ARLINGTON WATER DEPT. (MWRA) Water Quality Report
Population
46,308
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 3 health-based
System Details
- PWSID
- MA3010000
- Population Served
- 46,308
- Water Source
- Surface Water
- Owner
- Local Government
- State
- Massachusetts
- EPA Region
- 1
Contaminants of Concern
| Contaminant | Status | Violations |
|---|---|---|
| Contaminant 5000 | ✕ Health-Based | 4 |
| Contaminant 1094 | ⚠ Monitoring/Reporting | 3 |
Violation History
2020
3
2015
1
1994
1
1993
1
1992
1
Total violations on record: 7
Service Area
Cities Served
ZIP Codes Served
How does this compare?
This systemNational average
Grade A
Avg: B-C
7violations total
25% of national average
National avg: ~28 per system
📍 Mid-to-large system — serves 7× the national average.