F0/100
HANOVER WATER DEPT — Water Quality Report 2026
Serving 8,500 people · New Hampshire
Water Source
Surface Water
County
—
System ID
NH1071010
Violations
49
Contaminant Test Results
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2014.
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 HANOVER WATER DEPT
Is HANOVER WATER DEPT water safe to drink?
HANOVER WATER DEPT water receives a grade of F (0/100), which is considered failing. 0 contaminant(s) exceed EPA legal limits and 49 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has HANOVER WATER DEPT detected?
31 contaminants were tested in HANOVER WATER DEPT's water. No contaminants exceed EPA legal limits or health goals, indicating good water quality management.
Does HANOVER WATER DEPT have any EPA violations?
Yes, HANOVER WATER DEPT has 49 EPA violation(s) on record, with the most recent in 2014. Violation types include MCL, MR, TT. 31 are health-based violations.
How many people does HANOVER WATER DEPT serve?
HANOVER WATER DEPT serves approximately 8,500 people, New Hampshire. The system provides water to 1 community: Hanover.
What type of water does HANOVER WATER DEPT provide?
HANOVER 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 NH1071010.
How does HANOVER WATER DEPT compare to other utilities in New Hampshire?
HANOVER 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.