Agricultural water users have made dramatic strides in water use efficiency over the past two decades. Irrigation districts and farmers have adopted water use efficiency practices and technologies that compare favorably with those found anywhere in the world. Huell will start at the Water and Energy Technology (WET) Incubator at California State University, Fresno, which is at the forefront of developing water, energy and environmental technologies. Next, Huell visits the Patterson Irrigation District to view cutting edge projects under way there. For a small irrigation district, Patterson ID has a significant amount of technology in place to more efficiently use water and improve water quality in the nearby San Joaquin River.