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Bitterroot Nutrient TMDL Schedule

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Saved by Christina Staten
on January 25, 2011 at 3:35:55 pm

Schedule for Development of the Bitterroot Nutrient TMDLs


The table below displays the projected time periods for major tasks in the development of the Bitterroot Mainstem Nutrient TMDLs. The status of each task is displayed as either:

Not Started

In Progress



The table will be updated if there are project delays resulting in significant changes to the task start and end dates. The original dates will be struck through, and new dates will be posted beneath. You may download a PDF of the Microsoft Project document to see the complete, detailed project schedule. Click on the Adobe icon below if you need to download the free software needed to view the document. For questions regarding schedule tasks or dates, please contact Darrin Kron, DEQ Nutrient Project Manager at 406-444-4765.




The temperature and tributary sediment TMDLs will be completed under a separate document. To see this completion schedule, please go to the Bitterroot Sediment and Temperature TMDL Schedule page. 

Main Tasks Subtasks Start Date End Date Status
Data Gathering  

Jan 2010

1st quarter  2011

 In Progress 

  Compile Existing Data    


  Collect Data (summer 2010 tributary nutrient sampling)      
  Complete Summary of Gathered Data      
SWAT Modeling  



2nd quarter




  Develop Nutrient Source Reports      
  Calibrate SWAT Model      
  Analyze Model Scenarios      
  Develop Model Scenario Results Report      
  TAG Review of Model Results



Write Up of Nutrient Document Section  

2nd or 3rd quarter 2011

3rd or 4th quarter


Not Started
  Develop Targets to Evaluate Existing Stream Conditions      
  Analyze Existing Stream Conditions



  Analyze Nutrient Source Contributions      
  Develop the TMDLs & Allocations      
WAG & TAG Review of Draft Document   

Estimated 4th quarter 2011


Not Started 


Public Review & Response  

1st quarter 2012

1st quarter 2012

Not Started
  Project Manager Review & Consideration of Stakeholder Comments      
  Format & Publish Public Document      
  Public Comment Period      
  Conduct Public Meeting      
  Address Public Comments      
  Format & Publish EPA Submittal Document      
Projected Date of Document Submission to EPA  


Estimated 1st quarter 2012





Go to the Sediment & Temperature TMDL Schedule Page


Page Released: April 14, 2010

Last Updated: January 25, 2011 (dates updated)