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Total Maximum Daily Loads, Division 42

Adopted rule

Administrative Order No.: DEQ-3-2022
Filed and effective: Feb. 3, 2022
See Oregon Bulletin, March 2022

The Environmental Quality Commission adopted rule amendments to allow TMDLs to be adopted by rule, in addition to issue by order, consistent to what is currently in ORS 468B.110. This proposed rulemaking will also include minor changes to update the rule language.

For information about TMDLs, please visit DEQ's Total Maximum Daily Load pages.

Advisory committee

DEQ convened an advisory committee to review the fiscal impacts related to the proposed rules. In convening this committee, DEQ appointed members that reflected the range of entities that are both directly and indirectly affected by proposed changes to the rules.

​Meeting 1: Sept. 2, 2021

Online meeting only

Advisory committee meetings are open to the public. The public may attend the meeting, but the committee has discretion whether to allow the public to participate in the meeting. The public will be able to comment on the proposed rule changes during the public notice and comment period later in the rulemaking. DEQ publishes meeting notices on the state Events Calendar. Please notify DEQ of any special physical or language accommodations or if you need information in large print, Braille or another format. To make these arrangements, contact DEQ, Portland, at 503-229-5696 or call toll-free in Oregon at 1-800-452-4011, ext. 5696; fax to 503-229-6762; or email Hearing impaired persons may call 711.

Public involvement

The comment period for this rulemaking closed at 4 p.m. on Nov. 12, 2021.

For more information, see the Notice of Proposed Rulemaking.
Includes the notice and proposed rules

Public hearing

DEQ held one public hearing on Oct. 28, 2021.

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EQC action

DEQ provided a brief presentation about the proposed changes to the EQC on July 22, 2021.

The Environmental Quality Commission adopted these rules at its meeting on Feb. 3, 2022.