PATTERSON SCHOOL
Idaho — Non-Transient Non-Community — PWSID: ID7300030
System Information
| PWSID | ID7300030 |
| System Name | PATTERSON SCHOOL |
| System Type | Non-Transient Non-Community |
| Water Source | Ground Water |
| Activity Status | Non-Inventory |
| Owner Type | Private |
| EPA Region | 10 |
| Serves School | Yes |
| Wholesaler | No |
| First Reported | Mar 13, 1980 |
| Last Reported | Mar 25, 2026 |
Location & Contact
| State | Idaho |
| City | CHALLIS |
| ZIP Code | 83226 |
| Address | PO BOX 304 |
| Organization | — |
| Phone | 208-879-4231 |
Population & Service
| Population Served | 1 |
| Service Connections | 1 |
Drinking Water Violations (10)
This water system has 10 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Feb 1, 1997 | Feb 28, 1997 | MR | No | No | — | 5% of samples | — | Archived | Feb 28, 1997 | — | |
| Feb 1, 1997 | Feb 28, 1997 | MR | No | No | — | 5% of samples | — | Archived | Feb 28, 1997 | — | |
| Oct 1, 1996 | Oct 31, 1996 | MR | No | No | — | 5% of samples | — | Archived | Oct 31, 1996 | — | |
| Sep 1, 1995 | Sep 30, 1995 | MR | No | Yes | — | 5% of samples | — | Archived | Sep 30, 1995 | — | |
| Jul 1, 1994 | Sep 30, 1994 | MR | No | Yes | — | 5% of samples | — | Archived | Sep 30, 1994 | — | |
| Jul 1, 1991 | Sep 30, 1991 | MR | No | Yes | — | 5% of samples | — | Archived | Sep 30, 1991 | — | |
| — | — | — | No | No | — | — | — | — | — | — | |
| — | — | — | No | No | — | — | — | — | — | — | |
| — | — | — | No | No | — | — | — | — | — | — | |
| — | — | — | 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.