MARSH CREEK STATE PARK
PWS ID: PA1150818 · DOWNINGTOWN, Pennsylvania 19335
Population Served
1,630
Total Violations
108
Health-Based Violations
6
Water Source
Groundwater
System Details
- System Type
- Transient Non-Community
- Owner Type
- State
- Connections
- 6
- County
- Chester
- School/Daycare
- No
- MCL Violations
- 6
- Monitoring Violations
- 72
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Nitrate | MR | 21 | 2023 |
| Public Notice | Other | 17 | 2025 |
| Nitrite | MR | 15 | 2023 |
| Coliform (TCR) | MR | 14 | 2010 |
| Revised Total Coliform Rule | MON | 12 | 2025 |
| E. COLI | MR | 10 | 2021 |
| Revised Total Coliform Rule | RPT | 8 | 2020 |
| Coliform (TCR) | MCL | 6 | 2013 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.