Fresh water inflows to the bay were settling, creating varying levels in salinity. With a proposal to construct a new channel through the Courtney Campbell Causeway (SR60) crossing Old Tampa Bay, the modeling and scientific site analysis confirmed the main factor to poor water quality and limited abundance of seagrass north of the causeway was reduced circulation. We performed an ecological feasibility study and created a detailed hydrodynamic model to evaluate the viability and benefits of a new approach which included restoring natural circulation patterns near causeways. While this traditional approach would prevent water quality from worsening due to the nearby improvements, FDOT needed something more innovative-a cost-saving solution that addressed the short-term construction needs while also improving the overall water quality for the area. Developed properties would be demolished to build detention ponds to prevent construction runoff from entering the bay.
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