LARCHWOOD WATER SUPPLY
PWS ID: IA6050059 · LARCHWOOD, Iowa 51241
Population Served
926
Total Violations
72
Health-Based Violations
3
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 394
- County
- Lyon
- School/Daycare
- No
- MCL Violations
- 3
- Monitoring Violations
- 67
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MR | 35 | 2010 |
| Nitrate | MR | 10 | 1997 |
| Chlorine | MR | 8 | 2010 |
| Total Haloacetic Acids (HAA5) | MR | 4 | 2013 |
| TTHM | MR | 4 | 2013 |
| Gross Alpha, Excl. Radon and U | MR | 3 | 1995 |
| Combined Radium (-226 and -228) | MR | 3 | 2004 |
| Combined Radium (-226 and -228) | MCL | 3 | 1991 |
| Consumer Confidence Rule | Other | 1 | 2025 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.