Monse-Riggan Camp
Washington — Community Water System — PWSID: WA53AC141
System Information
| PWSID | WA53AC141 |
| System Name | Monse-Riggan Camp |
| 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 | Nov 25, 2008 |
| Last Reported | Mar 26, 2026 |
Location & Contact
| State | Washington |
| City | Brewster |
| ZIP Code | 98812 |
| Address | PO Box 7 |
| Organization | Monse-Riggan Camp |
| Phone | — |
Population & Service
| Population Served | 1,165 |
| Service Connections | 8 |
Drinking Water Violations (15)
This water system has 15 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 | MON | No | Yes | — | — | — | Resolved | Dec 31, 2025 | — | |
| Jul 1, 2025 | — | MR | No | No | — | TT | — | Unaddressed | — | — | |
| Oct 1, 2023 | Oct 31, 2023 | MON | No | Yes | — | — | — | Resolved | Oct 31, 2023 | — | |
| Sep 1, 2023 | Sep 30, 2023 | MON | No | Yes | — | — | — | Resolved | Sep 30, 2023 | — | |
| Aug 1, 2023 | Aug 31, 2023 | MON | No | Yes | — | — | — | Resolved | Aug 31, 2023 | — | |
| Aug 1, 2023 | Aug 31, 2023 | MON | No | Yes | — | — | — | Resolved | Aug 31, 2023 | — | |
| Jul 1, 2023 | Jul 31, 2023 | MON | No | Yes | — | — | — | Resolved | Jul 31, 2023 | — | |
| Jul 1, 2023 | Jul 31, 2023 | MON | No | Yes | — | — | — | Resolved | Jul 31, 2023 | — | |
| Jun 1, 2023 | Jun 30, 2023 | MON | No | Yes | — | — | — | Resolved | Jun 30, 2023 | — | |
| Jun 1, 2023 | Jun 30, 2023 | MON | No | Yes | — | — | — | Resolved | Jun 30, 2023 | — | |
| May 1, 2023 | May 31, 2023 | MON | No | Yes | — | — | — | Resolved | May 31, 2023 | — | |
| May 1, 2023 | May 31, 2023 | MON | No | Yes | — | — | — | Resolved | May 31, 2023 | — | |
| Apr 1, 2023 | Apr 30, 2023 | MON | No | Yes | — | — | — | Resolved | Apr 30, 2023 | — | |
| Apr 1, 2023 | Apr 30, 2023 | MON | No | Yes | — | — | — | Resolved | Apr 30, 2023 | — | |
| Jan 1, 2022 | Dec 31, 2022 | MCL | Yes | No | 13.8 MG/L | 10 mg/L | — | Resolved | Dec 31, 2022 | — |
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.