The rollback comes as the Biden administration looks toward a new rewrite of Waters rule.

A last minute request for a temporary injunction against the rule failed in California, but succeeded in Colorado.

Possibly thousands of energy and power projects affected as Apr. 15 ruling forces Nationwide Permit-12 water-access halt and overhaul; U.S. to seek higher court review.

The publication will set off a round of litigation over the rule, which is set to become final on June 22.