D33/100
NEEDHAM WATER DEPT — Water Quality Report 2026
Serving 33,130 people · Massachusetts
Water Source
Purchased Surface Water
County
—
System ID
MA3199000
Violations
48
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.005 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2013.
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 NEEDHAM WATER DEPT
Is NEEDHAM WATER DEPT water safe to drink?
NEEDHAM WATER DEPT water receives a grade of D (33/100), which is considered poor. 0 contaminant(s) exceed EPA legal limits and 48 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has NEEDHAM WATER DEPT detected?
69 contaminants were tested in NEEDHAM WATER DEPT's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does NEEDHAM WATER DEPT have any EPA violations?
Yes, NEEDHAM WATER DEPT has 48 EPA violation(s) on record, with the most recent in 2013. Violation types include MR, TT. 4 are health-based violations.
How many people does NEEDHAM WATER DEPT serve?
NEEDHAM WATER DEPT serves approximately 33,130 people, Massachusetts. The system provides water to 1 community: Needham.
What type of water does NEEDHAM WATER DEPT provide?
NEEDHAM WATER DEPT 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 MA3199000.
How does NEEDHAM WATER DEPT compare to other utilities in Massachusetts?
NEEDHAM WATER DEPT scores 33/100 with a grade of D (poor). This score suggests significant water quality concerns relative to other utilities. Visit our Massachusetts state page for a full comparison of water systems.