Pateros, WA · Okanogan County
PATEROS WATER DEPARTMENT Water System
Consumer Confidence Report status
PATEROS WATER DEPARTMENT 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 PATEROS WATER DEPARTMENT.
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 Washington’s official records. Always confirm current status with Washington before making decisions based on this information.
System facts
- System ID (PWSID)
- WA5366450
- System type
- Community Water System
- Population served
- 1,149
- Service connections
- 347
- Ownership
- local government
- Water source
- groundwater (wells)
PATEROS WATER DEPARTMENT is one of 428 community water systems in Washington in the 501 to 3,300 people size category, serving 1,149 people from groundwater.
As of August 1, 2026, its federal record holds 68 entries between 1979 and 2024, all of which EPA lists as closed.
Of the 68, 66 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 volatile organic chemicals, inorganic chemicals, and the Stage 2 Disinfectants and Disinfection Byproducts Rule.
Violation history
Monitoring, Regular
—Nitrate
October 1, 2024 – December 31, 2024
ResolvedMonitoring and Reporting (DBP)
—Total Haloacetic Acids (HAA5)
January 1, 2021 – December 31, 2021
ResolvedMonitoring and Reporting (DBP)
—TTHM
January 1, 2021 – December 31, 2021
ResolvedMonitoring, Regular
—Tetrachloroethylene
January 1, 2019 – March 31, 2019
ResolvedMonitoring, Regular
—CHLOROBENZENE
January 1, 2019 – March 31, 2019
ResolvedMonitoring, Regular
—1,2-Dichloropropane
January 1, 2019 – March 31, 2019
ResolvedMonitoring, Regular
—Toluene
January 1, 2019 – March 31, 2019
ResolvedMonitoring, Regular
—Ethylbenzene
January 1, 2019 – March 31, 2019
ResolvedMonitoring, Regular
—Styrene
January 1, 2019 – March 31, 2019
ResolvedMonitoring, Regular
—Benzene
January 1, 2019 – March 31, 2019
ResolvedMonitoring, Regular
—Trichloroethylene
January 1, 2019 – March 31, 2019
ResolvedMonitoring, Regular
—1,1,2-Trichloroethane
January 1, 2019 – March 31, 2019
ResolvedMonitoring, Regular
—1,2,4-Trichlorobenzene
January 1, 2019 – March 31, 2019
ResolvedMonitoring, Regular
—cis-1,2-Dichloroethylene
January 1, 2019 – March 31, 2019
ResolvedMonitoring, Regular
—DICHLOROMETHANE
January 1, 2019 – March 31, 2019
ResolvedMonitoring, Regular
—o-Dichlorobenzene
January 1, 2019 – March 31, 2019
ResolvedMonitoring, Regular
—p-Dichlorobenzene
January 1, 2019 – March 31, 2019
ResolvedMonitoring, Regular
—Vinyl chloride
January 1, 2019 – March 31, 2019
ResolvedMonitoring, Regular
—1,1-Dichloroethylene
January 1, 2019 – March 31, 2019
ResolvedMonitoring, Regular
—trans-1,2-Dichloroethylene
January 1, 2019 – March 31, 2019
ResolvedMonitoring, Regular
—1,2-Dichloroethane
January 1, 2019 – March 31, 2019
ResolvedMonitoring, Regular
—1,1,1-Trichloroethane
January 1, 2019 – March 31, 2019
ResolvedMonitoring, Regular
—Carbon tetrachloride
January 1, 2019 – March 31, 2019
ResolvedMonitoring, Regular
—trans-1,2-Dichloroethylene
October 1, 2018 – December 31, 2018
ResolvedMonitoring, Regular
—1,1,1-Trichloroethane
October 1, 2018 – December 31, 2018
ResolvedMonitoring, Regular
—Carbon tetrachloride
October 1, 2018 – December 31, 2018
ResolvedMonitoring, Regular
—1,2-Dichloropropane
October 1, 2018 – December 31, 2018
ResolvedMonitoring, Regular
—Trichloroethylene
October 1, 2018 – December 31, 2018
ResolvedMonitoring, Regular
—1,1,2-Trichloroethane
October 1, 2018 – December 31, 2018
ResolvedMonitoring, Regular
—Tetrachloroethylene
October 1, 2018 – December 31, 2018
ResolvedMonitoring, Regular
—CHLOROBENZENE
October 1, 2018 – December 31, 2018
ResolvedMonitoring, Regular
