Stemilt Associates - Mattawa
Washington - Transient Non-Community - PWSID: WA53AC327
System Information
| PWSID | WA53AC327 |
| System Name | Stemilt Associates - Mattawa |
| System Type | Transient Non-Community |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Local |
| EPA Region | 10 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Sep 4, 2009 |
| Last Reported | Mar 26, 2026 |
Location & Contact
| State | Washington |
| City | Cle Elum |
| ZIP Code | 98922 |
| Address | PO Box 394 |
| Organization | Stemilt Associates - Mattawa |
| Phone | - |
Population & Service
| Population Served | 63 |
| Service Connections | 5 |
Drinking Water Violations (2)
This water system has 2 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan 1, 2022 | Mar 31, 2022 | MR | No | Yes | - | 10 mg/L | - | Resolved | Mar 31, 2022 | - | |
| Oct 1, 2012 | Dec 31, 2012 | MCL | Yes | No | 11.1 MG/L | 10 mg/L | - | Resolved | Dec 31, 2012 | - |
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.