WALLACE FALLS STATE PARK
Washington — Transient Non-Community — PWSID: WA53SP970
System Information
| PWSID | WA53SP970 |
| System Name | WALLACE FALLS STATE PARK |
| System Type | Transient Non-Community |
| Water Source | Ground Water Purchased |
| Activity Status | Active |
| Owner Type | State |
| EPA Region | 10 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Feb 7, 1981 |
| Last Reported | Dec 11, 2025 |
Location & Contact
| State | Washington |
| City | Issaquah |
| ZIP Code | 98027 |
| Address | 2000 NW Sammamish Road |
| Organization | WALLACE FALLS STATE PARK |
| Phone | — |
Population & Service
| Population Served | 759 |
| Service Connections | 9 |
Drinking Water Violations (4)
This water system has 4 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Nov 1, 2022 | Nov 30, 2022 | Revised Total Coliform Rule | MON | No | Yes | — | — | — | Resolved | Nov 30, 2022 | Revised Total Coliform Rule |
| Nov 1, 2004 | Nov 30, 2004 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Archived | Nov 30, 2004 | Total Coliform Rule |
| Nov 1, 2003 | Nov 30, 2003 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Archived | Nov 30, 2003 | Total Coliform Rule |
| Oct 1, 2003 | Oct 31, 2003 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Archived | Oct 31, 2003 | Total Coliform 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.