Recent Cases

Navajo Nation Files Amicus Brief in 10th Circuit Court Supporting Colorado’s Challenge to 2020 WOTUS Rule

August 10, 2020

Colorado v. U.S. Environmental Protection Agency, et al.

The Navajo Nation files an amicus brief in the Tenth Circuit to support the injunction stopping the 2020 Waters of the United States (WOTUS) rule from taking effect in Colorado, explaining that the rule harms the Tribe and violates the Clean Water Act.

Click on “Read More” to view amicus brief.

Navajo Nation Challenges 2020 and 2019 WOTUS Rules

June 22, 2020

Navajo Nation v. Wheeler, et al.

The Navajo Nation sues U.S. Environmental Protection Agency and U.S. Army Corps of Engineers in federal district court in New Mexico, arguing recent 2020 Waters of the United States (WOTUS) rule and 2019 repeal of the Clean Water Rule significantly diminish the number and extent of Navajo waters protected by the Clean Water Act in violation of the Administrative Procedure Act.

Click on “Read More” to view the complaint.