Ridge on the Commons
EPA ID: PA7360182 · 30 people served · 1 ZIP code
With a five-year violation-free history, Ridge on the Commons delivers safe water to 30 residents.
Data: EPA SDWIS Last verified: 2026-04-02
Service Area Map
Coverage area for Ridge on the Commons Source: EPA SDWIS service area boundaries.
Service area boundary
Service Area Demographics
The Ridge on the Commons serves a community with a median household income of $73,545 and an estimated 12,276 residents across its service area. Approximately 62% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
💧 Where Does Your Water Come From?
Ridge on the Commons'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 Lancaster 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 60th 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 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
Ridge on the Commons (EPA ID: PA7360182) is a community water system in Pennsylvania that serves approximately 30 people from groundwater sources.
This system serves ZIP code 17566 in Quarryville.
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
- 17566 — Quarryville
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Ridge on the Commons (PA7360182) on EPA.gov.
Frequently Asked Questions
Is Ridge on the Commons water safe to drink?
Based on EPA records, Ridge on the Commons has no recorded violations in the past 5 years — a positive indicator of water quality management.
How many people does Ridge on the Commons serve?
Ridge on the Commons serves approximately 30 people across 1 ZIP code in Pennsylvania.
Where does Ridge on the Commons get its water?
The primary water source is groundwater.
Lead Service Line Inventory
Service line breakdown reported under the federal Lead and Copper Rule Improvements (LCRI) inventory requirement:
This system reports zero confirmed lead service lines in its inventory. Unknown-material counts may still warrant verification.
Federal LCRI rule (effective October 2024) requires every public water system to inventory its service lines and complete lead-line replacement within 10 years.
Source: EPA SDWIS Federal Service Line Inventory (Phase 2) · Submitted 2026
ZipCheckup is not affiliated with the utility or state agency. Inventory figures render verbatim from the public LCRI submission cited above; ZipCheckup does not perform inspections or replacements.