DISCOVERY ZONE LEARNING CNTR MARLBOROUGH
PWS ID: CT0791162 · COLUMBIA, Connecticut 06237
Population Served
70
Total Violations
109
Health-Based Violations
0
Water Source
Groundwater
System Details
- System Type
- Non-Transient Non-Community
- Owner Type
- Private
- Connections
- 1
- County
- Hartford
- School/Daycare
- Yes
- MCL Violations
- 0
- Monitoring Violations
- 101
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Lead and Copper Rule | MR | 9 | 2019 |
| Revised Total Coliform Rule | RPT | 8 | 2020 |
| Coliform (TCR) | MR | 4 | 1999 |
| Barium | MR | 2 | 2017 |
| Cadmium | MR | 2 | 2017 |
| Chromium | MR | 2 | 2017 |
| CYANIDE | MR | 2 | 2017 |
| Fluoride | MR | 2 | 2017 |
| Nickel | MR | 2 | 2017 |
| Antimony, Total | MR | 2 | 2017 |
| Thallium, Total | MR | 2 | 2017 |
| Methoxychlor | MR | 2 | 2017 |
| Toxaphene | MR | 2 | 2017 |
| Atrazine | MR | 2 | 2017 |
| Heptachlor | MR | 2 | 2017 |
| Pentachlorophenol | MR | 2 | 2017 |
| 1,2-DIBROMO-3-CHLOROPROPANE | MR | 2 | 2017 |
| ETHYLENE DIBROMIDE | MR | 2 | 2017 |
| Chlordane | MR | 2 | 2017 |
| Endrin | MR | 2 | 2017 |
| Diquat | MR | 2 | 2017 |
| Di(2-ethylhexyl) adipate | MR | 2 | 2017 |
| OXAMYL | MR | 2 | 2017 |
| Simazine | MR | 2 | 2017 |
| Picloram | MR | 2 | 2017 |
| Dinoseb | MR | 2 | 2017 |
| Hexachlorocyclopentadiene | MR | 2 | 2017 |
| Benzo(a)pyrene | MR | 2 | 2017 |
| Mercury | MR | 2 | 2017 |
| Aldicarb | MR | 2 | 2017 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.