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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.
NTMWD sought to model nutrient loading from the Lavon Lake watershed and its impacts on water quality in Lavon Lake by coupling a SWAT model of the watershed with a CE-QUAL-W2 model of the lake.
The 2014 Austin Water Resource Task Force recommended that the City of Austin evaluate the feasibility of IPR in Lady Bird Lake (LBL) as one of several water supply strategies for consideration in the City’s integrated water resources plan.
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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