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Total Maximum Daily Loads (TMDL) Program

News & Announcements

 
New!  The Department of Environmental Protection announces a public meeting to receive comments on the draft nutrient total maximum daily load (TMDL) report for impaired waters in the Kissimmee Basin on August 27, 2019 in Frostproof, FL. These TMDLs as site specific interpretations of the narrative nutrient criterion that are to be presented at the public workshop include: Reedy Lake (1685D), Lake Ida (1685E), Hickory Lake (1730), Lake Clinch (1706), and Lake Adelaide (1730D).  Written comments on the TMDL should by  September 13, 2019, and can be directed to: Erin Rasnake, Program Administrator, Florida Department of Environmental Protection, MS 3555, 2600 Blair Stone Road, Tallahassee, Florida 32399-2400 or via email: Erin.Rasnake@Floridadep.gov
 
New! The public is invited to attend a technical meeting on the development of total maximum daily loads (TMDLs) for Lakes Glenada, Placid, Red Water, and Istokpoga in the Kissimmee River Basin. The meeting will provide an opportunity for the department to present the modeling approach to be used for development of TMDLs and to obtain input from stakeholders. The time and location of this workshop is listed in the following table. Written comments on the TMDL modeling approach should be received by September 13, 2019 and can be directed to: Erin Rasnake, Program Administrator, Water Quality Evaluation and TMDL Program, Florida Department of Environmental Protection, Mail Station #3555, 2600 Blair Stone Road, Tallahassee, Florida 32399-2400, or via email: Erin.Rasnake@Floridadep.gov
 
New! The public is invited to attend a hearing on September 20th, 2019 in Tallahassee, Florida for Total Maximum Daily Loads (TMDLs) in the Peace River Basin (62-304.625) and Withlacoochee Basin (62-304.640), specifically, nutrient TMDLs for Lakes Lulu, Eloise, Shipp, May, Howard, Cannon, Hartridge, Idylwild, Jessie, and Gum Springs (Alligator Springs), Wilson Head Spring, and Blue Spring (Citrus County). The person to be contacted regarding the proposed rules is: Erin Rasnake, Program Administrator, Water Quality Evaluation and TMDL Program, Florida Department of Environmental Protection, Mail Station #3555, 2600 Blair Stone Road, Tallahassee, Florida 32399-2400, or via email: Erin.Rasnake@Floridadep.gov
 

TMDL

Meeting Information

Location

Kissimmee Basin: Reedy Lake (1685D), Lake Ida (1685E), Hickory Lake (1730), Lake Clinch (1706), and Lake Adelaide (1730D) 
August 27, 2019, 2:00 p.m. EST
Latt Maxcy Memorial Library
15 N Magnolia Ave
Frostproof, FL
Kissimmee River Basin: Lakes Glenada, Placid, Red Water, and Istokpoga 
August 28, 2019, 10:00 am EST
Bert J. Harris Agricultural Center
Conference Room 2
4509 George Boulevard
Sebring, Florida 33875
September 20th, 2019, 2:00 p.m. EST
 
Bob Martinez Center
2600 Blair Stone Road
Conference Room 176
Tallahassee, Florida 32399
 

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 to reduce those 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 (F.A.C.), and the associated table of water quality criteria.

What are the basic steps in the TMDL program? How does it work?

  1. Assess the quality of surface waters--are they meeting water quality standards? (Surface Water Quality Standards - Chapter 62-302)
  2. Determine which waters are impaired--that is, which ones are not meeting water quality standards for a particular pollutant or pollutants. (Impaired Waters Rule (IWR) - Chapter 62-303)
  3. Establish and adopt, by rule, a TMDL for each impaired water for the pollutants of concern--the ones causing the water quality problems. (TMDLs - Chapter 62-304)
  4. Develop, with extensive local stakeholder input, Basin Management Action Plans (BMAPs) that....
  5. Implement the strategies and actions in the BMAP
  6. Measure the effectiveness of the BMAP, both continuously at the local level and through a formal re-evaluation every five years.
  7. Adapt--change the plan and change the actions if things aren't working
  8. Reassess the quality of surface waters continuously

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 view our interactive TMDL map and Status of TMDLs in Florida documents (State Rule 62-304, F.A.C.).

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 Erin Rasnake at Erin.Rasnake@dep.state.fl.us, 850-245-8338, or Janis Morrow at Janis.Morrow@dep.state.fl.us, 850-245-8543.

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Last Modified:
July 30, 2019 - 9:08am

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