Yamhill County, OR
The federal environmental record for Yamhill County (population 108,644): what is on file, where it is, and what remains open. Sources and retrieval dates are on the methodology page.
1
Superfund NPL sites
5
federal cleanup sites
1
PFAS-detecting water systems
12
TRI facilities
17
open tank releases
Superfund NPL sites
| Site | City | Status | Listed |
|---|---|---|---|
| Taylor Lumber and Treating | Sheridan | on the NPL | 06/14/2001 |
Drinking water: PFAS testing
Public water systems serving Yamhill with at least one PFAS detection under UCMR5. The federal limit for PFOA and PFOS is 4 ng/L; EPA proposed in May 2026 to rescind the limits for the other compounds, which are shown for information.
| System | Highest results | Reading |
|---|---|---|
| DUNDEE, CITY OF OR4100262 | PFOS: 5.4 ng/L | above final limit |
On a system with detections? Testing and treatment options
Facilities reporting toxic releases (2024)
12 facilities in Yamhill filed TRI reports for 2024, totalling 1.9M lb released.
| Facility | City | Top chemicals | Total released |
|---|---|---|---|
| CASCADE STEEL ROLLING MILLS INC | MCMINNVILLE | Manganese And Manganese Compounds, Zinc compounds | 1.9M lb |
| M&W FIBERGLASS INC | DUNDEE | Styrene | 7k lb |
| GLACIER NORTHWEST INC. - NEWBERG READY MIX | NEWBERG | Nitrate compounds (water dissociable; reportable only when in aqueous solution), Lead | 340 lb |
| TMS INTERNATIONAL LLC | MCMINNVILLE | Manganese And Manganese Compounds, Lead And Lead Compounds | 28 lb |
| ZIEMAN MANUFACTURING-MCMINNVILLE PLANT 107 | MCMINNVILLE | Chromium | 21 lb |
| STELLA-JONES CORP | SHERIDAN | Polycyclic aromatic compounds | 3 lb |
| FEDERAL CORRECTIONAL INSTITUTION SHERIDAN | SHERIDAN | Lead | 1 lb |
| PPM TECHNOLOGIES HOLDINGS LLC | NEWBERG | - | 0 lb |
| 3D PLASTICS INC. | NEWBERG | - | 0 lb |
| A-DEC INC. | NEWBERG | - | 0 lb |
| KNIFE RIVER DAYTON ASPHALT | DAYTON | Polycyclic aromatic compounds | 0 lb |
| MCMINNVILLE CONCRETE | MCMINNVILLE | Lead And Lead Compounds | 0 lb |
Underground fuel tanks
EPA's UST Finder records 260 tank facilities in Yamhill: 96 tanks in service and 591 closed. 233 fuel releases are on record, of which 17 remain open. Open releases are cleanups that have not reached "no further action".
Radon
EPA maps Yamhill as Zone 2, moderate predicted indoor radon (2 to 4 pCi/L average). Radon and air quality are covered in depth on lung.com.
The record for one specific address
County figures blur what matters: distance. The Address Environmental Report runs these same federal datasets against one address and reports every site, tank, polluter and water result around it, with distances, in about a minute.
Get the report - $39All federal cleanup sites on file
The wider Superfund enterprise inventory (SEMS) for Yamhill, including sites assessed but never listed. Presence here records that EPA had reason to look, not a finding of danger.
- FORMER WESTROCK / SMURFIT MILLNEWBERG
- NW GAZEBOSHERIDAN
- PACIFIC WOOD PRESERVING OF OREGONSHERIDAN
- SMURFIT NEWSPRINT CORP - NEWBERGNEWBERG
- WHITESON LDFLMCMINNVILLE