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Chemical Waste Management of the Northwest (CWM)

Summary Information
(last updated on: 3/8/2022 4:23:18 PM)
Chemical Waste Management of the Northwest (CWM) is a hazardous waste treatment, storage and disposal facility, which includes a hazardous waste Subtitle C landfill near Arlington, Oregon. The company is owned by Waste Management, which also owns the adjacent Columbia Ridge Subtitle D solid waste landfill.

The facility currently has a hazardous waste permit and an air quality permit to treat, store and dispose of hazardous waste.

DEQ and EPA provide oversight of the facility to ensure protection of human health and the environment. Based on this oversight, DEQ has found the facility is meeting the requirements of its hazardous waste and air quality permits.

DEQ has received applications from CWM for renewal of its hazardous waste and air quality permits. The exisiting permits remain in effect while DEQ drafts renewal permits. Once drafted, there will be an opportunity for public comment on the draft permits.

Learn more about CWM on DEQ's website: https://ordeq.org/cwm

General Site Information
Site: Chemical Waste Management of the Northwest (CWM) (ECSI Site ID: 6321) CERCLIS (EPA) Id089452353
Project Manager: Spencer Bohaboy Investigative Status:
PM Phone: (541) 298-7255 x240 NPL(National Priority Listing):No
Address: 18177 Cedar Springs Lane Is this site an Orphan?No
Arlington, 97812 Is this site a brownfield?No
County: GILLIAM Action Underway or Needed: SITE EVALUATION
Region: Eastern Region Click for more details ...  
Site Documents
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File NameCategory File Size MB Document Date Upload Date
6321-CWM-MOD-127-DEQ-approval-12-16-2021.pdf Correspondence 0.0767 12/16/2021 12/21/2021
CWM Permit Rev 30 20060821.pdf Miscellaneous 1.4531 8/21/2006 2/24/2021
Standalone 1 Waste Analysis Plan Rev. 11 20210119.pdf Miscellaneous 7.4386 1/19/2021 2/24/2021
Standalone 2 Security Procedures, Hazard Prevention, Training Plan Rev. 4 20141202.pdf Miscellaneous 0.5290 12/2/2014 2/24/2021
Standalone 3 Inspection Plan 20190208.pdf Miscellaneous 0.9803 2/8/2019 2/24/2021
Standalone 4 Contingency Plan Rev.11 20140609.pdf Miscellaneous 0.6654 6/9/2014 2/24/2021
Standalone 5 Closure Post Closure 20190208.pdf Miscellaneous 1.1478 2/8/2019 2/24/2021
Standalone 7 Groundwater Monitoring Plan Rev. 10 20180625.pdf Miscellaneous 14.4350 6/25/2018 2/24/2021
Standalone 8 Bulk Liquid Storage Treatment Plan 20160401.pdf Miscellaneous 24.3478 4/1/2016 2/24/2021
Standalone 9 Container Storage Rev. 5 20141028.pdf Miscellaneous 10.1976 10/28/2014 2/24/2021
Standalone 10 Stabilization Rev. 5 20141028 .pdf Miscellaneous 2.9063 10/28/2014 2/24/2021
Standalone 11 Debris Treatment Plan Rev 3 20141028.pdf Miscellaneous 0.2677 10/28/2014 2/24/2021
Standalone 12 Containment Buildings Design - Operations Plan Rev 5 20141028.pdf Miscellaneous 2.5760 10/28/2014 2/24/2021
Standalone 13 Surface Impoundments Design - Operations Plan Rev 5 20141028.pdf Miscellaneous 4.9072 10/28/2014 2/24/2021
Standalone 14 Landfill Design and Operations Plan Rev. 8 20151210.pdf Miscellaneous 3.3621 12/10/2015 2/24/2021
Standalone 15 Response Action Plan Rev. 2 20151210.pdf Miscellaneous 0.6991 12/10/2015 2/24/2021
Standalone 16 Construction Quality Assurance Plan M098 Rev. 3 20151218.pdf Miscellaneous 1.2024 12/18/2015 2/24/2021
Standalone 17 Alternative Final Cover Design Report 20200708.pdf Miscellaneous 13.1761 7/8/2020 2/24/2021
Standalone 18 Landfill Design Drawings Rev. 2 20151210.pdf Miscellaneous 8.4097 12/10/2015 2/24/2021
Standalone 19 Bioremediation Rev 8 20141028.pdf Miscellaneous 6.8145 10/28/2014 2/24/2021
Standalone 20 PCB Operations Plan Rev. 3 20141028.pdf Miscellaneous 4.7766 10/28/2014 2/24/2021
Standalone 21 Waste Pile Rev. 2 20141202.pdf Miscellaneous 0.1893 12/2/2014 2/24/2021
Standalone 22 New Organic Recovery 2 20190208.pdf Miscellaneous 1.1159 2/8/2019 2/24/2021
Standalone 23 WWTP2 Liquid Storage Treatment Plan 20190208.pdf Miscellaneous 13.2144 2/8/2019 2/24/2021
Mod127-CWM Permit Lang Redline.pdf Miscellaneous 2.1757 9/28/2021 9/28/2021
CWM Mod-127 Response to Comments.pdf Miscellaneous 0.6372 12/21/2021 12/21/2021
Standalone 5 Closure Post Closure 20190208.pdf Miscellaneous 1.5653 12/21/2021 12/21/2021
Standalone 21 waste piles Rev 3 20141202.pdf Miscellaneous 0.3064 12/21/2021 12/21/2021
Standalone-9-Container-Storage-Rev-6-2014028-part1.pdf Miscellaneous 14.3347 12/21/2021 12/21/2021
Standalone-9-Container-Storage-Rev-6-2014028-part2.pdf Miscellaneous 19.4393 12/21/2021 12/21/2021
CWM Permit Rev 31 20060821.pdf Miscellaneous 2.2676 12/21/2021 12/23/2021
Standalone 3 Inspection Plan 20190208.pdf Miscellaneous 1.9008 12/21/2021 12/23/2021
CWM-Renewal-Notification-to-DEQ.pdf Miscellaneous 0.0274 3/10/2022 3/11/2022
CWM Haz Waste Renewal Part A Submittal May 2022.pdf Miscellaneous 17.9067 5/2/2022 5/9/2022
CWM MOD 127 Staff Report.pdf Reports 0.2701 12/21/2021 12/21/2021
Site Links
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LinkDescription
Hazardous Waste Permitting Procedure
Chemical Waste Management (CWM) Project External projects website
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Department of Environmental Quality
700 NE Multnomah Street, Suite 600 Portland, OR 97232
Hours: Mon-Fri, 8 a.m.-5 p.m

Email: DEQInfo@deq.state.or.us | Phone: 503-229-5696 | Fax: 503-229-6124

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