D29/100
FALMOUTH WATER DEPT — Water Quality Report 2026
Serving 97,551 people · Massachusetts
Water Source
Surface Water
County
—
System ID
MA4096000
Violations
20
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.001 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2020.
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 FALMOUTH WATER DEPT
Is FALMOUTH WATER DEPT water safe to drink?
FALMOUTH WATER DEPT water receives a grade of D (29/100), which is considered poor. 0 contaminant(s) exceed EPA legal limits and 20 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has FALMOUTH WATER DEPT detected?
69 contaminants were tested in FALMOUTH WATER DEPT's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does FALMOUTH WATER DEPT have any EPA violations?
Yes, FALMOUTH WATER DEPT has 20 EPA violation(s) on record, with the most recent in 2020. Violation types include MR, TT, MCL. 12 are health-based violations.
How many people does FALMOUTH WATER DEPT serve?
FALMOUTH WATER DEPT serves approximately 97,551 people, Massachusetts. The system provides water to 1 community: Falmouth.
What type of water does FALMOUTH WATER DEPT provide?
FALMOUTH 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 MA4096000.
How does FALMOUTH WATER DEPT compare to other utilities in Massachusetts?
FALMOUTH WATER DEPT scores 29/100 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.