In a big win for aggregates companies and for public agencies that build transportation and water resource projects, the U.S. Court Appeals for the District of Columbia Circuit, on July 29, 2005, reversed a lower court decision finding that their challenge to the U.S. Army Corps of Engineers (Corps) 2002 Nationwide Permit Regulations (NWP) under the federal Clean Water Act was final agency action and, therefore, "ripe for review."