1, 2020 – September 30, 2020
ResolvedFollow-up Or Routine LCR Tap M/R
—Lead and Copper Rule
July 1, 2020 – August 12, 2020
ResolvedMonitoring, Routine (RTCR)
—Revised Total Coliform Rule
April 1, 2020 – April 30, 2020
ResolvedMonitoring, Regular
—Picloram
January 1, 2020 – December 31, 2022
ArchivedFollow-up Or Routine LCR Tap M/R
—Lead and Copper Rule
January 1, 2020 – August 12, 2020
ResolvedFailure to Conduct Assessment Monitoring
—COLIPHAGE
January 1, 2020 – December 31, 2020
ResolvedFailure to Conduct Assessment Monitoring
—COLIPHAGE
January 1, 2020 – December 31, 2020
ResolvedMonitoring and Reporting (DBP)
—TTHM
January 1, 2020 – December 31, 2020
ResolvedMonitoring, Regular
—1,2,4-Trichlorobenzene
January 1, 2020 – December 31, 2022
ArchivedMonitoring, Regular
—Xylenes, Total
January 1, 2020 – December 31, 2022
ArchivedMonitoring, Regular
—o-Dichlorobenzene
January 1, 2020 – December 31, 2022
ArchivedMonitoring, Regular
—Vinyl chloride
January 1, 2020 – December 31, 2022
ArchivedMonitoring, Regular
—trans-1,2-Dichloroethylene
January 1, 2020 – December 31, 2022
ArchivedMonitoring, Regular
—1,2-Dichloroethane
January 1, 2020 – December 31, 2022
ArchivedMonitoring, Regular
—Trichloroethylene
January 1, 2020 – December 31, 2022
ArchivedMonitoring, Regular
—Tetrachloroethylene
January 1, 2020 – December 31, 2022
ArchivedMonitoring, Regular
—CHLOROBENZENE
January 1, 2020 – December 31, 2022
ArchivedMonitoring, Regular
—Toluene
January 1, 2020 – December 31, 2022
ArchivedMonitoring, Regular
—Styrene
January 1, 2020 – December 31, 2022
ArchivedMonitoring, Regular
—BHC-GAMMA
January 1, 2020 – December 31, 2022
ArchivedMonitoring, Regular
—Toxaphene
January 1, 2020 – December 31, 2022
ArchivedMonitoring, Regular
—Dalapon
January 1, 2020 – December 31, 2022
ArchivedMonitoring, Regular
—Diquat
January 1, 2020 – December 31, 2022
ArchivedMonitoring, Regular
—Endothall
January 1, 2020 – December 31, 2022
ArchivedMonitoring, Regular
—Glyphosate
January 1, 2020 – December 31, 2022
ArchivedMonitoring, Regular
—Di(2-ethylhexyl) adipate
January 1, 2020 – December 31, 2022
ArchivedMonitoring, Regular
—OXAMYL
January 1, 2020 – December 31, 2022
ArchivedMonitoring, Regular
—Dinoseb
January 1, 2020 – December 31, 2022
ArchivedMonitoring, Regular
—Carbofuran
January 1, 2020 – December 31, 2022
ArchivedMonitoring, Regular
—LASSO
January 1, 2020 – December 31, 2022
ArchivedMonitoring, Regular
—Heptachlor epoxide
January 1, 2020 – December 31, 2022
ArchivedMonitoring, Regular
—Benzo(a)pyrene
January 1, 2020 – December 31, 2022
ArchivedMonitoring, Regular
—Pentachlorophenol
January 1, 2020 – December 31, 2022
ArchivedMonitoring, Regular
—Total Polychlorinated Biphenyls (PCB)
January 1, 2020 – December 31, 2022
ArchivedFollow-up Or Routine LCR Tap M/R
—Lead and Copper Rule
July 1, 2019 – August 12, 2020
ResolvedPublic Notification Violation for NPDWR Violation
—Public Notice
May 17, 2018 – August 12, 2020
ResolvedOCCT/SOWT Treatment Installation/Demonstration
Health-basedLead and Copper Rule
April 1, 2018 – December 26, 2018
ResolvedFollow-up Or Routine LCR Tap M/R
—Lead and Copper Rule
July 1, 2017 – October 4, 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
ArchivedPublic Education
Health-basedLead and Copper Rule
December 11, 2016 – March 9, 2017
ResolvedPublic Notification Violation for NPDWR Violation
—Public Notice
April 18, 2016 – April 6, 2016
ResolvedPublic Notification Violation for NPDWR Violation
—Public Notice
December 26, 2014 – December 12, 2014
