GASTON, OR · Washington County
GASTON, CITY OF Water System
Current status
No open violations on record as of July 4, 2026.
This system's next federally required Consumer Confidence Report is due July 1, 2027, under the EPA's revised reporting rule.
Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed July 4, 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)
- OR4100312
- System type
- Community Water System
- Population served
- 625
- Service connections
- 335
- Ownership
- local government
- Water source
- surface water (rivers, lakes, or reservoirs)
Violation history
Monitoring and Reporting (DBP)
—Total Haloacetic Acids (HAA5)
October 1, 2025 – December 31, 2025
ArchivedMonitoring and Reporting (DBP)
—TTHM
October 1, 2025 – December 31, 2025
ArchivedConsumer Confidence Report Inadequate Reporting
—Consumer Confidence Rule
October 1, 2024 – November 25, 2024
ResolvedFollow-up Or Routine LCR Tap M/R
—Lead and Copper Rule
October 1, 2024 – October 10, 2025
ResolvedConsumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2024 – September 30, 2024
ResolvedConsumer Confidence Report Inadequate Reporting
—Consumer Confidence Rule
October 1, 2023 – October 19, 2023
ResolvedConsumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2023 – July 20, 2023
ResolvedFollow-up Or Routine LCR Tap M/R
—Lead and Copper Rule
October 1, 2017 – July 23, 2018
ResolvedMonitoring and Reporting (DBP)
—TTHM
July 1, 2017 – September 30, 2017
ResolvedMonitoring and Reporting (DBP)
—Total Haloacetic Acids (HAA5)
July 1, 2017 – September 30, 2017
ResolvedMonitoring and Reporting (DBP)
—Total Haloacetic Acids (HAA5)
July 1, 2016 – September 30, 2016
ResolvedMonitoring and Reporting (DBP)
—TTHM
July 1, 2016 – September 30, 2016
ResolvedMonitoring, Routine (RTCR)
—Revised Total Coliform Rule
July 1, 2016 – July 31, 2016
ArchivedMonitoring, Routine (RTCR)
—Revised Total Coliform Rule
June 1, 2016 – June 30, 2016
ArchivedMonitoring and Reporting (DBP)
—TTHM
April 1, 2016 – June 30, 2016
ResolvedMonitoring and Reporting (DBP)
—Total Haloacetic Acids (HAA5)
April 1, 2016 – June 30, 2016
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
November 1, 2015 – November 30, 2015
ResolvedMonitoring and Reporting (DBP)
—Total Haloacetic Acids (HAA5)
October 1, 2015 – December 31, 2015
ResolvedMonitoring and Reporting (DBP)
—TTHM
October 1, 2015 – December 31, 2015
ResolvedMonitoring and Reporting (DBP)
—Total Haloacetic Acids (HAA5)
July 1, 2015 – September 30, 2015
ResolvedMonitoring and Reporting (DBP)
—TTHM
July 1, 2015 – September 30, 2015
ResolvedMonitoring and Reporting (DBP)
—TTHM
April 1, 2015 – June 30, 2015
ResolvedMonitoring and Reporting (DBP)
—Total Haloacetic Acids (HAA5)
April 1, 2015 – June 30, 2015
ResolvedFollow-up Or Routine LCR Tap M/R
—Lead and Copper Rule
October 1, 2014 – July 23, 2018
ResolvedMonitoring and Reporting (DBP)
—TTHM
July 1, 2014 – September 30, 2014
ResolvedMonitoring and Reporting (DBP)
—Total Haloacetic Acids (HAA5)
July 1, 2014 – September 30, 2014
ResolvedMonitoring and Reporting (DBP)
—TTHM
April 1, 2014 – June 30, 2014
ResolvedMonitoring and Reporting (DBP)
—Total Haloacetic Acids (HAA5)
April 1, 2014 – June 30, 2014
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
January 1, 2014 – January 31, 2014
ResolvedMonitoring and Reporting (DBP)
—Total Haloacetic Acids (HAA5)
January 1, 2014 – March 31, 2014
ResolvedFollow-up Or Routine LCR Tap M/R
—Lead and Copper Rule
January 1, 2011 – October 24, 2011
ResolvedMonitoring and Reporting (DBP)
—Total Haloacetic Acids (HAA5)
January 1, 2009 – January 31, 2009
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
July 1, 2001 – July 31, 2001
ResolvedMonitoring, Routine Minor (TCR)
—Coliform (TCR)
July 1, 1993 – July 31, 1993
Resolved
Archived closed in EPA's records (typically due to age or a data correction)Resolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| October 1, 2025 – December 31, 2025 | Monitoring and Reporting (DBP) | Total Haloacetic Acids (HAA5) | — | Archived |
| October 1, 2025 – December 31, 2025 | Monitoring and Reporting (DBP) | TTHM | — | Archived |
| October 1, 2024 – November 25, 2024 | Consumer Confidence Report Inadequate Reporting | Consumer Confidence Rule | — | Resolved |
