The Oregon DEQToo.org site will be offline from 10 p.m. PST on Friday, Nov. 14, through 8 a.m. PST on Monday, Nov.17, 2025 to perform site maintenance.

DEQ Too certificates and the ability to check results may not be available until site maintenance is completed.

We apologize for any inconvenience. Please contact DEQ with any questions at DEQTooInfo@deq.oregon.gov.

This information will help DEQ and Oregonians to find and contact your business
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