ST LUKES SCHOOL
PWS ID: CT0900072 · NEW CANAAN, Connecticut 06840
Population Served
405
Total Violations
248
Health-Based Violations
12
Water Source
Groundwater
System Details
- System Type
- Non-Transient Non-Community
- Owner Type
- Private
- Connections
- 5
- County
- Fairfield
- School/Daycare
- Yes
- MCL Violations
- 5
- Monitoring Violations
- 174
- Treatment Tech Violations
- 7
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Lead and Copper Rule | MR | 40 | 2025 |
| Coliform (TCR) | MR | 14 | 1997 |
| E. COLI | MR | 12 | 2021 |
| Public Notice | Other | 8 | 2023 |
| Coliform (TCR) | MCL | 5 | 2013 |
| Antimony, Total | MR | 4 | 1995 |
| LASSO | MR | 4 | 1995 |
| Atrazine | MR | 4 | 1995 |
| Carbofuran | MR | 4 | 1995 |
| Arsenic | MR | 4 | 1995 |
| Heptachlor | MR | 4 | 1995 |
| Pentachlorophenol | MR | 4 | 1995 |
| Total Polychlorinated Biphenyls (PCB) | MR | 4 | 1995 |
| Toxaphene | MR | 4 | 1995 |
| 2,4,5-TP | MR | 4 | 1995 |
| Cadmium | MR | 4 | 1995 |
| Revised Total Coliform Rule | TT | 4 | 2022 |
| Mercury | MR | 4 | 1995 |
| Selenium | MR | 4 | 1995 |
| Fluoride | MR | 4 | 1995 |
| Chlordane | MR | 4 | 1995 |
| CYANIDE | MR | 4 | 1995 |
| Thallium, Total | MR | 4 | 1995 |
| Barium | MR | 4 | 1995 |
| 1,2-DIBROMO-3-CHLOROPROPANE | MR | 4 | 1995 |
| 2,4-D | MR | 4 | 1995 |
| Nickel | MR | 4 | 1995 |
| Methoxychlor | MR | 4 | 1995 |
| Heptachlor epoxide | MR | 4 | 1995 |
| Beryllium, Total | MR | 4 | 1995 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.