Hart Heritage
EPA ID: MD0120021 · 37 people served · 1 ZIP code
Five years of EPA monitoring have produced no violations for Hart Heritage — the supplier serving 37 residents has kept every contaminant level within federal limits, a result that places it among the top-performing utilities for systems with a service population of comparable size.
Data: EPA SDWIS Last verified: 2026-04-02
Service Area Map
Coverage area for Hart Heritage Source: EPA SDWIS service area boundaries.
Service area boundary
Service Area Demographics
The Hart Heritage serves a community with a median household income of $100,583 and an estimated 7,187 residents across its service area. Approximately 47% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
💧 Where Does Your Water Come From?
Hart Heritage'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 Harford 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
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
Hart Heritage (EPA ID: MD0120021) is a community water system in Maryland that serves approximately 37 people from groundwater sources.
This system serves ZIP code 21154 in Street.
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
- 21154 — Street
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Hart Heritage (MD0120021) on EPA.gov.
Frequently Asked Questions
Is Hart Heritage water safe to drink?
Based on EPA records, Hart Heritage has no recorded violations in the past 5 years — a positive indicator of water quality management.
How many people does Hart Heritage serve?
Hart Heritage serves approximately 37 people across 1 ZIP code in Maryland.
Where does Hart Heritage get its water?
The primary water source is groundwater.