GREAT FALLS PARK
PWS ID: VA6059523 · MCCLEAN, Virginia 22101
Population Served
2,000
Total Violations
59
Health-Based Violations
7
Water Source
Groundwater
System Details
- System Type
- Transient Non-Community
- Owner Type
- Federal
- Connections
- 3
- County
- Fairfax
- School/Daycare
- No
- MCL Violations
- 7
- Monitoring Violations
- 47
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Revised Total Coliform Rule | MON | 22 | 2024 |
| Coliform (TCR) | MR | 17 | 2016 |
| Coliform (TCR) | MCL | 7 | 2015 |
| Public Notice | Other | 4 | 2024 |
| E. COLI | MR | 3 | 2015 |
| Nitrate | MR | 3 | 1999 |
| Combined Radium (-226 and -228) | MR | 1 | 1977 |
| Gross Alpha, Excl. Radon and U | MR | 1 | 1977 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.