WELLESLEY COLLEGE
PWS ID: MA3317001 · WELLESLEY, Massachusetts 02481
Population Served
3,000
Total Violations
33
Health-Based Violations
15
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Private
- Connections
- 62
- County
- Norfolk
- School/Daycare
- Yes
- MCL Violations
- 15
- Monitoring Violations
- 6
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MCL | 14 | 1998 |
| Lead and Copper Rule | MR | 3 | 2023 |
| Nitrate | MR | 1 | 2014 |
| Coliform (TCR) | MR | 1 | 1997 |
| Nitrite | MR | 1 | 2014 |
| Revised Total Coliform Rule | MCL | 1 | 2016 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.