RAVENSDALE WATER SUPPLY
Washington — Community Water System — PWSID: WA5371400
System Information
| PWSID | WA5371400 |
| System Name | RAVENSDALE WATER SUPPLY |
| System Type | Community Water System |
| Water Source | Surface Water Purchased |
| Activity Status | Active |
| Owner Type | Private |
| EPA Region | 10 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Feb 7, 1981 |
| Last Reported | Mar 26, 2026 |
Location & Contact
| State | Washington |
| City | Renton |
| ZIP Code | 98058 |
| Address | 15709 143rd Ave SE |
| Organization | RAVENSDALE WATER SUPPLY |
| Phone | — |
Population & Service
| Population Served | 389 |
| Service Connections | 31 |
Drinking Water Violations (61)
This water system has 61 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, 2025 | — | Other | No | No | — | — | — | Resolved | Sep 25, 2025 | — | |
| Jul 1, 2022 | Jul 31, 2022 | MON | No | Yes | — | — | — | Resolved | Jul 31, 2022 | — | |
| Jan 1, 2005 | — | MR | No | No | — | TT | — | Resolved | Dec 31, 2005 | — | |
| Jan 1, 2005 | — | MR | No | No | — | TT | — | Resolved | Dec 31, 2005 | — | |
| Jan 1, 2005 | — | MR | No | No | — | TT | — | Resolved | Dec 31, 2005 | — | |
| Jan 1, 2005 | — | MR | No | No | — | TT | — | Resolved | Dec 31, 2005 | — | |
| Jan 1, 2005 | — | MR | No | No | — | TT | — | Resolved | Dec 31, 2005 | — | |
| Jan 1, 2005 | — | MR | No | No | — | TT | — | Resolved | Dec 31, 2005 | — | |
| Jan 1, 2005 | — | MR | No | No | — | TT | — | Resolved | Dec 31, 2005 | — | |
| Jan 1, 2005 | — | MR | No | No | — | TT | — | Resolved | Dec 31, 2005 | — | |
| Jan 1, 2005 | — | MR | No | No | — | TT | — | Resolved | Dec 31, 2005 | — | |
| Jan 1, 2005 | — | MR | No | No | — | TT | — | Resolved | Dec 31, 2005 | — | |
| Jan 1, 2005 | — | MR | No | No | — | TT | — | Resolved | Dec 31, 2005 | — | |
| Jan 1, 2005 | — | MR | No | No | — | TT | — | Resolved | Dec 31, 2005 | — | |
| Sep 1, 2000 | Sep 30, 2000 | MR | No | Yes | — | 5% of samples | — | Archived | Sep 30, 2000 | — | |
| Oct 19, 1999 | Dec 31, 1999 | Other | No | Yes | — | — | — | Resolved | Dec 31, 1999 | — | |
| Jan 1, 1998 | Jan 1, 2001 | MR | No | No | — | TT | — | Resolved | Jan 1, 2001 | — | |
| Jan 1, 1998 | Jan 1, 2001 | MR | No | No | — | TT | — | Resolved | Jan 1, 2001 | — | |
| Oct 1, 1997 | Oct 31, 1997 | MR | No | Yes | — | 5% of samples | — | Archived | Oct 31, 1997 | — | |
| Nov 1, 1996 | Nov 30, 1996 | MR | No | Yes | — | 5% of samples | — | Archived | Nov 30, 1996 | — | |
| Jan 1, 1994 | Jan 31, 1994 | MR | No | Yes | — | 5% of samples | — | Archived | Jan 31, 1994 | — | |
| Jul 1, 1993 | Jul 31, 1993 | MR | No | Yes | — | 5% of samples | — | Archived | Jul 31, 1993 | — | |
| Jun 1, 1992 | Jun 30, 1992 | MR | No | Yes | — | 5% of samples | — | Archived | Jun 30, 1992 | — | |
