F19/100
KEENE WATER DEPT — Water Quality Report 2026
Serving 30,000 people · New Hampshire
Water Source
Surface Water
County
—
System ID
NH1241010
Violations
21
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Copper (90th percentile) | 1.50 mg/L | 1.30 mg/L | Over Limit |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2012.
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 KEENE WATER DEPT
Is KEENE WATER DEPT water safe to drink?
KEENE WATER DEPT water receives a grade of F (19/100), which is considered failing. 1 contaminant(s) exceed EPA legal limits and 21 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has KEENE WATER DEPT detected?
70 contaminants were tested in KEENE WATER DEPT's water. Notable contaminants include Copper (90th percentile). 1 exceed EPA legal limits (MCLs). 1 exceed EPA health goals (MCLGs).
Does KEENE WATER DEPT have any EPA violations?
Yes, KEENE WATER DEPT has 21 EPA violation(s) on record, with the most recent in 2012. Violation types include TT, MR, MCL. 13 are health-based violations.
How many people does KEENE WATER DEPT serve?
KEENE WATER DEPT serves approximately 30,000 people, New Hampshire. The system provides water to 1 community: Keene.
What type of water does KEENE WATER DEPT provide?
KEENE 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 NH1241010.
How does KEENE WATER DEPT compare to other utilities in New Hampshire?
KEENE WATER DEPT scores 19/100 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.