6-IN-1 STATE ENVIRONMENTAL, WATER, SOIL & FLOOD HUB • DE
Scan an Address in Delaware →
Delaware (DE) — Flood Zone, Tap Water Quality, Soil Foundation, Radon & EPA Hazards
According to public U.S. EPA, USDA, and FEMA registries (current as of November 01, 2026), Delaware tracks 4,343 EPA-regulated facilities, including 74 High-Risk sites (1.7%), 115 active violators, and $20,319,082 in federal penalties. Statewide environmental due diligence also covers 1,229 Safe Drinking Water (SDWIS) facilities, 262 Clean Water NPDES permits, 2 historical FEMA disaster declarations, USDA Soil Shrink-Swell (MODERATE regional signal), and EPA Zone 2 — Moderate Potential (2.0 – 4.0 pCi/L).
Total EPA Sites
4,343
High-Risk Sites (1.7%)
74
Active Violators (2.6%)
115
Drinking & Clean Water
1,491
Federal Penalties
$20,319,082
Delaware (DE) 6-in-1 Flood, Soil Foundation, Tap Water & Radon Screening Signals
🔒 Parcel-Level Soil LEP %, Water Table Depth & Flood Zone Require Street Address Scan🌊 Flood Zone & FEMA Disaster History
2 Statewide FEMA Declarations (1 Flood/Storm)
🔒 Exact Parcel Flood Zone (AE / VE / X) & SFHA Mandatory Insurance Status Locked
Check Property Flood Zone →
🪨 USDA Soil, Foundation & Water Table
Regional Shrink-Swell Signal: MODERATE • Pipe Corrosion: Low
🔒 Exact USDA Soil Series, Linear Extensibility (LEP %) & Water Table Depth (ft) Locked
Unlock Parcel Soil Test →
🚰 Tap Water (SDWIS) & PFAS Check
1,229 SDWIS Systems • 262 NPDES Permits
🔒 101 Impaired Water (303d) & 167 Violation Dockets Locked
Unlock Utility Violation Log →
☢️ EPA Radon & Karst Sinkhole
EPA Zone 2 — Moderate Potential (2.0 – 4.0 pCi/L)
Low / Non-Karst Bedrock Formation
🔒 0.25-Mi Vapor Intrusion Buffer Locked
📊 Delaware (DE) Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 01, 2026)1. Regulatory & Water Program Composition
RCRA Hazardous Waste Generators
2,331 (53.7%)
Clean Water (NPDES) & Drinking Water (SDWIS)
1,491 (34.3%)
Active EPA Non-Compliance Dockets
115 (2.6%)
High-Risk Enforcement Facilities
74 (1.7%)
2. FEMA NRI & USGS Hazard Index (1–10)
Relatively High (95.3/100)
🌊 Flood Exposure
10/10 • Relatively High
🔥 Wildfire Hazard
6/10 • Very Low
☀️ Extreme Heat
10/10 • Relatively Moderate
🌪️ Severe Wind / Storm
9/10 • Relatively Moderate
🫨 USGS Earthquake
9/10 • Relatively Moderate
3. High-Risk Density vs. U.S. Baseline
Delaware (DE) High-Risk Rate
1.7%
U.S. National EPA Baseline
3.6%
Why Scan a Specific Street Address? Public state pages show aggregate counts only. A paid property report unlocks exact facility names & distances in feet, USDA soil LEP % & water table depth, utility water violations, and parcel FEMA flood zone.
