IWR-Main—Version 5.1—An IBM-PC or Compatible Water Use Forecasting System

by Michael R. Krouse, US Army Engineer Inst for Water, Resources, United States,
Darrell G. Nolton, US Army Engineer Inst for Water, Resources, United States,

Document Type: Proceeding Paper

Part of: Critical Water Issues and Computer Applications


The IWR-MAIN water use forecasting system is a sophisticated and flexible computer program designed for estimating and forecasting municipal water requirements. The IWR-MAIN system is sectorally, spatially, and seasonally disaggregate. Water requirements are estimated separately for the residential, commercial/institutional, industrial, and public/unaccounted sectors of the study area. Within these major sectors, water use estimates are further disaggregated into individual categories such as metered and sewered residences, commercial establishments, and three-digit Standard Industrial Classification manufacturing categories. Definition of the study area as a city, county, or water utility service area provides for spatial disaggregation. Additionally, IWR-MAIN System can also produce water use forecasts which take into account long-term impacts of demand management or conservation practices that may be or have been implemented in the study area.

Subject Headings: Water conservation | Water use | Forecasting | Computer software | Water demand | Seasonal variations | Water meters | Municipal water

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