PIERPONT
South Dakota - Community Water System - PWSID: SD4600241
System Information
| PWSID | SD4600241 |
| System Name | PIERPONT |
| System Type | Community Water System |
| Water Source | Ground Water Purchased |
| Activity Status | Active |
| 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 | PIERPONT |
| ZIP Code | 57468 |
| Address | PO BOX 192 |
| Organization | PIERPONT |
| Phone | - |
Population & Service
| Population Served | 129 |
| Service Connections | 74 |
Drinking Water Violations (34)
This water system has 34 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, 2021 | Apr 30, 2021 | MON | No | Yes | - | - | - | Resolved | Apr 30, 2021 | - | |
| Apr 1, 2021 | Apr 30, 2021 | MON | No | Yes | - | - | - | Resolved | Apr 30, 2021 | - | |
| Apr 1, 2021 | Apr 30, 2021 | MON | No | Yes | - | - | - | Resolved | Apr 30, 2021 | - | |
| Mar 27, 2012 | - | Other | No | No | - | - | - | Resolved | Aug 22, 2013 | - | |
| Mar 27, 2012 | - | Other | No | No | - | - | - | Resolved | Aug 22, 2013 | - | |
| Oct 4, 2003 | - | Other | No | No | - | - | - | Resolved | May 17, 2007 | - | |
| Jul 1, 2003 | Jul 31, 2003 | MR | No | No | - | 5% of samples | - | Resolved | Jul 31, 2003 | - | |
| Jul 1, 2003 | Jul 31, 2003 | MR | No | No | - | 5% of samples | - | Resolved | Jul 31, 2003 | - | |
| Jul 1, 2003 | Jul 31, 2003 | MR | No | No | - | 5% of samples | - | Resolved | Jul 31, 2003 | - | |
| Sep 1, 2002 | Sep 30, 2002 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2002 | - | |
| Sep 1, 2002 | Sep 30, 2002 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2002 | - | |
| Sep 1, 2002 | Sep 30, 2002 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2002 | - | |
| Sep 1, 2002 | Sep 30, 2002 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2002 | - | |
| May 5, 1992 | Jun 4, 1992 | Other | No | No | - | - | - | Archived | Jun 4, 1992 | - | |
| Feb 1, 1992 | Feb 29, 1992 | MR | No | Yes | - | 5% of samples | - | Archived | Feb 29, 1992 | - | |
| Feb 1, 1992 | Feb 29, 1992 | MR | No | Yes | - | 5% of samples | - | Archived | Feb 29, 1992 | - | |
| Jun 1, 1990 | Jun 30, 1990 | Other | No | No | - | - | - | Archived | Jun 30, 1990 | - | |
| Jul 1, 1976 | Jun 30, 1980 | MR | No | No | - | 15 pCi/L | - | Archived | Jun 30, 1980 | - | |
| Jul 1, 1976 | Jun 30, 1980 | MR | No | No | - | 5 pCi/L | - | Archived | Jun 30, 1980 | - | |
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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.