D29/100
CLAREMONT WATER DEPT — Water Quality Report 2026
Serving 9,000 people · New Hampshire
Water Source
Surface Water
County
—
System ID
NH0461010
Violations
44
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.002 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
1
Violation (last 5yr)
0
Unresolved
1
Health-Related
TIER 1 — URGENTResolved
Violation related to Nitrate
When: January 1, 2025 – February 1, 2025Rule: Surface Water Treatment RuleEnforcement: Resolving — corrective action underway
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 CLAREMONT WATER DEPT
Is CLAREMONT WATER DEPT water safe to drink?
CLAREMONT WATER DEPT water receives a grade of D (29/100), which is considered poor. 0 contaminant(s) exceed EPA legal limits and 44 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has CLAREMONT WATER DEPT detected?
51 contaminants were tested in CLAREMONT WATER DEPT's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does CLAREMONT WATER DEPT have any EPA violations?
Yes, CLAREMONT WATER DEPT has 44 EPA violation(s) on record, with the most recent in 2025. Violation types include TT, MCL, Other. 6 are health-based violations.
How many people does CLAREMONT WATER DEPT serve?
CLAREMONT WATER DEPT serves approximately 9,000 people, New Hampshire. The system provides water to 1 community: Claremont.
What type of water does CLAREMONT WATER DEPT provide?
CLAREMONT 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 NH0461010.
How does CLAREMONT WATER DEPT compare to other utilities in New Hampshire?
CLAREMONT WATER DEPT scores 29/100 with a grade of D (poor). This score suggests significant water quality concerns relative to other utilities. Visit our New Hampshire state page for a full comparison of water systems.