INTERIOR
South Dakota - Community Water System - PWSID: SD4600171
System Information
| PWSID | SD4600171 |
| System Name | INTERIOR |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Inactive |
| Owner Type | Local |
| EPA Region | 08 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Feb 13, 1979 |
| Last Reported | Mar 2, 2026 |
Location & Contact
| State | South Dakota |
| City | INTERIOR |
| ZIP Code | 577500063 |
| Address | GALEN LIVERMONT |
| Organization | - |
| Phone | - |
Population & Service
| Population Served | 77 |
| Service Connections | 34 |
Drinking Water Violations (76)
This water system has 76 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jul 1, 2001 | Aug 1, 2001 | Other | No | Yes | - | - | - | Resolved | Aug 1, 2001 | - | |
| Jul 1, 2001 | Aug 1, 2001 | Other | No | Yes | - | - | - | Resolved | Aug 1, 2001 | - | |
| Oct 1, 1998 | Oct 31, 1998 | MCL | Yes | No | - | 5% of samples | - | Archived | Oct 31, 1998 | - | |
| Oct 1, 1998 | Oct 31, 1998 | MCL | Yes | No | - | 5% of samples | - | Archived | Oct 31, 1998 | - | |
| Jan 1, 1998 | Jan 31, 1998 | MCL | Yes | No | - | 5% of samples | - | Archived | Jan 31, 1998 | - | |
| Jan 1, 1998 | Jan 31, 1998 | MCL | Yes | No | - | 5% of samples | - | Archived | Jan 31, 1998 | - | |
| Dec 14, 1996 | Jan 13, 1997 | Other | No | No | - | 5% of samples | - | Archived | Jan 13, 1997 | - | |
| Nov 1, 1996 | Nov 30, 1996 | MCL | Yes | No | - | 5% of samples | - | Archived | Nov 30, 1996 | - | |
| Nov 1, 1996 | Nov 30, 1996 | MCL | Yes | No | - | 5% of samples | - | Archived | Nov 30, 1996 | - | |
| Mar 16, 1996 | Apr 15, 1996 | Other | No | No | - | - | - | Archived | Apr 15, 1996 | - | |
| Jan 1, 1996 | Sep 16, 1997 | MR | No | No | - | TT | - | Resolved | Sep 16, 1997 | - | |
| Jan 1, 1996 | Sep 16, 1997 | MR | No | No | - | TT | - | Resolved | Sep 16, 1997 | - | |
| Jan 1, 1996 | Sep 16, 1997 | MR | No | No | - | TT | - | Resolved | Sep 16, 1997 | - | |
| Jan 1, 1996 | Jan 31, 1996 | MR | No | No | - | 5% of samples | - | Archived | Jan 31, 1996 | - | |
| Sep 1, 1995 | Sep 30, 1995 | MCL | Yes | No | - | 5% of samples | - | Archived | Sep 30, 1995 | - | |
| Sep 1, 1995 | Sep 30, 1995 | MCL | Yes | No | - | 5% of samples | - | Archived | Sep 30, 1995 | - | |
| Dec 18, 1994 | Jan 17, 1995 | Other | No | No | - | - | - | Archived | Jan 17, 1995 | - | |
| Oct 1, 1994 | Oct 31, 1994 | MR | No | Yes | - | 5% of samples | - | Archived | Oct 31, 1994 | - | |
| Oct 1, 1994 | Oct 31, 1994 | MR | No | Yes | - | 5% of samples | - | Archived | Oct 31, 1994 | - | |
| Jul 1, 1994 | Mar 3, 1995 | MR | No | No | - | TT | - | Resolved | Mar 3, 1995 | - | |
| Jul 1, 1994 | Mar 3, 1995 | MR | No | No | - | TT | - | Resolved | Mar 3, 1995 | - | |
| Jul 1, 1994 | Jul 31, 1994 | Other | No | No | - | - | - | Archived | Jul 31, 1994 | - | |
