CUYAMACA
Washington — Community Water System — PWSID: 105300089
System Information
| PWSID | 105300089 |
| System Name | CUYAMACA |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Native American |
| EPA Region | 10 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Aug 30, 1994 |
| Last Reported | Dec 30, 2025 |
Location & Contact
| State | Washington |
| City | OLYMPIA |
| ZIP Code | 98513 |
| Address | 4820 SHE-NAH-NUM DR. S.E. |
| Organization | BERKSON, TONY |
| Phone | 360-456-5221 |
Population & Service
| Population Served | 375 |
| Service Connections | 71 |
Drinking Water Violations (411)
This water system has 411 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Oct 17, 2024 | — | LEAD AND COPPER RULE REVISIONS | TT | Yes | No | — | — | — | Resolved | May 1, 2025 | Lead and Copper Rule Revisions |
| Jan 1, 2024 | Dec 31, 2024 | TTHM | MR | No | Yes | — | 0.080 mg/L | — | Archived | Dec 31, 2024 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Oct 1, 2023 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Oct 30, 2023 | Lead and Copper Rule |
| Jan 1, 2023 | Dec 31, 2023 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2023 | Nitrate Rule |
| Mar 1, 2022 | Mar 31, 2022 | Revised Total Coliform Rule | MON | No | Yes | — | — | — | Resolved | Mar 31, 2022 | Revised Total Coliform Rule |
| Oct 1, 2020 | Oct 31, 2020 | Revised Total Coliform Rule | MON | No | Yes | — | — | — | Resolved | Oct 31, 2020 | Revised Total Coliform Rule |
| Jan 1, 2020 | Dec 31, 2022 | Total Haloacetic Acids (HAA5) | MR | No | Yes | — | 0.060 mg/L | — | Archived | Dec 31, 2022 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2008 | Dec 31, 2010 | Asbestos | MR | No | Yes | — | 7 MFL | — | Resolved | Dec 31, 2010 | Inorganic Chemicals |
| Jul 1, 2006 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Mar 3, 2011 | Consumer Confidence Rule |
| Jan 1, 2006 | Dec 31, 2006 | Total Haloacetic Acids (HAA5) | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Dec 31, 2006 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2006 | Dec 31, 2006 | TTHM | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Dec 31, 2006 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Dec 1, 2005 | Dec 31, 2005 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Dec 31, 2005 | Total Coliform Rule |
| Sep 1, 2005 | Sep 30, 2005 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Sep 30, 2005 | Total Coliform Rule |
| Jul 1, 2005 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Mar 3, 2011 | Consumer Confidence Rule |
| Jul 1, 2005 | Jul 31, 2005 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Archived | Jul 31, 2005 | Total Coliform Rule |
| Jun 1, 2005 | Jun 30, 2005 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jun 30, 2005 | Total Coliform Rule |
| May 1, 2005 | May 31, 2005 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | May 31, 2005 | Total Coliform Rule |
| Mar 1, 2005 | Mar 31, 2005 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Mar 31, 2005 | Total Coliform Rule |
| Jan 1, 2005 | Dec 31, 2005 | TTHM | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Dec 31, 2005 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2005 | Dec 31, 2007 | Tetrachloroethylene | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2007 | Volatile Organic Chemicals |
| Jan 1, 2005 | Dec 31, 2005 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2005 | Nitrate Rule |
| Jan 1, 2005 | Dec 31, 2005 | Total Haloacetic Acids (HAA5) | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Dec 31, 2005 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2005 | Dec 31, 2007 | Xylenes, Total | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2007 | Volatile Organic Chemicals |
| Dec 1, 2004 | Dec 31, 2004 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Dec 31, 2004 | Total Coliform Rule |
| Sep 1, 2004 | Sep 30, 2004 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Sep 30, 2004 | Total Coliform Rule |
| Jul 1, 2004 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Mar 3, 2011 | Consumer Confidence Rule |
| Jun 1, 2004 | Jun 30, 2004 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jun 30, 2004 | Total Coliform Rule |
| Mar 1, 2004 | Mar 31, 2004 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Mar 31, 2004 | Total Coliform Rule |
| Jan 1, 2004 | Dec 31, 2004 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2004 | Nitrate Rule |
| Jan 1, 2004 | Jan 31, 2004 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jan 31, 2004 | Total Coliform Rule |
| Dec 1, 2003 | Dec 31, 2003 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Dec 31, 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 |
| Jul 1, 2003 | Jul 31, 2003 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jul 31, 2003 | Total Coliform Rule |
| Apr 1, 2003 | Apr 30, 2003 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Apr 30, 2003 | Total Coliform Rule |
| Aug 1, 2002 | Aug 31, 2002 | Coliform (TCR) | MR | No | Yes | — | 5% of samples | — | Archived | Aug 31, 2002 | Total Coliform Rule |
| Jul 1, 2002 | Jul 31, 2002 | Coliform (TCR) | MR | No | Yes | — | 5% of samples | — | Archived | Jul 31, 2002 | Total Coliform Rule |
| Jan 1, 2002 | Dec 31, 2004 | Benzene | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2004 | Volatile Organic Chemicals |
| Jan 1, 2002 | Jan 31, 2002 | Coliform (TCR) | MR | No | Yes | — | 5% of samples | — | Archived | Jan 31, 2002 | Total Coliform Rule |
| Jan 1, 2002 | Dec 31, 2004 | Atrazine | MR | No | Yes | — | 0.003 mg/L | — | Resolved | Dec 31, 2004 | Synthetic Organic Chemicals |
| Jan 1, 2002 | Dec 31, 2004 | Antimony, Total | MR | No | Yes | — | 0.006 mg/L | — | Resolved | Dec 31, 2004 | Inorganic Chemicals |
| Jan 1, 2002 | Dec 31, 2004 | Atrazine | MR | No | Yes | — | 0.003 mg/L | — | Resolved | Dec 31, 2004 | Synthetic Organic Chemicals |
| Jan 1, 2002 | Dec 31, 2004 | Benzene | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2004 | Volatile Organic Chemicals |
| Nov 1, 2001 | Nov 30, 2001 | Coliform (TCR) | MR | No | Yes | — | 5% of samples | — | Archived | Nov 30, 2001 | Total Coliform Rule |
| May 1, 2000 | May 31, 2000 | Coliform (TCR) | MR | No | Yes | — | 5% of samples | — | Archived | May 31, 2000 | Total Coliform Rule |
| May 1, 2000 | May 31, 2000 | Coliform (TCR) | MR | No | Yes | — | 5% of samples | — | Archived | May 31, 2000 | Total Coliform Rule |
| Apr 1, 2000 | Apr 30, 2000 | Coliform (TCR) | MR | No | Yes | — | 5% of samples | — | Archived | Apr 30, 2000 | Total Coliform Rule |
| Apr 1, 2000 | Apr 30, 2000 | Coliform (TCR) | MR | No | Yes | — | 5% of samples | — | Archived | Apr 30, 2000 | Total Coliform Rule |
| Feb 1, 2000 | Feb 29, 2000 | Coliform (TCR) | MR | No | Yes | — | 5% of samples | — | Archived | Feb 29, 2000 | Total Coliform Rule |
| Feb 1, 2000 | Feb 29, 2000 | Coliform (TCR) | MR | No | Yes | — | 5% of samples | — | Archived | Feb 29, 2000 | Total Coliform Rule |
| Feb 1, 2000 | Feb 29, 2000 | Coliform (TCR) | MR | No | Yes | — | 5% of samples | — | Archived | Feb 29, 2000 | Total Coliform Rule |
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.