Chisholm Farm
EPA ID: NH2232200 · 168 people served · 1 ZIP code
Federal monitoring records confirm Chisholm Farm has operated without any EPA violations for the full five-year window — covering every contaminant category and reporting cycle across a service area of approximately 168 residents, with no gaps in the compliance record.
Data: EPA SDWIS Last verified: 2026-04-02
Compliance Trajectory
Stable · Risk tier: High · 93% chance of violation in next 12 months
Violations went from 2 (2021) to 3 (2023). Violation counts have remained relatively steady.
Service Area Map
Coverage area for Chisholm Farm Source: EPA SDWIS service area boundaries.
Service area boundary
Service Area Demographics
The Chisholm Farm serves a community with a median household income of $141,438 and an estimated 7,742 residents across its service area. Approximately 50% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
💧 Where Does Your Water Come From?
Chisholm Farm'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. 5 detections recorded. 2 exceed 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
Chisholm Farm (EPA ID: NH2232200) is a community water system in New Hampshire that serves approximately 168 people from groundwater sources.
This system serves ZIP code 03885 in Stratham.
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
- 03885 — Stratham
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Chisholm Farm (NH2232200) on EPA.gov.
Frequently Asked Questions
Is Chisholm Farm water safe to drink?
Based on EPA records, Chisholm Farm has no recorded violations in the past 5 years — a positive indicator of water quality management.
How many people does Chisholm Farm serve?
Chisholm Farm serves approximately 168 people across 1 ZIP code in New Hampshire.
Where does Chisholm Farm get its water?
The primary water source is groundwater.