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Trinity River Authority of Texas
Denton County, TX
Using the Water Quality Analysis Simulation Program (WASP), Plummer developed and calibrated a water quality model of Grapevine Lake. As a first step in developing the model, we acquired and managed historical water quality data from several sources, including rainfall, evaporation, reservoir water surface elevation, and nutrient, BOD, dissolved oxygen, and chlorophyll-a concentrations. Then, we analyzed lake bathymetry, created model segments, and constructed the WASP model. During model calibration, we identified relationships between the water quality data and biological and chemical processes operating in the lake. Finally, we used the model to assess eutrophication trends, investigate the potential impacts of wastewater discharges and urban development, and develop recommendations for future management strategies.
Using the EPA’s Water Quality Assessment Simulation Program (WASP), Plummer developed an advanced water quality model of Lewisville Lake to support a TPDES permit renewal for the Lakeview Regional Water Reclamation Plant.
As regulatory limits on nutrients and algae become an increasing reality in Texas, it is imperative that a reliable and site-specific approach be developed for establishing Texas Pollutant Discharge Elimination System (TPDES) permit effluent quality limits for nutrients.
Using the EPA’s Water Quality Assessment Simulation Program (WASP), Plummer developed an advanced water quality model of Lewisville Lake to support a TPDES permit renewal for the Lakeview Regional Water Reclamation Plant.
Plummer developed a CE-QUAL-W2 model of Lavon Lake to evaluate impacts on dissolved oxygen, nutrients and chlorophyll-a levels in the lake.
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