Cheshire County Complex
EPA ID: NH2494010 · 380 people served · 6 ZIP codes
Even though Cheshire County Complex accumulated 1 violation over five years, all have been formally resolved — the provider currently meets EPA standards for 380 people.
Data: EPA SDWIS Last verified: 2026-04-02
Service Area Map
Coverage area for Cheshire County Complex Source: EPA SDWIS service area boundaries.
Service area boundary — Grade C
Service Area Demographics
The Cheshire County Complex serves a community with a median household income of $102,551 and an estimated 30,773 residents across its service area. Approximately 65% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
🌊 Where Does Your Water Come From?
Cheshire County Complex's water is drawn from rivers, lakes, or reservoirs. Surface water sources are more exposed to agricultural runoff, stormwater, and upstream discharges, but they typically receive more intensive treatment before reaching your tap.
About 0% of homes in Cheshire County, New Hampshire rely on private wells rather than public water systems. Private well owners are responsible for their own water testing and treatment.
Superfund Proximity Note: This service area ranks in the 60th percentile nationally for proximity to Superfund (NPL) sites.
Infrastructure Risk
Detected Contaminants
How Cheshire County Complex compares to EPA limits
What This Means For You
Stage 1 DBP Rule at 1 mg/L exceeds the EPA maximum of mg/L.
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
Cheshire County Complex (EPA ID: NH2494010) is a community water system in New Hampshire that serves approximately 380 people from surface water sources.
This system provides water to 6 ZIP codes across 5 communities.
Average Home Safety Score: C (62/100)
Based on water quality violations, lead levels, and radon risk across all ZIP codes served by this system.
Violation History
Contaminants Detected
The following contaminants have been flagged in EPA records for this water system:
| Contaminant | Category | Violations | Health-Based |
|---|---|---|---|
| Stage 1 DBP Rule | Treatment Failure | 1 | No |
Lead & Copper
EPA Lead and Copper Rule sampling data for ZIP codes served by this system:
| ZIP Code | Lead Level | Exceeds Limit | Sample Date |
|---|---|---|---|
| 03467 | 0.032 mg/L | Yes | N/A |
Radon Risk in Service Area
Dominant radon zone for ZIP codes served by this system: Zone 2 (Moderate Risk)
The EPA recommends testing homes in Zone 1 and Zone 2 areas for radon.
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
- 03431 — Keene
- 03435 — Keene
- 03443 — Chesterfield
- 03462 — Spofford
- 03466 — West Chesterfield
- 03467 — Westmoreland
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Cheshire County Complex (NH2494010) on EPA.gov.
Frequently Asked Questions
Is Cheshire County Complex water safe to drink?
Cheshire County Complex has only monitoring/reporting violations, which are procedural in nature. The system meets federal health-based standards.
How many people does Cheshire County Complex serve?
Cheshire County Complex serves approximately 380 people across 6 ZIP codes in New Hampshire.
Where does Cheshire County Complex get its water?
The primary water source is surface water.
Frequently Asked Questions
What You Can Do
Test your water
Home test kits can detect lead, bacteria, and other contaminants at your tap. Find the right filter →
Check your specific ZIP code
Water quality can vary within a system. View nearest ZIP report →
Contact your utility
Cheshire County Complex (EPA ID: NH2494010) — request the latest Consumer Confidence Report or ask about specific contaminants.