—Benzene
October 1, 2018 – December 31, 2018
ResolvedMonitoring, Regular
—Toluene
October 1, 2018 – December 31, 2018
ResolvedMonitoring, Regular
—Ethylbenzene
October 1, 2018 – December 31, 2018
ResolvedMonitoring, Regular
—Styrene
October 1, 2018 – December 31, 2018
ResolvedMonitoring, Regular
—Vinyl chloride
October 1, 2018 – December 31, 2018
ResolvedMonitoring, Regular
—1,1-Dichloroethylene
October 1, 2018 – December 31, 2018
ResolvedMonitoring, Regular
—1,2-Dichloroethane
October 1, 2018 – December 31, 2018
ResolvedMonitoring, Regular
—1,2,4-Trichlorobenzene
October 1, 2018 – December 31, 2018
ResolvedMonitoring, Regular
—cis-1,2-Dichloroethylene
October 1, 2018 – December 31, 2018
ResolvedMonitoring, Regular
—DICHLOROMETHANE
October 1, 2018 – December 31, 2018
ResolvedMonitoring, Regular
—o-Dichlorobenzene
October 1, 2018 – December 31, 2018
ResolvedMonitoring, Regular
—p-Dichlorobenzene
October 1, 2018 – December 31, 2018
ResolvedMonitoring, Routine (RTCR)
—Revised Total Coliform Rule
December 1, 2016 – December 31, 2016
ResolvedConsumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2014 – October 23, 2014
ResolvedConsumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2013 – October 16, 2013
ResolvedMonitoring, Regular
—Nickel
January 1, 2008 – December 31, 2010
ResolvedMonitoring, Regular
—Arsenic
January 1, 2008 – December 31, 2010
ResolvedMonitoring, Regular
—Barium
January 1, 2008 – December 31, 2010
ResolvedMonitoring, Regular
—Cadmium
January 1, 2008 – December 31, 2010
ResolvedMonitoring, Regular
—Chromium
January 1, 2008 – December 31, 2010
ResolvedMonitoring, Regular
—CYANIDE
January 1, 2008 – December 31, 2010
ResolvedMonitoring, Regular
—Fluoride
January 1, 2008 – December 31, 2010
ResolvedMonitoring, Regular
—Mercury
January 1, 2008 – December 31, 2010
ResolvedMonitoring, Regular
—Selenium
January 1, 2008 – December 31, 2010
ResolvedMonitoring, Regular
—Antimony, Total
January 1, 2008 – December 31, 2010
ResolvedMonitoring, Regular
—Beryllium, Total
January 1, 2008 – December 31, 2010
ResolvedMonitoring, Regular
—Thallium, Total
January 1, 2008 – December 31, 2010
ResolvedFollow-up Or Routine LCR Tap M/R
—Lead and Copper Rule
January 1, 2004 – December 31, 2004
ResolvedMonitoring, Routine Minor (TCR)
—Coliform (TCR)
December 1, 1991 – December 31, 1991
ArchivedMonitoring, Regular
—Arsenic
October 1, 1979 – October 31, 1979
ArchivedMonitoring, Regular
—Barium
October 1, 1979 – October 31, 1979
ArchivedMonitoring, Regular
—Cadmium
October 1, 1979 – October 31, 1979
ArchivedMonitoring, Regular
—Chromium
October 1, 1979 – October 31, 1979
ArchivedMonitoring, Regular
—Fluoride
October 1, 1979 – October 31, 1979
ArchivedMonitoring, Regular
—Mercury
October 1, 1979 – October 31, 1979
ArchivedMonitoring, Regular
—Nitrate
October 1, 1979 – October 31, 1979
ArchivedMonitoring, Regular
—Gross Alpha, Excl. Radon and U
October 1, 1979 – October 31, 1979
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 |
|---|---|---|---|---|
| October 1, 2024 – December 31, 2024 | Monitoring, Regular | Nitrate | — | Resolved |
| January 1, 2021 – December 31, 2021 | Monitoring and Reporting (DBP) | Total Haloacetic Acids (HAA5) | — | Resolved |
| January 1, 2021 – December 31, 2021 | Monitoring and Reporting (DBP) | TTHM | — | Resolved |
| January 1, 2019 – March 31, 2019 | Monitoring, Regular | Tetrachloroethylene | — | Resolved |
| January 1, 2019 – March 31, 2019 | Monitoring, Regular | CHLOROBENZENE | — | Resolved |
| January 1, 2019 – March 31, 2019 | Monitoring, Regular | 1,2-Dichloropropane | — | Resolved |
