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iC;SiWater Quality Through rhe canals and reservoirs of the State \Vater Project will flow water, the liquid lifeline of California. In anticipation of water delivery along this lifeline, the department must plan to con- trol the growth of algae and to prevent pollution and deterioration of water quality. The manage- ment of our water resources always must be asso- ciated with the management of the quality of these resources if the water provided is to serve its in- tended purposes. Substantial progress m our program of surface water quality management was made with the completion, in 1962, of the Sacramento River Pol- lution Survey. Conducted with the assistance of the Departments of Fish and Game and Public Health, the Central Valley Regional \Vater Pollu- tion Control Board, and others, this survey will provide the basis to ensure that waters of the Sac- ramento Ri,'er remain suitable for use downstream and for export. Results of the investigation will be published late in 1962 as Bulletin No. III.' Early in 1961, two bulletins of significanee 111 the field of water quality were issued. The first is . Bulletin No. 81, "Intrusion of Salt \Vater into Ground \Vater Basins of Southern Alameda County," a summary of the findings of a two-year intensive study of salinity problems in ground waters of southern Alameda County. The second is. Bulletin No. 89, "Lower San Joaquin Valley \Vater Quality Investigation." Publication of Bul- letin No. 89 followed a five-year study of the quality of water in the San Joaquin River between the Merced River and the Delta. This investiga- tion was undertaken at the request of three water agencies which divert water for irrigation from the river. The agencies assisted the invcstigation financially. The report summarizes data regarding past and present quality of waters in the northern 14 RECENTLY PlIBLlSHED WATER QIIALlTY STIIDIES . Bulletin No. 65-57: Quolity of Surface Waters in California, 1957. December 1960. . Bulletin No. 65-58: Quality of Surface Waters in California, 1958. December 1960. . Bulletin No. 65-59: Quality af Surface Waters in California, 1959; Part I: Northern and Central California. July 1961. . Study of Boron in Citrus Packing Plant Waste Discharges, Fresno and Tulare Counties. September 1961. . Report on Studies of Sea Water Intrusion in Santa Ana Gap, Orange County. April 1961. . Appendixes C, D, and E of Bulletin No. 63: Sea Water Intrusion in Califon\ia. April 1960, San Joaquin Valley and includes an evaluation of factors influencing water quality of the San Joa- quin River. \'lith the increasing demand for water, the pos- sibility of waste water reclamation takes on added importance.. Bulletin No. 80, "Feasibility of Reclamation of \Vater From \Vastes in the Los Angeles Metropolitan Area," discusses the possi- bility of economically reclaiming as much as 195,- 000 acre-feet annually of water now wasting to the sea, Throughout California the quality of surface waters deteriorated significantly, although tempo- rarily, as a result of a condition of drought during 1960 and 1961. During this period concentrations of various mineral constituents and total salts reached the maximum of record at man)' testing stations. Then abundant precipitation earh- in 1962 brought about a marked improvement in sur- face water quality.