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File Name:
Water Quality Rules Chapters 1 and 2
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EQC Docket Number:
25-3101
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Date Opened:
3/12/2025
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AG Attorney:
Abigail Boudewyns
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Prevailing Party:
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Date of Disposition:
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Date File Closed:
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Archive Date:
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Archive Box:
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City:
State wide
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County:
State wide
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DEQ File Number:
Water Quality Rules Chapters 1 and 2
Division:
Water Quality
Case type:
Rulemaking
Hearing Examiner:
Shane True
Summary:
Water Quality Division proposes revisions to Chapter 1 that (1) make the rules more clear, concise, and consistent with state and federal law, regulations, and guidance; (2) revise designated uses and remove bundled designated use classification system so that designated uses can be applied separately to Surface Waters of the State; (3) provide minor updates to a few water quality criteria to incorporate advancements in scientific understanding of the conditions necessary to protect designated uses in Wyoming; and (4) fulfill Clean Water Act requirements to review surface water quality standards at least once every three years. Water Quality Division proposes revisions to Chapter 2 to address specific changes to Chapter 1 and include: (1) removing references to the bundled classification system that is being removed from Chapter 1; and (2) incorporating provisions related to fish toxicants, aquatic pesticides, and short-term sediment disturbances (including turbidity), that were removed from Chapter 1 because they address discharges to surface waters and are not water quality standards.