| January 1, 2019 – March 31, 2019 | Monitoring, Regular | Toluene | — | Resolved |
| January 1, 2019 – March 31, 2019 | Monitoring, Regular | Ethylbenzene | — | Resolved |
| January 1, 2019 – March 31, 2019 | Monitoring, Regular | Styrene | — | Resolved |
| January 1, 2019 – March 31, 2019 | Monitoring, Regular | Benzene | — | Resolved |
| January 1, 2019 – March 31, 2019 | Monitoring, Regular | Trichloroethylene | — | Resolved |
| January 1, 2019 – March 31, 2019 | Monitoring, Regular | 1,1,2-Trichloroethane | — | Resolved |
| January 1, 2019 – March 31, 2019 | Monitoring, Regular | 1,2,4-Trichlorobenzene | — | Resolved |
| January 1, 2019 – March 31, 2019 | Monitoring, Regular | cis-1,2-Dichloroethylene | — | Resolved |
| January 1, 2019 – March 31, 2019 | Monitoring, Regular | DICHLOROMETHANE | — | Resolved |
| January 1, 2019 – March 31, 2019 | Monitoring, Regular | o-Dichlorobenzene | — | Resolved |
| January 1, 2019 – March 31, 2019 | Monitoring, Regular | p-Dichlorobenzene | — | Resolved |
| January 1, 2019 – March 31, 2019 | Monitoring, Regular | Vinyl chloride | — | Resolved |
| January 1, 2019 – March 31, 2019 | Monitoring, Regular | 1,1-Dichloroethylene | — | Resolved |
| January 1, 2019 – March 31, 2019 | Monitoring, Regular | trans-1,2-Dichloroethylene | — | Resolved |
| January 1, 2019 – March 31, 2019 | Monitoring, Regular | 1,2-Dichloroethane | — | Resolved |
| January 1, 2019 – March 31, 2019 | Monitoring, Regular | 1,1,1-Trichloroethane | — | Resolved |
| January 1, 2019 – March 31, 2019 | Monitoring, Regular | Carbon tetrachloride | — | Resolved |
| October 1, 2018 – December 31, 2018 | Monitoring, Regular | trans-1,2-Dichloroethylene | — | Resolved |
| October 1, 2018 – December 31, 2018 | Monitoring, Regular | 1,1,1-Trichloroethane | — | Resolved |
| October 1, 2018 – December 31, 2018 | Monitoring, Regular | Carbon tetrachloride | — | Resolved |
| October 1, 2018 – December 31, 2018 | Monitoring, Regular | 1,2-Dichloropropane | — | Resolved |
| October 1, 2018 – December 31, 2018 | Monitoring, Regular | Trichloroethylene | — | Resolved |
| October 1, 2018 – December 31, 2018 | Monitoring, Regular | 1,1,2-Trichloroethane | — | Resolved |
| October 1, 2018 – December 31, 2018 | Monitoring, Regular | Tetrachloroethylene | — | Resolved |
| October 1, 2018 – December 31, 2018 | Monitoring, Regular | CHLOROBENZENE | — | Resolved |
| October 1, 2018 – December 31, 2018 | Monitoring, Regular | Benzene | — | Resolved |
| October 1, 2018 – December 31, 2018 | Monitoring, Regular | Toluene | — | Resolved |
| October 1, 2018 – December 31, 2018 | Monitoring, Regular | Ethylbenzene | — | Resolved |
| October 1, 2018 – December 31, 2018 | Monitoring, Regular | Styrene | — | Resolved |
| October 1, 2018 – December 31, 2018 | Monitoring, Regular | Vinyl chloride | — | Resolved |
| October 1, 2018 – December 31, 2018 | Monitoring, Regular | 1,1-Dichloroethylene | — | Resolved |
| October 1, 2018 – December 31, 2018 | Monitoring, Regular | 1,2-Dichloroethane | — | Resolved |
| October 1, 2018 – December 31, 2018 | Monitoring, Regular | 1,2,4-Trichlorobenzene | — | Resolved |
| October 1, 2018 – December 31, 2018 | Monitoring, Regular | cis-1,2-Dichloroethylene | — | Resolved |
| October 1, 2018 – December 31, 2018 | Monitoring, Regular | DICHLOROMETHANE | — | Resolved |
| October 1, 2018 – December 31, 2018 | Monitoring, Regular | o-Dichlorobenzene | — | Resolved |
| October 1, 2018 – December 31, 2018 | Monitoring, Regular | p-Dichlorobenzene | — | Resolved |
| December 1, 2016 – December 31, 2016 | Monitoring, Routine (RTCR) | Revised Total Coliform Rule | — | Resolved |
