HORN SCHOOL REST AREA
Washington — Transient Non-Community — PWSID: WA53HD300
System Information
| PWSID | WA53HD300 |
| System Name | HORN SCHOOL REST AREA |
| System Type | Transient Non-Community |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | State |
| EPA Region | 10 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Feb 7, 1981 |
| Last Reported | Dec 11, 2025 |
Location & Contact
| State | Washington |
| City | Colfax |
| ZIP Code | 99111 |
| Address | PO Box 150 |
| Organization | HORN SCHOOL REST AREA |
| Phone | — |
Population & Service
| Population Served | 833 |
| Service Connections | 1 |
Drinking Water Violations (4)
This water system has 4 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jul 1, 2024 | Jul 31, 2024 | Revised Total Coliform Rule | MON | No | Yes | — | — | — | Resolved | Jul 31, 2024 | Revised Total Coliform Rule |
| Aug 1, 2013 | Aug 31, 2013 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Aug 31, 2013 | Total Coliform Rule |
| Oct 1, 2011 | Oct 31, 2011 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Oct 31, 2011 | Total Coliform Rule |
| Apr 1, 1995 | Apr 30, 1995 | Coliform (TCR) | MR | No | Yes | — | 5% of samples | — | Archived | Apr 30, 1995 | 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.