B60/100
CONCORD WATER DEPT — Water Quality Report 2026
Serving 18,788 people · Massachusetts
Water Source
Surface Water
County
—
System ID
MA3067000
Violations
13
Contaminant Test Results
2 contaminants above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
PFOA | 0.006 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)
1
Unresolved
1
Health-Related
TIER 2Unresolved
Exceeded the Maximum Contaminant Level (running average)
When: July 1, 2022 – September 30, 2022Rule: Stage 1 DBPREnforcement: Formal — state order issuedVerify on EPA.gov
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 CONCORD WATER DEPT
Is CONCORD WATER DEPT water safe to drink?
CONCORD WATER DEPT water receives a grade of B (60/100), which is considered good. Out of 69 contaminants tested, 1 exceed EPA legal limits. 2 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has CONCORD WATER DEPT detected?
69 contaminants were tested in CONCORD WATER DEPT's water. Notable contaminants include PFOA, Lead (90th percentile). 1 exceed EPA legal limits (MCLs). 2 exceed EPA health goals (MCLGs).
Does CONCORD WATER DEPT have any EPA violations?
Yes, CONCORD WATER DEPT has 13 EPA violation(s) on record, with the most recent in 2022. Violation types include MCL, MR, Other. 4 are health-based violations.
How many people does CONCORD WATER DEPT serve?
CONCORD WATER DEPT serves approximately 18,788 people, Massachusetts. The system provides water to 1 community: Concord.
What type of water does CONCORD WATER DEPT provide?
CONCORD WATER 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 MA3067000.
How does CONCORD WATER DEPT compare to other utilities in Massachusetts?
CONCORD WATER DEPT scores 60/100 with a grade of B (good). This is an above-average performance for utilities statewide. Visit our Massachusetts state page for a full comparison of water systems.