Proposed Rules and Regulations

The Wyoming Environmental Quality Council (EQC) will consider proposed revisions to Wyoming Department of Environmental Quality (WDEQ) Rules of Practice and Procedure at a public hearing to be held on January 19, 2017 in Room 171, the Elk Room, of the Game and Fish Department, 5400 Bishop Boulevard, Cheyenne, Wyoming, commencing at 9:00 a.m. (MST).  Comments on the proposed revisions may be submitted through December 23, 2016.  Written comments should be sent to the Wyoming Department of Environmental Quality, 200 W. 17th St., Cheyenne, Wyoming 82002 or faxed to (307) 635-1784.  Electronic comments may only be submitted through and accepted by WDEQ comment portal provided at:  The WDEQ will file an Analysis of Comments with the EQC prior to the January 19, 2017 public hearing.  Additional information is posted on the EQC website at under the Docket #16-1101.

UPDATE: Due to a scheduling conflict, the location of the Environmental Quality Council hearing for Docket 16-1101 has been changed to Laramie County Community College, Pathfinder Building Room 108, 1400 East College Drive, Cheyenne, Wyoming.

The hearing will commence at 9:00 am, as previously stated.

If you have any questions on the status of any rulemakings, please contact Amber Potts at 307-777-2489 or


Wyoming Department of Environmental Quality has updated sections of the Wyoming Air Quality Standards and Regulations (WAQSR):  Chapters 2, 3, 4, 5, 6, 7, 8, and 11 have been revised through the statutory rulemaking process, and changes became state-effective on December 20, 2016.  Please discard existing contents of Chapter 2, Chapter 3, Chapter 4, Chapter 5, Chapter 6, Chapter 7, Chapter 8, and Chapter 11 and then insert the new editions of the chapters, which can be accessed electronically at

A more detailed explanation of the revisions can be accessed by clicking the files below.


File Date