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 16 regulated facilities (#61 of 66 in Oregon), including 0 (0.0%) High-Risk sites and $0 in federal penalties. Countywide due diligence also covers 1 Safe Drinking Water (SDWIS) facilities, 12 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 05, 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 Regulated EPA Enforcement Record #1 | 🔒 Exact Street & Parcel Redacted • MADRAS, OR (ZIP 97741 Sector) | MODERATE (30/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • WARM SPRINGS, OR (ZIP 97761 Sector) | MODERATE (30/100) | Resolved / Historical Non-Compliance (2 qtrs NC) | 🔒 2 Qtrs Non-Compliance • Unlock → |
| ST. CHARLES MADRAS FREE PREVIEW (LOW RISK) | 470 NE A ST, MADRAS, OR 97741 | LOW (23/100) | No Violation Identified (0 qtrs NC) | $0 |
| KNIFE RIVER WEDDLE S&G FREE PREVIEW (LOW RISK) | JUST EAST OF 39304 HWY. 99 E, JEFFERSON, OR 97352 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| ELBE SOLAR CENTER FREE PREVIEW (LOW RISK) | 2401-B SOUTHWEST BELMONT LANE, MADRAS, OR 97741 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| ADAMS SOLAR FREE PREVIEW (LOW RISK) | 2250 NORTH ADAMS DRIVE, MADRAS, OR 97741 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| 🔒 Locked Regulated EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • MADRAS, OR (ZIP 97741 Sector) | LOW (12/100) | Unknown (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • KLAMATH FLLS, OR (ZIP 97760 Sector) | LOW (12/100) | Unknown (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • MADRAS, OR (ZIP 97741 Sector) | LOW (12/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • MADRAS, OR (ZIP 97741 Sector) | LOW (12/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • MADRAS, OR (ZIP 97741 Sector) | LOW (12/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • MADRAS, OR (ZIP 97741 Sector) | LOW (12/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
Frequently Asked Questions — Jefferson County, Oregon Environmental Due Diligence
How many EPA-regulated environmental sites are in Jefferson County County, Oregon?
Public U.S. EPA records track 16 regulated facilities in Jefferson County County, Oregon (ranking #61 of 66 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 Jefferson County County have the highest regulated facility density?
Within Jefferson County County, the highest concentrations of EPA-tracked facilities are located in local postal sectors, spanning municipal corridors including Klamath Flls (1 sites).
How many hazardous waste (RCRA) and toxic release (TRI) handlers operate in Jefferson County County?
Across Jefferson County County, 1 facilities (6.2% 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 County, OR?
Geologic indoor air screening places Jefferson 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 Jefferson County County, OR?
Federal records track 1 Safe Drinking Water (SDWIS) facilities, 12 Clean Water Act NPDES permits, and 4 impaired water dischargers in Jefferson County 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.