Clean Water Act (CWA)

Recent Activity

Results are sorted by the date of most recent activity.

Environmental Integrity Project v. Regan

September 3, 2021

U.S. Chamber and business associations file brief in challenge to EPA’s Navigable Waters Protection Rule, supporting EPA’s motion for voluntary remand without vacatur. The U.S. Chamber is an...

State of California v. Regan

July 30, 2021

U.S. Chamber files coalition amicus brief supporting the government’s motion for remand without vacatur of the “Navigable Waters Protection Rule,” so that the Rule would remain in effect while the...

South Carolina Coastal Conservation League v. Regan

July 15, 2021

District court dismisses environmental groups’ challenge to the Navigable Waters Protection Rule, and remands to EPA without vacating the rule, so the rule can remain in effect while the Biden...

Prairie Rivers Network v. Dynegy Midwest Generation, LLC

June 28, 2021

Seventh Circuit affirms dismissal of association’s Clean Water Act citizen suit for lack of jurisdiction, holding that complaint failed to show that any of the plaintiff’s members had standing. ...

South Carolina Coastal Conservation League v. Regan

June 28, 2021

U.S. Chamber and coalition file brief, as intervenors-defendants, (i) supporting the government’s motion for voluntary remand without vacatur of the Navigable Waters Protection Rule, or, in the...

State of Colorado v. EPA

March 2, 2021

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...

South Carolina Coastal Conservation League v. Regan

March 2, 2021

District of South Carolina grants stay in challenge to EPA’s Navigable Waters Protection Rule. As an intervenor in this case, the U.S. Chamber supported this outcome.

Environmental Integrity Project v. Regan

January 21, 2021

District of Columbia grants U.S. Chamber’s and business associations’ motion to intervene in challenge to EPA’s Navigable Waters Protection Rule.

South Carolina Coastal Conservation League v. Regan

October 19, 2020

U.S. Chamber and business intervenors file reply in support of EPA’s Navigable Waters Protection Rule. The U.S. Chamber is part of a group of business associations urging the District of South...

Northern Plains Resource Council v. U.S. Army Corps of Engineers

September 23, 2020

U.S. Chamber and business groups file amicus brief urging Ninth Circuit to reverse district court that applied the wrong standard when evaluating the U.S. Army Corps bases for issuing a nationwide...