Quantifying freshwater discharge through the coastal hydraulic control structures in eastern Broward County and eastern Palm Beach County is an important component in the computation of accurate water budgets for the inland and wetland areas, calibration and use of water-management models, and computation of nutrient loadings to the Intracoastal Waterway. Discharge ratings for 10 coastal hydraulic control structures in eastern Broward and Palm Beach Counties have been computed by theoretical rating curves.

Calibrating these rating curves requires accurate measurements of discharges through the coastal hydraulic control structure, data on structure operations, and headwater and tailwater elevations. These measurements must be made under a variety of conditions in order to encompass all the flow regimes that occur at each structure.

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