F1/100
BRAINTREE WATER AND SEWER DEPT. — Water Quality Report 2026
Serving 39,143 people · Massachusetts
Water Source
Surface Water
County
—
System ID
MA4040000
Violations
76
Contaminant Test Results
3 contaminants above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
PFOS | 0.008 µg/L | 0.004 µg/L | Over Limit |
PFOA | 0.004 µg/L | 0.004 µg/L | Over Limit |
Lead (90th percentile) | 0.005 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
1
Violation (last 5yr)
0
Unresolved
0
Health-Related
TIER 3Resolved
Surface water treatment technique failure
When: July 1, 2022 – August 15, 2022Enforcement: Formal — state order issued
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 BRAINTREE WATER AND SEWER DEPT.
Is BRAINTREE WATER AND SEWER DEPT. water safe to drink?
BRAINTREE WATER AND SEWER DEPT. water receives a grade of F (1/100), which is considered failing. 2 contaminant(s) exceed EPA legal limits and 76 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has BRAINTREE WATER AND SEWER DEPT. detected?
69 contaminants were tested in BRAINTREE WATER AND SEWER DEPT.'s water. Notable contaminants include PFOS, PFOA, Lead (90th percentile). 2 exceed EPA legal limits (MCLs). 3 exceed EPA health goals (MCLGs).
Does BRAINTREE WATER AND SEWER DEPT. have any EPA violations?
Yes, BRAINTREE WATER AND SEWER DEPT. has 76 EPA violation(s) on record, with the most recent in 2022. Violation types include Other, MR, MCL. 1 are health-based violations.
How many people does BRAINTREE WATER AND SEWER DEPT. serve?
BRAINTREE WATER AND SEWER DEPT. serves approximately 39,143 people, Massachusetts. The system provides water to 1 community: Braintree.
What type of water does BRAINTREE WATER AND SEWER DEPT. provide?
BRAINTREE WATER AND SEWER DEPT. sources its water from surface water. Surface water comes from rivers, lakes, or reservoirs and typically requires more extensive treatment. The utility's system ID is MA4040000.
How does BRAINTREE WATER AND SEWER DEPT. compare to other utilities in Massachusetts?
BRAINTREE WATER AND SEWER DEPT. scores 1/100 with a grade of F (failing). This score suggests significant water quality concerns relative to other utilities. Visit our Massachusetts state page for a full comparison of water systems.