DEER ISLAND (MWRA)
PWS ID: MA3035001 · CHELSEA, Massachusetts 02150
Population Served
350
Total Violations
0
Health-Based Violations
0
Water Source
Surface Water
System Details
- System Type
- Non-Transient Non-Community
- Owner Type
- State
- Connections
- 1
- County
- Suffolk
- School/Daycare
- No
- MCL Violations
- 0
- Monitoring Violations
- 0
- Treatment Tech Violations
- 0
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.