Jefferson County, Oregon — Property Hazard, Flood Zone, Soil, Water & EPA Guide
What Are the Flood, Soil Foundation & EPA Risks in Jefferson County, OR?
In Jefferson County, Oregon, public U.S. EPA records track 139 regulated facilities (#30 of 66 in Oregon), including 6 (4.3%) High-Risk sites and $1,466 in federal penalties. Countywide due diligence also covers 38 Safe Drinking Water (SDWIS) facilities, 42 Clean Water NPDES permits, 5 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).
Jefferson 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📊 Jefferson County, OR Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 03, 2026)Municipalities in Jefferson County
ZIP Codes in Jefferson County
Top EPA Regulated Facilities in Jefferson 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 • MADRAS, OR (ZIP 97741 Sector) | HIGH (64/100) | Significant Violation (11 qtrs NC) | 🔒 11 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • WARM SPRINGS, OR (ZIP 97761 Sector) | HIGH (64/100) | Significant Violation (4 qtrs NC) | 🔒 4 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • MADRAS, OR (ZIP 97741 Sector) | MODERATE (52/100) | Violation (4 qtrs NC) | 🔒 4 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • MADRAS, OR (ZIP 97741 Sector) | MODERATE (34/100) | Violation Identified (1 qtrs NC) | 🔒 1 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • MADRAS, OR (ZIP 97741 Sector) | MODERATE (33/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • WARM SPRINGS, OR (ZIP 97761 Sector) | MODERATE (30/100) | No Violation Identified (0 qtrs NC) | 🔒 Federal Penalty on File • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • , OR (ZIP Sector) | MODERATE (30/100) | Violation Identified (11 qtrs NC) | 🔒 11 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • TERREBONNE, OR (ZIP 97760 Sector) | MODERATE (30/100) | Resolved / Historical Non-Compliance (1 qtrs NC) | 🔒 1 Qtrs Non-Compliance • Unlock → |
| MID COLUMBIA LUMBER FREE PREVIEW (LOW RISK) | 710 C ST, CULVER, OR 97734 | LOW (19/100) | No Violation Identified (0 qtrs NC) | $0 |
| CULVER HIGH SCHOOL FREE PREVIEW (LOW RISK) | 5TH & E ST, CULVER, OR 97734 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| ODOT HWY DIV MADRAS FREE PREVIEW (LOW RISK) | MP 91 HWY 97, MADRAS, OR 97741 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| SANDY'S AUTO REPAIR FREE PREVIEW (LOW RISK) | 1685 NE CHERRY LANE, MADRAS, OR 97741 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
Frequently Asked Questions — Jefferson County, Oregon Environmental Due Diligence
How many EPA-regulated environmental sites are in Jefferson County, Oregon?
Public U.S. EPA records track 139 regulated facilities in Jefferson County, Oregon (ranking #30 of 66 jurisdictions in OR). Of those, 6 (4.3%) are classified in the High-Risk tier due to significant enforcement or chemical release history, and 8 (5.8%) have active non-compliance quarters.
Which ZIP codes and cities in Jefferson County have the highest regulated facility density?
Within Jefferson County, the highest concentrations of EPA-tracked facilities are located in ZIP 97741 (Madras, 100 sites), ZIP 97760 (Terrebonne, 14 sites), ZIP 97761 (Warm Springs, 13 sites), spanning municipal corridors including Madras (97 sites), Warm Springs (13 sites), Terrebonne (12 sites).
How many hazardous waste (RCRA) and toxic release (TRI) handlers operate in Jefferson County?
Across Jefferson County, 65 facilities (46.8% 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 Jefferson County, OR?
Geologic indoor air screening places Jefferson 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 Jefferson County, OR?
Federal records track 38 Safe Drinking Water (SDWIS) facilities, 42 Clean Water Act NPDES permits, and 17 impaired water dischargers in Jefferson County, alongside 5 historical FEMA federal disaster declarations (0 flood/storm events).
Does Jefferson County, OR have expansive clay soil or foundation risk?
USDA regional soil engineering screening for Jefferson 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.