D27/100
COTUIT FIRE DISTRICT WATER DEPARTMENT — Water Quality Report 2026
Serving 4,938 people · Massachusetts
Water Source
Groundwater
County
—
System ID
MA4020003
Violations
18
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 2016.
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 COTUIT FIRE DISTRICT WATER DEPARTMENT
Is COTUIT FIRE DISTRICT WATER DEPARTMENT water safe to drink?
COTUIT FIRE DISTRICT WATER DEPARTMENT water receives a grade of D (27/100), which is considered poor. 0 contaminant(s) exceed EPA legal limits and 18 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has COTUIT FIRE DISTRICT WATER DEPARTMENT detected?
31 contaminants were tested in COTUIT FIRE DISTRICT WATER DEPARTMENT's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does COTUIT FIRE DISTRICT WATER DEPARTMENT have any EPA violations?
Yes, COTUIT FIRE DISTRICT WATER DEPARTMENT has 18 EPA violation(s) on record, with the most recent in 2016. Violation types include Other, MCL, MR. 13 are health-based violations.
How many people does COTUIT FIRE DISTRICT WATER DEPARTMENT serve?
COTUIT FIRE DISTRICT WATER DEPARTMENT serves approximately 4,938 people, Massachusetts. The system provides water to 1 community: Barnstable.
What type of water does COTUIT FIRE DISTRICT WATER DEPARTMENT provide?
COTUIT FIRE DISTRICT WATER DEPARTMENT sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is MA4020003.
How does COTUIT FIRE DISTRICT WATER DEPARTMENT compare to other utilities in Massachusetts?
COTUIT FIRE DISTRICT WATER DEPARTMENT scores 27/100 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.