C47/100
NAHANT WATER DEPT. (MWRA) — Water Quality Report 2026
Serving 3,334 people · Massachusetts
Water Source
Purchased Surface Water
County
—
System ID
MA3196000
Violations
14
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
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 2021.
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 NAHANT WATER DEPT. (MWRA)
Is NAHANT WATER DEPT. (MWRA) water safe to drink?
NAHANT WATER DEPT. (MWRA) water receives a grade of C (47/100), which is considered fair. 0 contaminant(s) exceed EPA legal limits and 14 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has NAHANT WATER DEPT. (MWRA) detected?
31 contaminants were tested in NAHANT WATER DEPT. (MWRA)'s water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does NAHANT WATER DEPT. (MWRA) have any EPA violations?
Yes, NAHANT WATER DEPT. (MWRA) has 14 EPA violation(s) on record, with the most recent in 2021. Violation types include MR, TT, MCL. 9 are health-based violations.
How many people does NAHANT WATER DEPT. (MWRA) serve?
NAHANT WATER DEPT. (MWRA) serves approximately 3,334 people, Massachusetts. The system provides water to 1 community: Nahant.
What type of water does NAHANT WATER DEPT. (MWRA) provide?
NAHANT WATER DEPT. (MWRA) sources its water from purchased surface water. Surface water comes from rivers, lakes, or reservoirs and typically requires more extensive treatment. The utility's system ID is MA3196000.
How does NAHANT WATER DEPT. (MWRA) compare to other utilities in Massachusetts?
NAHANT WATER DEPT. (MWRA) scores 47/100 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.