AMHERST WATER COMPANY
South Dakota — Community Water System — PWSID: SD4600030
System Information
| PWSID | SD4600030 |
| System Name | AMHERST WATER COMPANY |
| System Type | Community Water System |
| Water Source | Ground Water Purchased |
| Activity Status | Active |
| Owner Type | Private |
| EPA Region | 08 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Feb 13, 1979 |
| Last Reported | Mar 2, 2026 |
Location & Contact
| State | South Dakota |
| City | BRITTON |
| ZIP Code | 57430 |
| Address | PO BOX 49 |
| Organization | AMHERST WATER COMPANY |
| Phone | 6054485417 |
Population & Service
| Population Served | 40 |
| Service Connections | 16 |
Drinking Water Violations (36)
This water system has 36 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 1, 2014 | Dec 31, 2014 | MRDL | Yes | No | 4.1 MG/L | 4.0 mg/L | — | Resolved | Dec 31, 2014 | — | |
| Oct 1, 2014 | Dec 31, 2014 | MRDL | Yes | No | 4.1 MG/L | 4.0 mg/L | — | Resolved | Dec 31, 2014 | — | |
| Oct 1, 2014 | Dec 31, 2014 | MRDL | Yes | No | 4.1 MG/L | 4.0 mg/L | — | Resolved | Dec 31, 2014 | — | |
| Oct 1, 2004 | — | Other | No | No | — | — | — | Resolved | Jan 11, 2005 | — | |
| Oct 1, 2004 | — | Other | No | No | — | — | — | Resolved | Jan 11, 2005 | — | |
| Jul 1, 2004 | — | Other | No | No | — | — | — | Resolved | Jan 3, 2005 | — | |
| Jul 1, 2004 | — | Other | No | No | — | — | — | Resolved | Jan 3, 2005 | — | |
| Oct 1, 2001 | Jun 11, 2002 | Other | No | No | — | — | — | Resolved | Jun 11, 2002 | — | |
| Oct 1, 2001 | Jun 11, 2002 | Other | No | No | — | — | — | Resolved | Jun 11, 2002 | — | |
| Oct 1, 2001 | Jun 11, 2002 | Other | No | No | — | — | — | Resolved | Jun 11, 2002 | — | |
| Jul 1, 2000 | Jul 24, 2000 | Other | No | Yes | — | — | — | Resolved | Jul 24, 2000 | — | |
| Jul 1, 2000 | Jul 24, 2000 | Other | No | Yes | — | — | — | Resolved | Jul 24, 2000 | — | |
| Nov 12, 1994 | Dec 11, 1994 | Other | No | No | — | — | — | Archived | Dec 11, 1994 | — | |
| Sep 1, 1994 | Sep 30, 1994 | MR | No | Yes | — | 5% of samples | — | Archived | Sep 30, 1994 | — | |
| Sep 1, 1994 | Sep 30, 1994 | MR | No | Yes | — | 5% of samples | — | Archived | Sep 30, 1994 | — | |
| Jul 1, 1994 | Jan 10, 1995 | MR | No | No | — | TT | — | Resolved | Jan 10, 1995 | — | |
| Jul 1, 1994 | Jan 10, 1995 | MR | No | No | — | TT | — | Resolved | Jan 10, 1995 | — | |
| Jan 1, 1994 | Jan 10, 1995 | MR | No | No | — | TT | — | Resolved | Jan 10, 1995 | — | |
| Jan 1, 1994 | Jan 10, 1995 | MR | No | No | — | TT | — | Resolved | Jan 10, 1995 | — | |
| Dec 11, 1993 | Feb 10, 1994 | Other | No | No | — | — | — | Archived | Feb 10, 1994 | — | |
| Nov 8, 1993 | Jan 7, 1994 | Other | No | No | — | — | — | Archived | Jan 7, 1994 | — | |
| Oct 1, 1993 | Oct 31, 1993 | MR | No | Yes | — | 5% of samples | — | Archived | Oct 31, 1993 | — | |
| Oct 1, 1993 | Oct 31, 1993 | MR | No | Yes | — | 5% of samples | — | Archived | Oct 31, 1993 | — | |
| Sep 1, 1993 | Sep 30, 1993 | MR | No | Yes | — | 5% of samples | — | Archived | Sep 30, 1993 | — | |
| Sep 1, 1993 | Sep 30, 1993 | MR | No | Yes | — | 5% of samples | — | Archived | Sep 30, 1993 | — | |
| Mar 8, 1990 | Apr 7, 1990 | Other | No | No | — | — | — | Archived | Apr 7, 1990 | — | |
| Sep 28, 1988 | Sep 27, 1991 | MCL | Yes | No | 6.6 | 4.0 mg/L | 4 | Resolved | Aug 10, 1990 | — | |
| Sep 28, 1988 | Sep 27, 1991 | MCL | Yes | No | 6.6 | 4.0 mg/L | 4 | Resolved | Aug 10, 1990 | — | |
| Sep 28, 1988 | Sep 27, 1991 | MCL | Yes | No | 6.6 | 4.0 mg/L | 4 | Resolved | Aug 10, 1990 | — | |
| Sep 28, 1988 | Sep 27, 1991 | MCL | Yes | No | 6.6 | 4.0 mg/L | 4 | Resolved | Aug 10, 1990 | — | |
| Sep 28, 1988 | Sep 27, 1991 | MCL | Yes | No | 6.6 | 4.0 mg/L | 4 | Resolved | Aug 10, 1990 | — | |
| 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 | — | |
| — | — | — | No | No | — | — | — | — | — | — | |
| — | — | — | No | No | — | — | — | — | — | — | |
| — | — | — | 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.