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Richland County, Ohio — Property Hazard, Flood Zone, Soil, Water & EPA Guide

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What Are the Flood, Soil Foundation & EPA Risks in Richland County, OH?

In Richland County, Ohio, public U.S. EPA records track 754 regulated facilities (#14 of 141 in Ohio), including 16 (2.1%) High-Risk sites and $6,219,536 in federal penalties. Countywide due diligence also covers 192 Safe Drinking Water (SDWIS) facilities, 60 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).

Total EPA Sites (#14/141)
754
High-Risk (2.1% vs 1.7% State)
16
Active Violators (7.0%)
53
Drinking & Clean Water
252
Federal Penalties
$6,219,536

Richland County, OH 6-in-1 Flood, Soil Foundation, Tap Water & Radon Signals

🔒 Parcel-Level Soil LEP %, Water Table Depth & Flood Zone Require Street Address Scan
🌊 Flood Zone & FEMA Disaster History
1 County FEMA Declarations (1 Flood/Storm)
🔒 Exact Parcel Flood Zone (AE / VE / X) & SFHA Insurance Requirement Locked
Check Property Flood Zone →
🪨 USDA Soil, Foundation & Water Table
Shrink-Swell Risk Signal: MODERATE • Pipe Corrosion: High
🔒 Exact USDA Soil Series, Linear Extensibility (LEP %) & Water Table Depth (ft) Locked
Unlock Parcel Soil Test →
🚰 Tap Water (SDWIS) & PFAS Check
192 SDWIS Systems • 60 NPDES Permits
🔒 51 Impaired Water (303d) & 71 Violation Dockets Locked
Unlock Utility Violation Log →
☢️ EPA Radon & Karst Sinkhole
EPA Zone 1 — High Potential (> 4.0 pCi/L)
Low / Non-Karst Bedrock & Alluvial Formation
🔒 0.25-Mi Vapor Intrusion Buffer Locked

📊 Richland County, OH Statistical Risk Graphs & Multi-Hazard Telemetry

SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 05, 2026)
1. County Regulatory & Water Program Mix
RCRA Hazardous Waste Generators 469 (62.2%)
Clean Water (NPDES) & Drinking Water (SDWIS) 252 (33.4%)
Active EPA Non-Compliance Dockets 53 (7.0%)
High-Risk Enforcement Facilities 16 (2.1%)
2. FEMA NRI & USGS Hazard Index (1–10) Relatively Low (61.3/100)
🌊 Flood Exposure 3/10 • Low Hazard
🔥 Wildfire Hazard 1/10 • Very Low Hazard
☀️ Extreme Heat 3/10 • Low Hazard
🌪️ Severe Wind / Storm 5/10 • Moderate Hazard
🫨 USGS Earthquake 2/10 • Low Seismic Hazard
3. County vs. State & National Benchmark
Richland County High-Risk % 2.1%
Ohio (OH) Statewide Avg 1.7%
U.S. National EPA Baseline 3.6%
Unlock Street-Level Dossier: Full report reveals unredacted facility names, distances in feet, exact USDA soil LEP %, water table depth, and parcel flood zone.
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Top EPA Regulated Facilities in Richland County, OH

100% of High-Risk & penalized facilities have facility names, street names, and dockets redacted (3 Low-Risk compliant records shown as Free Previews).

