"The Trump administration’s adoption of narrower protections for wetlands and waterways can take effect almost everywhere in the nation, except Colorado, while courts review whether the move was legal.
A federal Judge in California on Friday rejected a request for a nationwide injunction of the rule. Hours later, a federal Judge in Colorado agreed to freeze the federal rule within that state.
The California court’s decision is a major blow to environmentalists and states that had hoped to block the Navigable Waters Protection Rule across the country before it takes effect Monday. Colorado, meanwhile, is celebrating its success in blocking the rule in the Centennial State.
A coalition of liberal states and cities challenged the joint rule from the Environmental Protection Agency and Army Corps of Engineers, saying the agencies violated multiple federal laws. The U.S. District Court for the Northern District of California heard a marathon session of arguments June 18."