#1 US Army Umatilla Chemical Depot
Serves this area from OR
Hazardous Waste Disposal Companies in Morrow County, OR
The top-ranked hazardous waste companies serving Morrow County, OR are US Army Umatilla Chemical Depot, Chemical Waste Management Of The NW and Palouse River & Coulee City Railroad - Condon. We list 9 hazardous waste companies serving Morrow County, OR. 9 of the providers shown match an active record from U.S. EPA, checked on the date shown. Rankings follow our published methodology; sponsored placements never change rank.
Hazardous Waste Disposal Companies serving Morrow County, OR. 9 providers, 9 of the top 9 verified against federal or state records. Registry records checked on 2026-11-04.
Top 9 ranked hazardous waste companies for Morrow County
#2 Chemical Waste Management Of The NW
Serves this area from ORCall (541) 454-3220 · Website#3 Palouse River & Coulee City Railroad - Condon
Serves this area from OR#4 Riverside Transport Service
Serves this area from Arlington, OR (35 mi)#5 City Of Arlington
Serves this area from Arlington, OR (35 mi)#6 Sheldon Petroleum Service
Serves this area from Pendleton, OR (42 mi)#7 Paragon Trucking LLC
Serves this area from WA#8 US Dept Of Energy Hanford Facility
Serves this area from Richland, WA (61 mi)#9 Konen Rock Products Inc
Serves this area from OR
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Frequently asked questions
How many hazardous waste companies serve Morrow County?
We list 9 hazardous waste companies serving Morrow County, OR: 0 based there and 9 serving it from nearby. 9 of the top 9 match an active federal or state record, checked on 2026-11-04.
Which hazardous waste companies serve Morrow County?
The top-ranked hazardous waste companies serving Morrow County, OR are US Army Umatilla Chemical Depot, Chemical Waste Management Of The NW, Palouse River & Coulee City Railroad - Condon, Riverside Transport Service and City Of Arlington. The full ranked list, with the official records each provider matched, is on this page.
Which hazardous waste companies serving Morrow County are verified against official records?
9 of the top 9 match an active official record: US Army Umatilla Chemical Depot (U.S. EPA), Chemical Waste Management Of The NW (U.S. EPA), Palouse River & Coulee City Railroad - Condon (U.S. EPA), Riverside Transport Service (U.S. EPA) and City Of Arlington (U.S. EPA), and 4 more on this page. Each badge links to the official record it matched.
How are these companies ranked?
By our published methodology: verified registrations, documented capabilities, years registered and responsiveness. Sponsored placements are shown separately and never affect rank.
What does "Verified" mean on this page?
"Verified" means we matched the provider to an active official record on the date shown; each badge links to that record. The absence of a badge only means we have not verified that item.
What is the difference between a transporter and a TSDF?
A transporter moves hazardous waste under an EPA ID; a TSDF is a permitted facility that treats, stores or disposes of it. Many providers do both.
"Verified" means we matched the provider to an active official record on the date shown. The absence of a badge only means we have not verified that item. How we rank and verify. Page updated .
Communities served
Boardman, Irrigon, Heppner, Ione, Lexington