Umatilla County, Oregon — Property Hazard, Flood Zone, Soil, Water & EPA Guide
What Are the Flood, Soil Foundation & EPA Risks in Umatilla County, OR?
In Umatilla County, Oregon, public U.S. EPA records track 94 regulated facilities (#37 of 66 in Oregon), including 1 (1.1%) High-Risk sites and $10,200 in federal penalties. Countywide due diligence also covers 2 Safe Drinking Water (SDWIS) facilities, 89 Clean Water NPDES permits, 4 FEMA Federal Disaster Declarations (0 flood/storm), USDA Soil Foundation Shrink-Swell (MODERATE signal), and EPA Zone 2 — Moderate Potential (2.0 – 4.0 pCi/L).
Umatilla 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📊 Umatilla County, OR Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 05, 2026)Municipalities in Umatilla County
ZIP Codes in Umatilla County
Top EPA Regulated Facilities in Umatilla 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 |
|---|---|---|---|---|
| 🔒 Locked High-Risk EPA Enforcement Record #1 | 🔒 Exact Street & Parcel Redacted • WESTON, OR (ZIP 97886 Sector) | HIGH (64/100) | Significant Violation (1 qtrs NC) | 🔒 1 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • MILTON-FREEWATER, OR (ZIP 97862 Sector) | MODERATE (58/100) | Violation Identified (10 qtrs NC) | 🔒 Federal Penalty on File • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • UMATILLA, OR (ZIP 97882 Sector) | MODERATE (30/100) | Resolved / Historical Non-Compliance (1 qtrs NC) | 🔒 Federal Penalty on File • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • HERMISTON, OR (ZIP 97838 Sector) | MODERATE (30/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • WESTON, OR (ZIP 97886 Sector) | MODERATE (30/100) | Resolved / Historical Non-Compliance (4 qtrs NC) | 🔒 4 Qtrs Non-Compliance • Unlock → |
| UMATILLA BASIN PROJECT AND UMATILLA PROJECT FREE PREVIEW (LOW RISK) | MOBILE SOURCE - ER, PENDLETON, OR 97801 | LOW (18/100) | No Violation Identified (0 qtrs NC) | $0 |
| MALHEUR COUNTY VECTOR CONTROL DISTRICT FREE PREVIEW (LOW RISK) | MOBILE SOURCE - ER, PENDLETON, OR 97801 | LOW (18/100) | No Violation Identified (0 qtrs NC) | $0 |
| POE VALLEY VECTOR CONTROL DISTRICT FREE PREVIEW (LOW RISK) | MOBILE SOURCE - ER, PENDLETON, OR 97801 | LOW (18/100) | No Violation Identified (0 qtrs NC) | $0 |
| CAIRNSPRING MILLS BLUE MOUNTAIN FREE PREVIEW (LOW RISK) | 46721 TOKTI RD., PENDLETON, OR 97801 | LOW (18/100) | No Violation Identified (0 qtrs NC) | $0 |
| 🔒 Locked Regulated EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • PENDLETON, OR (ZIP 97801 Sector) | LOW (18/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • PENDLETON, OR (ZIP 97801 Sector) | LOW (18/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • PENDLETON, OR (ZIP 97801 Sector) | LOW (18/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
Frequently Asked Questions — Umatilla County, Oregon Environmental Due Diligence
How many EPA-regulated environmental sites are in Umatilla County County, Oregon?
Public U.S. EPA records track 94 regulated facilities in Umatilla County County, Oregon (ranking #37 of 66 jurisdictions in OR). Of those, 1 (1.1%) are classified in the High-Risk tier due to significant enforcement or chemical release history, and 2 (2.1%) have active non-compliance quarters.
Which ZIP codes and cities in Umatilla County County have the highest regulated facility density?
Within Umatilla County County, the highest concentrations of EPA-tracked facilities are located in ZIP 97801 (Pendleton, 191 sites), ZIP 97868 (Pilot Rock, 9 sites), ZIP 73265 (Pendleton, 1 sites), spanning municipal corridors including Pendleton (194 sites), Pilot Rock (9 sites), Dale (3 sites).
How many hazardous waste (RCRA) and toxic release (TRI) handlers operate in Umatilla County County?
Across Umatilla County County, 1 facilities (1.1% 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 Umatilla County County, OR?
Geologic indoor air screening places Umatilla 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 Umatilla County County, OR?
Federal records track 2 Safe Drinking Water (SDWIS) facilities, 89 Clean Water Act NPDES permits, and 61 impaired water dischargers in Umatilla County County, alongside 4 historical FEMA federal disaster declarations (0 flood/storm events).
Does Umatilla County, OR have expansive clay soil or foundation risk?
USDA regional soil engineering screening for Umatilla County indicates a MODERATE shrink-swell risk signal and steel pipe corrosivity rated Moderate. Run a street address scan to unlock the exact parcel soil series, LEP %, and water table depth.