Knolls of Windsor
EPA ID: MD0100041 · 1,553 people served · 3 ZIP codes
ZipCheckup's reading of EPA SDWIS for Knolls of Windsor (MD0100041): no EPA violations recorded in the last five years. EPA data: Knolls of Windsor - zero violations, five years, 1,553 served.
Data: EPA SDWIS
Service Area Map
Coverage area for Knolls of Windsor Source: EPA SDWIS service area boundaries.
Service area boundary
Service Area Demographics
The Knolls of Windsor serves a community with a median household income of $179,797 and an estimated 43,583 residents across its service area.
🌊 Where Does Your Water Come From?
Knolls of Windsor'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.
Superfund Proximity Note: This service area ranks in the 63th percentile nationally for proximity to Superfund (NPL) sites.
Infrastructure Risk
PFAS Detected in Service Area
PFAS ("forever chemicals") have been detected in water serving this system's area. 4 detections recorded.
Comparable Water Systems
Similar-sized systems in Maryland
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
Knolls of Windsor (EPA ID: MD0100041) is a community water system in Maryland that serves approximately 1,553 people from surface water sources.
This system provides water to 3 ZIP codes across 3 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.
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 MD 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 Knolls of Windsor (MD0100041) on EPA.gov.
Frequently Asked Questions
Is Knolls of Windsor water safe to drink?
The accepted 2026Q2 ECHO snapshot contains zero violation records for Knolls of Windsor 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 Knolls of Windsor serve?
Knolls of Windsor serves approximately 1,553 people across 3 ZIP codes in Maryland.
Where does Knolls of Windsor get its water?
The primary water source is surface water.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Knolls of Windsor Water Quality Report, MD. https://zipcheckup.com/water-system/md0100041/
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title = {{Knolls of Windsor Water Quality Report, MD}},
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url = {https://zipcheckup.com/water-system/md0100041/}
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