Yamhill County, Oregon — Property Hazard, Flood Zone, Soil, Water & EPA Guide
What Are the Flood, Soil Foundation & EPA Risks in Yamhill County, OR?
In Yamhill County, Oregon, public U.S. EPA records track 118 regulated facilities (#35 of 66 in Oregon), including 3 (2.5%) High-Risk sites and $1,200 in federal penalties. Countywide due diligence also covers 4 Safe Drinking Water (SDWIS) facilities, 111 Clean Water NPDES permits, 3 FEMA Federal Disaster Declarations (3 flood/storm), USDA Soil Foundation Shrink-Swell (MODERATE signal), and EPA Zone 1 — High Potential (> 4.0 pCi/L).
Yamhill 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📊 Yamhill County, OR Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 03, 2026)Municipalities in Yamhill County
ZIP Codes in Yamhill County
Top EPA Regulated Facilities in Yamhill 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 • MCMINNVILLE, OR (ZIP 97128 Sector) | HIGH (64/100) | Significant Violation (1 qtrs NC) | 🔒 1 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • MCMINNVILLE, OR (ZIP 97128 Sector) | HIGH (64/100) | Significant Violation (1 qtrs NC) | 🔒 1 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • NEWBERG, OR (ZIP 97132 Sector) | HIGH (64/100) | Significant Violation (1 qtrs NC) | 🔒 1 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • MCMINNVILLE, OR (ZIP 97128 Sector) | HIGH (64/100) | Significant Violation (1 qtrs NC) | 🔒 1 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • MCMINNVILLE, OR (ZIP 97128 Sector) | HIGH (64/100) | Significant Violation (1 qtrs NC) | 🔒 1 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • SHERIDAN, OR (ZIP 97378 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 • MCMINNVILLE, OR (ZIP 97128 Sector) | MODERATE (30/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • DAYTON, OR (ZIP 97114 Sector) | MODERATE (30/100) | Resolved / Historical Non-Compliance (4 qtrs NC) | 🔒 4 Qtrs Non-Compliance • Unlock → |
| KING'S LANDING FREE PREVIEW (LOW RISK) | R3207 700 AND 800, NEWBERG, OR 97132 | LOW (18/100) | Unknown (0 qtrs NC) | $0 |
| FRIENDS PARK FREE PREVIEW (LOW RISK) | TERMINUS OF KENNEDY DR., NEWBERG, OR 97132 | LOW (18/100) | Unknown (0 qtrs NC) | $0 |
| PAGE LANDING FREE PREVIEW (LOW RISK) | N&S OF E. COLUMBIA; EAST OF N. COLLEGE, NEWBERG, OR 97132 | LOW (18/100) | Unknown (0 qtrs NC) | $0 |
| SWEENEY SUBDIVISION FREE PREVIEW (LOW RISK) | FERRY STREET BETWEEN SWEENEY STREET AND, DAYTON, OR 97114 | LOW (18/100) | Unknown (0 qtrs NC) | $0 |
Frequently Asked Questions — Yamhill County, Oregon Environmental Due Diligence
How many EPA-regulated environmental sites are in Yamhill County County, Oregon?
Public U.S. EPA records track 118 regulated facilities in Yamhill County County, Oregon (ranking #35 of 66 jurisdictions in OR). Of those, 3 (2.5%) are classified in the High-Risk tier due to significant enforcement or chemical release history, and 5 (4.2%) have active non-compliance quarters.
Which ZIP codes and cities in Yamhill County County have the highest regulated facility density?
Within Yamhill County County, the highest concentrations of EPA-tracked facilities are located in ZIP 97132 (Newberg, 195 sites), spanning municipal corridors including Newberg (196 sites).
How many hazardous waste (RCRA) and toxic release (TRI) handlers operate in Yamhill County County?
Across Yamhill County County, 1 facilities (0.8% 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 Yamhill County County, OR?
Geologic indoor air screening places Yamhill County County in EPA Zone 1 — High Potential (> 4.0 pCi/L). Counties in EPA Radon Zone 1 have a predicted average indoor radon screening level greater than 4.0 pCi/L (the EPA action threshold). Short-term or continuous indoor radon testing is strongly recommended prior to closing.
How many drinking water systems (SDWIS), impaired water bodies, and FEMA flood disasters are recorded in Yamhill County County, OR?
Federal records track 4 Safe Drinking Water (SDWIS) facilities, 111 Clean Water Act NPDES permits, and 87 impaired water dischargers in Yamhill County County, alongside 3 historical FEMA federal disaster declarations (3 flood/storm events).
Does Yamhill County, OR have expansive clay soil or foundation risk?
USDA regional soil engineering screening for Yamhill 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.