Port Deposit
EPA ID: MD0070020 · 725 people served · 1 ZIP code
ZipCheckup's reading of EPA records for Port Deposit (MD0070020): no drinking-water violations recorded since 2021. From the earliest to the most recent cycle in the EPA data on file, Port Deposit has logged zero violations for the 725 people in its service area - a count of records, not a test result for any home.
Data: EPA SDWIS
Service Area Map
Coverage area for Port Deposit Source: EPA SDWIS service area boundaries.
Service area boundary
Demographics of ZIP Codes Served
The ZIP codes associated with Port Deposit have a median household income of $84,375 and about 6,401 residents live in those ZIP codes (Census; not the number of people this system supplies). Approximately 45% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
🌊 Where Does Your Water Come From?
Port Deposit'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 90th percentile nationally for proximity to Superfund (NPL) sites.
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
Port Deposit (EPA ID: MD0070020) is a community water system in Maryland that serves approximately 725 people from surface water sources.
This system serves ZIP code 21904 in Port Deposit.
Violation History
Lead & Copper
EPA Lead and Copper Rule evidence attributed directly to this water system:
| Lead Level | Exceeds Action Level | Sample Date |
|---|---|---|
| Below the reporting limit | No | 2023-12-31 |
No copper action-level exceedance record appears for this PWSID in the accepted LCR snapshot. This does not establish a clean copper measurement.
Radon Risk in Service Area
1 of 1 ZIP records with known zones is in EPA Radon Zone 2.
The EPA recommends testing all homes regardless of radon zone. County radon zones cannot replace an in-home radon test.
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.
- 21904 - Port Deposit
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View available EPA compliance records for Port Deposit (MD0070020) on EPA.gov.
Frequently Asked Questions
Is Port Deposit water safe to drink?
The accepted 2026Q2 ECHO snapshot contains zero violation records for Port Deposit 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 Port Deposit serve?
Port Deposit serves approximately 725 people across 1 ZIP code in Maryland.
Where does Port Deposit get its water?
The primary water source is surface water.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Port Deposit Water Quality Report, MD. https://zipcheckup.com/water-system/md0070020/
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author = {{ZipCheckup}},
title = {{Port Deposit Water Quality Report, MD}},
year = {n.d.},
url = {https://zipcheckup.com/water-system/md0070020/}
}