F10/100
CONWAY WATER AND SEWER — Water Quality Report 2026
Serving 2,745 people · New Hampshire
Water Source
Groundwater
County
—
System ID
NH0511010
Violations
70
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Copper (90th percentile) | 1.47 mg/L | 1.30 mg/L | Over Limit |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2021.
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 CONWAY WATER AND SEWER
Is CONWAY WATER AND SEWER water safe to drink?
CONWAY WATER AND SEWER water receives a grade of F (10/100), which is considered failing. 1 contaminant(s) exceed EPA legal limits and 70 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has CONWAY WATER AND SEWER detected?
21 contaminants were tested in CONWAY WATER AND SEWER's water. Notable contaminants include Copper (90th percentile). 1 exceed EPA legal limits (MCLs). 1 exceed EPA health goals (MCLGs).
Does CONWAY WATER AND SEWER have any EPA violations?
Yes, CONWAY WATER AND SEWER has 70 EPA violation(s) on record, with the most recent in 2021. Violation types include MR, Other, MCL. 3 are health-based violations.
How many people does CONWAY WATER AND SEWER serve?
CONWAY WATER AND SEWER serves approximately 2,745 people, New Hampshire. The system provides water to 1 community: Conway.
What type of water does CONWAY WATER AND SEWER provide?
CONWAY WATER AND SEWER sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is NH0511010.
How does CONWAY WATER AND SEWER compare to other utilities in New Hampshire?
CONWAY WATER AND SEWER scores 10/100 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.