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 74 regulated facilities (#108 of 134 in Pennsylvania), including 4 (5.4%) High-Risk sites and $42,225 in federal penalties. Countywide due diligence also covers 3 Safe Drinking Water (SDWIS) facilities, 49 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 03, 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 Regulated EPA Enforcement Record #1 | 🔒 Exact Street & Parcel Redacted • MIDDLETOWN, PA (ZIP 17057 Sector) | MODERATE (48/100) | Violation Identified (5 qtrs NC) | 🔒 5 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • HARRISBURG, PA (ZIP 17112 Sector) | MODERATE (46/100) | Violation Identified (12 qtrs NC) | 🔒 12 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • HARRISBURG, PA (ZIP 17111 Sector) | MODERATE (44/100) | Violation Identified (12 qtrs NC) | 🔒 12 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • MILLERSBURG, PA (ZIP 17061 Sector) | MODERATE (39/100) | Resolved / Historical Non-Compliance (8 qtrs NC) | 🔒 8 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • MIDDLETOWN, PA (ZIP 17057 Sector) | MODERATE (35/100) | Violation Identified (5 qtrs NC) | 🔒 5 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • MIDDLETOWN, PA (ZIP 17057 Sector) | MODERATE (33/100) | Resolved / Historical Non-Compliance (2 qtrs NC) | 🔒 $10,000+ Federal Fine • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • MIDDLETOWN, PA (ZIP 17057 Sector) | MODERATE (33/100) | Resolved / Historical Non-Compliance (1 qtrs NC) | 🔒 1 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • HUMMELSTOWN, PA (ZIP 17036 Sector) | MODERATE (33/100) | Violation Identified (5 qtrs NC) | 🔒 5 Qtrs Non-Compliance • Unlock → |
| SFS BISHOP, KAYLIN & MICHAEL FREE PREVIEW (LOW RISK) | 1049 NORTH FAIRVILLE AVENUE, HARRISBURG, PA 17112 | LOW (18/100) | Unknown (0 qtrs NC) | $0 |
| SFS, STROUP DONNA FREE PREVIEW (LOW RISK) | 1123 SHIPPEN DAM RD, MILLERSBURG, PA 17061 | LOW (18/100) | No Violation Identified (0 qtrs NC) | $0 |
| WSHO-HARR 8-3 TRANSMISSION REBUILD FREE PREVIEW (LOW RISK) | 0.01 W NINETEENTH AND GIBSON STREETS, HARRISBURG, PA 17104 | LOW (18/100) | No Violation Identified (0 qtrs NC) | $0 |
| ADVANCED SCIENTIFIC LDP FREE PREVIEW (LOW RISK) | 163 RESEARCH LN, MILLERSBURG, PA 17061 | LOW (18/100) | 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 County, Pennsylvania?
Public U.S. EPA records track 74 regulated facilities in Dauphin County County, Pennsylvania (ranking #108 of 134 jurisdictions in PA). Of those, 4 (5.4%) are classified in the High-Risk tier due to significant enforcement or chemical release history, and 11 (14.9%) have active non-compliance quarters.
Which ZIP codes and cities in Dauphin County County have the highest regulated facility density?
Within Dauphin County County, the highest concentrations of EPA-tracked facilities are located in ZIP 17106 (Harrisburg, 4 sites), spanning municipal corridors including Dauphin County.
How many hazardous waste (RCRA) and toxic release (TRI) handlers operate in Dauphin County County?
Across Dauphin County County, 3 facilities (4.1% 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 County, PA?
Geologic indoor air screening places Dauphin County 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 County, PA?
Federal records track 3 Safe Drinking Water (SDWIS) facilities, 49 Clean Water Act NPDES permits, and 30 impaired water dischargers in Dauphin County 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.