Adelphi, Maryland — Property Hazard, Flood Zone, Soil, Water & Market Guide
What Are the Major Property, Flood, Soil & Environmental Risks in Adelphi, MD?
Public U.S. EPA records track 37 regulated facilities in Adelphi, Maryland (Prince Georges County), including 0 High-Risk sites (0.0%) and 0 active violators. In addition to industrial waste, Adelphi properties are screened for Tap Water & Watershed Permits (3 systems), USDA Soil Foundation Shrink-Swell (LOW signal), 1 County FEMA Disaster Declarations, and EPA Zone 2 — Moderate Potential (2.0 – 4.0 pCi/L).
Adelphi, MD 6-in-1 Flood, Soil Foundation, Tap Water & Radon Signals
🔒 Parcel-Level Soil LEP %, Water Table Depth & Flood Zone Require Street Address Scan📊 Adelphi, MD Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 03, 2026)ZIP Codes in Adelphi, MD
Highest-Scored EPA Regulated Facilities in Adelphi, MD
100% of High-Risk & penalized facilities have facility names, street names, and dockets redacted (3 Low-Risk compliant records shown as Free Previews).
| Facility Name / Hazard Type | Sector Location (Street Redacted) | Risk Tier & Score | Compliance Status | Enforcement / Unlock |
|---|---|---|---|---|
| 🔒 Locked Regulated EPA Enforcement Record #1 | 🔒 Exact Street & Parcel Redacted • ADELPHI, MD (ZIP 20783 Sector) | MODERATE (30/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • ADELPHI, MD (ZIP 20783 Sector) | MODERATE (30/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • ADELPHI, MD (ZIP 20783 Sector) | MODERATE (30/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • ADELPHI, MD (ZIP 20783 Sector) | MODERATE (30/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • ADELPHI, MD (ZIP 20783 Sector) | MODERATE (30/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • ADELPHI, MD (ZIP 20783 Sector) | MODERATE (30/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| K-MART FREE PREVIEW (LOW RISK) | 8001 NEW HAMPSHIRE AVENUE, ADELPHI, MD 20783 | LOW (19/100) | No Violation Identified (0 qtrs NC) | $0 |
| UNIVERSITY MD UNIVERSITY COLLEGE FREE PREVIEW (LOW RISK) | 3501 UNIVERSITY BLVD E, ADELPHI, MD 20783 | LOW (19/100) | No Violation Identified (0 qtrs NC) | $0 |
| MARYLANDER CONDOMINIUMS FREE PREVIEW (LOW RISK) | 7961 RIGGS ROAD, ADELPHI, MD 20783 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| DBA RITE AID # 3868 FREE PREVIEW (LOW RISK) | 1823 EAST WEST HWY, ADELPHI, MD 20783 | LOW (16/100) | No Violation Identified (0 qtrs NC) | $0 |
| 🔒 Locked Regulated EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • ADELPHI, MD (ZIP 20783 Sector) | LOW (16/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • ADELPHI, MD (ZIP 20783 Sector) | LOW (16/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
Frequently Asked Questions — Adelphi, Maryland Environmental Risk & Radon
How many EPA-regulated facilities are in Adelphi, MD?
U.S. EPA records track 37 regulated facilities in Adelphi, Maryland, including 0 high-risk sites (0.0%), 0 active violators (0.0%), and 14 RCRA hazardous waste handlers (37.8%).
Which ZIP codes in Adelphi, MD have the most EPA-tracked sites?
Within Adelphi, regulated facilities are primarily concentrated across ZIP 20783 (116 sites).
How can I check a specific house or commercial property in Adelphi, MD?
Enter the exact street address in Adelphi into the FullPropertyReport radius scanner to screen all EPA ECHO, FRS, RCRA, TRI, USDA soil foundation shrink-swell, drinking water (SDWIS), FEMA flood zone, and county radon records within 0.5 to 3.0 miles.
Is tap water safe in Adelphi, MD and how many EPA water permits exist?
In Adelphi, MD, federal registries track 0 Safe Drinking Water (SDWIS) facilities, 3 Clean Water Act NPDES permits, and 1 impaired water body dischargers.
What is the soil foundation risk and FEMA flood disaster history in Adelphi, MD?
USDA regional soil screening for Adelphi indicates a LOW shrink-swell foundation signal, and Prince Georges County has recorded 1 federal FEMA disaster declarations (0 flood/severe storm declarations). Run an address scan to unlock exact parcel soil LEP %, water table depth, and flood zone.