SPEARFISH
South Dakota - Community Water System - PWSID: SD4600311
System Information
| PWSID | SD4600311 |
| System Name | SPEARFISH |
| 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 | SPEARFISH |
| ZIP Code | 57783 |
| Address | 625 NORTH 5TH STREET |
| Organization | SPEARFISH |
| Phone | 6057171170 |
Population & Service
| Population Served | 12,193 |
| Service Connections | 4,981 |
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan 12, 2013 | - | MR | No | Yes | - | - | - | Resolved | Apr 30, 2013 | - | |
| Jan 12, 2013 | - | MR | No | Yes | - | - | - | Resolved | Apr 30, 2013 | - | |
| Jan 12, 2013 | - | MR | No | Yes | - | - | - | Resolved | Apr 30, 2013 | - | |
| Jan 1, 2001 | Dec 31, 2001 | MR | No | Yes | - | 5 pCi/L | - | Resolved | Dec 31, 2001 | - | |
| Jan 1, 2001 | Dec 31, 2001 | MR | No | Yes | - | 5 pCi/L | - | Resolved | Dec 31, 2001 | - | |
| Jan 1, 2001 | Dec 31, 2001 | MR | No | Yes | - | 5 pCi/L | - | Resolved | Dec 31, 2001 | - | |
| Jan 1, 2001 | Dec 31, 2001 | MR | No | Yes | - | 15 pCi/L | - | Resolved | Dec 31, 2001 | - | |
| Jan 1, 2001 | Dec 31, 2001 | MR | No | Yes | - | 15 pCi/L | - | Resolved | Dec 31, 2001 | - | |
| Jan 1, 2001 | Dec 31, 2001 | MR | No | Yes | - | 15 pCi/L | - | Resolved | Dec 31, 2001 | - | |
| Nov 1, 2000 | Nov 30, 2000 | MR | No | No | - | 5% of samples | - | Resolved | Nov 30, 2000 | - | |
| Nov 1, 2000 | Nov 30, 2000 | MR | No | No | - | 5% of samples | - | Resolved | Nov 30, 2000 | - | |
| Nov 1, 2000 | Nov 30, 2000 | MR | No | No | - | 5% of samples | - | Resolved | Nov 30, 2000 | - | |
| Jan 1, 1995 | Dec 31, 1995 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 1995 | - | |
| Jan 1, 1995 | Dec 31, 1995 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 1995 | - | |
| Jan 1, 1995 | Dec 31, 1995 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 1995 | - | |
| Jul 1, 1992 | Apr 9, 1993 | MR | No | No | - | TT | - | Resolved | Apr 9, 1993 | - | |
| Jul 1, 1992 | Apr 9, 1993 | MR | No | No | - | TT | - | Resolved | Apr 9, 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 | - |
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.