RYAN WATER SUPPLY
PWS ID: IA2864013 · RYAN, Iowa 52330
Population Served
350
Total Violations
133
Health-Based Violations
5
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 160
- County
- Delaware
- School/Daycare
- No
- MCL Violations
- 5
- Monitoring Violations
- 56
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Nitrite | MR | 12 | 2019 |
| Total Haloacetic Acids (HAA5) | MR | 8 | 2010 |
| Arsenic | MR | 8 | 2002 |
| Fluoride | MR | 8 | 1989 |
| Chlorine | MR | 5 | 2005 |
| Nitrite | MCL | 5 | 2018 |
| Nitrate | MR | 5 | 1986 |
| Revised Total Coliform Rule | MON | 4 | 2017 |
| Consumer Confidence Rule | Other | 4 | 2025 |
| TTHM | MR | 4 | 2010 |
| Lead and Copper Rule | MR | 2 | 2017 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.