F13/100
BARNSTABLE FIRE DISTRICT — Water Quality Report 2026
Serving 5,400 people · Massachusetts
Water Source
Groundwater
County
—
System ID
MA4020000
Violations
16
Contaminant Test Results
3 contaminants above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Copper (90th percentile) | 1.40 mg/L | 1.30 mg/L | Over Limit |
PFOS | 0.007 µg/L | 0.004 µg/L | Over Limit |
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 2011.
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 BARNSTABLE FIRE DISTRICT
Is BARNSTABLE FIRE DISTRICT water safe to drink?
BARNSTABLE FIRE DISTRICT water receives a grade of F (13/100), which is considered failing. 2 contaminant(s) exceed EPA legal limits and 16 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has BARNSTABLE FIRE DISTRICT detected?
32 contaminants were tested in BARNSTABLE FIRE DISTRICT's water. Notable contaminants include PFOS, Copper (90th percentile), Lead (90th percentile). 2 exceed EPA legal limits (MCLs). 3 exceed EPA health goals (MCLGs).
Does BARNSTABLE FIRE DISTRICT have any EPA violations?
Yes, BARNSTABLE FIRE DISTRICT has 16 EPA violation(s) on record, with the most recent in 2011. Violation types include MCL, MR, Other. 13 are health-based violations.
How many people does BARNSTABLE FIRE DISTRICT serve?
BARNSTABLE FIRE DISTRICT serves approximately 5,400 people, Massachusetts. The system provides water to 1 community: Barnstable.
What type of water does BARNSTABLE FIRE DISTRICT provide?
BARNSTABLE FIRE DISTRICT sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is MA4020000.
How does BARNSTABLE FIRE DISTRICT compare to other utilities in Massachusetts?
BARNSTABLE FIRE DISTRICT scores 13/100 with a grade of F (failing). This score suggests significant water quality concerns relative to other utilities. Visit our Massachusetts state page for a full comparison of water systems.