West Manchester Twp Authority
EPA ID: PA7670101 · 9,960 people served · 9 ZIP codes
West Manchester Twp Authority carries zero EPA violations in five years — a spotless record for a utility serving 9,960 residents.
Data: EPA SDWIS Last verified: 2026-04-02
Service Area Map
Coverage area for West Manchester Twp Authority Source: EPA SDWIS service area boundaries.
Service area boundary
Service Area Demographics
The West Manchester Twp Authority serves a community with a median household income of $77,134 and an estimated 185,956 residents across its service area. 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?
West Manchester Twp Authority'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 York County, Pennsylvania 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 70th 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. 6 detections recorded. 2 exceed federal EPA limits (4 ppt for PFOA/PFOS).
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
West Manchester Twp Authority (EPA ID: PA7670101) is a community water system in Pennsylvania that serves approximately 9,960 people from groundwater sources.
This system provides water to 9 ZIP codes across 1 community.
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
Coverage: 2 ZIP codes confirmed via EPA Community Water System Service Area Boundaries v3 plus 7 additional ZIPs inferred from SDWIS registry data. The EPA-confirmed set is the most reliable; SDWIS-inferred entries may be narrower than the real deployment area.
- 17401 — York
- 17402 — York
- 17403 — York
- 17404 — York
- 17405 — York
- 17406 — York
- 17407 — York
- 17408 — York
- 17415 — York
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for West Manchester Twp Authority (PA7670101) on EPA.gov.
Frequently Asked Questions
Is West Manchester Twp Authority water safe to drink?
Based on EPA records, West Manchester Twp Authority has no recorded violations in the past 5 years — a positive indicator of water quality management.
How many people does West Manchester Twp Authority serve?
West Manchester Twp Authority serves approximately 9,960 people across 9 ZIP codes in Pennsylvania.
Where does West Manchester Twp Authority get its water?
The primary water source is groundwater.
Federal UCMR5 PFAS Monitoring: Detected
This water system was tested under the federal EPA Unregulated Contaminant Monitoring Rule (UCMR5). PFAS compounds were detected below the current state-enforceable MCL.
Current MCL reflects the lowest state-enforceable limit (NYS 10 ppt for PFOA/PFOS, effective August 2020). The federal final MCL of 4 ppt for PFOA/PFOS (EPA April 2024 rule) is not enforceable until April 2029. Detections above 4 ppt but below 10 ppt are below current MCL but above the future federal limit.
Source: U.S. EPA UCMR5 (Unregulated Contaminant Monitoring Rule, 5th cycle) — per-system federal sampling, 2023–2025. EPA UCMR5 monitoring program →