Skip to main content

Oregon State Flag An official website of the State of Oregon »

Oregon.gov Homepage

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.

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.

envelopeGreen.gifSign up for email or text updates on this rulemaking via GovDelivery. 

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.