MAURY MUTUAL WATER CO
Washington — Community Water System — PWSID: WA5352100
System Information
| PWSID | WA5352100 |
| System Name | MAURY MUTUAL WATER CO |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Private |
| EPA Region | 10 |
| Serves School | No |
| Wholesaler | Yes |
| First Reported | Feb 7, 1981 |
| Last Reported | Dec 11, 2025 |
Location & Contact
| State | Washington |
| City | Vashon |
| ZIP Code | 98070 |
| Address | 12522 SW 154th St |
| Organization | MAURY MUTUAL WATER CO |
| Phone | — |
Population & Service
| Population Served | 233 |
| Service Connections | 93 |
Drinking Water Violations (5)
This water system has 5 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 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Dec 19, 2024 | Consumer Confidence Rule |
| Jul 1, 2022 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Sep 19, 2022 | Consumer Confidence Rule |
| Mar 1, 1995 | Mar 31, 1995 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Archived | Mar 31, 1995 | Total Coliform Rule |
| May 1, 1992 | May 31, 1992 | Coliform (TCR) | MR | No | Yes | — | 5% of samples | — | Archived | May 31, 1992 | Total Coliform 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.