| May 1, 1994 | May 31, 1994 | MCL | Yes | No | - | 5% of samples | - | Archived | May 31, 1994 | - | |
| May 1, 1994 | May 31, 1994 | MCL | Yes | No | - | 5% of samples | - | Archived | May 31, 1994 | - | |
| Apr 10, 1994 | Jun 9, 1994 | Other | No | No | - | - | - | Archived | Jun 9, 1994 | - | |
| Apr 1, 1994 | Apr 30, 1994 | MCL | Yes | No | - | 5% of samples | - | Archived | Apr 30, 1994 | - | |
| Apr 1, 1994 | Apr 30, 1994 | MCL | Yes | No | - | 5% of samples | - | Archived | Apr 30, 1994 | - | |
| Mar 1, 1994 | Mar 31, 1994 | MCL | Yes | No | - | 5% of samples | - | Archived | Mar 31, 1994 | - | |
| Mar 1, 1994 | Mar 31, 1994 | MCL | Yes | No | - | 5% of samples | - | Archived | Mar 31, 1994 | - | |
| Jan 1, 1994 | Mar 3, 1995 | MR | No | No | - | TT | - | Resolved | Mar 3, 1995 | - | |
| Jan 1, 1994 | Mar 3, 1995 | MR | No | No | - | TT | - | Resolved | Mar 3, 1995 | - | |
| Jan 1, 1993 | Dec 31, 1995 | MR | No | Yes | - | 7 MFL | - | Resolved | Dec 31, 1995 | - | |
| Jan 1, 1993 | Dec 31, 1995 | MR | No | Yes | - | 7 MFL | - | Resolved | Dec 31, 1995 | - | |
| Sep 4, 1992 | Oct 3, 1992 | Other | No | No | - | - | - | Archived | Oct 3, 1992 | - | |
| Jun 1, 1992 | Jun 30, 1992 | MR | No | Yes | - | 5% of samples | - | Archived | Jun 30, 1992 | - | |
| Jun 1, 1992 | Jun 30, 1992 | MR | No | Yes | - | 5% of samples | - | Archived | Jun 30, 1992 | - | |
| Mar 17, 1992 | Apr 16, 1992 | Other | No | No | - | - | - | Archived | Apr 16, 1992 | - | |
| Feb 13, 1992 | Mar 12, 1992 | Other | No | No | - | - | - | Archived | Mar 12, 1992 | - | |
| Jan 3, 1992 | Feb 2, 1992 | Other | No | No | - | - | - | Archived | Feb 2, 1992 | - | |
| Dec 16, 1991 | Jan 15, 1992 | Other | No | No | - | - | - | Archived | Jan 15, 1992 | - | |
| Dec 1, 1991 | Dec 31, 1991 | MR | No | Yes | - | 5% of samples | - | Archived | Dec 31, 1991 | - | |
| Dec 1, 1991 | Dec 31, 1991 | MR | No | Yes | - | 5% of samples | - | Archived | Dec 31, 1991 | - | |
| Nov 1, 1991 | Nov 30, 1991 | MR | No | Yes | - | 5% of samples | - | Archived | Nov 30, 1991 | - | |
| Nov 1, 1991 | Nov 30, 1991 | MR | No | Yes | - | 5% of samples | - | Archived | Nov 30, 1991 | - | |
| Oct 1, 1991 | Oct 31, 1991 | MCL | Yes | No | - | 5% of samples | - | Archived | Oct 31, 1991 | - | |
| Oct 1, 1991 | Oct 31, 1991 | MCL | Yes | No | - | 5% of samples | - | Archived | Oct 31, 1991 | - | |
| Sep 1, 1991 | Sep 30, 1991 | MR | No | Yes | - | 5% of samples | - | Archived | Sep 30, 1991 | - | |
| Aug 1, 1991 | Aug 31, 1991 | MCL | Yes | No | - | 5% of samples | - | Archived | Aug 31, 1991 | - | |
| Aug 1, 1991 | Aug 31, 1991 | MCL | Yes | No | - | 5% of samples | - | Archived | Aug 31, 1991 | - | |
| Jun 1, 1991 | Jun 30, 1991 | MCL | Yes | No | - | 5% of samples | - | Archived | Jun 30, 1991 | - |
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.