C51/100
YARMOUTH WATER DISTRICT — Water Quality Report 2026
Serving 8,000 people · Maine
Water Source
Groundwater
County
—
System ID
ME0091670
Violations
10
Contaminant Test Results
2 contaminants above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
PFOA | 0.009 µg/L | 0.004 µg/L | Over Limit |
Lead (90th percentile) | 0.010 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
3
Violations (last 5yr)
0
Unresolved
0
Health-Related
TIER 3Resolved
Monitoring Violation
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: December 1, 2024 – December 31, 2024Rule: Total Coliform RuleEnforcement: Resolving — corrective action underway
TIER 3Resolved
Failed Level 2 Assessment under Revised Total Coliform Rule
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: January 1, 2022 – December 31, 2022Rule: Stage 2 DBPREnforcement: Resolving — corrective action underway
TIER 3Resolved
Failed Level 2 Assessment under Revised Total Coliform Rule
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: January 1, 2022 – December 31, 2022Rule: Stage 2 DBPREnforcement: Resolving — corrective action underway
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 YARMOUTH WATER DISTRICT
Is YARMOUTH WATER DISTRICT water safe to drink?
YARMOUTH WATER DISTRICT water receives a grade of C (51/100), which is considered fair. 1 contaminant(s) exceed EPA legal limits and 10 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has YARMOUTH WATER DISTRICT detected?
31 contaminants were tested in YARMOUTH WATER DISTRICT's water. Notable contaminants include PFOA, Lead (90th percentile). 1 exceed EPA legal limits (MCLs). 2 exceed EPA health goals (MCLGs).
Does YARMOUTH WATER DISTRICT have any EPA violations?
Yes, YARMOUTH WATER DISTRICT has 10 EPA violation(s) on record, with the most recent in 2024. Violation types include MON, MR, MCL. 7 are health-based violations.
How many people does YARMOUTH WATER DISTRICT serve?
YARMOUTH WATER DISTRICT serves approximately 8,000 people, Maine. The system provides water to 2 communities: North Yarmouth, Yarmouth.
What type of water does YARMOUTH WATER DISTRICT provide?
YARMOUTH WATER DISTRICT sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is ME0091670.
How does YARMOUTH WATER DISTRICT compare to other utilities in Maine?
YARMOUTH WATER DISTRICT scores 51/100 with a grade of C (fair). This score indicates room for improvement compared to other utilities. Visit our Maine state page for a full comparison of water systems.