USFS SOUTH TWIN LAKE CG
Oregon — Transient Non-Community — PWSID: OR4192508
System Information
| PWSID | OR4192508 |
| System Name | USFS SOUTH TWIN LAKE CG |
| 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 10, 1980 |
| Last Reported | Mar 25, 2026 |
Location & Contact
| State | Oregon |
| City | BEND |
| ZIP Code | 97701 |
| Address | 63095 DESCHUTES MARKET RD |
| Organization | USFS SOUTH TWIN LAKE CG |
| Phone | 541-383-5627 |
Population & Service
| Population Served | 155 |
| Service Connections | 1 |
Drinking Water Violations (43)
This water system has 43 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Apr 1, 2025 | Apr 30, 2025 | MON | No | Yes | — | — | — | Resolved | Apr 30, 2025 | — | |
| Jan 1, 2025 | Dec 31, 2025 | MR | No | Yes | — | — | — | Archived | Dec 31, 2025 | — | |
| Apr 1, 2024 | Apr 30, 2024 | MON | No | Yes | — | — | — | Resolved | Apr 30, 2024 | — | |
| Aug 8, 2023 | — | MR | No | Yes | — | — | — | Resolved | Aug 11, 2023 | — | |
| Jul 1, 2022 | Jul 31, 2022 | MON | No | Yes | — | — | — | Resolved | Jul 31, 2022 | — | |
| Apr 1, 2021 | Apr 30, 2021 | MON | No | Yes | — | — | — | Resolved | Apr 30, 2021 | — | |
| May 1, 2019 | May 31, 2019 | MON | No | Yes | — | — | — | Resolved | May 31, 2019 | — | |
| Apr 1, 2019 | Apr 30, 2019 | MON | No | Yes | — | — | — | Resolved | Apr 30, 2019 | — | |
| Jan 1, 2016 | Dec 31, 2016 | MR | No | Yes | — | — | — | Resolved | Dec 31, 2016 | — | |
| Jan 1, 2015 | Dec 31, 2015 | MR | No | Yes | — | — | — | Resolved | Dec 31, 2015 | — | |
| Aug 16, 2013 | — | Other | No | No | — | — | — | Resolved | Jul 11, 2012 | — | |
| Jul 24, 2013 | — | MR | No | Yes | — | — | — | Resolved | Jul 29, 2013 | — | |
| Jul 1, 2013 | Sep 30, 2013 | MCL | Yes | No | — | 5% of samples | — | Resolved | Sep 30, 2013 | — | |
| Jul 1, 2013 | Sep 30, 2013 | MCL | Yes | No | — | 5% of samples | — | Resolved | Sep 30, 2013 | — | |
| Jul 1, 2013 | Sep 30, 2013 | MCL | Yes | No | — | 5% of samples | — | Resolved | Sep 30, 2013 | — | |
| Dec 5, 2012 | — | Other | No | No | — | — | — | Resolved | May 13, 2013 | — | |
| Dec 5, 2012 | — | Other | No | No | — | — | — | Resolved | May 13, 2013 | — | |
| Dec 5, 2012 | — | Other | No | No | — | — | — | Resolved | May 13, 2013 | — | |
| Sep 1, 2012 | Sep 30, 2012 | MCL | Yes | No | — | 5% of samples | — | Resolved | Sep 30, 2012 | — | |
| Sep 1, 2012 | Sep 30, 2012 | MCL | Yes | No | — | 5% of samples | — | Resolved | Sep 30, 2012 | — | |
| Sep 1, 2012 | Sep 30, 2012 | MCL | Yes | No | — | 5% of samples | — | Resolved | Sep 30, 2012 | — | |
| Sep 1, 2012 | Sep 30, 2012 | MCL | Yes | No | — | 5% of samples | — | Resolved | Sep 30, 2012 | — | |
| Aug 1, 2012 | Aug 31, 2012 | MCL | Yes | No | — | 5% of samples | — | Resolved | Aug 31, 2012 | — | |
| Aug 1, 2012 | Aug 31, 2012 | MCL | Yes | No | — | 5% of samples | — | Resolved | Aug 31, 2012 | — | |
| Aug 1, 2012 | Aug 31, 2012 | MCL | Yes | No | — | 5% of samples | — | Resolved | Aug 31, 2012 | — | |
| Aug 1, 2010 | Aug 31, 2010 | MCL | Yes | No | — | 5% of samples | — | Resolved | Jul 12, 2010 | — | |
| Aug 1, 2010 | Aug 31, 2010 | MCL | Yes | No | — | 5% of samples | — | Resolved | Jul 12, 2010 | — | |
| Aug 1, 2010 | Aug 31, 2010 | MCL | Yes | No | — | 5% of samples | — | Resolved | Jul 12, 2010 | — | |
| Aug 1, 2010 | Aug 31, 2010 | MCL | Yes | No | — | 5% of samples | — | Resolved | Jul 12, 2010 | — | |
| Oct 1, 2006 | Dec 31, 2006 | MR | No | No | — | 5% of samples | — | Resolved | Dec 31, 2006 | — | |
| Oct 1, 2006 | Dec 31, 2006 | MR | No | No | — | 5% of samples | — | Resolved | Dec 31, 2006 | — | |
| Jul 1, 2006 | Sep 30, 2006 | MR | No | No | — | 5% of samples | — | Resolved | Sep 30, 2006 | — | |
| Jul 1, 2006 | Sep 30, 2006 | MR | No | No | — | 5% of samples | — | Resolved | Sep 30, 2006 | — | |
| Apr 1, 2006 | Jun 30, 2006 | MR | No | No | — | 5% of samples | — | Resolved | Jun 30, 2006 | — | |
| Apr 1, 2006 | Jun 30, 2006 | MR | No | No | — | 5% of samples | — | Resolved | Jun 30, 2006 | — | |
| Jan 1, 2006 | Dec 31, 2006 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2006 | — | |
| Jul 1, 1993 | Sep 30, 1993 | MR | No | No | — | 5% of samples | — | Resolved | Sep 30, 1993 | — | |
| Jul 1, 1993 | Sep 30, 1993 | MR | No | No | — | 5% of samples | — | Resolved | Sep 30, 1993 | — | |
| Jul 1, 1991 | Jul 31, 1991 | MR | No | No | — | 5% of samples | — | Resolved | Jul 31, 1991 | — | |
| Jul 1, 1991 | Jul 31, 1991 | MR | No | No | — | 5% of samples | — | Resolved | Jul 31, 1991 | — | |
| Jul 1, 1991 | Sep 30, 1991 | MCL | Yes | No | — | 5% of samples | — | Resolved | Sep 30, 1991 | — | |
| Apr 1, 1991 | Jun 30, 1991 | MCL | Yes | No | — | 5% of samples | — | Resolved | Jun 30, 1991 | — | |
| — | — | — | No | No | — | — | — | — | — | — |
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.