ResolvedPublic Notification Violation for NPDWR Violation
—Public Notice
October 24, 2014 – December 12, 2014
ResolvedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
September 1, 2014 – September 30, 2014
ResolvedMonitoring, Source Water (GWR)
—E. COLI
July 23, 2014 – December 12, 2014
ResolvedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
July 1, 2014 – July 31, 2014
ResolvedMonitoring, Source Water (GWR)
—E. COLI
January 2, 2014 – December 12, 2014
ResolvedMonitoring, Source Water (GWR)
—E. COLI
November 20, 2013 – December 12, 2014
ResolvedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
October 1, 2013 – October 31, 2013
ResolvedMonitoring, Source Water (GWR)
—E. COLI
March 15, 2013 – April 15, 2013
ResolvedMonitoring, Repeat Major (TCR)
—Coliform (TCR)
February 1, 2013 – February 28, 2013
ResolvedMonitoring, Source Water (GWR)
—E. COLI
January 23, 2013 – April 15, 2013
ResolvedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
January 1, 2013 – January 31, 2013
ResolvedFollow-up Or Routine LCR Tap M/R
—Lead and Copper Rule
January 1, 2013 – September 30, 2013
ResolvedMonitoring, Regular
—Nitrate
January 1, 2011 – December 31, 2011
ResolvedConsumer Confidence Report Inadequate Reporting
—Consumer Confidence Rule
October 19, 2002 – March 11, 2003
ResolvedMonitoring, Regular
—Glyphosate
January 1, 2002 – December 31, 2004
ResolvedMonitoring, Regular
—Carbon tetrachloride
January 1, 2002 – December 31, 2004
ResolvedMonitoring, Regular
—Diquat
January 1, 2002 – December 31, 2004
ResolvedMonitoring, Regular
—Dalapon
January 1, 2002 – December 31, 2004
ResolvedMonitoring, Regular
—Toxaphene
January 1, 2002 – December 31, 2004
ResolvedMonitoring, Regular
—Methoxychlor
January 1, 2002 – December 31, 2004
ResolvedMonitoring, Regular
—BHC-GAMMA
January 1, 2002 – December 31, 2004
ResolvedMonitoring, Regular
—Endothall
January 1, 2002 – December 31, 2004
ResolvedMonitoring, Regular
—1,2-Dichloroethane
January 1, 2002 – December 31, 2004
ResolvedMonitoring, Regular
—trans-1,2-Dichloroethylene
January 1, 2002 – December 31, 2004
ResolvedMonitoring, Regular
—1,1-Dichloroethylene
January 1, 2002 – December 31, 2004
ResolvedMonitoring, Regular
—Vinyl chloride
January 1, 2002 – December 31, 2004
ResolvedMonitoring, Regular
—p-Dichlorobenzene
January 1, 2002 – December 31, 2004
ResolvedMonitoring, Regular
—o-Dichlorobenzene
January 1, 2002 – December 31, 2004
ResolvedMonitoring, Regular
—DICHLOROMETHANE
January 1, 2002 – December 31, 2004
ResolvedMonitoring, Regular
—Xylenes, Total
January 1, 2002 – December 31, 2004
ResolvedMonitoring, Regular
—cis-1,2-Dichloroethylene
January 1, 2002 – December 31, 2004
ResolvedMonitoring, Regular
—1,2,4-Trichlorobenzene
January 1, 2002 – December 31, 2004
ResolvedMonitoring, Regular
—Pentachlorophenol
January 1, 2002 – December 31, 2004
ResolvedMonitoring, Regular
—Benzo(a)pyrene
January 1, 2002 – December 31, 2004
ResolvedMonitoring, Regular
—HEXACHLOROBENZENE
January 1, 2002 – December 31, 2004
ResolvedMonitoring, Regular
—2,4-D
January 1, 2002 – December 31, 2004
ResolvedMonitoring, Regular
—Heptachlor epoxide
January 1, 2002 – December 31, 2004
ResolvedMonitoring, Regular
—Heptachlor
January 1, 2002 – December 31, 2004
ResolvedMonitoring, Regular
—LASSO
January 1, 2002 – December 31, 2004
ResolvedMonitoring, Regular
—Atrazine
January 1, 2002 – December 31, 2004
ResolvedMonitoring, Regular
—Hexachlorocyclopentadiene
January 1, 2002 – December 31, 2004
ResolvedMonitoring, Regular
—Dinoseb
January 1, 2002 – December 31, 2004
