Environmental groups are planning to sue the EPA and the Army Corps of Engineers over what the groups call a lack of consideration for endangered species when the agencies delayed a rule to protect certain waters.

A coalition of groups filed notice Feb. 14 of their intent to sue the Environmental Protection Agency and the Corps for violation of the Endangered Species Act, which requires federal agencies to consult with the U.S. Fish and Wildlife Service when an action may affect an endangered or threatened species.

The EPA and the Corps released a final rule Feb. 6 that...