TEKOA CITY OF
Washington — Community Water System — PWSID: WA5387300
System Information
| PWSID | WA5387300 |
| System Name | TEKOA CITY OF |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Local |
| EPA Region | 10 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Feb 7, 1981 |
| Last Reported | Dec 11, 2025 |
Location & Contact
| State | Washington |
| City | Tekoa |
| ZIP Code | 99033 |
| Address | 419 N Washington |
| Organization | TEKOA CITY OF |
| Phone | — |
Population & Service
| Population Served | 1,076 |
| Service Connections | 456 |
Drinking Water Violations (66)
This water system has 66 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jul 1, 2024 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Feb 19, 2025 | Consumer Confidence Rule |
| Jul 1, 2023 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Feb 19, 2025 | Consumer Confidence Rule |
| Sep 1, 2022 | Sep 30, 2022 | Revised Total Coliform Rule | MON | No | No | — | — | — | Resolved | Sep 30, 2022 | Revised Total Coliform Rule |
| May 1, 2021 | May 31, 2021 | Revised Total Coliform Rule | MON | No | Yes | — | — | — | Resolved | May 31, 2021 | Revised Total Coliform Rule |
| Jan 1, 2020 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Jun 27, 2023 | Lead and Copper Rule |
| Sep 1, 2019 | Sep 30, 2019 | Revised Total Coliform Rule | MON | No | Yes | — | — | — | Resolved | Sep 30, 2019 | Revised Total Coliform Rule |
| Jan 1, 2018 | Dec 31, 2018 | Total Haloacetic Acids (HAA5) | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Dec 31, 2018 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2018 | Dec 31, 2018 | TTHM | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Dec 31, 2018 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2017 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Oct 9, 2017 | Consumer Confidence Rule |
| Jan 1, 2015 | Dec 31, 2015 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2015 | Nitrate Rule |
| Jul 1, 2014 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Oct 15, 2014 | Consumer Confidence Rule |
| Jan 1, 2014 | Dec 31, 2014 | TTHM | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Dec 31, 2014 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2013 | Dec 31, 2013 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2013 | Nitrate Rule |
| Jun 1, 2012 | Jun 30, 2012 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jun 30, 2012 | Total Coliform Rule |
| Jul 1, 2010 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Oct 14, 2010 | Consumer Confidence Rule |
| Jan 1, 2008 | Dec 31, 2010 | Barium | MR | No | Yes | — | 2 mg/L | — | Resolved | Dec 31, 2010 | Inorganic Chemicals |
| Jan 1, 2008 | Dec 31, 2008 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2008 | Nitrate Rule |
| Jan 1, 2008 | Dec 31, 2010 | Nickel | MR | No | Yes | — | — | — | Resolved | Dec 31, 2010 | Inorganic Chemicals |
| Jan 1, 2008 | Dec 31, 2008 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2008 | Nitrate Rule |
| Jan 1, 2008 | Dec 31, 2010 | Beryllium, Total | MR | No | Yes | — | 0.004 mg/L | — | Resolved | Dec 31, 2010 | Inorganic Chemicals |
| Jan 1, 2008 | Dec 31, 2010 | Thallium, Total | MR | No | Yes | — | 0.002 mg/L | — | Resolved | Dec 31, 2010 | Inorganic Chemicals |
| Jan 1, 2008 | Dec 31, 2008 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2008 | Nitrate Rule |
| Jan 1, 2008 | Dec 31, 2008 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2008 | Nitrate Rule |
| Jan 1, 2008 | Dec 31, 2008 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2008 | Nitrate Rule |
