LONE ROCK WATER SUPPLY
PWS ID: IA5547094 · WHITTEMORE, Iowa 50598
Population Served
146
Total Violations
120
Health-Based Violations
5
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 94
- County
- Kossuth
- School/Daycare
- No
- MCL Violations
- 5
- Monitoring Violations
- 112
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Revised Total Coliform Rule | MON | 13 | 2024 |
| Coliform (TCR) | MCL | 5 | 2005 |
| LASSO | MR | 3 | 1995 |
| Benzo(a)pyrene | MR | 3 | 1995 |
| Di(2-ethylhexyl) phthalate | MR | 3 | 1995 |
| 2,4,5-TP | MR | 3 | 1995 |
| Benzene | MR | 3 | 1995 |
| Carbon tetrachloride | MR | 3 | 1995 |
| 1,2-Dichloroethane | MR | 3 | 1995 |
| cis-1,2-Dichloroethylene | MR | 3 | 1995 |
| Ethylbenzene | MR | 3 | 1995 |
| 1,1,2-Trichloroethane | MR | 3 | 1995 |
| Trichloroethylene | MR | 3 | 1995 |
| Vinyl chloride | MR | 3 | 1995 |
| Atrazine | MR | 3 | 1995 |
| Xylenes, Total | MR | 3 | 1995 |
| 1,2-Dichloropropane | MR | 3 | 1995 |
| Di(2-ethylhexyl) adipate | MR | 3 | 1995 |
| trans-1,2-Dichloroethylene | MR | 3 | 1995 |
| 1,2,4-Trichlorobenzene | MR | 3 | 1995 |
| 1,1-Dichloroethylene | MR | 3 | 1995 |
| 2,4-D | MR | 3 | 1995 |
| Styrene | MR | 3 | 1995 |
| DICHLOROMETHANE | MR | 3 | 1995 |
| Toluene | MR | 3 | 1995 |
| Pentachlorophenol | MR | 3 | 1995 |
| Dalapon | MR | 3 | 1995 |
| Picloram | MR | 3 | 1995 |
| p-Dichlorobenzene | MR | 3 | 1995 |
| CHLOROBENZENE | MR | 3 | 1995 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.