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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 • MANSFIELD, OH (ZIP 44903 Sector) HIGH (73/100) Significant Violation (8 qtrs NC) 🔒 $10,000+ Federal Fine • Unlock →
🔒 Locked High-Risk EPA Enforcement Record #2 🔒 Exact Street & Parcel Redacted • SHELBY, OH (ZIP 44875 Sector) HIGH (72/100) Significant Violation (8 qtrs NC) 🔒 $10,000+ Federal Fine • Unlock →
🔒 Locked High-Risk EPA Enforcement Record #3 🔒 Exact Street & Parcel Redacted • MANSFIELD, OH (ZIP 44903 Sector) HIGH (70/100) Significant Violation (11 qtrs NC) 🔒 11 Qtrs Non-Compliance • Unlock →
🔒 Locked High-Risk EPA Enforcement Record #4 🔒 Exact Street & Parcel Redacted • LEXINGTON, OH (ZIP 44904 Sector) HIGH (66/100) Significant Violation (12 qtrs NC) 🔒 12 Qtrs Non-Compliance • Unlock →
🔒 Locked High-Risk EPA Enforcement Record #5 🔒 Exact Street & Parcel Redacted • BUTLER, OH (ZIP 44822 Sector) HIGH (64/100) Significant Violation (10 qtrs NC) 🔒 10 Qtrs Non-Compliance • Unlock →
🔒 Locked High-Risk EPA Enforcement Record #6 🔒 Exact Street & Parcel Redacted • MANSFIELD, OH (ZIP 44903 Sector) HIGH (64/100) Significant Violation (6 qtrs NC) 🔒 6 Qtrs Non-Compliance • Unlock →
🔒 Locked High-Risk EPA Enforcement Record #7 🔒 Exact Street & Parcel Redacted • LEXINGTON, OH (ZIP 44904 Sector) HIGH (64/100) Significant Violation (11 qtrs NC) 🔒 11 Qtrs Non-Compliance • Unlock →
🔒 Locked Regulated EPA Enforcement Record #8 🔒 Exact Street & Parcel Redacted • MANSFIELD, OH (ZIP 44903 Sector) MODERATE (60/100) Violation Identified (12 qtrs NC) 🔒 12 Qtrs Non-Compliance • Unlock →
OHIOHEALTH MANSFIELD HOSPITAL (0370010004) FREE PREVIEW (LOW RISK) 335 GLESSNER AVENUE, MANSFIELD, OH 44903 LOW (20/100) No Violation Identified (0 qtrs NC) $0
MUSICK S SERVICE STATION MAINT FREE PREVIEW (LOW RISK) 324 LEWIS RD, MANSFIELD, OH 44903 LOW (16/100) No Violation Identified (0 qtrs NC) $0
SHILOH CORP FREE PREVIEW (LOW RISK) 402 9TH AVE, MANSFIELD, OH 44905 LOW (16/100) No Violation Identified (0 qtrs NC) $0
TENNECO AUTOMOTIVE FREE PREVIEW (LOW RISK) 30 W LONGVIEW AVE, MANSFIELD, OH 44903 LOW (15/100) No Violation Identified (0 qtrs NC) $0
🔒 + 742 Additional Regulated & Enforcement Records in Richland County Redacted from Public Directory Run 1-Mile Property Scan to Unlock All Records →

Frequently Asked Questions — Richland County, Ohio Environmental Due Diligence

How many EPA-regulated environmental sites are in Richland County, Ohio?

Public U.S. EPA records track 754 regulated facilities in Richland County, Ohio (ranking #14 of 141 jurisdictions in OH). Of those, 16 (2.1%) are classified in the High-Risk tier due to significant enforcement or chemical release history, and 53 (7.0%) have active non-compliance quarters.

Which ZIP codes and cities in Richland County have the highest regulated facility density?

Within Richland County, the highest concentrations of EPA-tracked facilities are located in ZIP 44903 (Mansfield, 132 sites), ZIP 44905 (Mansfield, 108 sites), ZIP 44902 (Mansfield, 79 sites), spanning municipal corridors including Mansfield (486 sites), Bellville (32 sites), Ontario (26 sites).

How many hazardous waste (RCRA) and toxic release (TRI) handlers operate in Richland County?

Across Richland County, 469 facilities (62.2% 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 Richland County, OH?

Geologic indoor air screening places Richland 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 Richland County, OH?

Federal records track 192 Safe Drinking Water (SDWIS) facilities, 60 Clean Water Act NPDES permits, and 51 impaired water dischargers in Richland County, alongside 1 historical FEMA federal disaster declarations (1 flood/storm events).

Does Richland County, OH have expansive clay soil or foundation risk?

USDA regional soil engineering screening for Richland 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.

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