CALTRANS AND ITS CONTACTOR (GRANITE CONSTRUCTION CO.) VIOLATED THE STATEWIDE GENERAL STORMWATER PERMIT DURING THE COURSE OF A CONSTRUCTION PROJECT TO WIDEN HIGHWAY 126 NEAR SANTA CLARITA, CALIFORNIA. THEIR JOINT FAILURE TO DEVELOP AND IMPLEMENT AN ADEQUATE STORM WATER POLLUTION PREVENTION PLAN RESULTED IN DISCHARGE OF POLLUTANTS TO WATERS OF THE U.S.