ResolvedMonitoring, Regular
—Picloram
January 1, 2002 – December 31, 2004
ResolvedMonitoring, Regular
—Simazine
January 1, 2002 – December 31, 2004
ResolvedMonitoring, Regular
—Di(2-ethylhexyl) adipate
January 1, 2002 – December 31, 2004
ResolvedMonitoring, Regular
—CHLOROBENZENE
January 1, 2002 – December 31, 2004
ResolvedMonitoring, Regular
—Tetrachloroethylene
January 1, 2002 – December 31, 2004
ResolvedMonitoring, Regular
—1,1,2-Trichloroethane
January 1, 2002 – December 31, 2004
ResolvedMonitoring, Regular
—Trichloroethylene
January 1, 2002 – December 31, 2004
ResolvedMonitoring, Regular
—1,2-Dichloropropane
January 1, 2002 – December 31, 2004
ResolvedMonitoring, Regular
—Endrin
January 1, 2002 – December 31, 2004
ResolvedMonitoring, Regular
—Styrene
January 1, 2002 – December 31, 2004
ResolvedMonitoring, Regular
—Ethylbenzene
January 1, 2002 – December 31, 2004
ResolvedMonitoring, Regular
—Toluene
January 1, 2002 – December 31, 2004
ResolvedMonitoring, Regular
—Benzene
January 1, 2002 – December 31, 2004
ResolvedMonitoring, Routine Minor (TCR)
—Coliform (TCR)
November 1, 1992 – November 30, 1992
ResolvedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
October 1, 1991 – October 31, 1991
ArchivedMonitoring, Repeat Minor (TCR)
—Coliform (TCR)
February 1, 1991 – February 28, 1991
ResolvedMonitoring, 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
Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| January 1, 2026 – January 31, 2026 | Monitoring, Routine (RTCR) | Revised Total Coliform Rule | — | Resolved |
| July 1, 2025 – July 29, 2025 | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | — | Resolved |
| January 1, 2025 – December 31, 2025 | Monitoring, Regular | Nitrate | — | Archived |
| October 1, 2024 – January 28, 2025 | Consumer Confidence Report Inadequate Reporting | Consumer Confidence 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 – December 31, 2024 | Failure to Conduct Assessment Monitoring | COLIPHAGE | — | Resolved |
| April 4, 2023 – April 10, 2023 | Monitoring, Source Water (GWR) | E. COLI | — | Resolved |
| January 1, 2023 – December 31, 2025 | Monitoring, Regular | 1,2-Dichloroethane | — | Archived |
| January 1, 2023 – December 31, 2025 | Monitoring, Regular | trans-1,2-Dichloroethylene | — | Archived |
| January 1, 2023 – December 31, 2025 | Monitoring, Regular | Vinyl chloride | — | Archived |
| January 1, 2023 – December 31, 2025 | Monitoring, Regular | p-Dichlorobenzene | — | Archived |
| January 1, 2023 – December 31, 2025 | Monitoring, Regular | o-Dichlorobenzene | — | Archived |
| January 1, 2023 – December 31, 2025 | Monitoring, Regular | DICHLOROMETHANE | — | Archived |
| January 1, 2023 – December 31, 2025 | Monitoring, Regular | Xylenes, Total | — | Archived |
| January 1, 2023 – December 31, 2025 | Monitoring, Regular | cis-1,2-Dichloroethylene | — | Archived |
| January 1, 2023 – December 31, 2025 | Monitoring, Regular | 1,2,4-Trichlorobenzene | — | Archived |
| January 1, 2023 – December 31, 2025 | Monitoring, Regular | Chlordane | — | Archived |
| January 1, 2023 – December 31, 2025 | Monitoring, Regular | ETHYLENE DIBROMIDE | — | Archived |
| January 1, 2023 – December 31, 2025 | Monitoring, Regular | 1,2-DIBROMO-3-CHLOROPROPANE | — | Archived |
| January 1, 2023 – December 31, 2025 | Monitoring, Regular | Total Polychlorinated Biphenyls (PCB) | — | Archived |
| January 1, 2023 – December 31, 2025 | Monitoring, Regular | Pentachlorophenol | — | Archived |
| January 1, 2023 – December 31, 2025 | Monitoring, Regular | Benzo(a)pyrene | — | Archived |
