Colby Pond
EPA ID: NH0582010 · 485 people served · 1 ZIP code
ZipCheckup's reading of EPA records for Colby Pond (NH0582010): no drinking-water violations recorded since 2021. Across the reporting cycles included in federal data, Colby Pond has no EPA violation entries - the file covers a service population of approximately 485 residents and says nothing about individual household plumbing.
Data: EPA SDWIS
Service Area Map
Coverage area for Colby Pond Source: EPA SDWIS service area boundaries.
Service area boundary
Demographics of ZIP Codes Served
The ZIP codes associated with Colby Pond have a median household income of $109,726 and about 4,325 residents live in those ZIP codes (Census; not the number of people this system supplies). Approximately 43% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
💧 Where Does Your Water Come From?
Colby Pond'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
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
Colby Pond (EPA ID: NH0582010) is a community water system in New Hampshire that serves approximately 485 people from groundwater sources.
This system serves ZIP code 03819 in Danville.
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
1 of 1 ZIP records with known zones is in EPA Radon Zone 2.
The EPA recommends testing all homes regardless of radon zone. County radon zones cannot replace an in-home radon test.
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.
- 03819 - Danville
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View available EPA compliance records for Colby Pond (NH0582010) on EPA.gov.
Frequently Asked Questions
Is Colby Pond water safe to drink?
The accepted 2026Q2 ECHO snapshot contains zero violation records for Colby Pond 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 Colby Pond serve?
Colby Pond serves approximately 485 people across 1 ZIP code in New Hampshire.
Where does Colby Pond get its water?
The primary water source is groundwater.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Colby Pond Water Quality Report, NH. https://zipcheckup.com/water-system/nh0582010/
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author = {{ZipCheckup}},
title = {{Colby Pond Water Quality Report, NH}},
year = {n.d.},
url = {https://zipcheckup.com/water-system/nh0582010/}
}