F16/100
PEMBROKE WATER WORKS — Water Quality Report 2026
Serving 5,200 people · New Hampshire
Water Source
Groundwater
County
—
System ID
NH1861010
Violations
36
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Copper (90th percentile) | 1.40 mg/L | 1.30 mg/L | Over Limit |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2010.
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 PEMBROKE WATER WORKS
Is PEMBROKE WATER WORKS water safe to drink?
PEMBROKE WATER WORKS water receives a grade of F (16/100), which is considered failing. 1 contaminant(s) exceed EPA legal limits and 36 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has PEMBROKE WATER WORKS detected?
32 contaminants were tested in PEMBROKE WATER WORKS's water. Notable contaminants include Copper (90th percentile). 1 exceed EPA legal limits (MCLs). 1 exceed EPA health goals (MCLGs).
Does PEMBROKE WATER WORKS have any EPA violations?
Yes, PEMBROKE WATER WORKS has 36 EPA violation(s) on record, with the most recent in 2010. Violation types include MCL, Other, MR. 10 are health-based violations.
How many people does PEMBROKE WATER WORKS serve?
PEMBROKE WATER WORKS serves approximately 5,200 people, New Hampshire. The system provides water to 1 community: Pembroke.
What type of water does PEMBROKE WATER WORKS provide?
PEMBROKE WATER WORKS sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is NH1861010.
How does PEMBROKE WATER WORKS compare to other utilities in New Hampshire?
PEMBROKE WATER WORKS scores 16/100 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.