C47/100
GROVETON WATER SYS — Water Quality Report 2026
Serving 2,650 people · New Hampshire
Water Source
Groundwater
County
—
System ID
NH1781010
Violations
33
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.030 mg/L | 0.015 mg/L | Over Limit |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2008.
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 GROVETON WATER SYS
Is GROVETON WATER SYS water safe to drink?
GROVETON WATER SYS water receives a grade of C (47/100), which is considered fair. 1 contaminant(s) exceed EPA legal limits and 33 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has GROVETON WATER SYS detected?
1 contaminants were tested in GROVETON WATER SYS's water. Notable contaminants include Lead (90th percentile). 1 exceed EPA legal limits (MCLs). 1 exceed EPA health goals (MCLGs).
Does GROVETON WATER SYS have any EPA violations?
Yes, GROVETON WATER SYS has 33 EPA violation(s) on record, with the most recent in 2008. Violation types include Other, MR, TT. 3 are health-based violations.
How many people does GROVETON WATER SYS serve?
GROVETON WATER SYS serves approximately 2,650 people, New Hampshire. The system provides water to 1 community: Northumberland.
What type of water does GROVETON WATER SYS provide?
GROVETON WATER SYS sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is NH1781010.
How does GROVETON WATER SYS compare to other utilities in New Hampshire?
GROVETON WATER SYS scores 47/100 with a grade of C (fair). This score indicates room for improvement compared to other utilities. Visit our New Hampshire state page for a full comparison of water systems.