LA WATER CO-OP
Oregon — Community Water System — PWSID: OR4100313
System Information
| PWSID | OR4100313 |
| System Name | LA WATER CO-OP |
| System Type | Community Water System |
| Water Source | Surface Water Purchased |
| Activity Status | Active |
| Owner Type | Private |
| EPA Region | 10 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Mar 12, 1979 |
| Last Reported | Dec 23, 2025 |
Location & Contact
| State | Oregon |
| City | GASTON |
| ZIP Code | 97119 |
| Address | 23055 NE ALBERTSON RD |
| Organization | LA WATER CO-OP |
| Phone | 503-662-3899 |
Population & Service
| Population Served | 2,500 |
| Service Connections | 803 |
Drinking Water Violations (37)
This water system has 37 violations recorded in the EPA SDWIS database.
| Begin Date | End Date | Contaminant | Category | Health-Based | Major | Measured | Federal MCL | State MCL | Status | Return to Compliance | Rule |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan 1, 2025 | Mar 31, 2025 | Total Haloacetic Acids (HAA5) | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Mar 31, 2025 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2025 | Mar 31, 2025 | TTHM | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Mar 31, 2025 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2024 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Jul 25, 2024 | Consumer Confidence Rule |
| Apr 1, 2023 | Jun 30, 2023 | Total Haloacetic Acids (HAA5) | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Jun 30, 2023 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Apr 1, 2023 | Jun 30, 2023 | TTHM | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Jun 30, 2023 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2022 | Sep 30, 2022 | TTHM | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Sep 30, 2022 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2022 | Sep 30, 2022 | Total Haloacetic Acids (HAA5) | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Sep 30, 2022 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Apr 1, 2018 | Jun 30, 2018 | TTHM | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Jun 30, 2018 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Apr 1, 2018 | Jun 30, 2018 | Total Haloacetic Acids (HAA5) | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Jun 30, 2018 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Oct 1, 2017 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Aug 7, 2018 | Lead and Copper Rule |
| Jul 1, 2017 | Sep 30, 2017 | TTHM | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Sep 30, 2017 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2017 | Sep 30, 2017 | Total Haloacetic Acids (HAA5) | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Sep 30, 2017 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Apr 1, 2016 | Jun 30, 2016 | Total Haloacetic Acids (HAA5) | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Jun 30, 2016 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Apr 1, 2016 | Jun 30, 2016 | TTHM | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Jun 30, 2016 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2015 | Mar 31, 2015 | Total Haloacetic Acids (HAA5) | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Mar 31, 2015 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2015 | Mar 31, 2015 | TTHM | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Mar 31, 2015 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Dec 1, 2004 | Dec 31, 2004 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Dec 31, 2004 | Total Coliform Rule |
| Nov 1, 2003 | Nov 30, 2003 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Nov 30, 2003 | Total Coliform Rule |
| Nov 1, 2003 | Nov 30, 2003 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Nov 30, 2003 | Total Coliform Rule |
| Jan 2, 2002 | — | Lead and Copper Rule | TT | Yes | No | — | TT | — | Resolved | Jul 26, 2005 | Lead and Copper Rule |
| Jan 2, 2002 | — | Lead and Copper Rule | TT | Yes | No | — | TT | — | Resolved | Jul 26, 2005 | Lead and Copper Rule |
| Jan 2, 2002 | — | Lead and Copper Rule | TT | Yes | No | — | TT | — | Resolved | Jul 26, 2005 | Lead and Copper Rule |
| Jan 2, 2002 | — | Lead and Copper Rule | TT | Yes | No | — | TT | — | Resolved | Jul 26, 2005 | Lead and Copper Rule |
| Jan 2, 2002 | — | Lead and Copper Rule | TT | Yes | No | — | TT | — | Resolved | Jul 26, 2005 | Lead and Copper Rule |
| Jan 2, 2002 | — | Lead and Copper Rule | TT | Yes | No | — | TT | — | Resolved | Jul 26, 2005 | Lead and Copper Rule |
| Oct 1, 2000 | Oct 31, 2000 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Oct 31, 2000 | Total Coliform Rule |
| Oct 1, 2000 | Oct 31, 2000 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Oct 31, 2000 | Total Coliform Rule |
| Jun 1, 1997 | Sep 27, 2001 | Other | No | No | — | — | — | Resolved | Sep 27, 2001 | Miscellaneous Other Rules | |
| Dec 1, 1994 | Dec 31, 1994 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Dec 31, 1994 | Total Coliform Rule |
| Dec 1, 1994 | Dec 31, 1994 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Dec 31, 1994 | Total Coliform Rule |
| Jul 1, 1994 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Jun 22, 1995 | Lead and Copper Rule |
| Jul 1, 1994 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Jun 22, 1995 | Lead and Copper Rule |
| Jul 1, 1994 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Jun 22, 1995 | Lead and Copper Rule |
| Jan 1, 1994 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Jan 31, 1995 | Lead and Copper Rule |
| Jan 1, 1994 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Jan 31, 1995 | Lead and Copper Rule |
| — | — | — | No | No | — | — | — | — | — | — | |
| — | — | — | No | No | — | — | — | — | — | — |
About This Water System
Public water system data comes from the EPA Safe Drinking Water Information System (SDWIS). Systems with violations must notify customers. Contact your water utility for the latest annual water quality report.