F0/100
EXETER WATER DEPT — Water Quality Report 2026
Serving 12,236 people · New Hampshire
Water Source
Surface Water
County
—
System ID
NH0801010
Violations
68
Contaminant Test Results
2 contaminants above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
PFOA | 0.006 µg/L | 0.004 µg/L | Over Limit |
PFOS | 0.004 µg/L | 0.004 µg/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 EXETER WATER DEPT
Is EXETER WATER DEPT water safe to drink?
EXETER WATER DEPT water receives a grade of F (0/100), which is considered failing. 1 contaminant(s) exceed EPA legal limits and 68 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has EXETER WATER DEPT detected?
69 contaminants were tested in EXETER WATER DEPT's water. Notable contaminants include PFOA, PFOS. 1 exceed EPA legal limits (MCLs). 2 exceed EPA health goals (MCLGs).
Does EXETER WATER DEPT have any EPA violations?
Yes, EXETER WATER DEPT has 68 EPA violation(s) on record, with the most recent in 2019. Violation types include MCL, MR, Other. 38 are health-based violations.
How many people does EXETER WATER DEPT serve?
EXETER WATER DEPT serves approximately 12,236 people, New Hampshire. The system provides water to 1 community: Exeter.
What type of water does EXETER WATER DEPT provide?
EXETER 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 NH0801010.
How does EXETER WATER DEPT compare to other utilities in New Hampshire?
EXETER WATER DEPT scores 0/100 with a grade of F (failing). This score suggests significant water quality concerns relative to other utilities. Visit our New Hampshire state page for a full comparison of water systems.