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Modeling Pollutant Fate and Transport in Constructed Wetlands

by Russell T. Brown, (A.M.ASCE), Jones & Stokes Associates, Sacramento, United States,
Joanne Field, Jones & Stokes Associates, Sacramento, United States,
Michael J. Zanoli, Jones & Stokes Associates, Sacramento, United States,
Ron W. Crites, Jones & Stokes Associates, Sacramento, United States,



Document Type: Proceeding Paper

Part of: Critical Issues in Water and Wastewater Treatment

Abstract:

The Constructed Wetlands Fate and Aquatic Transport Evaluation Model (CWFATE) was developed to evaluate alternative design and operations of the constructed wetlands treatment system (CWTS) at the Sacramento Regional Wastewater Treatment Plant in Elk Grove, California. The model simulates the daily fate and transport of metals and other influent pollutants in an effort to predict CWTS effluent concentrations, removal efficiency, and long-term bioaccumulation of pollutants in sediment, vegetation, organic material, and aquatic organisms. Due to the difficulty of obtaining scientific information for model verification, final calibration is postponed until further field data become available.

Subject Headings: Water treatment plants | Vegetation | Wetlands (fresh water) | Chemical treatment | Wastewater treatment plants | Pollution | Water pollution | California | United States

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