TWIN HARBORS STATE PARK
Washington - Transient Non-Community - PWSID: WA53SP960
System Information
| PWSID | WA53SP960 |
| System Name | TWIN HARBORS STATE PARK |
| System Type | Transient Non-Community |
| Water Source | Ground Water Purchased |
| Activity Status | Inactive |
| Owner Type | State |
| EPA Region | 10 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Mar 11, 1983 |
| Last Reported | Mar 26, 2026 |
Location & Contact
| State | Washington |
| City | Olympia |
| ZIP Code | 98504-2650 |
| Address | Washington State Parks and Recreation |
| Organization | TWIN HARBORS STATE PARK |
| Phone | - |
Population & Service
| Population Served | 2,818 |
| Service Connections | 25 |
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jul 1, 2003 | Jul 31, 2003 | MR | No | No | - | 5% of samples | - | Archived | Jul 31, 2003 | - | |
| Apr 1, 1995 | Apr 30, 1995 | MR | No | Yes | - | 5% of samples | - | Archived | Apr 30, 1995 | - | |
| Oct 1, 1991 | Oct 31, 1991 | MR | No | Yes | - | 5% of samples | - | Archived | Oct 31, 1991 | - | |
| - | - | - | 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.