Major Municipal Environmental Directories in Delaware
Wilmington
776 sites
Newark
450 sites
New Castle
397 sites
Dover
294 sites
Seaford
114 sites
Milford
86 sites
Georgetown
82 sites
Middletown
80 sites
Lewes
76 sites
Millsboro
68 sites
Bear
67 sites
Smyrna
58 sites
Claymont
50 sites
Harrington
40 sites
Newport
39 sites
Bridgeville
39 sites
Laurel
39 sites
Selbyville
30 sites
Milton
28 sites
Rehoboth Beach
26 sites
Delmar
25 sites
Delaware City
24 sites
Hockessin
20 sites
Clayton
19 sites
Greenwood
18 sites
Frankford
18 sites
Elsmere
16 sites
Felton
15 sites
Camden
15 sites
Cheswold
14 sites
Dagsboro
14 sites
Ocean View
13 sites
Townsend
12 sites
Rehoboth
11 sites
Bethany Beach
10 sites
Wyoming
9 sites
Millville
8 sites
Odessa
8 sites
Magnolia
6 sites
Christiana
6 sites
Blades
6 sites
Frederica
5 sites
Hartly
5 sites
Fenwick Island
5 sites
Lincoln
5 sites
Stanton
5 sites
Long Neck
5 sites
Yorklyn
5 sites
Counties in Delaware (18)
| County | Total Sites | High Risk | RCRA Waste |
|---|---|---|---|
| New Castle County | 1,957 | 38 | 1,580 |
| Sussex County | 932 | 13 | 377 |
| Kent County | 606 | 8 | 338 |
| New Castle County | 44 | 4 | 5 |
| Sussex County | 40 | 7 | 5 |
| Kent County | 23 | 0 | 3 |
| Portable Source County | 7 | 0 | 0 |
| Cecil County | 4 | 0 | 0 |
| Chester County | 2 | 0 | 0 |
| Delaware County | 2 | 0 | 0 |
| Berks County | 1 | 0 | 0 |
| Carbon County | 1 | 0 | 0 |
| Delaware County | 1 | 0 | 0 |
| Dorchester County | 1 | 0 | 0 |
| Hills County | 1 | 0 | 0 |
| Montgomery County | 1 | 0 | 0 |
| Polk County | 1 | 0 | 0 |
| Undetermined County | 1 | 0 | 0 |
Highest-Density ZIP Codes in Delaware
| ZIP Code | City | Total Sites | High Risk |
|---|---|---|---|
| 19720 | New Castle | 403 | 12 |
| 19958 | Lewes | 75 | 7 |
| 19801 | Wilmington | 180 | 6 |
| 19947 | Georgetown | 81 | 4 |
| 19971 | Dewey Beach | 39 | 4 |
| 19901 | Dover | 204 | 3 |
| 19711 | Newark | 170 | 3 |
| 19702 | Newark | 139 | 3 |
| 19804 | Newport | 132 | 3 |
| 19709 | Middletown | 81 | 3 |
| 19973 | Seaford | 118 | 2 |
| 19803 | Wilmington | 91 | 2 |
| 19963 | Milford | 85 | 2 |
| 19701 | Bear | 66 | 2 |
| 19805 | Elsmere | 106 | 1 |
| 19808 | Wilmington | 105 | 1 |
| 19802 | Wilmington | 91 | 1 |
| 19904 | Dover | 72 | 1 |
| 19977 | Smyrna | 58 | 1 |
| 19703 | Claymont | 52 | 1 |
| 19952 | Harrington | 40 | 1 |
| 19956 | Laurel | 36 | 1 |
| 19975 | Selbyville | 32 | 1 |
| 19706 | Delaware City | 24 | 1 |
| 19938 | Clayton | 19 | 1 |
| 19950 | Greenwood | 18 | 1 |
| 19939 | Dagsboro | 13 | 1 |
| 19716 | Newark | 6 | 1 |
| 19951 | Harbeson | 4 | 1 |
| 19721 | New Castle | 2 | 1 |
| 19993 | Bridgeville | 1 | 1 |
| 19718 | Newark | 1 | 1 |
| 18873 | Seaford | 1 | 1 |
| 19713 | Newark | 149 | 0 |
| 19966 | Millsboro | 71 | 0 |
| 19809 | Wilmington | 47 | 0 |
| 19810 | Wilmington | 42 | 0 |
| 19933 | Bridgeville | 39 | 0 |
| 19934 | Wyoming | 34 | 0 |
| 19806 | Wilmington | 32 | 0 |
| 19968 | Milton | 28 | 0 |
| 19940 | Delmar | 25 | 0 |
| 19707 | Hockessin | 21 | 0 |
| 19945 | Frankford | 19 | 0 |
| 19903 | Dover | 16 | 0 |
| 19943 | Felton | 16 | 0 |
| 19970 | Ocean View | 15 | 0 |
| 19899 | Wilmington | 15 | 0 |
| 19936 | Cheswold | 14 | 0 |
| 19734 | Townsend | 12 | 0 |
| 19807 | Wilmington | 12 | 0 |
| 19930 | Bethany Beach | 10 | 0 |
| 19902 | Dover | 10 | 0 |
| 19967 | Millville | 7 | 0 |
| 19730 | Odessa | 7 | 0 |
| 19944 | Fenwick Island | 6 | 0 |
| 19946 | Frederica | 5 | 0 |
| 19953 | Hartly | 5 | 0 |
| 19960 | Lincoln | 5 | 0 |
| 19736 | Yorklyn | 5 | 0 |
Highest-Scored EPA Enforcement & Contamination Facilities in Delaware
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 Score (0–100) | Compliance Status | Enforcement / Unlock |
|---|---|---|---|---|
