Clean Water Act (CWA)

Recent Activity

Results are sorted by the date of most recent activity.

Chamber of Commerce, et al. v. EPA (WOTUS Rule - Oklahoma District Court)

May 29, 2019

Northern District of Oklahoma denies motion for preliminary injunction, finding lack of irreparable harm, leaving rule in place while it considers the merits.

County of Maui v. Hawaii Wildlife Fund

May 16, 2019

U.S. Chamber files amicus brief urging Supreme Court to overrule Ninth Circuit’s extra-statutory expansion of the Clean Water Act’s point source permitting program

Chamber of Commerce, et al. v. EPA (WOTUS Rule - Oklahoma District Court)

February 20, 2019

U.S. Chamber files supplemental brief in support of motions for preliminary injunction in litigation against 2015 WOTUS rule

Chamber of Commerce, et al. v. EPA (WOTUS Rule - Oklahoma District Court)

December 7, 2018

U.S. Chamber and Oklahoma’s joint motion granted to reopen proceedings against the EPA’s 2015 “Waters of the United States” (WOTUS) rule

Kinder Morgan Energy Partners, L.P. v. Upstate Forever

October 4, 2018

U.S. Chamber urges Supreme Court to review scope of the Clean Water Act’s permitting program and reject the so-called “hydrologic connection” or “conduit” theory

Kentucky Waterways Alliance v. Kentucky Utilities Co.

September 24, 2018

Sixth Circuit rejects the so called “hydrologic connection” or “conduit theory” of Clean Water Act liability, holding the National Pollutant Discharge Elimination System program is limited to...

Tennessee Valley Authority v. Tennessee Clean Water Network

September 24, 2018

Sixth Circuit reverses district and rejects the so called “hydrologic connection” or “conduit theory” of Clean Water Act liability, holding the National Pollutant Discharge Elimination System...

Center for Biological Diversity v. EPA

August 23, 2018

U.S. Chamber of Commerce and National Association of Manufacturers file amicus brief urging Fifth Circuit to uphold EPA’s long-standing and sensible approach to avoiding unnecessary and...

Chamber of Commerce, et al. v. EPA (WOTUS Rule - Oklahoma District Court)

August 17, 2018

U.S. Chamber files joint motion with Oklahoma to reopen proceedings against the EPA’s 2015 WOTUS rule

Upstate Forever v. Kinder Morgan Energy Partners, L.P.

May 30, 2018

Fourth Circuit denies rehearing en banc in case addressing scope of the Clean Water Act’s permitting program and the so-called “hydrologic connection” or “conduit” theory