AMG513
PWS ID: CT0420264 · MOUNT VERNON, Connecticut 10550
Population Served
25
Total Violations
105
Health-Based Violations
3
Water Source
Groundwater
System Details
- System Type
- Transient Non-Community
- Owner Type
- Private
- Connections
- 1
- County
- Middlesex
- School/Daycare
- No
- MCL Violations
- 3
- Monitoring Violations
- 73
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MR | 38 | 2014 |
| Public Notice | Other | 18 | 2015 |
| Revised Total Coliform Rule | MON | 12 | 2020 |
| Nitrite | MR | 10 | 2018 |
| Nitrate | MR | 10 | 2018 |
| Revised Total Coliform Rule | RPT | 8 | 2018 |
| Coliform (TCR) | MCL | 3 | 2008 |
| E. COLI | MR | 3 | 2014 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.