Greenfield Hill Estates
EPA ID: NH1932090 · 110 people served · 1 ZIP code
ZipCheckup's reading of EPA records for Greenfield Hill Estates (NH1932090): no drinking-water violations recorded since 2021. Greenfield Hill Estates has no EPA violations on record; the utility serves 110 residents.
Data: EPA SDWIS
Service Area Map
Coverage area for Greenfield Hill Estates Source: EPA SDWIS service area boundaries.
Service area boundary
Demographics of ZIP Codes Served
The ZIP codes associated with Greenfield Hill Estates have a median household income of $109,040 and about 7,850 residents live in those ZIP codes (Census; not the number of people this system supplies). Approximately 69% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
💧 Where Does Your Water Come From?
Greenfield Hill Estates's water is classified in EPA records as a groundwater source. 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.
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 in ZIP Codes This System Serves
PFAS ("forever chemicals") have been reported in samples from water systems associated with the ZIP codes in this system's area. These results can come from other water systems serving the same ZIP codes; check the UCMR5 section for any results reported for this system. 5 detections recorded. 2 detections are above the level of a federal PFAS MCL (4 ppt for PFOA and PFOS), with compliance required from 2029.
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
Greenfield Hill Estates (EPA ID: NH1932090) is a community water system in New Hampshire that serves approximately 110 people from groundwater sources.
This system serves ZIP code 03865 in Plaistow.
Violation History
Lead & Copper
No reported lead measurement appears for this PWSID in the accepted LCR snapshot. Absence of a reported measurement is not a measured zero.
No copper action-level exceedance record appears for this PWSID in the accepted LCR snapshot. This does not establish a clean copper measurement.
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: Ask your water utility whether running cold water for 2 minutes is enough to flush your plumbing before drinking.
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.
- 03865 - Plaistow
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View available EPA compliance records for Greenfield Hill Estates (NH1932090) on EPA.gov.
Frequently Asked Questions
Is Greenfield Hill Estates water safe to drink?
The accepted 2026Q2 ECHO snapshot contains zero violation records for Greenfield Hill Estates in the inclusive 2021-2026 record-year window. This is a compliance-record finding, not a guarantee about water at a specific tap.
How many people does Greenfield Hill Estates serve?
Greenfield Hill Estates serves approximately 110 people across 1 ZIP code in New Hampshire.
Where does Greenfield Hill Estates get its water?
The primary water source is groundwater.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Greenfield Hill Estates Water Quality Report, NH. https://zipcheckup.com/water-system/nh1932090/
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title = {{Greenfield Hill Estates Water Quality Report, NH}},
year = {n.d.},
url = {https://zipcheckup.com/water-system/nh1932090/}
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