INCHELIUM WATER DISTRICT
Washington — Community Water System — PWSID: WA5335550
System Information
| PWSID | WA5335550 |
| System Name | INCHELIUM WATER DISTRICT |
| 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 | Tonasket |
| ZIP Code | 98855-9433 |
| Address | 4 Norway Pines Dr |
| Organization | INCHELIUM WATER DISTRICT |
| Phone | — |
Population & Service
| Population Served | 540 |
| Service Connections | 246 |
Drinking Water Violations (109)
This water system has 109 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| May 1, 2023 | May 31, 2023 | Revised Total Coliform Rule | MON | No | Yes | — | — | — | Resolved | May 31, 2023 | Revised Total Coliform Rule |
| Oct 1, 2022 | Oct 31, 2022 | Revised Total Coliform Rule | MCL | Yes | No | — | — | — | Resolved | Oct 31, 2022 | Revised Total Coliform Rule |
| Jul 1, 2021 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Oct 15, 2021 | Consumer Confidence Rule |
| Jul 1, 2020 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Oct 30, 2020 | Consumer Confidence Rule |
| Jul 1, 2019 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Oct 1, 2019 | 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 | Mar 31, 2013 | Arsenic | MCL | Yes | No | .0125 MG/L | 0.010 mg/L | — | Resolved | Mar 31, 2013 | Arsenic Rule |
| Oct 1, 2012 | Dec 31, 2012 | Arsenic | MCL | Yes | No | .013 MG/L | 0.010 mg/L | — | Resolved | Dec 31, 2012 | Arsenic Rule |
| Jul 1, 2012 | Sep 30, 2012 | Arsenic | MCL | Yes | No | .0138 MG/L | 0.010 mg/L | — | Resolved | Sep 30, 2012 | Arsenic Rule |
| Apr 1, 2012 | Jun 30, 2012 | Arsenic | MCL | Yes | No | .0135 MG/L | 0.010 mg/L | — | Resolved | Jun 30, 2012 | Arsenic Rule |
| Jan 1, 2012 | Mar 31, 2012 | Arsenic | MCL | Yes | No | .0135 MG/L | 0.010 mg/L | — | Resolved | Mar 31, 2012 | Arsenic Rule |
| Jan 1, 2008 | Dec 31, 2010 | Benzene | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2010 | Volatile Organic Chemicals |
| Jan 1, 2008 | Dec 31, 2010 | Vinyl chloride | MR | No | Yes | — | 0.002 mg/L | — | Resolved | Dec 31, 2010 | Volatile Organic Chemicals |
| Jan 1, 2008 | Dec 31, 2010 | DICHLOROMETHANE | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2010 | Volatile Organic Chemicals |
| Jan 1, 2008 | Dec 31, 2010 | 1,2,4-Trichlorobenzene | MR | No | Yes | — | 0.07 mg/L | — | Resolved | Dec 31, 2010 | Volatile Organic Chemicals |
| Jan 1, 2008 | Dec 31, 2010 | 1,1,1-Trichloroethane | MR | No | Yes | — | 0.2 mg/L | — | Resolved | Dec 31, 2010 | Volatile Organic Chemicals |
| Jan 1, 2008 | Dec 31, 2010 | trans-1,2-Dichloroethylene | MR | No | Yes | — | 0.1 mg/L | — | Resolved | Dec 31, 2010 | Volatile Organic Chemicals |
| Jan 1, 2008 | Dec 31, 2010 | Styrene | MR | No | Yes | — | 0.1 mg/L | — | Resolved | Dec 31, 2010 | Volatile Organic Chemicals |
| Jan 1, 2008 | Dec 31, 2010 | Ethylbenzene | MR | No | Yes | — | 0.7 mg/L | — | Resolved | Dec 31, 2010 | Volatile Organic Chemicals |
| Jan 1, 2008 | Dec 31, 2010 | Toluene | MR | No | Yes | — | 1 mg/L | — | Resolved | Dec 31, 2010 | Volatile Organic Chemicals |
| Jan 1, 2008 | Dec 31, 2010 | CHLOROBENZENE | MR | No | Yes | — | 0.1 mg/L | — | Resolved | Dec 31, 2010 | Volatile Organic Chemicals |
| Jan 1, 2008 | Dec 31, 2010 | Tetrachloroethylene | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2010 | Volatile Organic Chemicals |
| Jan 1, 2008 | Dec 31, 2010 | 1,1,2-Trichloroethane | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2010 | Volatile Organic Chemicals |
