KOOSKIA WATER DEPT
Idaho — Community Water System — PWSID: ID2250032
System Information
| PWSID | ID2250032 |
| System Name | KOOSKIA WATER DEPT |
| 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 | KOOSKIA |
| ZIP Code | 83539 |
| Address | PO BOX 126 |
| Organization | MARTINEZ, CARLOS |
| Phone | 208-926-4751 |
Population & Service
| Population Served | 607 |
| Service Connections | 417 |
Drinking Water Violations (13)
This water system has 13 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Nov 2, 2022 | — | MR | No | Yes | — | — | — | Resolved | Aug 24, 2023 | — | |
| Nov 2, 2022 | — | MR | No | Yes | — | — | — | Resolved | Aug 24, 2023 | — | |
| Nov 2, 2022 | — | MR | No | Yes | — | — | — | Resolved | Aug 24, 2023 | — | |
| Jan 1, 2016 | Jan 31, 2016 | MR | No | No | — | 5% of samples | — | Resolved | Jan 31, 2016 | — | |
| Jan 1, 2016 | Jan 31, 2016 | MR | No | No | — | 5% of samples | — | Resolved | Jan 31, 2016 | — | |
| Jan 1, 2016 | Jan 31, 2016 | MR | No | No | — | 5% of samples | — | Resolved | Jan 31, 2016 | — | |
| Apr 1, 1995 | Apr 30, 1995 | MCL | Yes | No | — | 5% of samples | — | Archived | Apr 30, 1995 | — | |
| Aug 1, 1994 | Aug 31, 1994 | MCL | Yes | No | — | 5% of samples | — | Archived | Aug 31, 1994 | — | |
| Jun 1, 1993 | Jun 30, 1993 | MCL | Yes | No | — | 5% of samples | — | Archived | Jun 30, 1993 | — | |
| Jun 1, 1993 | Jun 30, 1993 | MCL | Yes | No | — | 5% of samples | — | Archived | Jun 30, 1993 | — | |
| May 1, 1992 | May 31, 1992 | MR | No | Yes | — | 5% of samples | — | Archived | May 31, 1992 | — | |
| May 1, 1991 | May 31, 1991 | MCL | Yes | No | — | 5% of samples | — | Archived | May 31, 1991 | — | |
| Oct 1, 1979 | Oct 31, 1979 | MR | No | No | — | 15 pCi/L | — | Archived | Oct 31, 1979 | — |
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.