LYON-SIOUX RWS-BOYDEN
PWS ID: IA6000744 · ROCK RAPIDS, Iowa 51246
Population Served
605
Total Violations
58
Health-Based Violations
30
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Private
- Connections
- 244
- County
- Lyon
- School/Daycare
- No
- MCL Violations
- 30
- Monitoring Violations
- 16
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Nitrate | MCL | 30 | 2001 |
| Nitrate | MR | 16 | 1994 |
| Nitrate | Other | 5 | 1987 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.