USACE DALLES/JD-THE DALLES DAM
Oregon - Non-Transient Non-Community - PWSID: OR4194200
System Information
| PWSID | OR4194200 |
| System Name | USACE DALLES/JD-THE DALLES DAM |
| 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 | Mar 15, 1985 |
| Last Reported | Mar 25, 2026 |
Location & Contact
| State | Oregon |
| City | THE DALLES |
| ZIP Code | 97058 |
| Address | PO BOX 564 |
| Organization | COE DALLES/JD-THE DALLES DAM |
| Phone | 541-506-8302 |
Population & Service
| Population Served | 115 |
| Service Connections | 1 |
Drinking Water Violations (220)
This water system has 220 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Oct 19, 2025 | - | MR | No | No | - | - | - | Unaddressed | - | - | |
| Sep 20, 2021 | - | MR | No | Yes | - | - | - | Resolved | Oct 29, 2021 | - | |
| Sep 1, 2021 | Sep 30, 2021 | MON | No | No | - | - | - | Resolved | Sep 30, 2021 | - | |
| Jan 1, 2016 | Jan 31, 2016 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jan 31, 2016 | - | |
| Jan 1, 2016 | Jan 31, 2016 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jan 31, 2016 | - | |
| Jan 1, 2016 | Jan 31, 2016 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jan 31, 2016 | - | |
| Sep 1, 2013 | Sep 30, 2013 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2013 | - | |
| Jul 1, 2010 | Sep 30, 2010 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 2010 | - | |
| Jul 1, 2010 | Sep 30, 2010 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 2010 | - | |
| Jul 1, 2010 | Sep 30, 2010 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 2010 | - | |
| Jul 1, 2010 | Sep 30, 2010 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 2010 | - | |
| Jan 1, 2010 | - | MR | No | No | - | TT | - | Resolved | Sep 8, 2010 | - | |
| Jan 1, 2010 | - | MR | No | No | - | TT | - | Resolved | Sep 8, 2010 | - | |
| Jul 1, 2009 | Jul 31, 2009 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jul 31, 2009 | - | |
| Jul 1, 2009 | Jul 31, 2009 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jul 31, 2009 | - | |
| Jan 1, 2009 | Dec 31, 2009 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2009 | - | |
| Jan 1, 2009 | Dec 31, 2009 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2009 | - | |
| Oct 1, 2006 | Dec 31, 2006 | MCL | Yes | No | - | 5% of samples | - | Resolved | Dec 31, 2006 | - | |
| Jul 1, 2006 | Jul 31, 2006 | MR | No | No | - | 5% of samples | - | Resolved | Jul 31, 2006 | - | |
| Jan 1, 2005 | Dec 31, 2007 | MR | No | Yes | - | 0.0002 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, 2007 | MR | No | Yes | - | 0.04 mg/L | - | Resolved | Dec 31, 2007 | - | |
| Jan 1, 2005 | Dec 31, 2007 | MR | No | Yes | - | 0.007 mg/L | - | Resolved | Dec 31, 2007 | - | |
| Jan 1, 2005 | Dec 31, 2007 | MR | No | Yes | - | 0.006 mg/L | - | Resolved | Dec 31, 2007 | - | |
| Jan 1, 2005 | Dec 31, 2007 | MR | No | Yes | - | 0.07 mg/L | - | Resolved | Dec 31, 2007 | - | |
| Jan 1, 2005 | Dec 31, 2007 | MR | No | Yes | - | 0.001 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 | - | 0.003 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 | - | 0.075 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, 2007 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Dec 31, 2007 | - | |
| Jan 1, 2005 | Dec 31, 2007 | MR | No | Yes | - | 0.04 mg/L | - | Resolved | Dec 31, 2007 | - | |
| 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 | - | 0.002 mg/L | - | Resolved | Dec 31, 2007 | - | |
| 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 | - | 0.6 mg/L | - | Resolved | Dec 31, 2007 | - | |
| Jan 1, 2005 | Dec 31, 2007 | MR | No | Yes | - | 0.001 mg/L | - | Resolved | Dec 31, 2007 | - | |
| Jan 1, 2005 | Dec 31, 2007 | MR | No | Yes | - | 1 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 | - | 0.5 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 | - | 0.07 mg/L | - | Resolved | Dec 31, 2007 | - | |
| Jan 1, 2005 | Dec 31, 2007 | MR | No | Yes | - | 0.002 mg/L | - | Resolved | Dec 31, 2007 | - | |
| Jan 1, 2005 | Dec 31, 2007 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2007 | - | |
| Jan 1, 2005 | Dec 31, 2007 | MR | No | Yes | - | 0.0002 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 | - | 0.7 mg/L | - | Resolved | Dec 31, 2007 | - | |
| Jan 1, 2005 | Dec 31, 2007 | MR | No | Yes | - | 0.003 mg/L | - | Resolved | Dec 31, 2007 | - | |
| Jan 1, 2005 | Dec 31, 2007 | MR | No | Yes | - | 0.002 mg/L | - | Resolved | Dec 31, 2007 | - |
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.