Porter County, Indiana — Property Hazard, Flood Zone, Soil, Water & EPA Guide
What Are the Flood, Soil Foundation & EPA Risks in Porter County, IN?
In Porter County, Indiana, public U.S. EPA records track 293 regulated facilities (#53 of 186 in Indiana), including 1 (0.3%) High-Risk sites and $1,200 in federal penalties. Countywide due diligence also covers 1 Safe Drinking Water (SDWIS) facilities, 277 Clean Water NPDES permits, 3 FEMA Federal Disaster Declarations (2 flood/storm), USDA Soil Foundation Shrink-Swell (MODERATE signal), and EPA Zone 1 — High Potential (> 4.0 pCi/L).
Porter County, IN 6-in-1 Flood, Soil Foundation, Tap Water & Radon Signals
🔒 Parcel-Level Soil LEP %, Water Table Depth & Flood Zone Require Street Address Scan📊 Porter County, IN Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 03, 2026)Municipalities in Porter County
ZIP Codes in Porter County
Top EPA Regulated Facilities in Porter County, IN
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 • CHESTERTON, IN (ZIP 46304 Sector) | MODERATE (52/100) | Violation Identified (5 qtrs NC) | 🔒 5 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • PORTAGE, IN (ZIP 46368 Sector) | MODERATE (35/100) | Violation Identified (3 qtrs NC) | 🔒 3 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • PORTER, IN (ZIP 46304 Sector) | MODERATE (31/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • VALPARAISO, IN (ZIP 46383 Sector) | MODERATE (30/100) | No Violation Identified (0 qtrs NC) | 🔒 Federal Penalty on File • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • PORTAGE, IN (ZIP 46368 Sector) | MODERATE (30/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • PORTAGE, IN (ZIP 46368 Sector) | MODERATE (30/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • PORTAGE, IN (ZIP 46368 Sector) | MODERATE (30/100) | Violation Identified (1 qtrs NC) | 🔒 1 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • VALPARAISO, IN (ZIP 46383 Sector) | MODERATE (30/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| SCIANNA SUBDIVISION FREE PREVIEW (LOW RISK) | N CR 100 W & CARLISLE LN, VALPARAISO, IN 46385 | LOW (18/100) | Unknown (0 qtrs NC) | $0 |
| MARQUETTE GREENWAY - PHASE 1B FREE PREVIEW (LOW RISK) | N BABCOCK RD & W BEAM ST, CHESTERON, IN 46304 | LOW (18/100) | Unknown (0 qtrs NC) | $0 |
| CENTRAL AVENUE RECONSTRUCTION PHASE 1 IN PORTAGE - RULE 5 PERMIT (DES 2101214, 2 FREE PREVIEW (LOW RISK) | CENTRAL AVE & WILLOW CREEK, PORTAGE, IN 46368 | LOW (18/100) | No Violation Identified (0 qtrs NC) | $0 |
| LUKE STORE 227 FREE PREVIEW (LOW RISK) | 1058 S SR 2, VALPARAISO, IN 46383 | LOW (17/100) | Unknown (0 qtrs NC) | $0 |
Frequently Asked Questions — Porter County, Indiana Environmental Due Diligence
How many EPA-regulated environmental sites are in Porter County County, Indiana?
Public U.S. EPA records track 293 regulated facilities in Porter County County, Indiana (ranking #53 of 186 jurisdictions in IN). Of those, 1 (0.3%) are classified in the High-Risk tier due to significant enforcement or chemical release history, and 3 (1.0%) have active non-compliance quarters.
Which ZIP codes and cities in Porter County County have the highest regulated facility density?
Within Porter County County, the highest concentrations of EPA-tracked facilities are located in ZIP 46383 (Valparaiso, 358 sites), ZIP 46431 (Hebron, 1 sites), spanning municipal corridors including Valparaiso (502 sites), Burns Harbor (34 sites), Ogden Dunes (2 sites).
How many hazardous waste (RCRA) and toxic release (TRI) handlers operate in Porter County County?
Across Porter County County, 6 facilities (2.0% 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 Porter County County, IN?
Geologic indoor air screening places Porter 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 Porter County County, IN?
Federal records track 1 Safe Drinking Water (SDWIS) facilities, 277 Clean Water Act NPDES permits, and 40 impaired water dischargers in Porter County County, alongside 3 historical FEMA federal disaster declarations (2 flood/storm events).
Does Porter County, IN have expansive clay soil or foundation risk?
USDA regional soil engineering screening for Porter County indicates a MODERATE shrink-swell risk signal and steel pipe corrosivity rated High. Run a street address scan to unlock the exact parcel soil series, LEP %, and water table depth.