TALCOTT MOUNTAIN SCIENCE CENTER #1
PWS ID: CT0040442 · AVON, Connecticut 06001
Population Served
59
Total Violations
198
Health-Based Violations
18
Water Source
Groundwater
System Details
- System Type
- Non-Transient Non-Community
- Owner Type
- Private
- Connections
- 4
- County
- Hartford
- School/Daycare
- Yes
- MCL Violations
- 17
- Monitoring Violations
- 173
- Treatment Tech Violations
- 1
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MR | 21 | 2011 |
| Coliform (TCR) | MCL | 17 | 2011 |
| E. COLI | MR | 8 | 2011 |
| Public Notice | Other | 6 | 2012 |
| Di(2-ethylhexyl) phthalate | MR | 6 | 2010 |
| 1,2,4-Trichlorobenzene | MR | 6 | 2009 |
| o-Dichlorobenzene | MR | 6 | 2009 |
| Vinyl chloride | MR | 6 | 2009 |
| 1,1-Dichloroethylene | MR | 6 | 2009 |
| trans-1,2-Dichloroethylene | MR | 6 | 2009 |
| 1,2-Dichloroethane | MR | 6 | 2009 |
| 1,1,1-Trichloroethane | MR | 6 | 2009 |
| Carbon tetrachloride | MR | 6 | 2009 |
| 1,2-Dichloropropane | MR | 6 | 2009 |
| Trichloroethylene | MR | 6 | 2009 |
| 1,1,2-Trichloroethane | MR | 6 | 2009 |
| Tetrachloroethylene | MR | 6 | 2009 |
| CHLOROBENZENE | MR | 6 | 2009 |
| Benzene | MR | 6 | 2009 |
| Ethylbenzene | MR | 6 | 2009 |
| p-Dichlorobenzene | MR | 6 | 2009 |
| Styrene | MR | 6 | 2009 |
| cis-1,2-Dichloroethylene | MR | 6 | 2009 |
| Toluene | MR | 6 | 2009 |
| DICHLOROMETHANE | MR | 6 | 2009 |
| Antimony, Total | MR | 5 | 2008 |
| Nitrite | MR | 4 | 2017 |
| Nickel | MR | 3 | 2002 |
| Beryllium, Total | MR | 3 | 2002 |
| Thallium, Total | MR | 3 | 2002 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.