Johnson County, Indiana — Property Hazard, Flood Zone, Soil, Water & EPA Guide
What Are the Flood, Soil Foundation & EPA Risks in Johnson County, IN?
In Johnson County, Indiana, public U.S. EPA records track 683 regulated facilities (#16 of 186 in Indiana), including 12 (1.8%) High-Risk sites and $113,650 in federal penalties. Countywide due diligence also covers 41 Safe Drinking Water (SDWIS) facilities, 829 Clean Water NPDES permits, 2 FEMA Federal Disaster Declarations (1 flood/storm), USDA Soil Foundation Shrink-Swell (MODERATE signal), and EPA Zone 1 — High Potential (> 4.0 pCi/L).
Johnson 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📊 Johnson County, IN Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 03, 2026)Municipalities in Johnson County
Top EPA Regulated Facilities in Johnson 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 High-Risk EPA Enforcement Record #1 | 🔒 Exact Street & Parcel Redacted • GREENWOOD, IN (ZIP 46143 Sector) | HIGH (84/100) | Violation Identified (12 qtrs NC) | 🔒 $10,000+ Federal Fine • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • EDINBURGH, IN (ZIP 46124 Sector) | HIGH (67/100) | Significant Violation (8 qtrs NC) | 🔒 8 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • FRANKLIN, IN (ZIP 46131 Sector) | HIGH (64/100) | Significant Violation (4 qtrs NC) | 🔒 4 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • GREENWOOD, IN (ZIP 46143 Sector) | HIGH (64/100) | Significant Violation (6 qtrs NC) | 🔒 6 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • NEW WHITELAND, IN (ZIP 46184 Sector) | HIGH (64/100) | Significant Violation (7 qtrs NC) | 🔒 7 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • FRANKLIN, IN (ZIP 46131 Sector) | HIGH (64/100) | Significant Violation (10 qtrs NC) | 🔒 10 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • EDINBURGH, IN (ZIP 46124 Sector) | HIGH (64/100) | Significant Violation (2 qtrs NC) | 🔒 2 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • EDINBURGH, IN (ZIP 46124 Sector) | MODERATE (38/100) | Violation Identified (4 qtrs NC) | 🔒 4 Qtrs Non-Compliance • Unlock → |
| INDY SOUTH GREENWOOD AIRPORT FREE PREVIEW (LOW RISK) | 897 AIRPORT PKWY, GREENWOOD, IN 46143 | LOW (24/100) | Unknown (0 qtrs NC) | $0 |
| JOHNSON MEMORIAL HEALTH BEHAVIORAL PSYCHOLOGY BUILDING FREE PREVIEW (LOW RISK) | 1125 W JEFFERSON ST, FRANKLIN, IN 46131 | LOW (20/100) | Unknown (0 qtrs NC) | $0 |
| LOWE'S OF FRANKLIN, IN #2523 FREE PREVIEW (LOW RISK) | 2219 N MORTON ST, FRANKLIN, IN 46131 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| MILLSTONE SECTION 2 FREE PREVIEW (LOW RISK) | SAWMILL RD & WHITELAND RD, WHITELAND, IN 46184 | LOW (16/100) | Unknown (0 qtrs NC) | $0 |
Frequently Asked Questions — Johnson County, Indiana Environmental Due Diligence
How many EPA-regulated environmental sites are in Johnson County, Indiana?
Public U.S. EPA records track 683 regulated facilities in Johnson County, Indiana (ranking #16 of 186 jurisdictions in IN). Of those, 12 (1.8%) are classified in the High-Risk tier due to significant enforcement or chemical release history, and 14 (2.0%) have active non-compliance quarters.
Which ZIP codes and cities in Johnson County have the highest regulated facility density?
Within Johnson County, the highest concentrations of EPA-tracked facilities are located in ZIP 46143 (Greenwood, 399 sites), ZIP 46131 (Franklin, 338 sites), ZIP 46181 (Trafalgar, 31 sites), spanning municipal corridors including Greenwood (531 sites), Franklin (332 sites), Trafalgar (31 sites).
How many hazardous waste (RCRA) and toxic release (TRI) handlers operate in Johnson County?
Across Johnson County, 262 facilities (38.4% 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 Johnson County, IN?
Geologic indoor air screening places Johnson 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 Johnson County, IN?
Federal records track 41 Safe Drinking Water (SDWIS) facilities, 829 Clean Water Act NPDES permits, and 94 impaired water dischargers in Johnson County, alongside 2 historical FEMA federal disaster declarations (1 flood/storm events).
Does Johnson County, IN have expansive clay soil or foundation risk?
USDA regional soil engineering screening for Johnson 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.