| Jan 1, 2008 | Dec 31, 2008 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2008 | Nitrate Rule |
| Jan 1, 2008 | Dec 31, 2008 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2008 | Nitrate Rule |
| Jan 1, 2008 | Dec 31, 2010 | Chromium | MR | No | Yes | — | 0.1 mg/L | — | Resolved | Dec 31, 2010 | Inorganic Chemicals |
| Jan 1, 2008 | Dec 31, 2010 | Cadmium | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2010 | Inorganic Chemicals |
| Jan 1, 2008 | Dec 31, 2010 | CYANIDE | MR | No | Yes | — | 0.2 mg/L | — | Resolved | Dec 31, 2010 | Inorganic Chemicals |
| Jan 1, 2008 | Dec 31, 2010 | Fluoride | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Dec 31, 2010 | Inorganic Chemicals |
| Jan 1, 2008 | Dec 31, 2010 | Arsenic | MR | No | Yes | — | 0.010 mg/L | — | Resolved | Dec 31, 2010 | Arsenic Rule |
| Jan 1, 2008 | Dec 31, 2010 | Mercury | MR | No | Yes | — | 0.002 mg/L | — | Resolved | Dec 31, 2010 | Inorganic Chemicals |
| Jan 1, 2008 | Dec 31, 2010 | Selenium | MR | No | Yes | — | 0.05 mg/L | — | Resolved | Dec 31, 2010 | Inorganic Chemicals |
| Jan 1, 2008 | Dec 31, 2010 | Antimony, Total | MR | No | Yes | — | 0.006 mg/L | — | Resolved | Dec 31, 2010 | Inorganic Chemicals |
| May 1, 2006 | May 31, 2006 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Archived | May 31, 2006 | Total Coliform Rule |
| Nov 1, 2004 | Nov 30, 2004 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Archived | Nov 30, 2004 | Total Coliform Rule |
| Oct 1, 2004 | Dec 31, 2004 | 1,1,2-Trichloroethane | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2004 | Volatile Organic Chemicals |
| Oct 1, 2004 | Dec 31, 2004 | 1,1-Dichloroethylene | MR | No | Yes | — | 0.007 mg/L | — | Resolved | Dec 31, 2004 | Volatile Organic Chemicals |
| Oct 1, 2004 | Dec 31, 2004 | CHLOROBENZENE | MR | No | Yes | — | 0.1 mg/L | — | Resolved | Dec 31, 2004 | Volatile Organic Chemicals |
| Oct 1, 2004 | Dec 31, 2004 | Tetrachloroethylene | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2004 | Volatile Organic Chemicals |
| Oct 1, 2004 | Dec 31, 2004 | Trichloroethylene | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2004 | Volatile Organic Chemicals |
| Oct 1, 2004 | Dec 31, 2004 | 1,2-Dichloroethane | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2004 | Volatile Organic Chemicals |
| Oct 1, 2004 | Dec 31, 2004 | Styrene | MR | No | Yes | — | 0.1 mg/L | — | Resolved | Dec 31, 2004 | Volatile Organic Chemicals |
| Oct 1, 2004 | Dec 31, 2004 | 1,2-Dichloropropane | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2004 | Volatile Organic Chemicals |
| Oct 1, 2004 | Dec 31, 2004 | cis-1,2-Dichloroethylene | MR | No | Yes | — | 0.07 mg/L | — | Resolved | Dec 31, 2004 | Volatile Organic Chemicals |
| Oct 1, 2004 | Dec 31, 2004 | 1,1,1-Trichloroethane | MR | No | Yes | — | 0.2 mg/L | — | Resolved | Dec 31, 2004 | Volatile Organic Chemicals |
| Oct 1, 2004 | Dec 31, 2004 | DICHLOROMETHANE | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2004 | Volatile Organic Chemicals |
| Oct 1, 2004 | Dec 31, 2004 | o-Dichlorobenzene | MR | No | Yes | — | 0.6 mg/L | — | Resolved | Dec 31, 2004 | Volatile Organic Chemicals |
| Oct 1, 2004 | Dec 31, 2004 | p-Dichlorobenzene | MR | No | Yes | — | 0.075 mg/L | — | Resolved | Dec 31, 2004 | Volatile Organic Chemicals |
| Oct 1, 2004 | Dec 31, 2004 | Vinyl chloride | MR | No | Yes | — | 0.002 mg/L | — | Resolved | Dec 31, 2004 | Volatile Organic Chemicals |
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.