| January 1, 2023 – December 31, 2025 | Monitoring, Regular | 2,4-D | — | Archived |
| January 1, 2023 – December 31, 2025 | Monitoring, Regular | Heptachlor epoxide | — | Archived |
| January 1, 2023 – December 31, 2025 | Monitoring, Regular | Atrazine | — | Archived |
| January 1, 2023 – December 31, 2025 | Monitoring, Regular | Hexachlorocyclopentadiene | — | Archived |
| January 1, 2023 – December 31, 2025 | Monitoring, Regular | Dinoseb | — | Archived |
| January 1, 2023 – December 31, 2025 | Monitoring, Regular | Picloram | — | Archived |
| January 1, 2023 – December 31, 2025 | Monitoring, Regular | Simazine | — | Archived |
| January 1, 2023 – December 31, 2025 | Monitoring, Regular | Diquat | — | Archived |
| January 1, 2023 – December 31, 2025 | Monitoring, Regular | Dalapon | — | Archived |
| January 1, 2023 – December 31, 2025 | Monitoring, Regular | Toxaphene | — | Archived |
| January 1, 2023 – December 31, 2025 | Monitoring, Regular | Methoxychlor | — | Archived |
| January 1, 2023 – December 31, 2025 | Monitoring, Regular | Endrin | — | Archived |
| January 1, 2023 – December 31, 2025 | Monitoring, Regular | OXAMYL | — | Archived |
| January 1, 2023 – December 31, 2025 | Monitoring, Regular | Styrene | — | Archived |
| January 1, 2023 – December 31, 2025 | Monitoring, Regular | Ethylbenzene | — | Archived |
| January 1, 2023 – December 31, 2025 | Monitoring, Regular | Benzene | — | Archived |
| January 1, 2023 – December 31, 2025 | Monitoring, Regular | Tetrachloroethylene | — | Archived |
| January 1, 2023 – December 31, 2025 | Monitoring, Regular | 1,1,2-Trichloroethane | — | Archived |
| January 1, 2023 – December 31, 2025 | Monitoring, Regular | Trichloroethylene | — | Archived |
| January 1, 2023 – December 31, 2025 | Monitoring, Regular | Carbon tetrachloride | — | Archived |
| January 1, 2022 – December 31, 2022 | Monitoring, Regular | Nitrate | — | Resolved |
| October 1, 2021 – September 30, 2022 | Monitoring and Reporting (DBP) | TTHM | — | Resolved |
| January 1, 2021 – December 31, 2021 | Failure to Conduct Assessment Monitoring | COLIPHAGE | — | Resolved |
| January 1, 2021 – December 31, 2021 | Failure to Conduct Assessment Monitoring | COLIPHAGE | — | Resolved |
| September 1, 2020 – September 30, 2020 | Monitoring, Routine (RTCR) | Revised Total Coliform Rule | — | Resolved |
| July 1, 2020 – August 12, 2020 | Follow-up Or Routine LCR Tap M/R | Lead and Copper Rule | — | Resolved |
| April 1, 2020 – April 30, 2020 | Monitoring, Routine (RTCR) | Revised Total Coliform Rule | — | Resolved |
| January 1, 2020 – December 31, 2022 | Monitoring, Regular | Picloram | — | Archived |
| January 1, 2020 – August 12, 2020 | Follow-up Or Routine LCR Tap M/R | Lead and Copper Rule | — | Resolved |
| January 1, 2020 – December 31, 2020 | Failure to Conduct Assessment Monitoring | COLIPHAGE | — | Resolved |
| January 1, 2020 – December 31, 2020 | Failure to Conduct Assessment Monitoring | COLIPHAGE | — | Resolved |
| January 1, 2020 – December 31, 2020 | Monitoring and Reporting (DBP) | TTHM | — | Resolved |
| January 1, 2020 – December 31, 2022 | Monitoring, Regular | 1,2,4-Trichlorobenzene | — | Archived |
| January 1, 2020 – December 31, 2022 | Monitoring, Regular | Xylenes, Total | — | Archived |
| January 1, 2020 – December 31, 2022 | Monitoring, Regular | o-Dichlorobenzene | — | Archived |
| January 1, 2020 – December 31, 2022 | Monitoring, Regular | Vinyl chloride | — | Archived |
