C44/100
WEYMOUTH WATER DEPARTMENT — Water Quality Report 2026
Serving 57,613 people · Massachusetts
Water Source
Surface Water
County
—
System ID
MA4336000
Violations
29
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.001 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
1
Violation (last 5yr)
0
Unresolved
0
Health-Related
TIER 3Resolved
Failed to issue ongoing public notification
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: January 1, 2023 – June 24, 2024Rule: Ground Water RuleEnforcement: 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 WEYMOUTH WATER DEPARTMENT
Is WEYMOUTH WATER DEPARTMENT water safe to drink?
WEYMOUTH WATER DEPARTMENT water receives a grade of C (44/100), which is considered fair. 0 contaminant(s) exceed EPA legal limits and 29 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has WEYMOUTH WATER DEPARTMENT detected?
69 contaminants were tested in WEYMOUTH WATER DEPARTMENT's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does WEYMOUTH WATER DEPARTMENT have any EPA violations?
Yes, WEYMOUTH WATER DEPARTMENT has 29 EPA violation(s) on record, with the most recent in 2023. Violation types include MR, MCL, TT. 6 are health-based violations.
How many people does WEYMOUTH WATER DEPARTMENT serve?
WEYMOUTH WATER DEPARTMENT serves approximately 57,613 people, Massachusetts. The system provides water to 1 community: Weymouth.
What type of water does WEYMOUTH WATER DEPARTMENT provide?
WEYMOUTH 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 MA4336000.
How does WEYMOUTH WATER DEPARTMENT compare to other utilities in Massachusetts?
WEYMOUTH WATER DEPARTMENT scores 44/100 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.