DAYTON MUNI WATER DEPT
PWS ID: PA5030002 · DAYTON, Pennsylvania 16222
Population Served
600
Total Violations
213
Health-Based Violations
5
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 286
- County
- Armstrong
- School/Daycare
- No
- MCL Violations
- 2
- Monitoring Violations
- 190
- Treatment Tech Violations
- 3
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Groundwater Rule | MR | 29 | 2025 |
| Revised Total Coliform Rule | MON | 21 | 2025 |
| Chlorine | MR | 11 | 2019 |
| Total Haloacetic Acids (HAA5) | MR | 10 | 2023 |
| TTHM | MR | 10 | 2023 |
| Consumer Confidence Rule | Other | 6 | 2019 |
| CYANIDE | MR | 6 | 2021 |
| Gross Alpha, Excl. Radon and U | MR | 5 | 2015 |
| Revised Total Coliform Rule | RPT | 4 | 2018 |
| Barium | MR | 4 | 2021 |
| Chromium | MR | 4 | 2021 |
| Selenium | MR | 4 | 2021 |
| Antimony, Total | MR | 4 | 2021 |
| Beryllium, Total | MR | 4 | 2021 |
| Public Notice | Other | 4 | 2019 |
| Arsenic | MR | 4 | 2021 |
| Fluoride | MR | 4 | 2021 |
| Thallium, Total | MR | 4 | 2021 |
| Mercury | MR | 4 | 2021 |
| Cadmium | MR | 4 | 2021 |
| Nickel | MR | 4 | 2021 |
| Groundwater Rule | TT | 3 | 2015 |
| cis-1,2-Dichloroethylene | MR | 2 | 2004 |
| DICHLOROMETHANE | MR | 2 | 2004 |
| 1,1-Dichloroethylene | MR | 2 | 2004 |
| 1,2-Dichloroethane | MR | 2 | 2004 |
| 1,1,1-Trichloroethane | MR | 2 | 2004 |
| Trichloroethylene | MR | 2 | 2004 |
| Toluene | MR | 2 | 2004 |
| Ethylbenzene | MR | 2 | 2004 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.