F13/100
BROCKTON WATER DEPARTMENT — Water Quality Report 2026
Serving 105,643 people · Massachusetts
Water Source
Surface Water
County
—
System ID
MA4044000
Violations
61
Contaminant Test Results
2 contaminants above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
chlorate | 420.00 µg/L | — | Above Goal |
Lead (90th percentile) | 0.004 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, 2023 – August 17, 2023Enforcement: 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 BROCKTON WATER DEPARTMENT
Is BROCKTON WATER DEPARTMENT water safe to drink?
BROCKTON WATER DEPARTMENT water receives a grade of F (13/100), which is considered failing. 0 contaminant(s) exceed EPA legal limits and 61 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has BROCKTON WATER DEPARTMENT detected?
69 contaminants were tested in BROCKTON WATER DEPARTMENT's water. Notable contaminants include Lead (90th percentile), chlorate. No contaminants exceed EPA legal limits. 2 exceed EPA health goals (MCLGs).
Does BROCKTON WATER DEPARTMENT have any EPA violations?
Yes, BROCKTON WATER DEPARTMENT has 61 EPA violation(s) on record, with the most recent in 2023. Violation types include Other, MCL, MR. 5 are health-based violations.
How many people does BROCKTON WATER DEPARTMENT serve?
BROCKTON WATER DEPARTMENT serves approximately 105,643 people, Massachusetts. The system provides water to 1 community: Brockton.
What type of water does BROCKTON WATER DEPARTMENT provide?
BROCKTON WATER DEPARTMENT 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 MA4044000.
How does BROCKTON WATER DEPARTMENT compare to other utilities in Massachusetts?
BROCKTON WATER DEPARTMENT scores 13/100 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.