CORNELL HILLS ASSOC, INC
PWS ID: CT0340181 · DANBURY, Connecticut 06811
Population Served
108
Total Violations
161
Health-Based Violations
15
Water Source
Surface Water
System Details
- System Type
- Community
- Owner Type
- Private
- Connections
- 28
- County
- Fairfield
- School/Daycare
- No
- MCL Violations
- 12
- Monitoring Violations
- 97
- Treatment Tech Violations
- 3
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Consumer Confidence Rule | Other | 33 | 2025 |
| Lead and Copper Rule | MR | 23 | 2022 |
| Chlorine | MR | 22 | 2022 |
| Revised Total Coliform Rule | MON | 20 | 2022 |
| TTHM | MR | 13 | 2021 |
| Coliform (TCR) | MCL | 12 | 2008 |
| Total Haloacetic Acids (HAA5) | MR | 11 | 2021 |
| Public Notice | Other | 8 | 2020 |
| Coliform (TCR) | MR | 6 | 2010 |
| Lead and Copper Rule | TT | 2 | 1994 |
| Lead and Copper Rule | Other | 2 | 1997 |
| Surface Water Treatment Rule | MR | 2 | 2010 |
| LEAD AND COPPER RULE REVISIONS | RPT | 1 | 2024 |
| LEAD AND COPPER RULE REVISIONS | TT | 1 | 2024 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.