CLARK FORK CITY OF
Idaho — Community Water System — PWSID: ID1090018
System Information
| PWSID | ID1090018 |
| System Name | CLARK FORK 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 | Mar 13, 1980 |
| Last Reported | Mar 25, 2026 |
Location & Contact
| State | Idaho |
| City | CLARK FORK |
| ZIP Code | 83811 |
| Address | PO Box 10 |
| Organization | KING, KAT |
| Phone | 208-266-1315 |
Population & Service
| Population Served | 730 |
| Service Connections | 292 |
Drinking Water Violations (22)
This water system has 22 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Dec 1, 2025 | Dec 31, 2025 | MR | No | Yes | — | 4.0 mg/L | — | Archived | Dec 31, 2025 | — | |
| Nov 1, 2025 | Nov 30, 2025 | MON | No | Yes | — | — | — | Archived | Nov 30, 2025 | — | |
| Nov 1, 2025 | Nov 30, 2025 | MR | No | Yes | — | 4.0 mg/L | — | Archived | Nov 30, 2025 | — | |
| Oct 1, 2007 | Dec 31, 2007 | MR | No | Yes | — | 4.0 mg/L | — | Archived | Dec 31, 2007 | — | |
| Oct 1, 2007 | Oct 31, 2007 | MR | No | No | — | 5% of samples | — | Archived | Oct 31, 2007 | — | |
| Jan 1, 2007 | Dec 31, 2007 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2007 | — | |
| Jan 1, 2007 | Dec 31, 2007 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2007 | — | |
| Jan 1, 2005 | Dec 31, 2007 | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Dec 31, 2007 | — | |
| Jan 1, 2005 | Dec 31, 2007 | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Dec 31, 2007 | — | |
| Sep 1, 1998 | Sep 30, 1998 | MR | No | Yes | — | 5% of samples | — | Archived | Sep 30, 1998 | — | |
| Aug 1, 1998 | Aug 31, 1998 | MCL | Yes | No | — | 5% of samples | — | Archived | Aug 31, 1998 | — | |
| Jul 1, 1998 | Jul 31, 1998 | MCL | Yes | No | — | 5% of samples | — | Archived | Jul 31, 1998 | — | |
| Aug 1, 1997 | Aug 31, 1997 | MCL | Yes | No | — | 5% of samples | — | Archived | Aug 31, 1997 | — | |
| Oct 1, 1979 | Oct 31, 1979 | MR | No | No | — | 4.0 mg/L | — | Archived | Oct 31, 1979 | — | |
| Oct 1, 1979 | Oct 31, 1979 | MR | No | No | — | 0.010 mg/L | — | Archived | Oct 31, 1979 | — | |
| Oct 1, 1979 | Oct 31, 1979 | MR | No | No | — | 0.1 mg/L | — | Archived | Oct 31, 1979 | — | |
| Oct 1, 1979 | Oct 31, 1979 | MR | No | No | — | 0.005 mg/L | — | Archived | Oct 31, 1979 | — | |
| Oct 1, 1979 | Oct 31, 1979 | MR | No | No | — | 0.05 mg/L | — | Archived | Oct 31, 1979 | — | |
| Oct 1, 1979 | Oct 31, 1979 | MR | No | No | — | 2 mg/L | — | Archived | Oct 31, 1979 | — | |
| Oct 1, 1979 | Oct 31, 1979 | MR | No | No | — | 10 mg/L | — | Archived | Oct 31, 1979 | — | |
| Oct 1, 1979 | Oct 31, 1979 | MR | No | No | — | 0.002 mg/L | — | Archived | Oct 31, 1979 | — | |
| — | — | — | 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.