| Jun 1, 1992 | Jun 30, 1992 | MR | No | Yes | — | 5% of samples | — | Archived | Jun 30, 1992 | — | |
| May 1, 1992 | May 31, 1992 | MR | No | Yes | — | 5% of samples | — | Archived | May 31, 1992 | — | |
| May 1, 1992 | May 31, 1992 | MR | No | Yes | — | 5% of samples | — | Archived | May 31, 1992 | — | |
| Apr 1, 1992 | Apr 30, 1992 | MR | No | Yes | — | 5% of samples | — | Archived | Apr 30, 1992 | — | |
| Apr 1, 1992 | Apr 30, 1992 | MR | No | Yes | — | 5% of samples | — | Archived | Apr 30, 1992 | — | |
| Mar 1, 1992 | Mar 31, 1992 | MR | No | Yes | — | 5% of samples | — | Archived | Mar 31, 1992 | — | |
| Mar 1, 1992 | Mar 31, 1992 | MR | No | Yes | — | 5% of samples | — | Archived | Mar 31, 1992 | — | |
| Mar 1, 1992 | Mar 31, 1992 | MR | No | Yes | — | 5% of samples | — | Archived | Mar 31, 1992 | — | |
| Feb 1, 1992 | Feb 29, 1992 | MR | No | Yes | — | 5% of samples | — | Archived | Feb 29, 1992 | — | |
| Feb 1, 1992 | Feb 29, 1992 | MR | No | Yes | — | 5% of samples | — | Archived | Feb 29, 1992 | — | |
| Jan 1, 1992 | Jan 31, 1992 | MR | No | Yes | — | 5% of samples | — | Archived | Jan 31, 1992 | — | |
| Jan 1, 1992 | Jan 31, 1992 | MR | No | Yes | — | 5% of samples | — | Archived | Jan 31, 1992 | — | |
| Jan 1, 1992 | Jan 31, 1992 | MR | No | Yes | — | 5% of samples | — | Archived | Jan 31, 1992 | — | |
| Dec 1, 1991 | Dec 31, 1991 | MR | No | Yes | — | 5% of samples | — | Archived | Dec 31, 1991 | — | |
| Dec 1, 1991 | Dec 31, 1991 | MR | No | Yes | — | 5% of samples | — | Archived | Dec 31, 1991 | — | |
| Nov 1, 1991 | Nov 30, 1991 | MR | No | Yes | — | 5% of samples | — | Archived | Nov 30, 1991 | — | |
| Nov 1, 1991 | Nov 30, 1991 | MR | No | Yes | — | 5% of samples | — | Archived | Nov 30, 1991 | — | |
| Oct 1, 1991 | Oct 31, 1991 | MR | No | Yes | — | 5% of samples | — | Archived | Oct 31, 1991 | — | |
| Oct 1, 1991 | Oct 31, 1991 | MR | No | Yes | — | 5% of samples | — | Archived | Oct 31, 1991 | — | |
| Oct 1, 1979 | Oct 31, 1979 | MR | No | No | — | 2 mg/L | — | Archived | Oct 31, 1979 | — | |
| Oct 1, 1979 | Oct 31, 1979 | MR | No | No | — | 0.005 mg/L | — | Archived | Oct 31, 1979 | — | |
| Oct 1, 1979 | Oct 31, 1979 | MR | No | No | — | 0.002 mg/L | — | Archived | Oct 31, 1979 | — | |
| Oct 1, 1979 | Oct 31, 1979 | MR | No | No | — | 10 mg/L | — | Archived | Oct 31, 1979 | — | |
| Oct 1, 1979 | Oct 31, 1979 | MR | No | No | — | 0.1 mg/L | — | Archived | Oct 31, 1979 | — | |
| Oct 1, 1979 | Oct 31, 1979 | MR | No | No | — | 4.0 mg/L | — | Archived | Oct 31, 1979 | — | |
| Oct 1, 1979 | Oct 31, 1979 | MR | No | No | — | 15 pCi/L | — | Archived | Oct 31, 1979 | — | |
| Oct 1, 1979 | Oct 31, 1979 | MR | No | No | — | 0.05 mg/L | — | Archived | Oct 31, 1979 | — |
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.