Clean Water Act (1977)
				Section 402  – established National Pollutant Discharge Elimination System (NPDES) program, requires permits for 4 major classes of storm water discharge and advocated use of Best Management Practices (BMPs) to minimize or eliminate the introduction of pollutants.
		Section 319 establishes a national program for the assessment and control of non point source pollution impacts to state waters.
			Section 303 requires state list of impaired water bodies.