| January 1, 2020 – December 31, 2022 | Monitoring, Regular | trans-1,2-Dichloroethylene | — | Archived |
| January 1, 2020 – December 31, 2022 | Monitoring, Regular | 1,2-Dichloroethane | — | Archived |
| January 1, 2020 – December 31, 2022 | Monitoring, Regular | Trichloroethylene | — | Archived |
| January 1, 2020 – December 31, 2022 | Monitoring, Regular | Tetrachloroethylene | — | Archived |
| January 1, 2020 – December 31, 2022 | Monitoring, Regular | CHLOROBENZENE | — | Archived |
| January 1, 2020 – December 31, 2022 | Monitoring, Regular | Toluene | — | Archived |
| January 1, 2020 – December 31, 2022 | Monitoring, Regular | Styrene | — | Archived |
| January 1, 2020 – December 31, 2022 | Monitoring, Regular | BHC-GAMMA | — | Archived |
| January 1, 2020 – December 31, 2022 | Monitoring, Regular | Toxaphene | — | Archived |
| January 1, 2020 – December 31, 2022 | Monitoring, Regular | Dalapon | — | Archived |
| January 1, 2020 – December 31, 2022 | Monitoring, Regular | Diquat | — | Archived |
| January 1, 2020 – December 31, 2022 | Monitoring, Regular | Endothall | — | Archived |
| January 1, 2020 – December 31, 2022 | Monitoring, Regular | Glyphosate | — | Archived |
| January 1, 2020 – December 31, 2022 | Monitoring, Regular | Di(2-ethylhexyl) adipate | — | Archived |
| January 1, 2020 – December 31, 2022 | Monitoring, Regular | OXAMYL | — | Archived |
| January 1, 2020 – December 31, 2022 | Monitoring, Regular | Dinoseb | — | Archived |
| January 1, 2020 – December 31, 2022 | Monitoring, Regular | Carbofuran | — | Archived |
| January 1, 2020 – December 31, 2022 | Monitoring, Regular | LASSO | — | Archived |
| January 1, 2020 – December 31, 2022 | Monitoring, Regular | Heptachlor epoxide | — | Archived |
| January 1, 2020 – December 31, 2022 | Monitoring, Regular | Benzo(a)pyrene | — | Archived |
| January 1, 2020 – December 31, 2022 | Monitoring, Regular | Pentachlorophenol | — | Archived |
| January 1, 2020 – December 31, 2022 | Monitoring, Regular | Total Polychlorinated Biphenyls (PCB) | — | Archived |
| July 1, 2019 – August 12, 2020 | Follow-up Or Routine LCR Tap M/R | Lead and Copper Rule | — | Resolved |
| May 17, 2018 – August 12, 2020 | Public Notification Violation for NPDWR Violation | Public Notice | — | Resolved |
| April 1, 2018 – December 26, 2018 | OCCT/SOWT Treatment Installation/Demonstration | Lead and Copper Rule | Health-based | Resolved |
| July 1, 2017 – October 4, 2017 | Follow-up Or Routine LCR Tap M/R | Lead and Copper Rule | — | 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 |
| December 11, 2016 – March 9, 2017 | Public Education | Lead and Copper Rule | Health-based | Resolved |
| April 18, 2016 – April 6, 2016 | Public Notification Violation for NPDWR Violation | Public Notice | — | Resolved |
| December 26, 2014 – December 12, 2014 | Public Notification Violation for NPDWR Violation | Public Notice | — | Resolved |
| October 24, 2014 – December 12, 2014 | Public Notification Violation for NPDWR Violation | Public Notice | — | Resolved |
| September 1, 2014 – September 30, 2014 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Resolved |
| July 23, 2014 – December 12, 2014 | Monitoring, Source Water (GWR) | E. COLI | — | Resolved |
| July 1, 2014 – July 31, 2014 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Resolved |
| January 2, 2014 – December 12, 2014 | Monitoring, Source Water (GWR) | E. COLI | — | Resolved |
| November 20, 2013 – December 12, 2014 | Monitoring, Source Water (GWR) | E. COLI | — | Resolved |
