COULEE DAM WATER DEPT
Washington — Community Water System — PWSID: WA5315400
System Information
| PWSID | WA5315400 |
| System Name | COULEE DAM WATER DEPT |
| System Type | Community Water System |
| Water Source | Surface Water |
| Activity Status | Active |
| Owner Type | Local |
| EPA Region | 10 |
| Serves School | No |
| Wholesaler | Yes |
| First Reported | Feb 7, 1981 |
| Last Reported | Dec 11, 2025 |
Location & Contact
| State | Washington |
| City | Coulee Dam |
| ZIP Code | 99116 |
| Address | 300 Lincoln Ave |
| Organization | COULEE DAM WATER DEPT |
| Phone | — |
Population & Service
| Population Served | 1,359 |
| Service Connections | 628 |
Drinking Water Violations (3)
This water system has 3 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, 2015 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Sep 22, 2015 | Consumer Confidence Rule |
| Jan 1, 1992 | Dec 31, 2001 | Surface Water Treatment Rule | TT | Yes | No | — | — | — | Resolved | Dec 31, 2001 | Surface Water Treatment Rule |
| Jan 1, 1992 | Dec 31, 2001 | Surface Water Treatment Rule | TT | Yes | No | — | — | — | Resolved | Dec 31, 2001 | Surface Water Treatment 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.