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Total Maximum Daily Loads (TMDL) Program

News & Announcements

New! The department announces a public meeting to receive comments on the draft dissolved oxygen total maximum daily load (TMDL) report for impaired waters in the Caloosahatchee River Basin  on December 17, 2018 at 3:00 p.m. at the City of Clewiston’s John Boy Auditorium-Beardsley Room. The  TMDLs that are to be presented at the public workshop include: Townsend Canal (3235L), Long Hammock Creek (3237B), Lake Hicpochee (3237C), C-19 Canal (3237E), and S-4 Basin (3246). Written comments on the TMDL should 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@dep.state.fl.us by January 4, 2019.
 

TMDL

Meeting Information

Location

Caloosahatchee River Basin- Townsend Canal, Long Hammock Creek, Lake Hicpochee, C-19 Canal, and S-4 Basin 

December 17, 2018, 3:00 p.m.

(Meeting Agenda)

City of Clewiston’s John Boy Auditorium-Beardsley Room
1200 South W.C. Owen Avenue B
Clewiston, FL 33440
 

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:
November 16, 2018 - 9:49am

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