Water Reuse in Las Colinas, Irving, Texas

by Mark R. Ernst, Dallas County Utility and, Reclamation District, United States,
Stanford W. Lynch, Dallas County Utility and, Reclamation District, United States,

Document Type: Proceeding Paper

Part of: Optimizing the Resources for Water Management


The largest urban water reclamation project in Texas that involves reuse of treated wastewater was implemented in July 1987, to provide an economical and drought-free supply of water to the master planned 12,000 acre Las Colinas Development in Irving, Texas. This project, the Raw Water Supply Project (RWSP), provides for the contractual right to 8000 ac-ft/yr of secondary treated effluent from Trinity River Authority's 100 MGD Central plant and the appropriative right to up to 5034 ac-ft/yr of raw water from the Elm Fork of the Trinity River to irrigate four golf courses, boulevard medians, and open spaces while also providing for evaporative makeup in 158 acres of man-made lakes. This paper describes the RWSP infrastructure, supply and demand statistics, operation and maintenance procedures, financial characteristics and water quality considerations.

Subject Headings: Water reclamation | Water shortage | Water treatment | Water supply | Water quality | Water demand | Water supply systems | Project management | Texas | United States

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