Notice of Final Adoption of Water Quality Rules Chapter 28



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Notice of Final Adoption of Water Quality Rules Chapter 28

The Department of Environmental Quality has revised Water Quality Rules, Chapter 28, Standards for Issuing Permits for Commercial Oilfield Waste Disposal Facilities.

The revisions to Chapter 28 (1) clarify existing freeboard design requirements to ensure compliance with the Environmental Quality Act and to ease confusion at the application stage; (2) add notification requirements to the existing leak detection paragraph that correspond with certain leakage rates; (3) narrow the applicability of public notice requirements and clarify that the public participation requirements apply to new permits and specific permit modification situations; (4) update the list of referenced materials to include recently adopted standards; and (5) update cross-references, update formatting and style, and correct grammar and punctuation errors throughout the Chapter.

The Environmental Quality Council adopted the revised rules at a public hearing held on September 17, 2025, in the Eastern Wyoming College Board Room, 3200 West C Street, Torrington, WY 82240. The final rule was filed with the Wyoming Secretary of State on November 13, 2025.

Electronic copies of the rule are available from the Secretary of State at rules.wyo.gov, under “Current,” “Rules,” “Environmental Quality, Dept of (020),” “Water Quality,” and “Chapter 28.”

If you have any questions concerning this rule adoption, please contact Gina Thompson at 307-777-7343 or [email protected].

*Para español, visite **deq.wyoming.gov* [ [link removed] ]". Americans with Disabilities Act: special assistance or alternative formats will be made available upon request for individuals with disabilities.  Please provide at least fourteen (14) days before the close of the public comment period for such requests."


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