San Francisco Bay Water Board Resolution R2-2011-0057 amended the Water Quality Control Plan for the San Francisco Bay Region (Basin Plan). The State Water Resources Control Board approved the amendment under Resolution No. 2011-0057, on December 5, 2011. The Basin Plan amendment refines the beneficial uses specific to Hayward Marsh by adding Hayward Marsh to Table 2-4 as a distinct water body; removing water contact recreation as a beneficial use; adding the protection of rare and endangered species beneficial use, and sustaining other existing beneficial uses. The amendment also clarifies the water quality objectives that apply to wastewater discharges into Hayward Marsh.
Cal. Code Regs. Tit. 23, § 3919.12