Locke Lake
EPA ID: NH0142010 · 2,308 people served · 2 ZIP codes
ZipCheckup's reading of EPA SDWIS for Locke Lake (NH0142010): no EPA violations recorded in the last five years. EPA data: Locke Lake - zero violations, five years, 2,308 served.
Data: EPA SDWIS
Service Area Map
Coverage area for Locke Lake Source: EPA SDWIS service area boundaries.
Service area boundary
Service Area Demographics
The Locke Lake serves a community with a median household income of $97,389 and an estimated 4,972 residents across its service area. Approximately 60% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
🌊 Where Does Your Water Come From?
Locke Lake'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.
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
Locke Lake (EPA ID: NH0142010) is a community water system in New Hampshire that serves approximately 2,308 people from surface water sources.
This system provides water to 2 ZIP codes across 2 communities.
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.
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.
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Locke Lake (NH0142010) on EPA.gov.
Frequently Asked Questions
Is Locke Lake water safe to drink?
The accepted 2026Q2 ECHO snapshot contains zero violation records for Locke Lake 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 Locke Lake serve?
Locke Lake serves approximately 2,308 people across 2 ZIP codes in New Hampshire.
Where does Locke Lake get its water?
The primary water source is surface water.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Locke Lake Water Quality Report, NH. https://zipcheckup.com/water-system/nh0142010/
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author = {{ZipCheckup}},
title = {{Locke Lake Water Quality Report, NH}},
year = {n.d.},
url = {https://zipcheckup.com/water-system/nh0142010/}
}