Management of Rural Water Supply Peak Flow Rates

by Trevor C. Hughes, (M.ASCE), Assoc. Prof. of Civ. and Environmental Engrg.; Utah Water Research Lab., Logan, Utah,


Serial Information: Journal of the Water Resources Planning and Management Division, 1978, Vol. 104, Issue 1, Pg. 129-137


Document Type: Journal Paper

Abstract: Flow rates in lines serving four and fifteen families were recorded continuously during two summer peak periods on a low-density rural domestic water system in Utah. During the second summer the potential flow rates at individual services were cut almost in half (from 11.0 gal/min to 6.3 gal/min average) by installing a small orifice in each service line. Analysis of the flow rate data and interviews with the water users produced conclusions which included the following: (1)Peak demands on this type of system almost never exceed 7 gal/min/service and therefore the customers were essentially unaware of any reduction in the quality of their service; (2)distribution line peak flows were reduced by 7% to 20% by the orifices and could have been reduced much more by a slightly smaller orifice; and (3)management of peak flows by simple orifices has important potential for sections of systems with marginal distribution line capacities.

Subject Headings: Water supply | Water flow | Flow rates | Peak flow | Rural areas | Potential flow | Flow distribution | Water quality | Density currents | Utah | North America | United States

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