Greenridge Subdivision
EPA ID: MD0120011 · 2,271 people served · 4 ZIP codes
ZipCheckup's reading of EPA SDWIS for Greenridge Subdivision (MD0120011): no EPA violations recorded in the last five years. Water monitoring history at Greenridge Subdivision shows a clean slate - EPA tracking over the past five years turned up no violations, and 2,271 residents continue to receive fully compliant service.
Data: EPA SDWIS
Service Area Map
Coverage area for Greenridge Subdivision Source: EPA SDWIS service area boundaries.
Service area boundary
Service Area Demographics
The Greenridge Subdivision serves a community with a median household income of $123,704 and an estimated 97,420 residents across its service area. Approximately 55% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
🌊 Where Does Your Water Come From?
Greenridge Subdivision'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 70th 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. 26 detections recorded. 6 exceed federal EPA limits (4 ppt for PFOA/PFOS).
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
Greenridge Subdivision (EPA ID: MD0120011) is a community water system in Maryland that serves approximately 2,271 people from surface water sources.
This system provides water to 4 ZIP codes across 3 communities.
Violation History
Lead & Copper
EPA Lead and Copper Rule evidence attributed directly to this water system:
| Lead Level | Exceeds Action Level | Sample Date |
|---|---|---|
| 0 mg/L | No | N/A |
The accepted LCR snapshot contains 1 reported copper action-level exceedance record for this PWSID. The source does not provide a verified copper level for publication.
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 Greenridge Subdivision (MD0120011) on EPA.gov.
Frequently Asked Questions
Is Greenridge Subdivision water safe to drink?
The accepted 2026Q2 ECHO snapshot contains zero violation records for Greenridge Subdivision 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 Greenridge Subdivision serve?
Greenridge Subdivision serves approximately 2,271 people across 4 ZIP codes in Maryland.
Where does Greenridge Subdivision get its water?
The primary water source is surface water.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Greenridge Subdivision Water Quality Report, MD. https://zipcheckup.com/water-system/md0120011/
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