WATERTOWN MUNICIPAL UTILITIES
South Dakota — Community Water System — PWSID: SD4600356
System Information
| PWSID | SD4600356 |
| System Name | WATERTOWN MUNICIPAL UTILITIES |
| System Type | Community Water System |
| Water Source | Ground Water |
| 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 | WATERTOWN |
| ZIP Code | 57201 |
| Address | 901 FOURTH AVE SW |
| Organization | WATERTOWN MUNICIPAL UTILITIES |
| Phone | 6058826233 |
Population & Service
| Population Served | 23,230 |
| Service Connections | 9,968 |
Drinking Water Violations (10)
This water system has 10 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, 2016 | Sep 30, 2016 | MCL | Yes | No | .083 MG/L | 0.080 mg/L | — | Resolved | Sep 30, 2016 | — | |
| Jul 1, 2016 | Sep 30, 2016 | MCL | Yes | No | .083 MG/L | 0.080 mg/L | — | Resolved | Sep 30, 2016 | — | |
| Jul 1, 2016 | Sep 30, 2016 | MCL | Yes | No | .083 MG/L | 0.080 mg/L | — | Resolved | Sep 30, 2016 | — | |
| Jan 1, 1999 | Dec 31, 1999 | MR | No | Yes | — | 0.003 mg/L | — | Resolved | Dec 31, 1999 | — | |
| Jan 1, 1999 | Dec 31, 1999 | MR | No | Yes | — | 0.003 mg/L | — | Resolved | Dec 31, 1999 | — | |
| Jan 1, 1999 | Dec 31, 1999 | MR | No | Yes | — | 0.003 mg/L | — | Resolved | Dec 31, 1999 | — | |
| 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 | — | — | — | — | — | — | |
| — | — | — | 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.