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U.S. District Court for the District of Colorado

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Resolved

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Case Updates

Parties stipulate to dismissal without prejudice of environmental groups’ suit challenging prior Administration’s Navigable Waters Protection Rule (NWPR) defining “Waters of the United States” under the Clean Water Act, following the Biden Administration’s issuance of its “phase 1” rule replacing the NWPR

January 06, 2023

Click here to view the dismissal order.

District of Colorado grants preliminary injunction against Navigable Waters Protection Rule, staying the effective date of the Rule in Colorado under 5 U.S.C. 705

June 19, 2020

Click here to view the order.

U.S. Chamber and business associations move to intervene in defense of the “Navigable Waters Protection Rule” defining “Waters of the United States” under the Clean Water Act, and file brief opposing Colorado’s efforts to preliminarily enjoin the rule

June 08, 2020

Click here to view the motion to intervene. Click here to view the brief opposing Colorado’s efforts to preliminarily enjoin the rule. Timothy S. Bishop, Brett E. Legner, and Colleen M. Campbell of Mayer Brown LLP served as co-counsel for the coalition of business intervenors.

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