DAWSON WATER WORKS
PWS ID: IA2525010 · DAWSON, Iowa 50066
Population Served
116
Total Violations
116
Health-Based Violations
24
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 81
- County
- Dallas
- School/Daycare
- No
- MCL Violations
- 24
- Monitoring Violations
- 61
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Nitrate | MR | 30 | 2024 |
| Coliform (TCR) | MCL | 22 | 1997 |
| Lead and Copper Rule | MR | 8 | 2025 |
| Fluoride | MR | 6 | 1987 |
| Consumer Confidence Rule | Other | 4 | 2024 |
| Public Notice | Other | 4 | 2023 |
| Barium | MR | 2 | 1986 |
| Cadmium | MR | 2 | 1986 |
| Chromium | MR | 2 | 1986 |
| Mercury | MR | 2 | 1986 |
| TTHM | MR | 2 | 2025 |
| Total Haloacetic Acids (HAA5) | MR | 2 | 2025 |
| Fluoride | MCL | 2 | 1984 |
| Selenium | MR | 2 | 1986 |
| Arsenic | MR | 2 | 1986 |
| Di(2-ethylhexyl) phthalate | MR | 1 | 2025 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.