| 🔒 Locked High-Risk EPA Enforcement Record #1 | 🔒 Exact Street & Parcel Redacted • DELAWARE CITY, DE (ZIP 19706 Sector) | HIGH (98/100) | Significant Violation (11 qtrs NC) | 🔒 $100,000+ Federal Fine • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • NEW CASTLE, DE (ZIP 19720 Sector) | HIGH (98/100) | Significant Violation (10 qtrs NC) | 🔒 $100,000+ Federal Fine • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • NEW CASTLE, DE (ZIP 19720 Sector) | HIGH (88/100) | Significant Violation (12 qtrs NC) | 🔒 Federal Penalty on File • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • BEAR, DE (ZIP 19701 Sector) | HIGH (86/100) | Significant Violation (11 qtrs NC) | 🔒 $10,000+ Federal Fine • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • GEORGETOWN, DE (ZIP 19947 Sector) | HIGH (71/100) | Significant Violation (9 qtrs NC) | 🔒 9 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • NEW CASTLE, DE (ZIP 19720 Sector) | HIGH (69/100) | Resolved / Historical Non-Compliance (4 qtrs NC) | 🔒 $100,000+ Federal Fine • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • DOVER, DE (ZIP 19904 Sector) | HIGH (69/100) | Significant Violation (11 qtrs NC) | 🔒 $10,000+ Federal Fine • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • NEW CASTLE, DE (ZIP 19720 Sector) | HIGH (68/100) | Significant Violation (12 qtrs NC) | 🔒 $10,000+ Federal Fine • Unlock → |
| SAM'S CLUB #6330 FREE PREVIEW (LOW RISK) | 1572 NORTH DUPONT HIGHWAY, DOVER, DE 19901 | LOW (16/100) | No Violation Identified (0 qtrs NC) | $0 |
| BRUCE INDUSTRIAL CO INC FREE PREVIEW (LOW RISK) | 4049 NEW CASTLE AVE, NEW CASTLE, DE 19720 | LOW (15/100) | No Violation Identified (0 qtrs NC) | $0 |
| EAST COAST AUTOMOTIVE - RT 54 BOX 52I, SELBYVILLE FREE PREVIEW (LOW RISK) | RT 54 BOX 52I, SELBYVILLE, DE 19975 | LOW (15/100) | No Violation Identified (0 qtrs NC) | $0 |
| DELDOT BRIDGE #1-567 - EDGEMOOR ROAD OVER AMTRAK FREE PREVIEW (LOW RISK) | EDGEMOOR ROAD OVER AMTRAK, WILMINGTON, DE 19809 | LOW (15/100) | No Violation Identified (0 qtrs NC) | $0 |
🔒 + 4,331 Additional Regulated & Enforcement Records in Delaware Redacted from Public Directory
Run 1-Mile Property Scan to Unlock All Records →
Frequently Asked Questions — Delaware (DE) Environmental Due Diligence & EPA Dataset
How many EPA-regulated environmental sites and high-risk facilities are in Delaware?
Public U.S. EPA records track 4,343 regulated facilities across Delaware. Of those, 74 (1.7%) are classified in the High-Risk tier due to formal enforcement actions, penalties, or toxic chemical releases, and 115 (2.6%) have active non-compliance quarters.
Which counties and ZIP codes in Delaware have the highest concentration of EPA-regulated sites?
In Delaware, the highest regulated facility volumes are concentrated in New Castle County (1,957 sites), Sussex County (932 sites), Kent County (606 sites), New Castle County (44 sites), with key high-risk postal sectors including ZIP 19720 (New Castle, 12 high-risk), ZIP 19958 (Lewes, 7 high-risk), ZIP 19801 (Wilmington, 6 high-risk), ZIP 19947 (Georgetown, 4 high-risk).
How many drinking water systems (SDWIS), Clean Water permits, and FEMA disaster declarations are recorded in Delaware?
Statewide in Delaware, federal registries track 1,229 Safe Drinking Water (SDWIS) facilities, 262 Clean Water Act NPDES permits, and 101 impaired water body (303d) dischargers, alongside 2 historical FEMA disaster declarations.
What is the EPA Radon Zone and USDA Soil Foundation Risk for properties in Delaware?
Regional geologic screening places Delaware in EPA Zone 2 — Moderate Potential (2.0 – 4.0 pCi/L) with USDA regional soil shrink-swell rated MODERATE. Run a street address scan to unlock exact parcel soil LEP %, water table depth, and flood zone.