ROLLING KNOLLS GOLF COURSE
PWS ID: IA3130886 · DYERSVILLE, Iowa 52040
Population Served
118
Total Violations
306
Health-Based Violations
49
Water Source
Groundwater
System Details
- System Type
- Transient Non-Community
- Owner Type
- Private
- Connections
- 1
- County
- Dubuque
- School/Daycare
- No
- MCL Violations
- 37
- Monitoring Violations
- 24
- Treatment Tech Violations
- 12
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Public Notice | Other | 112 | 2024 |
| Coliform (TCR) | MCL | 21 | 2006 |
| Nitrate | MCL | 16 | 1994 |
| Nitrate | MR | 13 | 2014 |
| Revised Total Coliform Rule | TT | 12 | 2023 |
| Coliform (TCR) | MR | 11 | 2006 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.