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~ . ~ J0 ~t~ ... OPERATION ANLJ MAINTENANCE 31 () }Jf~/"Il.[ ion of 111 urn:... reservuir Morris reservoir was operated during the year in accord with the contract entered into October 1, 1945, between the Metropol- itan Water District, the San Gabriel Valley Protective Association, and the Los Angeles County Flood Control District, subject further to a contract between Metropolitan and the United States granting the Navy Department the use of the reservoir for the purpose of research in underwater ordnance. Payments from the Na\')' in the past fiscal year amounted to 366 days at $137.00 per day, or $50,142. Payment from the Los Angeles County Flood Control District, in accord with the terms of the contract, was $15,000 for the yeat'. During the fiscal year 3327 acre-feet of softened water was released from the upper feeder into the San Gabriel River channel in exchange for San Gabriel River water retained in Morris reservoir to maintain the water level required by the Navy. The total of such releases during the period of operation of Morris reservoir for the benefit of the Navy research program is 6235 acre-feet. i I I Opel'a/ion vf the dislrandin/l s?J.'ilc.m During the year the operation, maintenance, and minor con- struction activities of the distribution system including the District portion of the San Diego aqueduct were carried on by an average force of 38 men, exclusive of the softening and filtration plant per- sonnel. Maintenance and operation of reservoirs, the upper feeder, the branch feeders, the laterals to the constituent areas, and the District portion of the San Diego aqueduct were done by small crews - ---Iocated-at--L-a-Verne; -Lake-Mathews;i\fo\'l'is-relJerV6ir;-tIfeOi'ange- ~ County reservoirs, Palos Verdes reservoir, San Jacinto reservoir, . and at the north portal of Hollywood tunnel. Included in the regular maintenance activities are systematic patrol of pipe lines and struc- tures, operation of valves, meters, and equipment, minor repairs, painting of metalwork, daily observation of water deliveries, chang- ing of meter charts, and daily collection of samples for analysis to assure delivery of a safe water supply. Construction operations and maintenance of major equipment are performed by two special crews under a superintendent stationed at Lake Mathews and a master mechanic with headquarters at the District shops at La Verne. During the first portion of the fiscal year heavy demands on the distribution system were handled by keeping in close contact with those District constituents requiring fluctuating flows, thereby pro-