NORTHSTONE GARDENS
PWS ID: CT1021001 · STAMFORD, Connecticut 06907
Population Served
79
Total Violations
689
Health-Based Violations
50
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Private
- Connections
- 32
- County
- New London
- School/Daycare
- No
- MCL Violations
- 44
- Monitoring Violations
- 377
- Treatment Tech Violations
- 6
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MR | 59 | 2012 |
| E. COLI | MR | 44 | 2018 |
| Coliform (TCR) | MCL | 40 | 2015 |
| Lead and Copper Rule | MR | 24 | 2021 |
| p-Dichlorobenzene | MR | 12 | 1994 |
| Consumer Confidence Rule | Other | 12 | 2017 |
| Tetrachloroethylene | MR | 11 | 1994 |
| cis-1,2-Dichloroethylene | MR | 11 | 1994 |
| Carbon tetrachloride | MR | 11 | 1994 |
| 1,1-Dichloroethylene | MR | 11 | 1994 |
| DICHLOROMETHANE | MR | 11 | 1994 |
| Styrene | MR | 11 | 1994 |
| 1,1,2-Trichloroethane | MR | 11 | 1994 |
| Public Notice | Other | 11 | 2021 |
| CHLOROBENZENE | MR | 11 | 1994 |
| Ethylbenzene | MR | 11 | 1994 |
| 1,2-Dichloroethane | MR | 11 | 1994 |
| 1,1,1-Trichloroethane | MR | 11 | 1994 |
| Benzene | MR | 11 | 1994 |
| o-Dichlorobenzene | MR | 11 | 1994 |
| Toluene | MR | 11 | 1994 |
| Vinyl chloride | MR | 11 | 1994 |
| trans-1,2-Dichloroethylene | MR | 11 | 1994 |
| Trichloroethylene | MR | 11 | 1994 |
| 1,2-Dichloropropane | MR | 11 | 1994 |
| 1,2-DIBROMO-3-CHLOROPROPANE | MR | 9 | 1995 |
| ETHYLENE DIBROMIDE | MR | 9 | 1995 |
| Revised Total Coliform Rule | MON | 8 | 2017 |
| Revised Total Coliform Rule | RPT | 8 | 2019 |
| m-Xylene | Other | 6 | 1995 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.