Cal. Health and Safety Code § 5008

In the operation of the works, the district may do any or all of the following: (a) Sell, or otherwise dispose of any water, sewage effluent, fertilizer, or other by-products resulting from the operation of a sewerage system or sewage treatment or disposal plant, and construct, maintain, and operate such pipe lines and other works as may be necessary for those purposes. (b) Construct, maintain, and operate pipe lines or such other works as may be necessary to conserve and put to beneficial use any water or sewage effluent recovered from the operation of the sewerage system, plant, or works by sale or disposition for agricultural or industrial purposes, including irrigation, or by discharging or spreading the water or sewage effluent in such manner as to percolate into the underground gravels and replenish natural water resources. (c) Exercise the power of eminent domain under the Constitution and laws of the State in so far as it may be necessary to carry out the provisions of this chapter. (d) Make such contracts with the Reconstruction Finance Corporation or other fiscal agency of the United States as are necessary to meet the requirements of the Emergency Relief and Construction Act of 1932.