Williamstown, Ohio — Property Hazard, Flood Zone, Soil, Water & Market Guide
What Are the Major Property, Flood, Soil & Environmental Risks in Williamstown, OH?
Public U.S. EPA records track 1 regulated facilities in Williamstown, Ohio (Hancock County), including 0 High-Risk sites (0.0%) and 0 active violators. In addition to industrial waste, Williamstown properties are screened for Tap Water & Watershed Permits (1 systems), USDA Soil Foundation Shrink-Swell (HIGH signal), 1 County FEMA Disaster Declarations, and EPA Zone 1 — High Potential (> 4.0 pCi/L).
Williamstown, OH 6-in-1 Flood, Soil Foundation, Tap Water & Radon Signals
🔒 Parcel-Level Soil LEP %, Water Table Depth & Flood Zone Require Street Address Scan📊 Williamstown, OH Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 05, 2026)ZIP Codes in Williamstown, OH
Highest-Scored EPA Regulated Facilities in Williamstown, OH
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 |
|---|---|---|---|---|
| ARROWHEAD LAKE CAMPGROUND-TREATMENT PLANT IMPROPERLY CREATED FREE PREVIEW (LOW RISK) | 21876 US-68, WILLIAMSTOWN, OH 45897 | LOW (10/100) | No Violation Identified (0 qtrs NC) | $0 |
Frequently Asked Questions — Williamstown, Ohio Environmental Risk & Radon
How many EPA-regulated facilities are in Williamstown, OH?
U.S. EPA records track 1 regulated facilities in Williamstown, Ohio, including 0 high-risk sites (0.0%), 0 active violators (0.0%), and 0 RCRA hazardous waste handlers (0.0%).
Which ZIP codes in Williamstown, OH have the most EPA-tracked sites?
Within Williamstown, regulated facilities are primarily concentrated across ZIP 45897 (1 sites).
How can I check a specific house or commercial property in Williamstown, OH?
Enter the exact street address in Williamstown into the FullPropertyReport radius scanner to screen all EPA ECHO, FRS, RCRA, TRI, USDA soil foundation shrink-swell, drinking water (SDWIS), FEMA flood zone, and county radon records within 0.5 to 3.0 miles.
Is tap water safe in Williamstown, OH and how many EPA water permits exist?
In Williamstown, OH, federal registries track 1 Safe Drinking Water (SDWIS) facilities, 0 Clean Water Act NPDES permits, and 0 impaired water body dischargers.
What is the soil foundation risk and FEMA flood disaster history in Williamstown, OH?
USDA regional soil screening for Williamstown indicates a HIGH shrink-swell foundation signal, and Hancock County has recorded 1 federal FEMA disaster declarations (1 flood/severe storm declarations). Run an address scan to unlock exact parcel soil LEP %, water table depth, and flood zone.