| July 1, 2014 – October 23, 2014 | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | — | Resolved |
| July 1, 2013 – October 16, 2013 | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | — | Resolved |
| January 1, 2008 – December 31, 2010 | Monitoring, Regular | Nickel | — | Resolved |
| January 1, 2008 – December 31, 2010 | Monitoring, Regular | Arsenic | — | Resolved |
| January 1, 2008 – December 31, 2010 | Monitoring, Regular | Barium | — | Resolved |
| January 1, 2008 – December 31, 2010 | Monitoring, Regular | Cadmium | — | Resolved |
| January 1, 2008 – December 31, 2010 | Monitoring, Regular | Chromium | — | Resolved |
| January 1, 2008 – December 31, 2010 | Monitoring, Regular | CYANIDE | — | Resolved |
| January 1, 2008 – December 31, 2010 | Monitoring, Regular | Fluoride | — | Resolved |
| January 1, 2008 – December 31, 2010 | Monitoring, Regular | Mercury | — | Resolved |
| January 1, 2008 – December 31, 2010 | Monitoring, Regular | Selenium | — | Resolved |
| January 1, 2008 – December 31, 2010 | Monitoring, Regular | Antimony, Total | — | Resolved |
| January 1, 2008 – December 31, 2010 | Monitoring, Regular | Beryllium, Total | — | Resolved |
| January 1, 2008 – December 31, 2010 | Monitoring, Regular | Thallium, Total | — | Resolved |
| January 1, 2004 – December 31, 2004 | Follow-up Or Routine LCR Tap M/R | Lead and Copper Rule | — | Resolved |
| December 1, 1991 – December 31, 1991 | Monitoring, Routine Minor (TCR) | Coliform (TCR) | — | Archived |
| October 1, 1979 – October 31, 1979 | Monitoring, Regular | Arsenic | — | Archived |
| October 1, 1979 – October 31, 1979 | Monitoring, Regular | Barium | — | Archived |
| October 1, 1979 – October 31, 1979 | Monitoring, Regular | Cadmium | — | Archived |
| October 1, 1979 – October 31, 1979 | Monitoring, Regular | Chromium | — | Archived |
| October 1, 1979 – October 31, 1979 | Monitoring, Regular | Fluoride | — | Archived |
| October 1, 1979 – October 31, 1979 | Monitoring, Regular | Mercury | — | Archived |
| October 1, 1979 – October 31, 1979 | Monitoring, Regular | Nitrate | — | Archived |
| October 1, 1979 – October 31, 1979 | 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
- April 9, 2025State Compliance achieved1 linked violation
- December 14, 2022State Compliance achieved1 linked violation
- December 14, 2022State Compliance achieved1 linked violation
- April 1, 2019State Compliance achieved40 linked violations
- January 23, 2017State Compliance achieved1 linked violation
- October 21, 2016State Compliance achieved1 linked violation
- October 23, 2014State Compliance achieved1 linked violation
- October 16, 2013State Compliance achieved1 linked violation
- June 16, 2011State Compliance achieved12 linked violations
- December 8, 2004State Compliance achieved10 linked violations
- November 30, 1991State Violation/Reminder Notice1 linked violation
- October 31, 1991State Public Notification requested9 linked violations
- October 31, 1991State Violation/Reminder Notice1 linked violation
Common questions
Is PATEROS WATER DEPARTMENT required to publish a Consumer Confidence Report?
- Yes. PATEROS WATER DEPARTMENT 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 PATEROS WATER DEPARTMENT’s next Consumer Confidence Report due?
- PATEROS WATER DEPARTMENT’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does PATEROS WATER DEPARTMENT have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show no open violations for PATEROS WATER DEPARTMENT.
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
PATEROS WATER DEPARTMENT
Phone not on record
Pateros, WA 98846