DR. HELEN BALDWIN SCHOOL
PWS ID: CT0221122 · CANTERBURY, Connecticut 06331
Population Served
310
Total Violations
153
Health-Based Violations
33
Water Source
Groundwater
System Details
- System Type
- Non-Transient Non-Community
- Owner Type
- Local
- Connections
- 1
- County
- Windham
- School/Daycare
- Yes
- MCL Violations
- 19
- Monitoring Violations
- 80
- Treatment Tech Violations
- 14
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MCL | 19 | 2015 |
| Public Notice | Other | 12 | 2023 |
| Revised Total Coliform Rule | RPT | 12 | 2022 |
| Revised Total Coliform Rule | TT | 11 | 2022 |
| Lead and Copper Rule | MR | 10 | 2012 |
| Coliform (TCR) | MR | 6 | 2009 |
| Dalapon | MR | 4 | 2006 |
| Diquat | MR | 4 | 2006 |
| OXAMYL | MR | 4 | 2006 |
| Simazine | MR | 4 | 2006 |
| Di(2-ethylhexyl) phthalate | MR | 4 | 2006 |
| Picloram | MR | 4 | 2006 |
| Dinoseb | MR | 4 | 2006 |
| Hexachlorocyclopentadiene | MR | 4 | 2006 |
| HEXACHLOROBENZENE | MR | 4 | 2006 |
| Benzo(a)pyrene | MR | 4 | 2006 |
| Revised Total Coliform Rule | MON | 4 | 2017 |
| E. COLI | MR | 4 | 2017 |
| Endrin | MR | 4 | 2006 |
| Di(2-ethylhexyl) adipate | MR | 4 | 2006 |
| Glyphosate | MR | 4 | 2006 |
| Lead and Copper Rule | TT | 3 | 2004 |
| Aldicarb sulfone | MR | 2 | 2006 |
| Aldicarb sulfoxide | MR | 2 | 2006 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.