Idlewood Park
EPA ID: MD0080205 · 320 people served · 1 ZIP code
EPA data: Idlewood Park — zero violations, five years, 320 served.
Data: EPA SDWIS Last verified: 2026-04-02
Service Area Map
Coverage area for Idlewood Park Source: EPA SDWIS service area boundaries.
Service area boundary
Service Area Demographics
The Idlewood Park serves a community with a median household income of $136,250 and an estimated 25,724 residents across its service area. Approximately 53% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
💧 Where Does Your Water Come From?
Idlewood Park'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 Anne Arundel County, Maryland 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. 2 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
Idlewood Park (EPA ID: MD0080205) is a community water system in Maryland that serves approximately 320 people from groundwater sources.
This system serves ZIP code 21114 in Crofton.
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
- 21114 — Crofton
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Idlewood Park (MD0080205) on EPA.gov.
Frequently Asked Questions
Is Idlewood Park water safe to drink?
Based on EPA records, Idlewood Park has no recorded violations in the past 5 years — a positive indicator of water quality management.
How many people does Idlewood Park serve?
Idlewood Park serves approximately 320 people across 1 ZIP code in Maryland.
Where does Idlewood Park get its water?
The primary water source is groundwater.