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

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

In Williams County, Ohio, public U.S. EPA records track 315 regulated facilities (#42 of 141 in Ohio), including 6 (1.9%) High-Risk sites and $1,100 in federal penalties. Countywide due diligence also covers 59 Safe Drinking Water (SDWIS) facilities, 38 Clean Water NPDES permits, 2 FEMA Federal Disaster Declarations (2 flood/storm), USDA Soil Foundation Shrink-Swell (MODERATE signal), and EPA Zone 1 — High Potential (> 4.0 pCi/L).

Total EPA Sites (#42/141)
315
High-Risk (1.9% vs 1.7% State)
6
Active Violators (7.9%)
25
Drinking & Clean Water
97
Federal Penalties
$1,100

Williams 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
2 County FEMA Declarations (2 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
59 SDWIS Systems • 38 NPDES Permits
🔒 38 Impaired Water (303d) & 39 Violation Dockets Locked
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☢️ 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

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

SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 03, 2026)
1. County Regulatory & Water Program Mix
RCRA Hazardous Waste Generators 201 (63.8%)
Clean Water (NPDES) & Drinking Water (SDWIS) 97 (30.8%)
Active EPA Non-Compliance Dockets 25 (7.9%)
High-Risk Enforcement Facilities 6 (1.9%)
2. FEMA NRI & USGS Hazard Index (1–10) Relatively Low (44.4/100)
🌊 Flood Exposure 3/10 • Low Hazard
🔥 Wildfire Hazard 1/10 • Very Low Hazard
☀️ Extreme Heat 1/10 • Very Low Hazard
🌪️ Severe Wind / Storm 5/10 • Moderate Hazard
🫨 USGS Earthquake 2/10 • Low Seismic Hazard
3. County vs. State & National Benchmark
Williams County High-Risk % 1.9%
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 Williams 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 • STRYKER, OH (ZIP 43557 Sector) HIGH (66/100) Significant Violation (12 qtrs NC) 🔒 12 Qtrs Non-Compliance • Unlock →
🔒 Locked High-Risk EPA Enforcement Record #2 🔒 Exact Street & Parcel Redacted • EDON, OH (ZIP 43518 Sector) HIGH (65/100) Significant Violation (12 qtrs NC) 🔒 12 Qtrs Non-Compliance • Unlock →
🔒 Locked Regulated EPA Enforcement Record #3 🔒 Exact Street & Parcel Redacted • MONTPELIER, OH (ZIP 43543 Sector) MODERATE (61/100) Violation Identified (2 qtrs NC) 🔒 Federal Penalty on File • Unlock →
🔒 Locked Regulated EPA Enforcement Record #4 🔒 Exact Street & Parcel Redacted • BRYAN, OH (ZIP 43506 Sector) MODERATE (50/100) Violation Identified (2 qtrs NC) 🔒 2 Qtrs Non-Compliance • Unlock →
🔒 Locked Regulated EPA Enforcement Record #5 🔒 Exact Street & Parcel Redacted • PIONEER, OH (ZIP 43554 Sector) MODERATE (45/100) Violation Identified (12 qtrs NC) 🔒 12 Qtrs Non-Compliance • Unlock →
🔒 Locked Regulated EPA Enforcement Record #6 🔒 Exact Street & Parcel Redacted • BRYAN, OH (ZIP 43506 Sector) MODERATE (44/100) Violation Identified (8 qtrs NC) 🔒 8 Qtrs Non-Compliance • Unlock →
🔒 Locked Regulated EPA Enforcement Record #7 🔒 Exact Street & Parcel Redacted • BRYAN, OH (ZIP 43506 Sector) MODERATE (44/100) Violation Identified (11 qtrs NC) 🔒 11 Qtrs Non-Compliance • Unlock →
🔒 Locked Regulated EPA Enforcement Record #8 🔒 Exact Street & Parcel Redacted • EDGERTON, OH (ZIP 43517 Sector) MODERATE (43/100) Violation Identified (11 qtrs NC) 🔒 11 Qtrs Non-Compliance • Unlock →
EMRO STATION 6323 FREE PREVIEW (LOW RISK) 603 E HIGH ST, BRYAN, OH 43506 LOW (16/100) No Violation Identified (0 qtrs NC) $0
MONTPELIER EXEMPTED VILLAGE SCHOOLS FREE PREVIEW (LOW RISK) 1015 EAST BROWN STREET, MONTPELIER, OH 43543 LOW (16/100) No Violation Identified (0 qtrs NC) $0
MELS COLLISION FREE PREVIEW (LOW RISK) 1215 BUFFALO RD, BRYAN, OH 43506 LOW (16/100) No Violation Identified (0 qtrs NC) $0
RAYMONDS TOOL AND GAUGE FREE PREVIEW (LOW RISK) 06-726 RD N-30, MONTPELIER, OH 43543 LOW (15/100) No Violation Identified (0 qtrs NC) $0
🔒 + 303 Additional Regulated & Enforcement Records in Williams County Redacted from Public Directory Run 1-Mile Property Scan to Unlock All Records →

Frequently Asked Questions — Williams County, Ohio Environmental Due Diligence

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

Public U.S. EPA records track 315 regulated facilities in Williams County, Ohio (ranking #42 of 141 jurisdictions in OH). Of those, 6 (1.9%) are classified in the High-Risk tier due to significant enforcement or chemical release history, and 25 (7.9%) have active non-compliance quarters.

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

Within Williams County, the highest concentrations of EPA-tracked facilities are located in ZIP 43512 (Montpelier, 165 sites), ZIP 43506 (Bryan, 102 sites), ZIP 43543 (Montpelier, 72 sites), spanning municipal corridors including Bryan (102 sites), Montpelier (62 sites), Pioneer (27 sites).

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

Across Williams County, 201 facilities (63.8% 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 Williams County, OH?

Geologic indoor air screening places Williams 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 Williams County, OH?

Federal records track 59 Safe Drinking Water (SDWIS) facilities, 38 Clean Water Act NPDES permits, and 38 impaired water dischargers in Williams County, alongside 2 historical FEMA federal disaster declarations (2 flood/storm events).

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

USDA regional soil engineering screening for Williams 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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