| October 1, 2013 – October 31, 2013 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Resolved |
| March 15, 2013 – April 15, 2013 | Monitoring, Source Water (GWR) | E. COLI | — | Resolved |
| February 1, 2013 – February 28, 2013 | Monitoring, Repeat Major (TCR) | Coliform (TCR) | — | Resolved |
| January 23, 2013 – April 15, 2013 | Monitoring, Source Water (GWR) | E. COLI | — | Resolved |
| January 1, 2013 – January 31, 2013 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Resolved |
| January 1, 2013 – September 30, 2013 | Follow-up Or Routine LCR Tap M/R | Lead and Copper Rule | — | Resolved |
| January 1, 2011 – December 31, 2011 | Monitoring, Regular | Nitrate | — | Resolved |
| October 19, 2002 – March 11, 2003 | Consumer Confidence Report Inadequate Reporting | Consumer Confidence Rule | — | Resolved |
| January 1, 2002 – December 31, 2004 | Monitoring, Regular | Glyphosate | — | Resolved |
| January 1, 2002 – December 31, 2004 | Monitoring, Regular | Carbon tetrachloride | — | Resolved |
| January 1, 2002 – December 31, 2004 | Monitoring, Regular | Diquat | — | Resolved |
| January 1, 2002 – December 31, 2004 | Monitoring, Regular | Dalapon | — | Resolved |
| January 1, 2002 – December 31, 2004 | Monitoring, Regular | Toxaphene | — | Resolved |
| January 1, 2002 – December 31, 2004 | Monitoring, Regular | Methoxychlor | — | Resolved |
| January 1, 2002 – December 31, 2004 | Monitoring, Regular | BHC-GAMMA | — | Resolved |
| January 1, 2002 – December 31, 2004 | Monitoring, Regular | Endothall | — | Resolved |
| January 1, 2002 – December 31, 2004 | Monitoring, Regular | 1,2-Dichloroethane | — | Resolved |
| January 1, 2002 – December 31, 2004 | Monitoring, Regular | trans-1,2-Dichloroethylene | — | Resolved |
| January 1, 2002 – December 31, 2004 | Monitoring, Regular | 1,1-Dichloroethylene | — | Resolved |
| January 1, 2002 – December 31, 2004 | Monitoring, Regular | Vinyl chloride | — | Resolved |
| January 1, 2002 – December 31, 2004 | Monitoring, Regular | p-Dichlorobenzene | — | Resolved |
| January 1, 2002 – December 31, 2004 | Monitoring, Regular | o-Dichlorobenzene | — | Resolved |
| January 1, 2002 – December 31, 2004 | Monitoring, Regular | DICHLOROMETHANE | — | Resolved |
| January 1, 2002 – December 31, 2004 | Monitoring, Regular | Xylenes, Total | — | Resolved |
| January 1, 2002 – December 31, 2004 | Monitoring, Regular | cis-1,2-Dichloroethylene | — | Resolved |
| January 1, 2002 – December 31, 2004 | Monitoring, Regular | 1,2,4-Trichlorobenzene | — | Resolved |
| January 1, 2002 – December 31, 2004 | Monitoring, Regular | Pentachlorophenol | — | Resolved |
| January 1, 2002 – December 31, 2004 | Monitoring, Regular | Benzo(a)pyrene | — | Resolved |
| January 1, 2002 – December 31, 2004 | Monitoring, Regular | HEXACHLOROBENZENE | — | Resolved |
| January 1, 2002 – December 31, 2004 | Monitoring, Regular | 2,4-D | — | Resolved |
| January 1, 2002 – December 31, 2004 | Monitoring, Regular | Heptachlor epoxide | — | Resolved |
| January 1, 2002 – December 31, 2004 | Monitoring, Regular | Heptachlor | — | Resolved |
| January 1, 2002 – December 31, 2004 | Monitoring, Regular | LASSO | — | Resolved |
| January 1, 2002 – December 31, 2004 | Monitoring, Regular | Atrazine | — | Resolved |
| January 1, 2002 – December 31, 2004 | Monitoring, Regular | Hexachlorocyclopentadiene | — | Resolved |
| January 1, 2002 – December 31, 2004 | Monitoring, Regular | Dinoseb | — | Resolved |
| January 1, 2002 – December 31, 2004 | Monitoring, Regular | Picloram | — | Resolved |
