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8 expansion should continue through the year. Summary? of Distribution Mains in Feet Size, Wrought Inches Steel Iron Cast Iron Total 2 456 456 3 995 995 4 64,948 64,948 6 4,030 154,952 158,982 8 71,040 71,040 1 0 11,017 11,017 1 2 18,628 18,628 16 234 234 4,030 995 321,275 326,300 Water produced from the springs and wells is clear? and palatable and of moderate hardness. Only 'the water from the smallest spring (whose output is a negligible part of total production) is sub­jected to purification. An automatic chlorinator is installed for this purpose. 4. Change from Railroad to Utility Use As previously stated, the first use of the water was ex­clusively for railroad purposes. With the completion of the road and the building of the town a division in the use of water between the railroad and the Water Utility was established. In the early years the railroad naturally used the major portion of all water produced, but with increasing population, more use per customer (encouraged by flat rates) and the change from steam to diesel railroad motive equipment, the amount of water used by the Water Utility now far exceeds that used by the railroad for its own use and for sales to contract industrial users. The effect of changing conditions is well demonstrated by the following figures on water production and utilization in recent years: