(2007) "The Lower Hillsborough River Minimum Flow Recovery Strategy" is adopted, based upon SWFWMD's 5-year study that documented a need for freshwater over twice that provided by its original rule as challenged by Friends of the River. A minimum flow of is adopted, combining the original of Sulphur Springs water with added to the river from water stored in Tampa Bypass Canal. Minimum flow adjusted upwards to in spring months (April, May, June) when fish spawning activity occurs in restored estuary. Daily minimum flow begins December 31, 2007.