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What is a TMDL?
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. Water bodies that do not meet water quality standards are identified as "impaired" for the particular 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 water body.
The threshold limits on pollutants in surface waters--Florida's surface water quality standards on which TMDLs are based--are set forth primarily in rule 62-302, Florida Administrative Code, and the associated table of water quality criteria.
What are the basic steps in the TMDL program? How does it work?
We are working on a more comprehensive approach to protecting Florida water quality involving basin-wide assessments and the application of a full range of regulatory and non-regulatory strategies to reduce pollution. The Total Maximum Daily Load (TMDL) is the heart of this comprehensive approach.
Locations of the Department's Adopted TMDLs
For locations of TMDLs in Florida, please see our State of Florida Adopted TMDLs and Status of TMDLs in Florida documents (State Rule 62-304, Florida Administrative Code F.A.C.). Additionally, you can view our interactive TMDL map.
Please help us improve our service by providing feedback on what you think of our Adopted TMDL document, whether it is useful, and how could we make it better. Please contact Jonathan Turner (Jonathan.Turner@dep.state.fl.us), (850) 245-8438 or Janis Morrow (Janis.Morrow@dep.state.fl.us), (850) 245-8543.
For more information on the development of water quality restoration goals (TMDLs), send e-mail to Erin Rasnake.
Water Quality Evaluation & TMDL Program
For information on TMDL grants, Section 319 (nonpoint source) grants, and other financial assistance for water infrastructure projects or implementation of urban or agricultural best management practices, please see our financial assistance webpage to determine what opportunities might be right for your project.
Other WWW TMDL Links
Last updated: January 13, 2017
2600 Blair Stone Road M.S. 3500
Tallahassee, Florida 32399
850-245-8336 (phone) / 850-245-8356 (fax)