Cardigan Mountain Sch
EPA ID: NH0354010 · 300 people served · 1 ZIP code
Cardigan Mountain Sch's five-year compliance history is clean by every EPA metric — no health-based violations, no monitoring lapses, no enforcement actions on record, reflecting consistent performance for a utility that supplies water to approximately 300 residents year after year.
Data: EPA SDWIS Last verified: 2026-04-02
Compliance Trajectory
Worsening · Risk tier: High · 95% chance of violation in next 12 months
Violations went from 1 (2022) to 2 (2023). The pattern suggests growing compliance challenges.
Service Area Map
Coverage area for Cardigan Mountain Sch Source: EPA SDWIS service area boundaries.
Service area boundary
Service Area Demographics
The Cardigan Mountain Sch serves a community with a median household income of $78,523 and an estimated 4,102 residents across its service area. Approximately 62% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
💧 Where Does Your Water Come From?
Cardigan Mountain Sch's water is pumped from underground aquifers. Groundwater is naturally filtered through rock and soil, but it can be vulnerable to PFAS contamination, nitrates from agriculture, and industrial chemicals that seep into the water table.
About 2% of homes in Grafton County, New Hampshire rely on private wells rather than public water systems. Private well owners are responsible for their own water testing and treatment.
Infrastructure Risk
Comparable Water Systems
Similar-sized systems in New Hampshire
Estimated Remediation Costs
Average estimated costs across ZIP codes served by this system
Based on national averages for common remediation projects. Actual costs vary by property. Only issues flagged by EPA, FEMA, or state data for each ZIP code are included.
System Overview
Cardigan Mountain Sch (EPA ID: NH0354010) is a community water system in New Hampshire that serves approximately 300 people from groundwater sources.
This system serves ZIP code 03741 in Canaan.
Violation History
Lead & Copper
No Lead and Copper Rule sampling data available for this water system.
Need help with your water quality?
Typical cost: Water test: typically $20–$50 (DIY kit) · Professional inspection: $150–$400
Find the Right Water FilterFree tip: Let cold water run for 2 minutes before drinking — this helps flush lead from your pipes.
ZIP Codes Served
- 03741 — Canaan
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Cardigan Mountain Sch (NH0354010) on EPA.gov.
Frequently Asked Questions
Is Cardigan Mountain Sch water safe to drink?
Based on EPA records, Cardigan Mountain Sch has no recorded violations in the past 5 years — a positive indicator of water quality management.
How many people does Cardigan Mountain Sch serve?
Cardigan Mountain Sch serves approximately 300 people across 1 ZIP code in New Hampshire.
Where does Cardigan Mountain Sch get its water?
The primary water source is groundwater.