AQUARION-BUTTERNUT
PWS ID: CT0180021 · SHELTON, Connecticut 06484
Population Served
124
Total Violations
56
Health-Based Violations
24
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Private
- Connections
- 31
- County
- Fairfield
- School/Daycare
- No
- MCL Violations
- 24
- Monitoring Violations
- 20
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MCL | 24 | 2012 |
| Coliform (TCR) | MR | 8 | 1994 |
| Coliform (TCR) | Other | 8 | 1994 |
| Lead and Copper Rule | MR | 6 | 2021 |
| Combined Uranium | MR | 2 | 2004 |
| Combined Radium (-226 and -228) | MR | 2 | 2004 |
| Consumer Confidence Rule | Other | 2 | 2018 |
| Gross Alpha, Excl. Radon and U | MR | 2 | 2004 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.