Share recent applied research results from northern California on the: 1) quality of water in pasture and rangeland runoff, streams and rivers, and the Sacramento/San Joaquin Delta, 2) potential risks range and pasture management pose to water quality and management options to reduce these risks; and 3) use of vegetative filter strips and wetlands to clean-up agricultural runoff. Provide practical management options to protect water quality, and comply with water quality regulatory programs.