SAND PILLOW
Wisconsin — Community Water System — PWSID: 055295011
System Information
| PWSID | 055295011 |
| System Name | SAND PILLOW |
| 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 | Dec 9, 1983 |
| Last Reported | Dec 23, 2025 |
Location & Contact
| State | Wisconsin |
| City | BLACK RIVER FALLS |
| ZIP Code | 54615 |
| Address | P.O. Box 667 |
| Organization | GREENDEER, JOHN |
| Phone | 715-284-9343 |
Population & Service
| Population Served | 2,746 |
| Service Connections | 195 |
Drinking Water Violations (23)
This water system has 23 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Apr 1, 2019 | Jun 30, 2019 | Chlorine | MR | No | Yes | — | 4.0 mg/L | — | Resolved | May 15, 2019 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Apr 1, 2019 | Jun 30, 2019 | Chlorine | MR | No | Yes | — | 4.0 mg/L | — | Resolved | May 15, 2019 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Apr 1, 2019 | — | Revised Total Coliform Rule | RPT | No | No | — | — | — | Resolved | May 15, 2019 | Revised Total Coliform Rule |
| Apr 1, 2019 | — | Revised Total Coliform Rule | RPT | No | No | — | — | — | Resolved | May 15, 2019 | Revised Total Coliform Rule |
| Apr 1, 2019 | — | Revised Total Coliform Rule | RPT | No | No | — | — | — | Resolved | May 15, 2019 | Revised Total Coliform Rule |
| Apr 1, 2019 | — | Revised Total Coliform Rule | RPT | No | No | — | — | — | Resolved | May 15, 2019 | Revised Total Coliform Rule |
| Apr 1, 2019 | Jun 30, 2019 | Chlorine | MR | No | Yes | — | 4.0 mg/L | — | Resolved | May 15, 2019 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Apr 1, 2019 | Jun 30, 2019 | Chlorine | MR | No | Yes | — | 4.0 mg/L | — | Resolved | May 15, 2019 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2017 | Dec 31, 2019 | Nickel | MR | No | Yes | — | — | — | Resolved | Dec 31, 2019 | Inorganic Chemicals |
| Jan 1, 2017 | Dec 31, 2019 | Thallium, Total | MR | No | Yes | — | 0.002 mg/L | — | Resolved | Dec 31, 2019 | Inorganic Chemicals |
| Jan 1, 2017 | Dec 31, 2019 | Thallium, Total | MR | No | Yes | — | 0.002 mg/L | — | Resolved | Dec 31, 2019 | Inorganic Chemicals |
| Jan 1, 2017 | Dec 31, 2019 | Thallium, Total | MR | No | Yes | — | 0.002 mg/L | — | Resolved | Dec 31, 2019 | Inorganic Chemicals |
| Jan 1, 2017 | Dec 31, 2019 | Thallium, Total | MR | No | Yes | — | 0.002 mg/L | — | Resolved | Dec 31, 2019 | Inorganic Chemicals |
| Jan 1, 2017 | Dec 31, 2019 | Nickel | MR | No | Yes | — | — | — | Resolved | Dec 31, 2019 | Inorganic Chemicals |
| Jan 1, 2017 | Dec 31, 2019 | Nickel | MR | No | Yes | — | — | — | Resolved | Dec 31, 2019 | Inorganic Chemicals |
| Jan 1, 2017 | Dec 31, 2019 | Nickel | MR | No | Yes | — | — | — | Resolved | Dec 31, 2019 | Inorganic Chemicals |
| Jan 1, 2017 | Dec 31, 2019 | CYANIDE | MR | No | Yes | — | 0.2 mg/L | — | Resolved | Dec 31, 2019 | Inorganic Chemicals |
| Jan 1, 2017 | Dec 31, 2019 | CYANIDE | MR | No | Yes | — | 0.2 mg/L | — | Resolved | Dec 31, 2019 | Inorganic Chemicals |
| Jan 1, 2017 | Dec 31, 2019 | CYANIDE | MR | No | Yes | — | 0.2 mg/L | — | Resolved | Dec 31, 2019 | Inorganic Chemicals |
| Jan 1, 2017 | Dec 31, 2019 | CYANIDE | MR | No | Yes | — | 0.2 mg/L | — | Resolved | Dec 31, 2019 | Inorganic Chemicals |
| May 1, 2000 | May 31, 2000 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Archived | May 31, 2000 | Total Coliform Rule |
| May 1, 2000 | May 31, 2000 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Archived | May 31, 2000 | Total Coliform Rule |
| May 1, 2000 | May 31, 2000 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Archived | May 31, 2000 | Total Coliform 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.