A86/100
MANCHESTER WATER WORKS — Water Quality Report 2026
Serving 123,500 people · New Hampshire
Water Source
Surface Water
County
—
System ID
NH1471010
Violations
2
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
PFOA | 0.005 µg/L | 0.004 µg/L | Over Limit |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2013.
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 MANCHESTER WATER WORKS
Is MANCHESTER WATER WORKS water safe to drink?
MANCHESTER WATER WORKS water receives a grade of A (86/100), which is considered excellent. Out of 76 contaminants tested, 1 exceed EPA legal limits. 1 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has MANCHESTER WATER WORKS detected?
76 contaminants were tested in MANCHESTER WATER WORKS's water. Notable contaminants include PFOA. 1 exceed EPA legal limits (MCLs). 1 exceed EPA health goals (MCLGs).
Does MANCHESTER WATER WORKS have any EPA violations?
Yes, MANCHESTER WATER WORKS has 2 EPA violation(s) on record, with the most recent in 2013. Violation types include MCL, MR. 1 are health-based violations.
How many people does MANCHESTER WATER WORKS serve?
MANCHESTER WATER WORKS serves approximately 123,500 people, New Hampshire. The system provides water to 1 community: Manchester.
What type of water does MANCHESTER WATER WORKS provide?
MANCHESTER WATER WORKS 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 NH1471010.
How does MANCHESTER WATER WORKS compare to other utilities in New Hampshire?
MANCHESTER WATER WORKS scores 86/100 with a grade of A (excellent). This places it among the higher-performing utilities in the state. Visit our New Hampshire state page for a full comparison of water systems.