Dauphin County, Pennsylvania — Property Hazard, Flood Zone, Soil, Water & EPA Guide
What Are the Flood, Soil Foundation & EPA Risks in Dauphin County, PA?
In Dauphin County, Pennsylvania, public U.S. EPA records track 1,708 regulated facilities (#14 of 134 in Pennsylvania), including 31 (1.8%) High-Risk sites and $10,857,909 in federal penalties. Countywide due diligence also covers 189 Safe Drinking Water (SDWIS) facilities, 761 Clean Water NPDES permits, 1 FEMA Federal Disaster Declarations (1 flood/storm), USDA Soil Foundation Shrink-Swell (MODERATE signal), and EPA Zone 1 — High Potential (> 4.0 pCi/L).
Dauphin County, PA 6-in-1 Flood, Soil Foundation, Tap Water & Radon Signals
🔒 Parcel-Level Soil LEP %, Water Table Depth & Flood Zone Require Street Address Scan📊 Dauphin County, PA Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 05, 2026)Municipalities in Dauphin County
ZIP Codes in Dauphin County
Top EPA Regulated Facilities in Dauphin County, PA
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 High-Risk EPA Enforcement Record #1 | 🔒 Exact Street & Parcel Redacted • HARRISBURG, PA (ZIP 17104 Sector) | HIGH (92/100) | Significant Violation (12 qtrs NC) | 🔒 $100,000+ Federal Fine • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • MILLERSBURG, PA (ZIP 17061 Sector) | HIGH (71/100) | Significant Violation (3 qtrs NC) | 🔒 3 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • MIDDLETOWN, PA (ZIP 17057 Sector) | HIGH (67/100) | Significant Violation (9 qtrs NC) | 🔒 9 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • GRANTVILLE, PA (ZIP 17028 Sector) | HIGH (67/100) | Significant Violation (11 qtrs NC) | 🔒 11 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • HARRISBURG, PA (ZIP 17104 Sector) | HIGH (64/100) | Significant Violation (12 qtrs NC) | 🔒 12 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • HERSHEY, PA (ZIP 17033 Sector) | HIGH (64/100) | Violation Identified (12 qtrs NC) | 🔒 12 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • HERSHEY, PA (ZIP 17033 Sector) | HIGH (64/100) | Significant Violation (5 qtrs NC) | 🔒 5 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • HERSHEY, PA (ZIP 17033 Sector) | HIGH (64/100) | Significant Violation (9 qtrs NC) | 🔒 9 Qtrs Non-Compliance • Unlock → |
| J&L BRIQUETTE FREE PREVIEW (LOW RISK) | 6690 ST RT 209, LYKENS, PA 17048 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| NH LABORATORIES INC FREE PREVIEW (LOW RISK) | 6940 ALLENTOWN BLVD, HARRISBURG, PA 17112 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| RAYS FRONT END SHOP FREE PREVIEW (LOW RISK) | 214 W MARKET ST, GRATZ, PA 17030 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| MAYES JOHN O DMD FREE PREVIEW (LOW RISK) | 1201 GOVERNOR RD, HERSHEY, PA 17033 | LOW (16/100) | No Violation Identified (0 qtrs NC) | $0 |
Frequently Asked Questions — Dauphin County, Pennsylvania Environmental Due Diligence
How many EPA-regulated environmental sites are in Dauphin County, Pennsylvania?
Public U.S. EPA records track 1,708 regulated facilities in Dauphin County, Pennsylvania (ranking #14 of 134 jurisdictions in PA). Of those, 31 (1.8%) are classified in the High-Risk tier due to significant enforcement or chemical release history, and 139 (8.1%) have active non-compliance quarters.
Which ZIP codes and cities in Dauphin County have the highest regulated facility density?
Within Dauphin County, the highest concentrations of EPA-tracked facilities are located in ZIP 17057 (Middletown, 228 sites), ZIP 17112 (Harrisburg, 205 sites), ZIP 17111 (Lower Swatara, Township Of, 196 sites), spanning municipal corridors including Harrisburg (708 sites), Middletown (162 sites), Hershey (87 sites).
How many hazardous waste (RCRA) and toxic release (TRI) handlers operate in Dauphin County?
Across Dauphin County, 678 facilities (39.7% of regulated sites) are registered Resource Conservation and Recovery Act (RCRA) hazardous waste generators or handlers, and 0 industrial sites report toxic chemical releases to the EPA Toxics Release Inventory (TRI).
What is the EPA Radon Zone classification for Dauphin County, PA?
Geologic indoor air screening places Dauphin County in EPA Zone 1 — High Potential (> 4.0 pCi/L). Counties in EPA Radon Zone 1 have a predicted average indoor radon screening level greater than 4.0 pCi/L (the EPA action threshold). Short-term or continuous indoor radon testing is strongly recommended prior to closing.
How many drinking water systems (SDWIS), impaired water bodies, and FEMA flood disasters are recorded in Dauphin County, PA?
Federal records track 189 Safe Drinking Water (SDWIS) facilities, 761 Clean Water Act NPDES permits, and 560 impaired water dischargers in Dauphin County, alongside 1 historical FEMA federal disaster declarations (1 flood/storm events).
Does Dauphin County, PA have expansive clay soil or foundation risk?
USDA regional soil engineering screening for Dauphin County indicates a MODERATE shrink-swell risk signal and steel pipe corrosivity rated Moderate. Run a street address scan to unlock the exact parcel soil series, LEP %, and water table depth.