Dissolved Oxygen Model of Oso Bay

CLIENT NAME

City of Corpus Christi

LOCATION

Corpus Christi, TX

PRACTICE AREA

Water Quality Modeling

SERVICES INCLUDED

Bay/Estuary Modeling

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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.

The Sutter Wildlife Refuge in the Oso Bay Estuary
The Sutter Wildlife Refuge in the Oso Bay Estuary

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.

Segmentation and Bathymetry of the Oso Bay Dissolved Oxygen Model
Segmentation and Bathymetry of the Oso Bay Dissolved Oxygen Model

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