GRAND COULEE WATER DEPT CITY OF
Washington - Community Water System - PWSID: WA5328700
System Information
| PWSID | WA5328700 |
| System Name | GRAND COULEE WATER DEPT CITY OF |
| System Type | Community Water System |
| Water Source | Ground Water Purchased |
| Activity Status | Active |
| Owner Type | Local |
| EPA Region | 10 |
| Serves School | No |
| Wholesaler | Yes |
| First Reported | Feb 7, 1981 |
| Last Reported | Mar 26, 2026 |
Location & Contact
| State | Washington |
| City | Grand Coulee |
| ZIP Code | 99133 |
| Address | PO Box 180 |
| Organization | GRAND COULEE WATER DEPT CITY OF |
| Phone | - |
Population & Service
| Population Served | 1,428 |
| Service Connections | 662 |
Drinking Water Violations (11)
This water system has 11 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, 2010 | - | Other | No | No | - | - | - | Resolved | Oct 13, 2010 | - | |
| Jan 1, 2000 | Jan 1, 2001 | MR | No | No | - | TT | - | Archived | Jan 1, 2001 | - | |
| Jan 1, 1992 | - | TT | Yes | No | - | - | - | Resolved | Mar 8, 2006 | - | |
| Jan 1, 1992 | - | TT | Yes | No | - | - | - | Resolved | Mar 8, 2006 | - | |
| Jan 1, 1992 | - | TT | Yes | No | - | - | - | Resolved | Mar 8, 2006 | - | |
| Jan 1, 1992 | - | TT | Yes | No | - | - | - | Resolved | Mar 8, 2006 | - | |
| Jan 1, 1992 | - | TT | Yes | No | - | - | - | Resolved | Mar 8, 2006 | - | |
| Oct 1, 1979 | Oct 31, 1979 | MR | No | No | - | 15 pCi/L | - | Archived | Oct 31, 1979 | - | |
| - | - | - | 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.