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76 FR 57646

EPA withdrew the federal aquatic life water quality criteria applicable to certain waters of the Great Lakes system in Wisconsin in favor of state-designated criteria. 

76 FR 55060

EPA released a final report entitled, Aquatic Ecosystems, Water Quality, and Global Change: Challenges of Conducting Multi-Stressor Vulnerability Assessments.

Hugo v. Nichols

The Tenth Circuit held that an Oklahoma city and a Texas city that entered into water contracts with one another lack standing to challenge Oklahoma's water appropriation permitting process as unconstitutional under the Commerce Clause. The claims at issue here are based on a substantive provisi...

Tarrant Regional Water District v. Herrmann

The Tenth Circuit held that Oklahoma statutes that favor in-state water appropriation permit applicants over out-of-state permit applicants do not violate the Commerce Clause. The case arose after a Texas water district sought permits to appropriate water from Oklahoma for use in Texas. Because Okla...