WELLESLEY WATER DIVISION Water Quality Report

Population

29,550

people served

Water Source

🌊 Surface

rivers, lakes, reservoirs

National Rank

Top 54%

of 49,184 US systems

5-Year Record

⚠️ 1

violation recorded

B

Good

Safety Grade

1 violation in the past 5 years, including 1 health-based

System Details

PWSID
MA3317000
Population Served
29,550
Water Source
Surface Water
Owner
Local Government
State
Massachusetts
EPA Region
1

Contaminants of Concern

ContaminantStatusViolations
Contaminant 5000 Health-Based2

Violation History

2022
1
1997
1

Total violations on record: 2

Service Area

Cities Served

ZIP Codes Served

How does this compare?

This systemNational average
Grade B
Avg: B-C
2violations total

7% of national average

National avg: ~28 per system

📍 Mid-to-large system — serves 4× the national average.