GRANVILLE WATER SUPPLY
PWS ID: IA8429002 · GRANVILLE, Iowa 51022
Population Served
310
Total Violations
21
Health-Based Violations
0
Water Source
Surface Water
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 186
- County
- Sioux
- School/Daycare
- No
- MCL Violations
- 0
- Monitoring Violations
- 20
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MR | 9 | 1999 |
| Xylenes, Total | MR | 4 | 1995 |
| Toluene | MR | 3 | 1997 |
| Gross Alpha, Excl. Radon and U | MR | 3 | 1995 |
| Antimony, Total | MR | 1 | 1990 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.