Analytical Cost Model for Urban Water Supplyby Robert M. Clark, (M.ASCE), Engrg. Systems Analyst; Drinking Water Research Division, MERL-EPA, Cincinnati, Ohio 45268,
Richard G. Stevie, Economist; State of North Carolina Utilities Commission, Raleigh, N.C. 27602,
Serial Information: Journal of the Water Resources Planning and Management Division, 1981, Vol. 107, Issue 2, Pg. 437-452
Document Type: Journal Paper
Abstract: The local water utility is ordinarily a pure monopoly except that industrial customers of water may establish their own supplies. Water supply systems can be separated into components: (1)Acquisition-treatment; and (2)delivery. Each of these components has its own cost function. Economies of scale gained in treatment may be lost in transportation. The tradeoffs between economies of scale in production and the costs of transportation have significance for the development of regional water supply systems. Cost functions are developed that allow a decision maker to evaluate these tradeoffs. Under specific circumstances the minimum average cost point for delivered water is approximately 8 miles.
Subject Headings: Water supply systems | Municipal water | Industries | Client relationships | Decision making | Model analysis | Hydrologic models
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