USFS SILVER LAKE RS
Oregon - Transient Non-Community - PWSID: OR4101090
System Information
| PWSID | OR4101090 |
| System Name | USFS SILVER LAKE RS |
| System Type | Transient Non-Community |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Federal |
| EPA Region | 10 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Mar 12, 1979 |
| Last Reported | Mar 25, 2026 |
Location & Contact
| State | Oregon |
| City | CHILOQUIN |
| ZIP Code | 97624 |
| Address | 38500 US-97 N |
| Organization | USFS SILVER LAKE RS |
| Phone | 541-880-3450 |
Population & Service
| Population Served | 30 |
| Service Connections | 15 |
Drinking Water Violations (77)
This water system has 77 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 8, 2025 | - | Other | No | No | - | - | - | Resolved | Oct 22, 2025 | - | |
| Oct 8, 2025 | - | Other | No | No | - | - | - | Resolved | Oct 22, 2025 | - | |
| Sep 1, 2025 | Sep 30, 2025 | MCL | Yes | No | - | - | - | Archived | Sep 30, 2025 | - | |
| Sep 1, 2025 | Sep 30, 2025 | MCL | Yes | No | - | - | - | Archived | Sep 30, 2025 | - | |
| Sep 1, 2022 | Sep 30, 2022 | MON | No | Yes | - | - | - | Resolved | Sep 30, 2022 | - | |
| Jan 1, 2020 | Jan 31, 2020 | MON | No | No | - | - | - | Resolved | Jan 31, 2020 | - | |
| Jan 1, 2013 | - | MR | No | No | - | TT | - | Resolved | Mar 7, 2013 | - | |
| Jan 1, 2013 | - | MR | No | No | - | TT | - | Resolved | Mar 7, 2013 | - | |
| Dec 23, 2011 | - | Other | No | No | - | - | - | Resolved | Feb 6, 2012 | - | |
| Dec 23, 2011 | - | Other | No | No | - | - | - | Resolved | Feb 6, 2012 | - | |
| Nov 1, 2011 | Nov 30, 2011 | MR | No | No | - | 5% of samples | - | Resolved | Nov 30, 2011 | - | |
| Nov 1, 2011 | Nov 30, 2011 | MR | No | No | - | 5% of samples | - | Resolved | Nov 30, 2011 | - | |
| Oct 1, 2011 | Oct 31, 2011 | MCL | Yes | No | - | 5% of samples | - | Resolved | Oct 31, 2011 | - | |
| Oct 1, 2011 | - | MR | No | Yes | - | - | - | Unaddressed | - | - | |
| Oct 1, 2011 | Oct 31, 2011 | MCL | Yes | No | - | 5% of samples | - | Resolved | Oct 31, 2011 | - | |
| Oct 1, 2011 | Oct 31, 2011 | MCL | Yes | No | - | 5% of samples | - | Resolved | Oct 31, 2011 | - | |
| Oct 1, 2011 | Oct 31, 2011 | MCL | Yes | No | - | 5% of samples | - | Resolved | Oct 31, 2011 | - | |
| May 1, 2011 | May 31, 2011 | MR | No | No | - | 5% of samples | - | Resolved | May 31, 2011 | - | |
| May 1, 2011 | May 31, 2011 | MR | No | No | - | 5% of samples | - | Resolved | May 31, 2011 | - | |
| Dec 19, 2010 | - | Other | No | No | - | - | - | Resolved | Feb 6, 2012 | - | |
| Dec 19, 2010 | - | Other | No | No | - | - | - | Resolved | Feb 6, 2012 | - | |
| Oct 1, 2010 | Oct 31, 2010 | MCL | Yes | No | - | 5% of samples | - | Resolved | Oct 31, 2010 | - | |
| Oct 1, 2010 | Oct 31, 2010 | MCL | Yes | No | - | 5% of samples | - | Resolved | Oct 31, 2010 | - | |
| Oct 1, 2010 | Oct 31, 2010 | MCL | Yes | No | - | 5% of samples | - | Resolved | Oct 31, 2010 | - | |
| Oct 1, 2010 | Oct 31, 2010 | MCL | Yes | No | - | 5% of samples | - | Resolved | Oct 31, 2010 | - | |
| Sep 1, 2010 | - | MR | No | Yes | - | - | - | Resolved | Oct 21, 2010 | - | |
| Sep 1, 2010 | - | MR | No | Yes | - | - | - | Resolved | Oct 21, 2010 | - | |
| Sep 1, 2009 | Sep 30, 2009 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2009 | - | |
| Sep 1, 2009 | Sep 30, 2009 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2009 | - | |
| Aug 1, 2009 | Aug 31, 2009 | MR | No | No | - | 5% of samples | - | Resolved | Aug 31, 2009 | - | |
| Aug 1, 2009 | Aug 31, 2009 | MR | No | No | - | 5% of samples | - | Resolved | Aug 31, 2009 | - | |
| Jun 1, 2007 | Jun 30, 2007 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 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 | - | 0.1 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 | - | 0.002 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 | - | 0.005 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 | - | 0.1 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 | - | 1 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 | - | 0.7 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 | - | 10 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 | - | 0.005 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 | - | 0.005 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.