W and E
EPA ID: NH2542030 · 525 people served · 1 ZIP code
Compared to the national average for mid-size utilities, W and E sits well above the baseline — five years of EPA monitoring show no violations, no MCL exceedances, and no enforcement actions for the full service territory of 525 people.
Data: EPA SDWIS Last verified: 2026-04-02
Compliance Trajectory
Stable · Risk tier: High · 75% chance of violation in next 12 months
Violations went from 3 (2022) to 4 (2023). Violation counts have remained relatively steady.
Service Area Map
Coverage area for W and E Source: EPA SDWIS service area boundaries.
Service area boundary — Grade B
Service Area Demographics
The W and E serves a community with a median household income of $189,450 and an estimated 15,922 residents across its service area.
💧 Where Does Your Water Come From?
W and E'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 1% of homes in Rockingham 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 80th percentile nationally for proximity to Superfund (NPL) sites. Groundwater sources near contaminated sites may face elevated risk from industrial chemicals.
Infrastructure Risk
PFAS Detected in Service Area
PFAS ("forever chemicals") have been detected in water serving this system's area. 3 detections recorded. 1 exceeds federal EPA limits (4 ppt for PFOA/PFOS).
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
W and E (EPA ID: NH2542030) is a community water system in New Hampshire that serves approximately 525 people from groundwater sources.
This system serves ZIP code 03087 in Windham.
Average Home Safety Score: B (75/100)
Based on water quality violations, lead levels, and radon risk across all ZIP codes served by this system.
Violation History
Lead & Copper
No Lead and Copper Rule sampling data available for this water system.
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
Coverage: Service area ZIP codes sourced from EPA Community Water System Service Area Boundaries v3 (March 2026 release). These ZIPs reflect the actual deployment footprint recorded by NH or modeled from parcel and building-footprint data.
- 03087 — Windham
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for W and E (NH2542030) on EPA.gov.
Frequently Asked Questions
Is W and E water safe to drink?
Based on EPA records, W and E has no recorded violations in the past 5 years — a positive indicator of water quality management.
How many people does W and E serve?
W and E serves approximately 525 people across 1 ZIP code in New Hampshire.
Where does W and E get its water?
The primary water source is groundwater.