CALVI BUILDING
PWS ID: CT0820014 · ROCKFALL, Connecticut 06481
Population Served
25
Total Violations
35
Health-Based Violations
4
Water Source
Groundwater
System Details
- System Type
- Transient Non-Community
- Owner Type
- Private
- Connections
- 1
- County
- Middlesex
- School/Daycare
- No
- MCL Violations
- 4
- Monitoring Violations
- 27
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MR | 21 | 2004 |
| Coliform (TCR) | MCL | 4 | 2010 |
| Nitrate | MR | 3 | 2003 |
| Public Notice | Other | 3 | 2010 |
| Nitrite | MR | 3 | 2003 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.