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Water Quality Evaluation and TMDL Program

The Water Quality Evaluation and TMDL program (WQETP) includes two sections: The Watershed Evaluation and TMDL (WET) and The Groundwater Management (GWM). 

The Watershed Evaluation (WET) section is responsible for conducting statewide, basin-scale assessments of surface water quality, focusing its main efforts on Total Maximum Daily Load (TMDL) development. The WET section also assists with technical reviews, model evaluation for mixing zones, and other department needs. A TMDL is a scientific determination of the maximum amount of a given pollutant that a surface water can absorb and still meet the water quality standards that protect human health and aquatic life. Waterbodies that do not meet water quality standards are identified as "impaired" for the pollutants of concern - nutrients, bacteria, mercury, etc. - and TMDLs must be developed, adopted and implemented for those pollutants to reduce pollutants and clean up the waterbody.

The department’s mechanism for prioritizing its TMDL development schedule was to use a recovery potential screening approach to choose impaired waters where site-specific TMDLs are most appropriate and most likely to succeed. A document detailing the approach can be found here.

The Groundwater Management (GWM) section is responsible for conducting statewide, basin-scale and detailed assessments of groundwater quality, focusing on groundwater as a potable water resource as well as a source of base flow to streams, lakes and estuaries. They also are responsible for data management (water quality and discharge data), QA and assessment of data from the Springs Monitoring Network and special GWM monitoring projects. They collect springs data from various agencies, analyze the data and produce reports to support other program and division needs. They play an integral role in assessing springs for TMDL development and BMAP reports, meetings and other related activities


For more information, e-mail Erin Rasnake.
Water Quality Evaluation & TMDL Program
2600 Blair Stone Road - Mail Station 3555
Tallahassee, FL, 32399-2400
Phone: 850-245-8338

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