GAVIN ESTATES
PWS ID: IA3100823 · DUBUQUE, Iowa 52002
Population Served
52
Total Violations
260
Health-Based Violations
0
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Private
- Connections
- 26
- County
- Dubuque
- School/Daycare
- No
- MCL Violations
- 0
- Monitoring Violations
- 155
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Nitrate | MR | 26 | 2019 |
| Coliform (TCR) | MR | 16 | 2009 |
| Arsenic | MR | 15 | 2002 |
| Public Notice | Other | 13 | 2023 |
| Fluoride | MR | 11 | 1987 |
| Selenium | MR | 11 | 1987 |
| Combined Radium (-226 and -228) | MR | 10 | 2023 |
| Mercury | MR | 8 | 1987 |
| E. COLI | MR | 8 | 2024 |
| Cadmium | MR | 8 | 1987 |
| Chromium | MR | 8 | 1987 |
| Gross Alpha, Excl. Radon and U | MR | 8 | 1991 |
| Barium | MR | 8 | 1987 |
| Revised Total Coliform Rule | MON | 7 | 2022 |
| 1,2,4-Trichlorobenzene | MR | 3 | 1995 |
| BHC-GAMMA | MR | 3 | 1995 |
| Antimony, Total | MR | 3 | 1992 |
| Consumer Confidence Rule | Other | 3 | 2015 |
| Lead and Copper Rule | MR | 2 | 2024 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.