| January 1, 2002 – December 31, 2004 | Monitoring, Regular | Simazine | — | Resolved |
| January 1, 2002 – December 31, 2004 | Monitoring, Regular | Di(2-ethylhexyl) adipate | — | Resolved |
| January 1, 2002 – December 31, 2004 | Monitoring, Regular | CHLOROBENZENE | — | Resolved |
| January 1, 2002 – December 31, 2004 | Monitoring, Regular | Tetrachloroethylene | — | Resolved |
| January 1, 2002 – December 31, 2004 | Monitoring, Regular | 1,1,2-Trichloroethane | — | Resolved |
| January 1, 2002 – December 31, 2004 | Monitoring, Regular | Trichloroethylene | — | Resolved |
| January 1, 2002 – December 31, 2004 | Monitoring, Regular | 1,2-Dichloropropane | — | Resolved |
| January 1, 2002 – December 31, 2004 | Monitoring, Regular | Endrin | — | Resolved |
| January 1, 2002 – December 31, 2004 | Monitoring, Regular | Styrene | — | Resolved |
| January 1, 2002 – December 31, 2004 | Monitoring, Regular | Ethylbenzene | — | Resolved |
| January 1, 2002 – December 31, 2004 | Monitoring, Regular | Toluene | — | Resolved |
| January 1, 2002 – December 31, 2004 | Monitoring, Regular | Benzene | — | Resolved |
| November 1, 1992 – November 30, 1992 | Monitoring, Routine Minor (TCR) | Coliform (TCR) | — | Resolved |
| October 1, 1991 – October 31, 1991 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Archived |
| February 1, 1991 – February 28, 1991 | Monitoring, Repeat Minor (TCR) | Coliform (TCR) | — | Resolved |
| 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 |
Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)
Enforcement actions
- March 3, 2026State Compliance achieved1 linked violation
- January 8, 2026State Compliance achieved2 linked violations
- October 10, 2025State Compliance achieved2 linked violations
- July 29, 2025State Compliance achieved1 linked violation
- January 28, 2025State Compliance achieved1 linked violation
- September 26, 2024State Compliance achieved1 linked violation
- October 17, 2023State Compliance achieved2 linked violations
- April 10, 2023State Compliance achieved1 linked violation
- March 8, 2023State Compliance achieved6 linked violations
- March 3, 2023State Compliance achieved1 linked violation
- January 5, 2022State Compliance achieved1 linked violation
- January 5, 2022State Compliance achieved1 linked violation
- July 13, 2021State Compliance achieved2 linked violations
- December 9, 2020State Compliance achieved1 linked violation
- October 8, 2020State Compliance achieved1 linked violation
- August 12, 2020State Compliance achieved2 linked violations
- August 12, 2020State Compliance achieved1 linked violation
- August 12, 2020State Compliance achieved1 linked violation
- May 22, 2020State Compliance achieved1 linked violation
- December 26, 2018State Compliance achieved1 linked violation
- August 20, 2018State Compliance achieved1 linked violation
- April 16, 2018State Public Notification requested1 linked violation
- October 4, 2017State Compliance achieved1 linked violation
- March 9, 2017State Compliance achieved1 linked violation
- March 9, 2017State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
- March 18, 2016State Public Notification requested1 linked violation
- December 12, 2014State Compliance achieved10 linked violations
- December 12, 2014State Compliance achieved1 linked violation
- December 12, 2014State Compliance achieved2 linked violations
- December 12, 2014State Compliance achieved1 linked violation
- September 23, 2014State Public Notification requested3 linked violations
