Grant County, Oregon — Property Hazard, Flood Zone, Soil, Water & EPA Guide
What Are the Flood, Soil Foundation & EPA Risks in Grant County, OR?
In Grant County, Oregon, public U.S. EPA records track 7 regulated facilities (#67 of 67 in Oregon), including 0 (0.0%) High-Risk sites and $0 in federal penalties. Countywide due diligence also covers 0 Safe Drinking Water (SDWIS) facilities, 7 Clean Water NPDES permits, 4 FEMA Federal Disaster Declarations (0 flood/storm), USDA Soil Foundation Shrink-Swell (LOW signal), and EPA Zone 2 — Moderate Potential (2.0 – 4.0 pCi/L).
Grant County, OR 6-in-1 Flood, Soil Foundation, Tap Water & Radon Signals
🔒 Parcel-Level Soil LEP %, Water Table Depth & Flood Zone Require Street Address Scan📊 Grant County, OR Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 03, 2026)Municipalities in Grant County
ZIP Codes in Grant County
Top EPA Regulated Facilities in Grant County, OR
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 |
|---|---|---|---|---|
| THE RIDGE LOT 1 AND 2 FREE PREVIEW (LOW RISK) | 944 E MAIN ST, JOHN DAY, OR 97845 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| CAVENDER HABITAT ENHANCEMENTS FREE PREVIEW (LOW RISK) | SOUTH OF MONUMENT AT N. FORK JOHN DAY R., MONUMENT, OR 97864 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| ODOT - AUSTIN MAINTENANCE FACILITY FREE PREVIEW (LOW RISK) | 76030 HWY 26, BATES, OR 97914 | LOW (16/100) | No Violation Identified (0 qtrs NC) | $0 |
| UPPER JOHN DAY DIVERSION AND HABITAT PROJECT FREE PREVIEW (LOW RISK) | 52455 RIVER ESTATES LN., MT. VERNON, OR 97865 | LOW (16/100) | No Violation Identified (0 qtrs NC) | $0 |
| 🔒 Locked Regulated EPA Enforcement Record #1 | 🔒 Exact Street & Parcel Redacted • PRAIRIE CITY, OR (ZIP 97869 Sector) | LOW (12/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • SENECA, OR (ZIP 97873 Sector) | LOW (11/100) | Unknown (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • MT. VERNON, OR (ZIP 97865 Sector) | LOW (11/100) | Unknown (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
Frequently Asked Questions — Grant County, Oregon Environmental Due Diligence
How many EPA-regulated environmental sites are in Grant County County, Oregon?
Public U.S. EPA records track 7 regulated facilities in Grant County County, Oregon (ranking #67 of 67 jurisdictions in OR). Of those, 0 (0.0%) are classified in the High-Risk tier due to significant enforcement or chemical release history, and 0 (0.0%) have active non-compliance quarters.
Which ZIP codes and cities in Grant County County have the highest regulated facility density?
Within Grant County County, the highest concentrations of EPA-tracked facilities are located in ZIP 97864 (Monument, 3 sites), spanning municipal corridors including Bates (4 sites), Monument (3 sites).
How many hazardous waste (RCRA) and toxic release (TRI) handlers operate in Grant County County?
Across Grant County County, 0 facilities (0.0% 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 Grant County County, OR?
Geologic indoor air screening places Grant County County in EPA Zone 2 — Moderate Potential (2.0 – 4.0 pCi/L). Counties in EPA Radon Zone 2 have a predicted average indoor radon level between 2.0 and 4.0 pCi/L. Testing basement or ground-floor living areas is recommended during home inspection.
How many drinking water systems (SDWIS), impaired water bodies, and FEMA flood disasters are recorded in Grant County County, OR?
Federal records track 0 Safe Drinking Water (SDWIS) facilities, 7 Clean Water Act NPDES permits, and 4 impaired water dischargers in Grant County County, alongside 4 historical FEMA federal disaster declarations (0 flood/storm events).
Does Grant County, OR have expansive clay soil or foundation risk?
USDA regional soil engineering screening for Grant County indicates a LOW shrink-swell risk signal and steel pipe corrosivity rated Low. Run a street address scan to unlock the exact parcel soil series, LEP %, and water table depth.