C42/100
WESTFORD WATER DEPARTMENT — Water Quality Report 2026
Serving 18,680 people · Massachusetts
Water Source
Groundwater Under Influence of Surface Water
County
—
System ID
MA3330000
Violations
19
Contaminant Test Results
3 contaminants above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Copper (90th percentile) | 1.80 mg/L | 1.30 mg/L | Over Limit |
PFOA | 0.008 µg/L | 0.004 µg/L | Over Limit |
Lead (90th percentile) | 0.002 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2018.
Understanding violation severity
Tier 1Urgent health risk. Utility must notify all customers within 24 hours.Tier 2Important health or treatment issue. Customers notified within 30 days.Tier 3Administrative or monitoring issue. Reported in the annual water quality report.
Source: EPA Safe Drinking Water Information System (SDWIS) · Updated quarterly
Frequently Asked Questions About WESTFORD WATER DEPARTMENT
Is WESTFORD WATER DEPARTMENT water safe to drink?
WESTFORD WATER DEPARTMENT water receives a grade of C (42/100), which is considered fair. 2 contaminant(s) exceed EPA legal limits and 19 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has WESTFORD WATER DEPARTMENT detected?
70 contaminants were tested in WESTFORD WATER DEPARTMENT's water. Notable contaminants include PFOA, Copper (90th percentile), Lead (90th percentile). 2 exceed EPA legal limits (MCLs). 3 exceed EPA health goals (MCLGs).
Does WESTFORD WATER DEPARTMENT have any EPA violations?
Yes, WESTFORD WATER DEPARTMENT has 19 EPA violation(s) on record, with the most recent in 2018. Violation types include MR, TT, MCL. 5 are health-based violations.
How many people does WESTFORD WATER DEPARTMENT serve?
WESTFORD WATER DEPARTMENT serves approximately 18,680 people, Massachusetts. The system provides water to 1 community: Westford.
What type of water does WESTFORD WATER DEPARTMENT provide?
WESTFORD WATER DEPARTMENT sources its water from groundwater under influence of surface water. Surface water comes from rivers, lakes, or reservoirs and typically requires more extensive treatment. The utility's system ID is MA3330000.
How does WESTFORD WATER DEPARTMENT compare to other utilities in Massachusetts?
WESTFORD WATER DEPARTMENT scores 42/100 with a grade of C (fair). This score indicates room for improvement compared to other utilities. Visit our Massachusetts state page for a full comparison of water systems.