ALLEN WATER SYSTEM
South Dakota - Community Water System - PWSID: 084690481
System Information
| PWSID | 084690481 |
| System Name | ALLEN WATER SYSTEM |
| System Type | Community Water System |
| Water Source | Surface Water Purchased |
| Activity Status | Active |
| Owner Type | Native American |
| EPA Region | 08 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Mar 4, 1980 |
| Last Reported | Mar 2, 2026 |
Location & Contact
| State | South Dakota |
| City | PINE RIDGE |
| ZIP Code | 57770 |
| Address | P.O. Box 1054 (17675 US Hwy 18) |
| Organization | ABOLD, ERNIE |
| Phone | 605-867-5804 |
Population & Service
| Population Served | 420 |
| Service Connections | 86 |
Drinking Water Violations (49)
This water system has 49 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan 1, 2025 | Dec 31, 2025 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Sep 15, 2025 | - | |
| Jan 1, 2025 | Dec 31, 2025 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Sep 15, 2025 | - | |
| Jan 1, 2024 | Dec 31, 2024 | MR | No | Yes | - | 0.080 mg/L | - | Archived | Dec 31, 2024 | - | |
| Jan 1, 2024 | Dec 31, 2024 | MR | No | Yes | - | 0.060 mg/L | - | Archived | Dec 31, 2024 | - | |
| Jan 1, 2023 | - | MR | No | No | - | TT | - | Resolved | Dec 18, 2023 | - | |
| Sep 29, 2022 | - | MR | No | No | - | TT | - | Resolved | Oct 18, 2022 | - | |
| Mar 1, 2019 | Mar 31, 2019 | MON | No | Yes | - | - | - | Resolved | Mar 31, 2019 | - | |
| Sep 1, 2018 | Aug 31, 2019 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Aug 31, 2019 | - | |
| Sep 1, 2018 | Aug 31, 2019 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Aug 31, 2019 | - | |
| Feb 1, 2015 | Feb 28, 2015 | MR | No | No | - | 5% of samples | - | Resolved | Feb 28, 2015 | - | |
| Jan 1, 2015 | Dec 31, 2015 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Dec 31, 2015 | - | |
| Jan 1, 2015 | Dec 31, 2015 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Dec 31, 2015 | - | |
| Jan 1, 2014 | Dec 31, 2014 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Dec 31, 2014 | - | |
| Jan 1, 2014 | Dec 31, 2014 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Dec 31, 2014 | - | |
| Oct 1, 2011 | - | MR | No | No | - | TT | - | Resolved | Feb 20, 2014 | - | |
| Oct 1, 2011 | - | MR | No | No | - | TT | - | Resolved | Feb 20, 2014 | - | |
| Jul 1, 2010 | - | Other | No | No | - | - | - | Resolved | Aug 12, 2010 | - | |
| Jul 1, 2010 | - | Other | No | No | - | - | - | Resolved | Aug 12, 2010 | - | |
| Jul 1, 2008 | - | Other | No | No | - | - | - | Resolved | Oct 7, 2008 | - | |
| Jul 1, 2008 | - | Other | No | No | - | - | - | Resolved | Oct 7, 2008 | - | |
| Jul 1, 2007 | - | Other | No | No | - | - | - | Resolved | Sep 28, 2007 | - | |
| Jul 1, 2007 | - | Other | No | No | - | - | - | Resolved | Sep 28, 2007 | - | |
| Mar 1, 2005 | Mar 31, 2005 | MR | No | No | - | 5% of samples | - | Resolved | Mar 31, 2005 | - | |
| Mar 1, 2005 | Mar 31, 2005 | MR | No | No | - | 5% of samples | - | Resolved | Mar 31, 2005 | - | |
| Mar 1, 2005 | Mar 31, 2005 | MR | No | No | - | 5% of samples | - | Resolved | Mar 31, 2005 | - | |
| Oct 1, 2004 | - | MR | No | No | - | TT | - | Resolved | Jan 5, 2006 | - | |
| Oct 1, 2004 | - | MR | No | No | - | TT | - | Resolved | Jan 5, 2006 | - | |
| Oct 1, 2004 | - | MR | No | No | - | TT | - | Resolved | Jan 5, 2006 | - | |
| Oct 1, 2004 | - | MR | No | No | - | TT | - | Resolved | Jan 5, 2006 | - | |
| Oct 1, 2004 | - | MR | No | No | - | TT | - | Resolved | Jan 5, 2006 | - | |
| Jun 1, 1997 | Jun 30, 1997 | MCL | Yes | No | - | 5% of samples | - | Archived | Jun 30, 1997 | - | |
| Feb 1, 1996 | Feb 29, 1996 | MR | No | No | - | 5% of samples | - | Archived | Feb 29, 1996 | - | |
| Oct 1, 1995 | Oct 31, 1995 | MR | No | No | - | 5% of samples | - | Archived | Oct 31, 1995 | - | |
| May 1, 1995 | May 31, 1995 | MR | No | No | - | 5% of samples | - | Archived | May 31, 1995 | - | |
| Sep 1, 1994 | Sep 30, 1994 | MCL | Yes | No | - | 5% of samples | - | Archived | Sep 30, 1994 | - | |
| Sep 1, 1994 | Sep 30, 1994 | MCL | Yes | No | - | 5% of samples | - | Archived | Sep 30, 1994 | - | |
| Jan 1, 1994 | Dec 31, 1994 | MR | No | Yes | - | 10 mg/L | - | Archived | Dec 31, 1994 | - | |
| Nov 1, 1993 | Nov 30, 1993 | MR | No | No | - | 5% of samples | - | Archived | Nov 30, 1993 | - | |
| Jan 1, 1983 | Dec 31, 1985 | MR | No | Yes | - | 2 mg/L | - | Archived | Dec 31, 1985 | - | |
| Jan 1, 1983 | Dec 31, 1985 | MR | No | Yes | - | 10 mg/L | - | Archived | Dec 31, 1985 | - | |
| Jan 1, 1983 | Dec 31, 1985 | MR | No | Yes | - | 0.1 mg/L | - | Archived | Dec 31, 1985 | - | |
| Jan 1, 1983 | Dec 31, 1985 | MR | No | Yes | - | 0.010 mg/L | - | Archived | Dec 31, 1985 | - | |
| Jan 1, 1983 | Dec 31, 1985 | MR | No | Yes | - | 0.005 mg/L | - | Archived | Dec 31, 1985 | - | |
| Jan 1, 1983 | Dec 31, 1985 | MR | No | Yes | - | 0.05 mg/L | - | Archived | Dec 31, 1985 | - | |
| Jan 1, 1983 | Dec 31, 1985 | MR | No | Yes | - | 4.0 mg/L | - | Archived | Dec 31, 1985 | - | |
| Jan 1, 1983 | Dec 31, 1985 | MR | No | Yes | - | 0.002 mg/L | - | Archived | Dec 31, 1985 | - | |
| Jan 1, 1982 | Dec 31, 1985 | MR | No | Yes | - | 15 pCi/L | - | Archived | Dec 31, 1985 | - | |
| Jul 1, 1976 | Jun 30, 1980 | MR | No | No | - | 5 pCi/L | - | Archived | Jun 30, 1980 | - | |
| Jul 1, 1976 | Jun 30, 1980 | MR | No | No | - | 15 pCi/L | - | Archived | Jun 30, 1980 | - |
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.