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  2. Impaired Waters and TMDLs

TMDL Foundations Training

The objective of the Total Maximum Daily Load Foundations training course is to introduce basic TMDL concepts and enable participants to understand the process for developing TMDLs.


Live Virtual TMDL Foundations Trainings

TMDL Foundations is a highly structured training course that takes the learner through the process of developing a simple TMDL. The learner will gain an understanding of the steps in the TMDL development process and an appreciation for how the various components of the analysis come together.

TMDL Foundations is an introductory course designed for state, territorial or Tribal personnel with entry-level experience in surface water quality assessment, impaired waters listing or TMDLs. Staff at any experience level in programs related to surface water quality standards, point source permitting or nonpoint source management may also benefit from the course.

Each live virtual offering of TMDL Foundations includes half-day sessions held two times per week over four consecutive weeks. These virtual trainings are offered one to two times per year.

TMDL Foundations Training Modules Schedule
  Week                                 Tuesday                                      Thursday
Week 1 Define TMDL Purpose and Scope Understand the Impairments and Establish Targets
Week 2 Inventory Pollutant Sources Plan the Linkage Analysis
Week 3 Execute the Linkage Analysis Allocate Pollutant Loads
Week 4 Determine Implementation and Monitoring Needs Prepare and Submit the TMDL Document

Download the TMDL Foundations Training Modules Schedule (pdf) (167.82 KB, 10/31/2024)

Information on upcoming live virtual TMDL Foundations trainings will appear on this page. Registration for TMDL Foundations is free and open to the public.

Save the Date: TMDL Foundations Training - February 2025

The EPA is pleased to announce that the next offering of TMDL Foundations will be held during February 2025.

The eight training sessions will occur on the dates below from 1:00 PM to approximately 4:00 PM, Eastern Standard Time. Participants are expected to attend all eight sessions.

  • Session 1: Tuesday, February 4
  • Session 2: Thursday, February 6
  • Session 3: Tuesday, February 11
  • Session 4: Thursday, February 13
  • Session 5: Tuesday, February 18
  • Session 6: Thursday, February 20
  • Session 7: Tuesday, February 25
  • Session 8: Thursday, February 27

Register for this upcoming session by filling out the registration form here. 

  • Accessibility and Reasonable Accommodations (pdf) (230.85 KB, 11/01/2024)

Impaired Waters and TMDLs

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  • Impaired Waters and TMDLs throughout the U.S
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Contact Us About Impaired Waters and TMDLs
Contact Us About Impaired Waters and TMDLs to ask a question, provide feedback, or report a problem.
Last updated on November 1, 2024
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