Highland Estates Distribution System
EPA ID: MD0010049 · 105 people served · 1 ZIP code
Water monitoring for Highland Estates Distribution System: clean, five years, 105 residents.
Data: EPA SDWIS Last verified: 2026-04-02
Service Area Map
Coverage area for Highland Estates Distribution System Source: EPA SDWIS service area boundaries.
Service area boundary
Service Area Demographics
The Highland Estates Distribution System serves a community with a median household income of $173,208 and an estimated 7,512 residents across its service area. Approximately 51% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
🌊 Where Does Your Water Come From?
Highland Estates Distribution System'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.
About 1% of homes in Calvert County, Maryland rely on private wells rather than public water systems. Private well owners are responsible for their own water testing and treatment.
Infrastructure Risk
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
Highland Estates Distribution System (EPA ID: MD0010049) is a community water system in Maryland that serves approximately 105 people from surface water sources.
This system serves ZIP code 20754 in Dunkirk.
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
- 20754 — Dunkirk
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Highland Estates Distribution System (MD0010049) on EPA.gov.
Frequently Asked Questions
Is Highland Estates Distribution System water safe to drink?
Based on EPA records, Highland Estates Distribution System has no recorded violations in the past 5 years — a positive indicator of water quality management.
How many people does Highland Estates Distribution System serve?
Highland Estates Distribution System serves approximately 105 people across 1 ZIP code in Maryland.
Where does Highland Estates Distribution System get its water?
The primary water source is surface water.