EUREKA
South Dakota - Community Water System - PWSID: SD4600121
System Information
| PWSID | SD4600121 |
| System Name | EUREKA |
| System Type | Community Water System |
| Water Source | Surface 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 | EUREKA |
| ZIP Code | 57437 |
| Address | PO BOX 655 |
| Organization | EUREKA |
| Phone | 6052842348 |
Population & Service
| Population Served | 813 |
| Service Connections | 591 |
Drinking Water Violations (19)
This water system has 19 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, 2023 | - | MR | No | No | - | TT | - | Resolved | Sep 30, 2024 | - | |
| Oct 1, 2023 | - | MR | No | No | - | TT | - | Resolved | Sep 30, 2024 | - | |
| Jan 26, 2018 | - | TT | Yes | No | - | - | - | Resolved | Nov 15, 2018 | - | |
| Jan 26, 2018 | - | TT | Yes | No | - | - | - | Resolved | Nov 15, 2018 | - | |
| Feb 1, 2013 | - | TT | Yes | No | - | - | - | Resolved | Mar 13, 2013 | - | |
| Feb 1, 2013 | - | TT | Yes | No | - | - | - | Resolved | Mar 13, 2013 | - | |
| Feb 1, 2010 | - | TT | Yes | No | - | - | - | Resolved | Mar 11, 2010 | - | |
| Feb 1, 2010 | - | TT | Yes | No | - | - | - | Resolved | Mar 11, 2010 | - | |
| Sep 14, 1998 | Oct 13, 1998 | Other | No | No | - | TT | - | Archived | Oct 13, 1998 | - | |
| Jan 1, 1998 | Jul 1, 1998 | MR | No | No | - | TT | - | Resolved | Jul 1, 1998 | - | |
| Jan 1, 1998 | Jul 1, 1998 | MR | No | No | - | TT | - | Resolved | Jul 1, 1998 | - | |
| Jan 1, 1998 | Jul 1, 1998 | MR | No | No | - | TT | - | Resolved | Jul 1, 1998 | - | |
| Aug 1, 1995 | Aug 31, 1995 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 1995 | - | |
| Aug 1, 1995 | Aug 31, 1995 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 1995 | - | |
| Aug 1, 1995 | Aug 31, 1995 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 1995 | - | |
| Dec 1, 1993 | Dec 31, 1993 | MR | No | No | - | 5% of samples | - | Archived | Dec 31, 1993 | - | |
| 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 | - | |
| - | - | - | 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.