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.
To support permitting of a discharge of treated wastewater effluent from a new wastewater treatment plant, Plummer developed a QUAL-TX model from HEC-RAS cross-sections of the receiving stream.
To support permitting of a discharge of treated wastewater effluent from a new regional wastewater treatment plant, Plummer assisted the NTMWD in developing a QUAL-TX model and a plan for collecting field measurements of stream geometry and flowrates.
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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