DAMMAN SCHOOL
Washington - Non-Transient Non-Community - PWSID: WA5317765
System Information
| PWSID | WA5317765 |
| System Name | DAMMAN SCHOOL |
| System Type | Non-Transient Non-Community |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Private |
| EPA Region | 10 |
| Serves School | Yes |
| Wholesaler | No |
| First Reported | Dec 3, 2004 |
| Last Reported | Mar 26, 2026 |
Location & Contact
| State | Washington |
| City | Ellensburg |
| ZIP Code | 98926-8745 |
| Address | 2681 Umptanum Rd |
| Organization | DAMMAN SCHOOL |
| Phone | - |
Population & Service
| Population Served | 45 |
| Service Connections | 2 |
Drinking Water Violations (462)
This water system has 462 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Sep 1, 2025 | Sep 30, 2025 | MON | No | Yes | - | - | - | Resolved | Sep 30, 2025 | - | |
| Jan 1, 2025 | Dec 31, 2025 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2025 | - | |
| Nov 1, 2024 | Nov 30, 2024 | MON | No | Yes | - | - | - | Resolved | Nov 30, 2024 | - | |
| Jan 1, 2023 | - | MR | No | No | - | TT | - | Unaddressed | - | - | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | Yes | - | 0.010 mg/L | - | Archived | Dec 31, 2025 | - | |
| Jan 1, 2022 | Dec 31, 2024 | MR | No | Yes | - | 0.080 mg/L | - | Archived | Dec 31, 2024 | - | |
| Jan 1, 2022 | Dec 31, 2024 | MR | No | Yes | - | 0.060 mg/L | - | Archived | Dec 31, 2024 | - | |
| Jan 1, 2021 | Dec 31, 2023 | MR | No | Yes | - | 0.080 mg/L | - | Archived | Dec 31, 2023 | - | |
| Jan 1, 2021 | Dec 31, 2023 | MR | No | Yes | - | 0.060 mg/L | - | Archived | Dec 31, 2023 | - | |
| Jan 1, 2018 | Dec 31, 2018 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2018 | - | |
| Jun 1, 2017 | Jun 30, 2017 | MON | No | Yes | - | - | - | Resolved | Jun 30, 2017 | - | |
| Jan 1, 2016 | - | MR | No | No | - | TT | - | Resolved | Jan 24, 2019 | - | |
| Jun 1, 2014 | Jun 30, 2014 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 2014 | - | |
| Mar 1, 2014 | Mar 31, 2014 | MR | No | No | - | 5% of samples | - | Resolved | Mar 31, 2014 | - | |
| Mar 1, 2014 | Mar 31, 2014 | MR | No | No | - | 5% of samples | - | Resolved | Mar 31, 2014 | - | |
| Jan 1, 2014 | Dec 31, 2016 | MR | No | Yes | - | 0.2 mg/L | - | Resolved | Dec 31, 2016 | - | |
| Jan 1, 2014 | Dec 31, 2016 | MR | No | Yes | - | 0.002 mg/L | - | Resolved | Dec 31, 2016 | - | |
| Jan 1, 2014 | Dec 31, 2016 | MR | No | Yes | - | 0.004 mg/L | - | Resolved | Dec 31, 2016 | - | |
| Jan 1, 2014 | Dec 31, 2016 | MR | No | Yes | - | 0.1 mg/L | - | Resolved | Dec 31, 2016 | - | |
| Jan 1, 2014 | Dec 31, 2016 | MR | No | Yes | - | 1 mg/L | - | Resolved | Dec 31, 2016 | - | |
| Jan 1, 2014 | Dec 31, 2016 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Dec 31, 2016 | - | |
| Jan 1, 2014 | Dec 31, 2016 | MR | No | Yes | - | 0.002 mg/L | - | Resolved | Dec 31, 2016 | - | |
| Jan 1, 2014 | Dec 31, 2016 | MR | No | Yes | - | 0.010 mg/L | - | Resolved | Dec 31, 2016 | - | |
| Jan 1, 2014 | Dec 31, 2016 | MR | No | Yes | - | 0.05 mg/L | - | Resolved | Dec 31, 2016 | - | |
| Jan 1, 2014 | Dec 31, 2016 | MR | No | Yes | - | 2 mg/L | - | Resolved | Dec 31, 2016 | - | |
| Jan 1, 2014 | Dec 31, 2016 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Dec 31, 2016 | - | |
| Jan 1, 2014 | Dec 31, 2016 | MR | No | Yes | - | 0.006 mg/L | - | Resolved | Dec 31, 2016 | - | |
| Jan 1, 2014 | Dec 31, 2016 | MR | No | Yes | - | - | - | Resolved | Dec 31, 2016 | - | |
| Nov 1, 2013 | Nov 30, 2013 | MR | No | No | - | 5% of samples | - | Resolved | Nov 30, 2013 | - | |
| Nov 1, 2013 | Nov 30, 2013 | MR | No | No | - | 5% of samples | - | Resolved | Nov 30, 2013 | - | |
| Jun 1, 2013 | Jun 30, 2013 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 2013 | - | |
| Jun 1, 2013 | Jun 30, 2013 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 2013 | - | |
| May 1, 2013 | May 31, 2013 | MR | No | No | - | 5% of samples | - | Resolved | May 31, 2013 | - | |
| May 1, 2013 | May 31, 2013 | MR | No | No | - | 5% of samples | - | Resolved | May 31, 2013 | - | |
| Jan 1, 2013 | Dec 31, 2013 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2013 | - | |
| Jun 1, 2012 | Jun 30, 2012 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 2012 | - | |
| May 1, 2012 | May 31, 2012 | MR | No | No | - | 5% of samples | - | Resolved | May 31, 2012 | - | |
| Apr 1, 2012 | Apr 30, 2012 | MR | No | No | - | 5% of samples | - | Resolved | Apr 30, 2012 | - | |
| Feb 1, 2012 | Feb 29, 2012 | MR | No | No | - | 5% of samples | - | Resolved | Feb 29, 2012 | - | |
| Jan 1, 2011 | Dec 31, 2011 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2011 | - | |
| Jan 1, 2011 | Dec 31, 2019 | MR | No | Yes | - | 7 MFL | - | Archived | Dec 31, 2019 | - | |
| Dec 1, 2010 | Dec 31, 2010 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 2010 | - | |
| Feb 1, 2010 | Feb 28, 2010 | MR | No | No | - | 5% of samples | - | Resolved | Feb 28, 2010 | - | |
| Feb 1, 2010 | Feb 28, 2010 | MR | No | No | - | 5% of samples | - | Resolved | Feb 28, 2010 | - | |
| Dec 1, 2009 | Dec 31, 2009 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 2009 | - | |
| Dec 1, 2009 | Dec 31, 2009 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 2009 | - | |
| May 1, 2009 | May 31, 2009 | MR | No | No | - | 5% of samples | - | Archived | May 31, 2009 | - | |
| Mar 1, 2009 | Mar 31, 2009 | MR | No | No | - | 5% of samples | - | Archived | Mar 31, 2009 | - | |
| Sep 1, 2008 | Sep 30, 2008 | MR | No | No | - | 5% of samples | - | Archived | Sep 30, 2008 | - | |
| Jan 1, 2008 | Dec 31, 2008 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2008 | - |
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.