B64/100
PLYMOUTH WATER DEPARTMENT — Water Quality Report 2026
Serving 46,799 people · Massachusetts
Water Source
Groundwater
County
—
System ID
MA4239000
Violations
9
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.003 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2019.
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 PLYMOUTH WATER DEPARTMENT
Is PLYMOUTH WATER DEPARTMENT water safe to drink?
PLYMOUTH WATER DEPARTMENT water receives a grade of B (64/100), which is considered good. Out of 66 contaminants tested, none exceed EPA legal limits. 1 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has PLYMOUTH WATER DEPARTMENT detected?
66 contaminants were tested in PLYMOUTH WATER DEPARTMENT's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does PLYMOUTH WATER DEPARTMENT have any EPA violations?
Yes, PLYMOUTH WATER DEPARTMENT has 9 EPA violation(s) on record, with the most recent in 2019. Violation types include MR, Other, MCL. 6 are health-based violations.
How many people does PLYMOUTH WATER DEPARTMENT serve?
PLYMOUTH WATER DEPARTMENT serves approximately 46,799 people, Massachusetts. The system provides water to 1 community: Plymouth.
What type of water does PLYMOUTH WATER DEPARTMENT provide?
PLYMOUTH WATER DEPARTMENT sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is MA4239000.
How does PLYMOUTH WATER DEPARTMENT compare to other utilities in Massachusetts?
PLYMOUTH WATER DEPARTMENT scores 64/100 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.