LAND O LAKES SANITARY DIST
PWS ID: WI7640112 · Land O Lakes, Wisconsin 54540
Population Served
450
Total Violations
433
Health-Based Violations
16
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 182
- County
- Vilas
- School/Daycare
- No
- MCL Violations
- 4
- Monitoring Violations
- 379
- Treatment Tech Violations
- 12
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Revised Total Coliform Rule | MON | 28 | 2023 |
| Coliform (TCR) | MR | 20 | 2016 |
| Total Haloacetic Acids (HAA5) | MR | 17 | 2024 |
| TTHM | MR | 17 | 2024 |
| Combined Radium (-226 and -228) | MR | 15 | 2009 |
| Radium-228 | MR | 15 | 2009 |
| Gross Alpha, Excl. Radon and U | MR | 15 | 2009 |
| Chlorine | MR | 13 | 2016 |
| Consumer Confidence Rule | Other | 11 | 2023 |
| 1,2,4-Trichlorobenzene | MR | 10 | 2007 |
| cis-1,2-Dichloroethylene | MR | 10 | 2007 |
| Xylenes, Total | MR | 10 | 2007 |
| o-Dichlorobenzene | MR | 10 | 2007 |
| p-Dichlorobenzene | MR | 10 | 2007 |
| Vinyl chloride | MR | 10 | 2007 |
| 1,1-Dichloroethylene | MR | 10 | 2007 |
| 1,2-Dichloroethane | MR | 10 | 2007 |
| Carbon tetrachloride | MR | 10 | 2007 |
| 1,2-Dichloropropane | MR | 10 | 2007 |
| Tetrachloroethylene | MR | 10 | 2007 |
| CHLOROBENZENE | MR | 10 | 2007 |
| Toluene | MR | 10 | 2007 |
| DICHLOROMETHANE | MR | 10 | 2007 |
| 1,1,1-Trichloroethane | MR | 10 | 2007 |
| Styrene | MR | 10 | 2007 |
| Combined Uranium | MR | 10 | 2008 |
| Radium-226 | MR | 10 | 2008 |
| Ethylbenzene | MR | 10 | 2007 |
| trans-1,2-Dichloroethylene | MR | 10 | 2007 |
| Benzene | MR | 10 | 2007 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.