KING COUNTY WATER DISTRICT #54
Washington — Community Water System — PWSID: WA5339950
System Information
| PWSID | WA5339950 |
| System Name | KING COUNTY WATER DISTRICT #54 |
| System Type | Community Water System |
| Water Source | Surface Water Purchased |
| 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 | Des Moines |
| ZIP Code | 98189 |
| Address | 922 S 219th St |
| Organization | KING COUNTY WATER DISTRICT #54 |
| Phone | — |
Population & Service
| Population Served | 5,037 |
| Service Connections | 2,175 |
Drinking Water Violations (16)
This water system has 16 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jun 1, 2023 | Jun 30, 2023 | Revised Total Coliform Rule | MCL | Yes | No | — | — | — | Resolved | Jun 30, 2023 | Revised Total Coliform Rule |
| Jun 1, 2023 | Jun 30, 2023 | Revised Total Coliform Rule | MCL | Yes | No | — | — | — | Resolved | Jun 30, 2023 | Revised Total Coliform Rule |
| Sep 1, 2013 | Sep 30, 2013 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Sep 30, 2013 | Total Coliform Rule |
| Jul 1, 2012 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Oct 8, 2012 | Consumer Confidence Rule |
| Sep 1, 2006 | Sep 30, 2006 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Archived | Sep 30, 2006 | Total Coliform Rule |
| Apr 1, 2005 | Apr 30, 2005 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Archived | Apr 30, 2005 | Total Coliform Rule |
| Mar 1, 2005 | Mar 31, 2005 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Archived | Mar 31, 2005 | Total Coliform Rule |
| Jan 1, 2003 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Dec 31, 2003 | Lead and Copper Rule |
| Jan 1, 2003 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Dec 31, 2003 | Lead and Copper Rule |
| Jan 1, 2003 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Dec 31, 2003 | Lead and Copper Rule |
| Jan 1, 2003 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Dec 31, 2003 | Lead and Copper Rule |
| Jan 1, 2003 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Dec 31, 2003 | Lead and Copper Rule |
| Jan 1, 2003 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Dec 31, 2003 | Lead and Copper Rule |
| Jan 1, 2003 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Dec 31, 2003 | Lead and Copper Rule |
| Jan 1, 2003 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Dec 31, 2003 | Lead and Copper Rule |
| Oct 1, 1979 | Oct 31, 1979 | Gross Alpha, Excl. Radon and U | MR | No | No | — | 15 pCi/L | — | Archived | Oct 31, 1979 | Radionuclides and Revised Rad 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.