Sangamon County, Illinois — Property Hazard, Flood Zone, Soil, Water & EPA Guide
What Are the Flood, Soil Foundation & EPA Risks in Sangamon County, IL?
In Sangamon County, Illinois, public U.S. EPA records track 1,110 regulated facilities (#13 of 193 in Illinois), including 23 (2.1%) High-Risk sites and $5,393,680 in federal penalties. Countywide due diligence also covers 64 Safe Drinking Water (SDWIS) facilities, 197 Clean Water NPDES permits, 1 FEMA Federal Disaster Declarations (1 flood/storm), USDA Soil Foundation Shrink-Swell (HIGH signal), and EPA Zone 1 — High Potential (> 4.0 pCi/L).
Sangamon County, IL 6-in-1 Flood, Soil Foundation, Tap Water & Radon Signals
🔒 Parcel-Level Soil LEP %, Water Table Depth & Flood Zone Require Street Address Scan📊 Sangamon County, IL Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 03, 2026)Municipalities in Sangamon County
ZIP Codes in Sangamon County
Top EPA Regulated Facilities in Sangamon County, IL
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 • SPRINGFIELD, IL (ZIP 62707 Sector) | HIGH (69/100) | Significant Violation (12 qtrs NC) | 🔒 $10,000+ Federal Fine • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • SPRINGFIELD, IL (ZIP 62764 Sector) | HIGH (68/100) | Significant Violation (12 qtrs NC) | 🔒 12 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • SPRINGFIELD, IL (ZIP 62703 Sector) | HIGH (66/100) | Violation Identified (3 qtrs NC) | 🔒 $10,000+ Federal Fine • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • MECHANICSBURG, IL (ZIP 62545 Sector) | HIGH (65/100) | Significant Violation (12 qtrs NC) | 🔒 12 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • DAWSON, IL (ZIP 62520 Sector) | HIGH (65/100) | Significant Violation (12 qtrs NC) | 🔒 12 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • RIVERTON, IL (ZIP 62561 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 • SPRINGFIELD, IL (ZIP 62707 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 • SPRINGFIELD, IL (ZIP 62703 Sector) | HIGH (64/100) | Significant Violation (12 qtrs NC) | 🔒 12 Qtrs Non-Compliance • Unlock → |
| HONEYWELL HOBBS CORPORATION FREE PREVIEW (LOW RISK) | 1034 EAST ASH STREET, SPRINGFIELD, IL 62703 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| MODERN BUSINESS SYTEMS FREE PREVIEW (LOW RISK) | 6444 S FRONTAGE RD 6TH, SPRINGFIELD, IL 62707 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| CWLP WATER DEPT FREE PREVIEW (LOW RISK) | 401 N 11TH ST, SPRINGFIELD, IL 62702 | LOW (16/100) | No Violation Identified (0 qtrs NC) | $0 |
| JOHNSON & JOHNSON FREE PREVIEW (LOW RISK) | 1325 STEVENSON DR, SPRINGFIELD, IL 62703 | LOW (16/100) | No Violation Identified (0 qtrs NC) | $0 |
Frequently Asked Questions — Sangamon County, Illinois Environmental Due Diligence
How many EPA-regulated environmental sites are in Sangamon County, Illinois?
Public U.S. EPA records track 1,110 regulated facilities in Sangamon County, Illinois (ranking #13 of 193 jurisdictions in IL). Of those, 23 (2.1%) are classified in the High-Risk tier due to significant enforcement or chemical release history, and 48 (4.3%) have active non-compliance quarters.
Which ZIP codes and cities in Sangamon County have the highest regulated facility density?
Within Sangamon County, the highest concentrations of EPA-tracked facilities are located in ZIP 62703 (Springfield, 278 sites), ZIP 62702 (Springfield, 234 sites), ZIP 62707 (Springfield, 138 sites), spanning municipal corridors including Springfield (945 sites), New Berlin (27 sites), Riverton (24 sites).
How many hazardous waste (RCRA) and toxic release (TRI) handlers operate in Sangamon County?
Across Sangamon County, 663 facilities (59.7% 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 Sangamon County, IL?
Geologic indoor air screening places Sangamon 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 Sangamon County, IL?
Federal records track 64 Safe Drinking Water (SDWIS) facilities, 197 Clean Water Act NPDES permits, and 44 impaired water dischargers in Sangamon County, alongside 1 historical FEMA federal disaster declarations (1 flood/storm events).
Does Sangamon County, IL have expansive clay soil or foundation risk?
USDA regional soil engineering screening for Sangamon County indicates a HIGH 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.