FLANDREAU
South Dakota — Community Water System — PWSID: SD4600127
System Information
| PWSID | SD4600127 |
| System Name | FLANDREAU |
| 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 | Dec 9, 2025 |
Location & Contact
| State | South Dakota |
| City | FLANDREAU |
| ZIP Code | 57028 |
| Address | 1005 WEST ELM AVE |
| Organization | FLANDREAU |
| Phone | 6059972492 |
Population & Service
| Population Served | 2,372 |
| Service Connections | 1,079 |
Drinking Water Violations (12)
This water system has 12 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 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Sep 24, 2024 | Lead and Copper Rule |
| Oct 1, 2023 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Sep 24, 2024 | Lead and Copper Rule |
| Jul 27, 2022 | — | Stage 1 Disinfectants and Disinfection Byproducts Rule | TT | Yes | No | — | — | — | Resolved | Feb 8, 2024 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jul 27, 2022 | — | Stage 1 Disinfectants and Disinfection Byproducts Rule | TT | Yes | No | — | — | — | Resolved | Feb 8, 2024 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jan 8, 2018 | — | Stage 1 Disinfectants and Disinfection Byproducts Rule | TT | Yes | No | — | — | — | Resolved | Aug 9, 2018 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Aug 1, 2011 | Aug 31, 2011 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Aug 31, 2011 | Total Coliform Rule |
| Aug 1, 2011 | Aug 31, 2011 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Aug 31, 2011 | Total Coliform Rule |
| Jul 1, 2011 | Sep 30, 2011 | Chlorine | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Sep 30, 2011 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2011 | Sep 30, 2011 | Chlorine | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Sep 30, 2011 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2011 | Sep 30, 2011 | Chlorine | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Sep 30, 2011 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 1976 | Jun 30, 1980 | Combined Radium (-226 and -228) | MR | No | No | — | 5 pCi/L | — | Archived | Jun 30, 1980 | Radionuclides and Revised Rad Rule |
| Jul 1, 1976 | Jun 30, 1980 | Gross Alpha, Excl. Radon and U | MR | No | No | — | 15 pCi/L | — | Archived | Jun 30, 1980 | Radionuclides and Revised Rad Rule |
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.