ALDERDALE WATER ASSN
Washington - Community Water System - PWSID: WA5326214
System Information
| PWSID | WA5326214 |
| System Name | ALDERDALE WATER ASSN |
| 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 | Dec 16, 1985 |
| Last Reported | Jun 19, 2026 |
Location & Contact
| State | Washington |
| City | Prosser |
| ZIP Code | 99350 |
| Address | 491 Alderdale Rd |
| Organization | ALDERDALE WATER ASSN |
| Phone | - |
Population & Service
| Population Served | 171 |
| Service Connections | 57 |
Drinking Water Violations (108)
This water system has 108 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, 2024 | - | Other | No | No | - | - | - | Resolved | Oct 31, 2024 | - | |
| Jul 1, 2023 | - | Other | No | No | - | - | - | Resolved | Sep 29, 2023 | - | |
| May 1, 2021 | May 31, 2021 | MON | No | Yes | - | - | - | Resolved | May 31, 2021 | - | |
| Jan 1, 2021 | - | MR | No | No | - | TT | - | Resolved | Jun 18, 2024 | - | |
| Jan 1, 2021 | Dec 31, 2021 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2021 | - | |
| Jul 1, 2020 | - | Other | No | No | - | - | - | Resolved | Nov 3, 2020 | - | |
| Feb 1, 2020 | Feb 29, 2020 | MON | No | Yes | - | - | - | Resolved | Feb 29, 2020 | - | |
| Jan 1, 2020 | Dec 31, 2020 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2020 | - | |
| Jul 1, 2018 | - | Other | No | No | - | - | - | Resolved | Dec 3, 2018 | - | |
| Jul 1, 2017 | Jul 31, 2017 | MON | No | Yes | - | - | - | Resolved | Jul 31, 2017 | - | |
| Jul 1, 2012 | - | Other | No | No | - | - | - | Resolved | Nov 21, 2012 | - | |
| Jun 1, 2012 | Jun 30, 2012 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 2012 | - | |
| Jan 1, 2011 | - | MR | No | No | - | TT | - | Resolved | Jul 31, 2014 | - | |
| Feb 1, 2010 | Feb 28, 2010 | MR | No | No | - | 5% of samples | - | Resolved | Feb 28, 2010 | - | |
| 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 | - | |
| Jan 1, 2007 | - | MR | No | No | - | TT | - | Resolved | Dec 31, 2007 | - | |
| Jan 1, 2007 | - | MR | No | No | - | TT | - | Resolved | Dec 31, 2007 | - | |
| Jan 1, 2006 | - | MR | No | No | - | TT | - | Resolved | Dec 31, 2007 | - | |
| Jan 1, 2006 | - | MR | No | No | - | TT | - | Resolved | Dec 31, 2007 | - | |
| Jan 1, 2006 | - | MR | No | No | - | TT | - | Resolved | Dec 31, 2007 | - | |
| Jan 1, 2006 | - | MR | No | No | - | TT | - | Resolved | Dec 31, 2007 | - | |
| Jan 1, 2006 | - | MR | No | No | - | TT | - | Resolved | Dec 31, 2007 | - | |
| Jan 1, 2006 | - | MR | No | No | - | TT | - | Resolved | Dec 31, 2007 | - | |
| Jan 1, 2006 | - | MR | No | No | - | TT | - | Resolved | Dec 31, 2007 | - | |
| Jan 1, 2006 | - | MR | No | No | - | TT | - | Resolved | Dec 31, 2007 | - | |
| Jan 1, 2006 | - | MR | No | No | - | TT | - | Resolved | Dec 31, 2007 | - | |
| Jan 1, 2006 | - | MR | No | No | - | TT | - | Resolved | Dec 31, 2007 | - | |
| Jan 1, 2006 | - | MR | No | No | - | TT | - | Resolved | Dec 31, 2007 | - | |
| Jan 1, 2005 | Dec 31, 2005 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2005 | - | |
| Jan 1, 2005 | Dec 31, 2007 | MR | No | Yes | - | 0.2 mg/L | - | Resolved | Dec 31, 2007 | - | |
| Jan 1, 2005 | Dec 31, 2007 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Dec 31, 2007 | - | |
| Jan 1, 2005 | Dec 31, 2007 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Dec 31, 2007 | - | |
| Jan 1, 2005 | Dec 31, 2007 | MR | No | Yes | - | 0.004 mg/L | - | Resolved | Dec 31, 2007 | - | |
| Jan 1, 2005 | Dec 31, 2007 | MR | No | Yes | - | 0.05 mg/L | - | Resolved | Dec 31, 2007 | - | |
| Jan 1, 2005 | Dec 31, 2007 | MR | No | Yes | - | 0.010 mg/L | - | Resolved | Dec 31, 2007 | - | |
| Jan 1, 2005 | Dec 31, 2007 | MR | No | Yes | - | 0.1 mg/L | - | Resolved | Dec 31, 2007 | - | |
| 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, 2007 | MR | No | Yes | - | 0.006 mg/L | - | Resolved | Dec 31, 2007 | - | |
| 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 | - |
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.