AFC RANCH 1
Washington — Community Water System — PWSID: WA5303427
System Information
| PWSID | WA5303427 |
| System Name | AFC RANCH 1 |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Private |
| 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 | AFC RANCH 1 |
| Phone | — |
Population & Service
| Population Served | 217 |
| Service Connections | 55 |
Drinking Water Violations (19)
This water system has 19 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, 2008 | Dec 31, 2008 | Nitrate | MCL | Yes | No | 14.6 MG/L | 10 mg/L | — | Resolved | Dec 31, 2008 | Nitrate Rule |
| Jan 1, 2008 | Dec 31, 2008 | Nitrate | MCL | Yes | No | 14.6 MG/L | 10 mg/L | — | Resolved | Dec 31, 2008 | Nitrate Rule |
| Jan 1, 2008 | Dec 31, 2008 | Nitrate | MCL | Yes | No | 14.6 MG/L | 10 mg/L | — | Resolved | Dec 31, 2008 | Nitrate Rule |
| Jan 1, 2008 | Dec 31, 2008 | Nitrate | MCL | Yes | No | 14.6 MG/L | 10 mg/L | — | Resolved | Dec 31, 2008 | Nitrate Rule |
| Jan 1, 2008 | Dec 31, 2008 | Nitrate | MCL | Yes | No | 14.6 MG/L | 10 mg/L | — | Resolved | Dec 31, 2008 | Nitrate Rule |
| Jan 1, 2008 | Dec 31, 2008 | Nitrate | MCL | Yes | No | 14.6 MG/L | 10 mg/L | — | Resolved | Dec 31, 2008 | Nitrate Rule |
| Jan 1, 2005 | Dec 31, 2007 | Diquat | MR | No | Yes | — | 0.02 mg/L | — | Resolved | Dec 31, 2007 | Synthetic Organic Chemicals |
| Jan 1, 2005 | Dec 31, 2007 | Diquat | MR | No | Yes | — | 0.02 mg/L | — | Resolved | Dec 31, 2007 | Synthetic Organic Chemicals |
| Jan 1, 2005 | Dec 31, 2007 | Diquat | MR | No | Yes | — | 0.02 mg/L | — | Resolved | Dec 31, 2007 | Synthetic Organic Chemicals |
| Jan 1, 2005 | Dec 31, 2007 | Diquat | MR | No | Yes | — | 0.02 mg/L | — | Resolved | Dec 31, 2007 | Synthetic Organic Chemicals |
| Jan 1, 2005 | Dec 31, 2007 | Diquat | MR | No | Yes | — | 0.02 mg/L | — | Resolved | Dec 31, 2007 | Synthetic Organic Chemicals |
| Oct 1, 2004 | Dec 31, 2004 | Nitrate | MCL | Yes | No | 16.5 | 10 mg/L | — | Resolved | Dec 31, 2004 | Nitrate Rule |
| Apr 1, 2004 | Jun 30, 2004 | Nitrate | MCL | Yes | No | 13.4 | 10 mg/L | — | Resolved | Jun 30, 2004 | Nitrate Rule |
| Jan 1, 2004 | Mar 31, 2004 | Nitrate | MCL | Yes | No | 16.2 | 10 mg/L | — | Resolved | Mar 31, 2004 | Nitrate Rule |
| Oct 1, 2003 | Dec 31, 2003 | Nitrate | MCL | Yes | No | 15 | 10 mg/L | — | Resolved | Dec 31, 2003 | Nitrate Rule |
| Jan 1, 2003 | Dec 31, 2003 | Nitrate | MCL | Yes | No | 14.4 | 10 mg/L | — | Resolved | Jul 31, 2003 | Nitrate Rule |
| Jan 1, 1999 | Jan 1, 2000 | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Jan 1, 2000 | Lead and Copper Rule |
| Sep 1, 1996 | Sep 30, 1996 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Archived | Sep 30, 1996 | Total Coliform Rule |
| Nov 1, 1991 | Nov 30, 1991 | Coliform (TCR) | MR | No | Yes | — | 5% of samples | — | Archived | Nov 30, 1991 | 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.