CLARENCE WATER SUPPLY
PWS ID: IA1630028 · MECHANICSVILLE, Iowa 52306
Population Served
1,039
Total Violations
73
Health-Based Violations
10
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 502
- County
- Cedar
- School/Daycare
- No
- MCL Violations
- 10
- Monitoring Violations
- 53
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MR | 16 | 2001 |
| Coliform (TCR) | MCL | 10 | 2006 |
| Gross Alpha, Excl. Radon and U | MR | 8 | 1990 |
| Arsenic | MR | 7 | 2000 |
| Revised Total Coliform Rule | MON | 4 | 2017 |
| Nitrate | MR | 4 | 2017 |
| Cadmium | MR | 2 | 1988 |
| Fluoride | MR | 2 | 1988 |
| Lead and Copper Rule | MR | 2 | 1990 |
| Selenium | MR | 2 | 1988 |
| Chromium | MR | 2 | 1988 |
| Mercury | MR | 2 | 1988 |
| Barium | MR | 2 | 1988 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.