​Proposed rule

Rulemaking contact: Michele Martin, 503-880-7737

The Oregon Department of Environmental Quality is conducting a rulemaking 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 is convening an advisory committee to review the fiscal impacts related to the proposed rules. In convening this committee, DEQ has appointed members that reflect the range of entities that are both directly and indirectly affected by proposed changes to the rules.

Meeting 1: Sept. 2, 2021, 1 p.m. to 3:30 p.m.

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

DEQ is now accepting public comment on the proposed rules.

Submit comment 

The comment period closes on Nov. 12, 2021 at 4 p.m.

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

Public hearing

DEQ plans to hold one public hearing. Anyone can attend the hearing. 

The hearing is by webinar and teleconference only. 

Date: Oct. 28, 2021
Start time: 1 p.m.
Location: Meeting to be held remotely. 

  • Join online via Zoom 

  • Join by phone

    Call-in number: 1-253-215-8782 (toll-free in the U.S.)
    Meeting ID: 861 5958 3043
    Passcode: 952300

Instructions on how to join the webinar or teleconference

EQC action

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

DEQ plans to bring the proposed rules before the EQC for a decision at a future meeting.


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