PNNL Sequim Campus
Washington - Non-Transient Non-Community - PWSID: WA5310351
System Information
| PWSID | WA5310351 |
| System Name | PNNL Sequim Campus |
| System Type | Non-Transient Non-Community |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Federal |
| EPA Region | 10 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Apr 9, 1982 |
| Last Reported | Jun 19, 2026 |
Location & Contact
| State | Washington |
| City | Richland |
| ZIP Code | 99352 |
| Address | PO Box 350, MSIN: K9-42 |
| Organization | PNNL Sequim Campus |
| Phone | - |
Population & Service
| Population Served | 91 |
| Service Connections | 4 |
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, 2003 | Jul 31, 2003 | MCL | Yes | No | - | 5% of samples | - | Archived | Jul 31, 2003 | - | |
| Jan 1, 1999 | Jul 1, 1999 | MR | No | No | - | TT | - | Resolved | Jul 1, 1999 | - | |
| Jul 1, 1996 | Jul 31, 1996 | MR | No | Yes | - | 5% of samples | - | Archived | Jul 31, 1996 | - | |
| Jun 1, 1996 | Jun 30, 1996 | MCL | Yes | No | - | 5% of samples | - | Archived | Jun 30, 1996 | - | |
| Oct 1, 1993 | Oct 31, 1993 | MCL | Yes | No | - | 5% of samples | - | Archived | Oct 31, 1993 | - |
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.