STONEHAM WATER DEPT (MWRA SUPPLY) Water Quality Report
Population
23,244
people served
Water Source
🌊 Surface
rivers, lakes, reservoirs
National Rank
Top 43%
of 49,184 US systems
5-Year Record
✅ Clean
no violations
A
Safe
Safety Grade
0 violations in the past 5 years, including 7 health-based
System Details
- PWSID
- MA3284000
- Population Served
- 23,244
- Water Source
- Surface Water
- Owner
- Local Government
- State
- Massachusetts
- EPA Region
- 1
Contaminants of Concern
| Contaminant | Status | Violations |
|---|---|---|
| Contaminant 5000 | ✕ Health-Based | 7 |
| Contaminant 8000 | ✕ Health-Based | 1 |
Violation History
2018
1
2015
1
2007
1
2000
1
1999
1
1994
1
1993
1
1992
1
Total violations on record: 8
Service Area
Cities Served
ZIP Codes Served
How does this compare?
This systemNational average
Grade A
Avg: B-C
8violations total
29% of national average
National avg: ~28 per system
📍 Mid-to-large system — serves 3× the national average.