| October 1, 2024 – October 10, 2025 | Follow-up Or Routine LCR Tap M/R | Lead and Copper Rule | — | Resolved |
| July 1, 2024 – September 30, 2024 | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | — | Resolved |
| October 1, 2023 – October 19, 2023 | Consumer Confidence Report Inadequate Reporting | Consumer Confidence Rule | — | Resolved |
| July 1, 2023 – July 20, 2023 | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | — | Resolved |
| October 1, 2017 – July 23, 2018 | Follow-up Or Routine LCR Tap M/R | Lead and Copper Rule | — | Resolved |
| July 1, 2017 – September 30, 2017 | Monitoring and Reporting (DBP) | TTHM | — | Resolved |
| July 1, 2017 – September 30, 2017 | Monitoring and Reporting (DBP) | Total Haloacetic Acids (HAA5) | — | Resolved |
| July 1, 2016 – September 30, 2016 | Monitoring and Reporting (DBP) | Total Haloacetic Acids (HAA5) | — | Resolved |
| July 1, 2016 – September 30, 2016 | Monitoring and Reporting (DBP) | TTHM | — | Resolved |
| July 1, 2016 – July 31, 2016 | Monitoring, Routine (RTCR) | Revised Total Coliform Rule | — | Archived |
| June 1, 2016 – June 30, 2016 | Monitoring, Routine (RTCR) | Revised Total Coliform Rule | — | Archived |
| April 1, 2016 – June 30, 2016 | Monitoring and Reporting (DBP) | TTHM | — | Resolved |
| April 1, 2016 – June 30, 2016 | Monitoring and Reporting (DBP) | Total Haloacetic Acids (HAA5) | — | Resolved |
| November 1, 2015 – November 30, 2015 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Resolved |
| October 1, 2015 – December 31, 2015 | Monitoring and Reporting (DBP) | Total Haloacetic Acids (HAA5) | — | Resolved |
| October 1, 2015 – December 31, 2015 | Monitoring and Reporting (DBP) | TTHM | — | Resolved |
| July 1, 2015 – September 30, 2015 | Monitoring and Reporting (DBP) | Total Haloacetic Acids (HAA5) | — | Resolved |
| July 1, 2015 – September 30, 2015 | Monitoring and Reporting (DBP) | TTHM | — | Resolved |
| April 1, 2015 – June 30, 2015 | Monitoring and Reporting (DBP) | TTHM | — | Resolved |
| April 1, 2015 – June 30, 2015 | Monitoring and Reporting (DBP) | Total Haloacetic Acids (HAA5) | — | Resolved |
| October 1, 2014 – July 23, 2018 | Follow-up Or Routine LCR Tap M/R | Lead and Copper Rule | — | Resolved |
| July 1, 2014 – September 30, 2014 | Monitoring and Reporting (DBP) | TTHM | — | Resolved |
| July 1, 2014 – September 30, 2014 | Monitoring and Reporting (DBP) | Total Haloacetic Acids (HAA5) | — | Resolved |
| April 1, 2014 – June 30, 2014 | Monitoring and Reporting (DBP) | TTHM | — | Resolved |
| April 1, 2014 – June 30, 2014 | Monitoring and Reporting (DBP) | Total Haloacetic Acids (HAA5) | — | Resolved |
| January 1, 2014 – January 31, 2014 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Resolved |
| January 1, 2014 – March 31, 2014 | Monitoring and Reporting (DBP) | Total Haloacetic Acids (HAA5) | — | Resolved |
| January 1, 2011 – October 24, 2011 | Follow-up Or Routine LCR Tap M/R | Lead and Copper Rule | — | Resolved |
| January 1, 2009 – January 31, 2009 | Monitoring and Reporting (DBP) | Total Haloacetic Acids (HAA5) | — | Resolved |
| July 1, 2001 – July 31, 2001 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Resolved |
| July 1, 1993 – July 31, 1993 | Monitoring, Routine Minor (TCR) | Coliform (TCR) | — | Resolved |
Archived closed in EPA's records (typically due to age or a data correction)Resolved addressed and confirmed by the state
Enforcement actions
- November 25, 2024State Compliance achieved10 linked violations
- October 19, 2023State Compliance achieved1 linked violation
- July 23, 2018State Compliance achieved1 linked violation
- October 17, 2017State Compliance achieved2 linked violations
- November 21, 2016State Compliance achieved2 linked violations
- September 27, 2016State Compliance achieved2 linked violations
- September 16, 2016State Compliance achievedgeneral compliance action — not tied to a specific violation on record
- September 1, 2015State Formal Notice of Violation issued1 linked violation
- November 18, 2014State Compliance achieved1 linked violation
- October 24, 2011State Compliance achieved1 linked violation
- June 25, 2010State Compliance achieved2 linked violations
Contact
GASTON, CITY OF
503-985-3340
GASTON, OR 97119