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City of Corpus Christi
Corpus Christi, TX
Oso Bay is a complex shallow estuary system that is heavily impacted by tidal cycles, local aquatic flora and fauna, and large hypersaline water transfers that alter the Bay’s natural hydrologic regime.
Plummer developed a dissolved oxygen model that couples the FREHD hydrodynamic code (Hodges, 2012) and EPA WASP 7 to simulate dissolved oxygen in the Bay. The model was calibrated and used to evaluate the impact of effluent discharge from the City of Corpus Christi’s wastewater treatment plants on the Bay health. The model has been approved by the TCEQ and adopted as a regulatory model to evaluate discharges into the Bay. Plummer provided model expertise to assist in the City’s discussions with the TCEQ and local environmental organizations (e.g., the Coastal Bays Bends and Estuary Program) regarding water quality standards in Oso Bay.
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.
A client operates an ongoing Watershed Protection Program (WPP) to protect its water supply. Plummer assisted in developing and incorporating a spill response plan into the WPP.
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.
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.
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