HOPKINTON WATER DEPARTMENT
Community Water System · Massachusetts · HOPKINTON
PWSID: MA2139000
Has Violations
Population Served
12.6K
Service Connections
4.4K
Total Violations
23
Health-Based Violations
10
Lead & Copper Data
Lead Level
Elevated7.40 ppb
Action Level: 15 ppb (EPA) · Sampled: 2025-06-30
015 ppb action level
Copper Level
5870 ppb
Action Level: 1,300 ppb (EPA) · Sampled: 1992-12-31
Copper action level exceeded
System Details
- Water Source
- Groundwater
- System Type
- Community Water System
- City
- HOPKINTON
- ZIP Code
- 01748
- Counties Served
- Middlesex
- Cities Served
- HOPKINTON
- Open Violations
- 0
- State
- Massachusetts
Violation Summary
23
Total Violations
10
Health-Based
0
Open Now
Most recent violation: 2014-04-01
Explore Massachusetts Water Quality
See all water systems, lead data, and violation trends for Massachusetts.
Data source: EPA ECHO SDWIS Bulk Download (Jan 2026). PWSID: MA2139000.SafeWater Home