Jump to Navigation
Jump to Content

Oklahoma

Oklahoma v. United States Environmental Protection Agency

The Tenth Circuit upheld an EPA rule in which it rejected Oklahoma's regional haze plan to limit sulfur dioxide emissions at electric utility power plants and replaced it with its own more stringent regulations via a federal...

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...

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...

Oklahoma v. Tyson Foods, Inc.

A district court dismissed Oklahoma's claims for monetary damages against poultry companies for injury caused to the Illinois River watershed stemming from the their storage and disposal of poultry waste. The state failed to join the...

Conoco, Inc. v. ONEOK, Inc.

The court holds that a natural gas company must indemnify the owner of a ruptured pipeline for 50 percent of the costs it incurred cleaning up surrounding soil and groundwater and paying third-party damages to nearby property owners....