| Jan 1, 2008 | Dec 31, 2010 | Trichloroethylene | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2010 | Volatile Organic Chemicals |
| Jan 1, 2008 | Dec 31, 2010 | 1,2-Dichloropropane | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2010 | Volatile Organic Chemicals |
| Jan 1, 2008 | Dec 31, 2010 | Carbon tetrachloride | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2010 | Volatile Organic Chemicals |
| Jan 1, 2008 | Dec 31, 2010 | 1,2-Dichloroethane | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2010 | Volatile Organic Chemicals |
| Jan 1, 2008 | Mar 31, 2008 | Arsenic | MR | No | Yes | — | 0.010 mg/L | — | Resolved | Mar 31, 2008 | Arsenic Rule |
| Jan 1, 2008 | Mar 31, 2008 | Arsenic | MR | No | Yes | — | 0.010 mg/L | — | Resolved | Mar 31, 2008 | Arsenic Rule |
| Jan 1, 2008 | Mar 31, 2008 | Arsenic | MR | No | Yes | — | 0.010 mg/L | — | Resolved | Mar 31, 2008 | Arsenic Rule |
| Jan 1, 2008 | Mar 31, 2008 | Arsenic | MR | No | Yes | — | 0.010 mg/L | — | Resolved | Mar 31, 2008 | Arsenic Rule |
| Jan 1, 2008 | Mar 31, 2008 | Arsenic | MR | No | Yes | — | 0.010 mg/L | — | Resolved | Mar 31, 2008 | Arsenic Rule |
| Jan 1, 2008 | Mar 31, 2008 | Arsenic | MR | No | Yes | — | 0.010 mg/L | — | Resolved | Mar 31, 2008 | Arsenic Rule |
| Jan 1, 2008 | Mar 31, 2008 | Arsenic | MR | No | Yes | — | 0.010 mg/L | — | Resolved | Mar 31, 2008 | Arsenic Rule |
| Jan 1, 2008 | Mar 31, 2008 | Arsenic | MR | No | Yes | — | 0.010 mg/L | — | Resolved | Mar 31, 2008 | Arsenic Rule |
| Jan 1, 2008 | Dec 31, 2010 | cis-1,2-Dichloroethylene | MR | No | Yes | — | 0.07 mg/L | — | Resolved | Dec 31, 2010 | Volatile Organic Chemicals |
| Jan 1, 2008 | Dec 31, 2010 | o-Dichlorobenzene | MR | No | Yes | — | 0.6 mg/L | — | Resolved | Dec 31, 2010 | Volatile Organic Chemicals |
| Jan 1, 2008 | Dec 31, 2010 | p-Dichlorobenzene | MR | No | Yes | — | 0.075 mg/L | — | Resolved | Dec 31, 2010 | Volatile Organic Chemicals |
| Jan 1, 2008 | Dec 31, 2010 | 1,1-Dichloroethylene | MR | No | Yes | — | 0.007 mg/L | — | Resolved | Dec 31, 2010 | Volatile Organic Chemicals |
| Aug 1, 2004 | Aug 31, 2004 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Archived | Aug 31, 2004 | Total Coliform Rule |
| Jan 1, 2003 | Dec 31, 2003 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2003 | Nitrate Rule |
| Jul 1, 2002 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Jun 30, 2004 | Lead and Copper Rule |
| Jul 1, 2002 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Jun 30, 2004 | Lead and Copper Rule |
| Jul 1, 2002 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Jun 30, 2004 | Lead and Copper Rule |
| Jul 1, 2002 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Jun 30, 2004 | Lead and Copper Rule |
| Jul 1, 2002 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Jun 30, 2004 | Lead and Copper Rule |
| Jan 1, 2002 | Dec 31, 2004 | Beryllium, Total | MR | No | Yes | — | 0.004 mg/L | — | Resolved | Dec 31, 2004 | Inorganic Chemicals |
| Jan 1, 2002 | Dec 31, 2004 | ETHYLENE DIBROMIDE | MR | No | Yes | — | 0.00005 mg/L | — | Archived | Dec 31, 2004 | Synthetic Organic Chemicals |
| Jan 1, 2002 | Dec 31, 2004 | Beryllium, Total | MR | No | Yes | — | 0.004 mg/L | — | Resolved | Dec 31, 2004 | Inorganic Chemicals |
| Jan 1, 2002 | Dec 31, 2004 | Beryllium, Total | MR | No | Yes | — | 0.004 mg/L | — | Resolved | Dec 31, 2004 | Inorganic 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.