UPPER SIOUX COMMUNITY
Minnesota — Community Water System — PWSID: 055294902
System Information
| PWSID | 055294902 |
| System Name | UPPER SIOUX COMMUNITY |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Native American |
| EPA Region | 05 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Aug 28, 2012 |
| Last Reported | Dec 23, 2025 |
Location & Contact
| State | Minnesota |
| City | GRANITE FALLS |
| ZIP Code | 56241 |
| Address | Upper Sioux Board of Trustees |
| Organization | JENSVOLD, KEVIN |
| Phone | 320-564-6326 |
Population & Service
| Population Served | 1,900 |
| Service Connections | 67 |
Drinking Water Violations (37)
This water system has 37 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 1, 2024 | Dec 31, 2024 | Barium | MR | No | Yes | — | 2 mg/L | — | Resolved | Dec 31, 2024 | Inorganic Chemicals |
| Jan 1, 2024 | Dec 31, 2024 | Thallium, Total | MR | No | Yes | — | 0.002 mg/L | — | Resolved | Dec 31, 2024 | Inorganic Chemicals |
| Jan 1, 2024 | Dec 31, 2024 | Thallium, Total | MR | No | Yes | — | 0.002 mg/L | — | Resolved | Dec 31, 2024 | Inorganic Chemicals |
| Jan 1, 2024 | Dec 31, 2024 | Beryllium, Total | MR | No | Yes | — | 0.004 mg/L | — | Resolved | Dec 31, 2024 | Inorganic Chemicals |
| Jan 1, 2024 | Dec 31, 2024 | Beryllium, Total | MR | No | Yes | — | 0.004 mg/L | — | Resolved | Dec 31, 2024 | Inorganic Chemicals |
| Jan 1, 2024 | Dec 31, 2024 | Antimony, Total | MR | No | Yes | — | 0.006 mg/L | — | Resolved | Dec 31, 2024 | Inorganic Chemicals |
| Jan 1, 2024 | Dec 31, 2024 | Antimony, Total | MR | No | Yes | — | 0.006 mg/L | — | Resolved | Dec 31, 2024 | Inorganic Chemicals |
| Jan 1, 2024 | Dec 31, 2024 | Fluoride | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Dec 31, 2024 | Inorganic Chemicals |
| Jan 1, 2024 | Dec 31, 2024 | Fluoride | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Dec 31, 2024 | Inorganic Chemicals |
| Jan 1, 2024 | Dec 31, 2024 | Fluoride | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Dec 31, 2024 | Inorganic Chemicals |
| Jan 1, 2024 | Dec 31, 2024 | CYANIDE | MR | No | Yes | — | 0.2 mg/L | — | Resolved | Dec 31, 2024 | Inorganic Chemicals |
| Jan 1, 2024 | Dec 31, 2024 | CYANIDE | MR | No | Yes | — | 0.2 mg/L | — | Resolved | Dec 31, 2024 | Inorganic Chemicals |
| Jan 1, 2024 | Dec 31, 2024 | CYANIDE | MR | No | Yes | — | 0.2 mg/L | — | Resolved | Dec 31, 2024 | Inorganic Chemicals |
| Jan 1, 2024 | Dec 31, 2024 | Barium | MR | No | Yes | — | 2 mg/L | — | Resolved | Dec 31, 2024 | Inorganic Chemicals |
| Jan 1, 2024 | Dec 31, 2024 | Arsenic | MR | No | Yes | — | 0.010 mg/L | — | Resolved | Dec 31, 2024 | Arsenic Rule |
| Jan 1, 2024 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Nov 4, 2024 | Lead and Copper Rule |
| Jan 1, 2024 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Nov 4, 2024 | Lead and Copper Rule |
| Jan 1, 2024 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Nov 4, 2024 | Lead and Copper Rule |
| Jan 1, 2024 | Dec 31, 2024 | Thallium, Total | MR | No | Yes | — | 0.002 mg/L | — | Resolved | Dec 31, 2024 | Inorganic Chemicals |
| Jan 1, 2024 | Dec 31, 2024 | Asbestos | MR | No | Yes | — | 7 MFL | — | Resolved | Dec 31, 2024 | Inorganic Chemicals |
| Jan 1, 2024 | Dec 31, 2024 | Asbestos | MR | No | Yes | — | 7 MFL | — | Resolved | Dec 31, 2024 | Inorganic Chemicals |
| Jan 1, 2024 | Dec 31, 2024 | Asbestos | MR | No | Yes | — | 7 MFL | — | Resolved | Dec 31, 2024 | Inorganic Chemicals |
| Jan 1, 2024 | Dec 31, 2024 | Selenium | MR | No | Yes | — | 0.05 mg/L | — | Resolved | Dec 31, 2024 | Inorganic Chemicals |
| Jan 1, 2024 | Dec 31, 2024 | Selenium | MR | No | Yes | — | 0.05 mg/L | — | Resolved | Dec 31, 2024 | Inorganic Chemicals |
| Jan 1, 2020 | Dec 31, 2022 | HEXACHLOROBENZENE | MR | No | Yes | — | 0.001 mg/L | — | Resolved | Dec 31, 2022 | Synthetic Organic Chemicals |
| Jan 1, 2020 | Dec 31, 2022 | Aldicarb sulfoxide | MR | No | Yes | — | — | — | Resolved | Dec 31, 2022 | Synthetic Organic Chemicals |
| Jan 1, 2020 | Dec 31, 2022 | Aldicarb sulfoxide | MR | No | Yes | — | — | — | Resolved | Dec 31, 2022 | Synthetic Organic Chemicals |
| Jan 1, 2020 | Dec 31, 2022 | Aldicarb sulfone | MR | No | Yes | — | — | — | Resolved | Dec 31, 2022 | Synthetic Organic Chemicals |
| Jan 1, 2020 | Dec 31, 2022 | Pentachlorophenol | MR | No | Yes | — | 0.001 mg/L | — | Resolved | Dec 31, 2022 | Synthetic Organic Chemicals |
| Jan 1, 2020 | Dec 31, 2022 | Benzo(a)pyrene | MR | No | Yes | — | 0.0002 mg/L | — | Resolved | Dec 31, 2022 | Synthetic Organic Chemicals |
| Jan 1, 2020 | Dec 31, 2022 | Heptachlor epoxide | MR | No | Yes | — | 0.0002 mg/L | — | Resolved | Dec 31, 2022 | Synthetic Organic Chemicals |
| Jan 1, 2020 | Dec 31, 2022 | Heptachlor epoxide | MR | No | Yes | — | 0.0002 mg/L | — | Resolved | Dec 31, 2022 | Synthetic Organic Chemicals |
| Jan 1, 2020 | Dec 31, 2022 | Heptachlor | MR | No | Yes | — | 0.0004 mg/L | — | Resolved | Dec 31, 2022 | Synthetic Organic Chemicals |
| Jan 1, 2020 | Dec 31, 2022 | Heptachlor | MR | No | Yes | — | 0.0004 mg/L | — | Resolved | Dec 31, 2022 | Synthetic Organic Chemicals |
| Jan 1, 2020 | Dec 31, 2022 | LASSO | MR | No | Yes | — | — | — | Resolved | Dec 31, 2022 | Synthetic Organic Chemicals |
| Jan 1, 2020 | Dec 31, 2022 | Aldicarb sulfone | MR | No | Yes | — | — | — | Resolved | Dec 31, 2022 | Synthetic Organic Chemicals |
| Jan 1, 2017 | Dec 31, 2019 | Asbestos | MR | No | Yes | — | 7 MFL | — | Resolved | Dec 31, 2019 | Inorganic Chemicals |
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.