LESTER WATER SUPPLY
PWS ID: IA6055077 · LESTER, Iowa 51242
Population Served
296
Total Violations
63
Health-Based Violations
15
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 112
- County
- Lyon
- School/Daycare
- No
- MCL Violations
- 15
- Monitoring Violations
- 34
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Combined Uranium | MCL | 14 | 2004 |
| Combined Uranium | MR | 10 | 2003 |
| Revised Total Coliform Rule | MON | 8 | 2017 |
| Nitrate | MR | 6 | 1995 |
| Coliform (TCR) | MR | 4 | 2009 |
| BHC-GAMMA | MR | 3 | 1994 |
| 1,2,4-Trichlorobenzene | MR | 3 | 1995 |
| Nitrate | MCL | 1 | 1979 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.