State of Colorado v. EPA

U.S. Court of Appeals for the Tenth Circuit

Tab Group

Merits Stage

Tenth Circuit holds that district court abused its discretion in granting Colorado injunctive relief from the “Navigable Waters Protection Rule” defining “Waters of the United States” under the Clean Water Act

March 2, 2021

Click here to view the opinion.

U.S. Chamber and business associations file intervenors’ reply brief

August 14, 2020

Click here to view the brief.

U.S. Chamber and business associations file intervenors’ reply brief in defense of the “Navigable Waters Protection Rule” defining “Waters of the United States” under the Clean Water Act

July 16, 2020

Click here to view the brief. Timothy S. Bishop, Brett E. Legner, and Colleen M. Campbell of Mayer Brown LLP served as co-counsel for the coalition of business intervenors.

Previously, the U.S. District Court for the District of Colorado granted our motion to intervene.

Case Documents

Preliminary Injunction Order -- State of Colorado v. EPA (D. Colo.).pdf

U.S. Chamber MLF to File of Intervenor-Defendant-Appellants Business Intervenors -- Colorado v. Wheeler (Tenth Circuit).pdf

Intervenors Reply Brief -- Colorado v. Wheeler (Tenth Circuit).pdf

Opinion -- Colorado v. Wheeler (Tenth Circuit).pdf