To provide for a study regarding development of a comprehensive integrated regional water management plan that would address four general areas of regional water planning in both the San Joaquin River Hydrologic Region and the Tulare Lake Hydrologic Region, inclusive of Kern, Tulare, Kings, Fresno, Madera, Merced, Stanislaus, and San Joaquin Counties, California, and to provide that such plan be the guide by which those counties use as a mechanism to address and solve long-term water needs in a sustainable and equitable manner.