Project Overview

The St. John’s River Water Management District (SJRWMD) Minimum Flows and Levels (MFLs) Program, mandated by state law (Section 373.042, Florida Statutes XF.S.]), establishes MFLs for lakes, streams and rivers, wetlands and ground water aquifers. MFLs define the minimum frequencies of high, average, and low water events (defined by magnitude and duration hydrologic components) necessary to prevent significant ecological harm to aquatic and wetland habitats from permitted water withdrawals.

SJRWMD contracted with ATM to evaluate the water resource and human-use values portion of the overall effort to develop and establish the MFLs for six priority springs, including Silver Springs/Silver River in Marion County. The work involves environmental, ecological, and hydrological assessments of the subject springs and spring runs to determine whether the hydrologic regime defined by the multiple minimum flows and levels (MFLs) recommended for the priority springs within the District protects the water resource and human use values (WRV) identified in Section 62-40.473, F.A.C.

ATM is also providing expert witness services to the SJRWMD regarding WRV assessment findings in Florida Administrative hearings.

 

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