- January 24, 2014State Public Notification received4 linked violations
- January 13, 2014State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
- December 19, 2013State Compliance achieved1 linked violation
- December 19, 2013State Compliance achieved1 linked violation
- November 4, 2013State Public Notification received1 linked violation
- November 4, 2013State Public Notification received1 linked violation
- October 11, 2013State Public Notification requested2 linked violations
- September 30, 2013State Compliance achieved1 linked violation
- August 8, 2013State Compliance achieved1 linked violation
- June 17, 2013State Public Notification requested2 linked violations
- April 15, 2013State Compliance achieved5 linked violations
- February 28, 2012State Violation/Reminder Notice2 linked violations
- January 27, 2012State Compliance achieved2 linked violations
- July 14, 2009State Compliance achieved4 linked violations
- September 14, 2006State Compliance achieved1 linked violation
- September 14, 2006State Compliance achieved1 linked violation
- September 14, 2006State Compliance achieved1 linked violation
- September 14, 2006State Compliance achieved1 linked violation
- September 14, 2006State Compliance achieved1 linked violation
- September 14, 2006State Compliance achieved1 linked violation
- September 14, 2006State Compliance achieved1 linked violation
- September 14, 2006State Compliance achieved1 linked violation
- September 14, 2006State Compliance achieved1 linked violation
- September 14, 2006State Compliance achieved1 linked violation
- September 14, 2006State Compliance achieved1 linked violation
- September 14, 2006State Compliance achieved1 linked violation
- September 14, 2006State Compliance achieved1 linked violation
- September 14, 2006State Compliance achieved1 linked violation
- September 14, 2006State Compliance achieved1 linked violation
- September 14, 2006State Compliance achieved1 linked violation
- September 14, 2006State Compliance achieved1 linked violation
- September 14, 2006State Compliance achieved1 linked violation
- September 14, 2006State Compliance achieved1 linked violation
- September 14, 2006State Compliance achieved1 linked violation
- September 14, 2006State Compliance achieved1 linked violation
- September 14, 2006State Compliance achieved1 linked violation
- September 14, 2006State Compliance achieved2 linked violations
- September 14, 2006State Compliance achieved6 linked violations
- September 14, 2006State Compliance achieved1 linked violation
- September 14, 2006State Compliance achieved1 linked violation
- September 14, 2006State Compliance achieved1 linked violation
- September 14, 2006State Compliance achieved1 linked violation
- August 9, 2001State Compliance achieved1 linked violation
- August 9, 2001State Compliance achieved1 linked violation
- August 9, 2001State Compliance achieved1 linked violation
- August 9, 2001State Compliance achieved1 linked violation
Common questions
Is WELCHES WATER COMPANY required to publish a Consumer Confidence Report?
- Yes. WELCHES WATER COMPANY 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 WELCHES WATER COMPANY’s next Consumer Confidence Report due?
- WELCHES WATER COMPANY’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does WELCHES WATER COMPANY have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show no open violations for WELCHES WATER COMPANY.
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
WELCHES WATER COMPANY
503-806-4734
SANDY, OR 97055