Upper Halfmoon Water
EPA ID: PA4140109 · 1,500 people served · 2 ZIP codes
ZipCheckup's reading of EPA SDWIS for Upper Halfmoon Water (PA4140109): no EPA violations recorded in the last five years. Federal monitoring spanning five full years has produced zero violations at Upper Halfmoon Water - a clean record across every reporting cycle for a utility serving approximately 1,500 residents.
Data: EPA SDWIS
Service Area Map
Coverage area for Upper Halfmoon Water Source: EPA SDWIS service area boundaries.
Service area boundary
Service Area Demographics
The Upper Halfmoon Water serves a community with a median household income of $98,798 and an estimated 8,891 residents across its service area. Approximately 46% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
💧 Where Does Your Water Come From?
Upper Halfmoon Water'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.
Infrastructure Risk
Comparable Water Systems
Similar-sized systems in Pennsylvania
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
Upper Halfmoon Water (EPA ID: PA4140109) is a community water system in Pennsylvania that serves approximately 1,500 people from groundwater 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 1 (High 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 PA 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 Upper Halfmoon Water (PA4140109) on EPA.gov.
Frequently Asked Questions
Is Upper Halfmoon Water water safe to drink?
The accepted 2026Q2 ECHO snapshot contains zero violation records for Upper Halfmoon Water 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 Upper Halfmoon Water serve?
Upper Halfmoon Water serves approximately 1,500 people across 2 ZIP codes in Pennsylvania.
Where does Upper Halfmoon Water get its water?
The primary water source is groundwater.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Upper Halfmoon Water Water Quality Report, PA. https://zipcheckup.com/water-system/pa4140109/
@misc{zipcheckup-water-system-pa4140109,
author = {{ZipCheckup}},
title = {{Upper Halfmoon Water Water Quality Report, PA}},
year = {n.d.},
url = {https://zipcheckup.com/water-system/pa4140109/}
}