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$ H LVLandWCo. used wood stave pipe exclusively in new construction and replacements until 1927, when cast iron pipe vlas introduced into the system. About that time the wood pipe began tain on account of termites, and penetration All wood pipe and wrought iron pipe in the en to be expensive to main-qy tree and shrub roots, tire system has been re­placed with cast iron, the greater part of the carried out in 1941. The change will elimlnat water due to leakage in the mains. It also wlj nance costs to a minimum. replacements being e the former losses 1 1 reduce future mai of nte- Meters are not permitted under a state law affecting cities of over 4,500 population, and there is a prodigal use of water, partic­ularly during the heated term when very high tjemperatures prevail. The low water pressure resulting from the gravity system - ranging from 5b to 20 pounds - has had a bearing upon the waste observable in sprinkling lawns; another removable item of loss has be^n seen in negligent opera­tion of air conditioning apparatus, of which there is much in the Cxty• From time to time the attention of the public has been directed by ad­vertisements in the city newspapers to the waste of water by consumers, and such educational work will, it is hoped, produce lasting results. There is a city ordinance relating to wasteful use of water, passed in July, 1939, but it has not been enforced. Laijt year, however, the city assigned a special uniformed officer during th)e heated term to look after the wasting of water by any and every mdans, and the LVLandWCo. paid one half of hie salary. The results werd very satisfactory. The LVLandWCo.'s water rates conform to a schedule fixed by the Public Service Commission of Nevada and mflde effective on Sept. 1, -7-