PLAIN FLATS WATER SYSTEM
Washington - Community Water System - PWSID: WA5339592
System Information
| PWSID | WA5339592 |
| System Name | PLAIN FLATS WATER SYSTEM |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Private |
| EPA Region | 10 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Feb 28, 2004 |
| Last Reported | Mar 26, 2026 |
Location & Contact
| State | Washington |
| City | Leavenworth |
| ZIP Code | 98826 |
| Address | 18547 Hazel Rd |
| Organization | PLAIN FLATS WATER SYSTEM |
| Phone | - |
Population & Service
| Population Served | 29 |
| Service Connections | 19 |
Drinking Water Violations (39)
This water system has 39 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 30, 2025 | - | |
| Dec 1, 2023 | Dec 31, 2023 | MON | No | Yes | - | - | - | Resolved | Dec 31, 2023 | - | |
| Nov 1, 2023 | Nov 30, 2023 | MON | No | Yes | - | - | - | Resolved | Nov 30, 2023 | - | |
| Dec 1, 2016 | Dec 31, 2016 | MON | No | Yes | - | - | - | Resolved | Dec 31, 2016 | - | |
| May 1, 2013 | May 31, 2013 | MR | No | No | - | 5% of samples | - | Resolved | May 31, 2013 | - | |
| Jan 1, 2007 | - | MR | No | No | - | TT | - | Resolved | Dec 31, 2007 | - | |
| Jan 1, 2007 | - | MR | No | No | - | TT | - | Resolved | Dec 31, 2007 | - | |
| Jan 1, 2007 | - | MR | No | No | - | TT | - | Resolved | Dec 31, 2007 | - | |
| Jan 1, 2007 | - | MR | No | No | - | TT | - | Resolved | Dec 31, 2007 | - | |
| Jan 1, 2007 | - | MR | No | No | - | TT | - | Resolved | Dec 31, 2007 | - | |
| Jan 1, 2007 | - | MR | No | No | - | TT | - | Resolved | Dec 31, 2007 | - | |
| Jan 1, 2007 | - | MR | No | No | - | TT | - | Resolved | Dec 31, 2007 | - | |
| Jan 1, 2007 | - | MR | No | No | - | TT | - | Resolved | Dec 31, 2007 | - | |
| Jan 1, 2007 | - | MR | No | No | - | TT | - | Resolved | Dec 31, 2007 | - | |
| Mar 1, 2005 | Mar 31, 2005 | MR | No | No | - | 5% of samples | - | Archived | Mar 31, 2005 | - | |
| Mar 1, 2005 | Mar 31, 2005 | MCL | Yes | No | - | 5% of samples | - | Archived | Mar 31, 2005 | - | |
| Feb 1, 2005 | Feb 28, 2005 | MCL | Yes | No | - | 5% of samples | - | Archived | Feb 28, 2005 | - | |
| Jan 1, 2005 | Jan 31, 2005 | MCL | Yes | No | - | 5% of samples | - | Archived | Jan 31, 2005 | - | |
| Jan 1, 2005 | Dec 31, 2005 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2005 | - | |
| Jan 1, 2005 | Dec 31, 2005 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2005 | - | |
| Jan 1, 2005 | Dec 31, 2005 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2005 | - | |
| Jan 1, 2005 | Dec 31, 2005 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2005 | - | |
| Jan 1, 2005 | Dec 31, 2005 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2005 | - | |
| Jan 1, 2005 | Dec 31, 2005 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2005 | - | |
| Jan 1, 2005 | Dec 31, 2005 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2005 | - | |
| Dec 1, 2004 | Dec 31, 2004 | MCL | Yes | No | - | 5% of samples | - | Archived | Dec 31, 2004 | - | |
| Nov 1, 2004 | Nov 30, 2004 | MR | No | No | - | 5% of samples | - | Archived | Nov 30, 2004 | - | |
| Jul 1, 2004 | - | MR | No | No | - | TT | - | Resolved | Jun 30, 2005 | - | |
| Jul 1, 2004 | - | MR | No | No | - | TT | - | Resolved | Jun 30, 2005 | - | |
| Jul 1, 2004 | - | MR | No | No | - | TT | - | Resolved | Jun 30, 2005 | - | |
| Jul 1, 2004 | - | MR | No | No | - | TT | - | Resolved | Jun 30, 2005 | - | |
| Jul 1, 2004 | - | MR | No | No | - | TT | - | Resolved | Jun 30, 2005 | - | |
| Jul 1, 2004 | - | MR | No | No | - | TT | - | Resolved | Jun 30, 2005 | - | |
| Jul 1, 2004 | - | MR | No | No | - | TT | - | Resolved | Jun 30, 2005 | - | |
| Jul 1, 2004 | - | MR | No | No | - | TT | - | Resolved | Jun 30, 2005 | - | |
| Jul 1, 2004 | - | MR | No | No | - | TT | - | Resolved | Jun 30, 2005 | - | |
| Jul 1, 2004 | - | MR | No | No | - | TT | - | Resolved | Jun 30, 2005 | - | |
| Jul 1, 2004 | - | MR | No | No | - | TT | - | Resolved | Jun 30, 2005 | - | |
| Jul 1, 2004 | - | MR | No | No | - | TT | - | Resolved | Jun 30, 2005 | - |
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.