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Water: Total Maximum Daily Loads (303d)

Nutrient TMDL Workshop

NutrientTMDLWorkshop

 

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Agenda


Day 1 - Tuesday, Feb 15

8:00    
Registration
8:30Welcome
8:45Workshop Purpose and Goals
Menchu Martinez, US EPA Headquarters and Jim Ruppel, US EPA Region 8
Overview Session 1
Programmatic and Scientific Background
Moderator: Mike Haire, US EPA HQ
9:00Nutrient Effects on Aquatic Ecology, Recreation and Drinking Water Supply: Nutrient and Key Response Indicators
Michael Paul, Tetra Tech
Presentation: Nutrient Effects on Aquatic Ecology, Recreation and Drinking Water Supply: Nutrient and Key Response Indicators (PDF) (37 pp, 669K)

 

9:30 Nutrients and the Clean Water Act Section 303(d) Listing and TMDL Program
John Goodin, US EPA Headquarters
Presentation: Nutrients and the Clean Water Act Section 303(d) Listing and TMDL Program (PDF)(14 pp, 469K)

 

10:15          
Questions and Answers


10:30  
Break
Overview Session 2
Nutrient Criteria Development
Moderator: Mike Haire, US EPA HQ
10:45          
Nutrient Criteria: National Overview/Recent Developments/Look to the Future
Dana Thomas, US EPA Headquarters

Presentation: Status of Numeric Nutrient Criteria Development (PDF) (23 pp, 720K)

11:20 Overview of EPA's Promulgated Numeric Nutrient Criteria for Florida's Streams, Lakes and Springs
Daryll Joyner and Jan Mandrup-Poulsen, Florida Department of Environmental Protection
Presentation: Overview of EPA's Promulgated Numeric Nutrient Criteria for Florida's Streams, Lakes and Springs (PDF) (28 pp, 480K)

 

12:15–
1:30
Lunch on your own
Listing Session 1
Assessing and Listing Nutrient Impairments
Moderator: Kim Caviness, Mississippi Department of Environmental Quality
1:30             Results of the National Survey
Sarah Lehmann, US EPA Headquarters
Presentation: The National Aquatic Resource Surveys (NARS) Nutrient Results (PDF) (16 pp, 1.2MB)

Handout (PDF) (4 pp, 72K)


2:00           
Listings Based on Narrative Water Quality Criteria
Bill Painter, US EPA Headquarters
Presentation: Selected Information from Watershed Branch In-House Surveys of EPA Regions -- Nutrient Listings (PDF) (10 pp, 26K)

 

2:20 Stressor Identification
Jeffery Frithsen, US EPA Headquarters
Presentation: Stressor Identification (PDF) (36 pp, 3.6MB)

 

3:00 Discussion, Questions and Answers

 

3:30
Break
TMDL Session 1
Overview of the Existing Methods for Nutrient TMDL Development
  Moderator: Kim Caviness, Mississippi Department of Environmental Quality
3:45           
Overview of Findings from Compendium of Nutrient TMDLs
Rosaura Conde, US EPA Headquarters and Jennifer Olson , Tetra Tech
Presentation: Compilation of Practices Observed in Nutrient Listing and Total Maximum Daily Loads (TMDLs) (PDF) (15 pp, 433K)

 

4:15 Quantitative Prediction of Nutrient Effects on Key Response Indicators and Use
Tim Wool, US EPA Region 4
Presentation: Quantitative Approaches for Linking Nutrient Concentrations to Response Indicators for TMDL Development (PDF) (9 pp, 511K)

 

5:00 Adjourn



Day 2 - Wednesday, February 16

8:30 Opening Remarks                                                    

TMDL Session 2
Setting Nutrient Targets
  Moderator: Tom Stiles, Kansas Department of Health
8:45              Developing Nutrient Concentration Targets from Narrative Criteria
Bill Painter, US EPA Headquarters
Presentation: Selected Information from Watershed Branch In-House Surveys of EPA Regions—Nutrient Listings (PDF) (10 pp, 32K)

 

9:00 Setting Water Quality Targets for Phosphorus and Nitrogen
Michael Paul, Tetra Tech
Presentation: Setting Water Quality Targets for Nitrogen and Phosphorus (PDF) (37 pp, 669K)

 

9:30 Pennsylvania Nutrient TMDLs – Using a Weight of Evidence Approach

Elizabeth Gaige, US EPA Region 3 

 

10:00
Michigan Approach to Setting Nutrient Targets Based on Biological Impairments
Sylvia Heaton, Michigan Department of Environmental Quality
Presentation: Developing Nutrient Targets for TMDLs: Biological Thresholds and Predictive Modeling (PDF) (31 pp, 956K)

 

10:30 Break

 

10:45 Identification of Nutrient Concentrations and Enrichment Indicators for Application in a Weight- of-Evidence Based Nutrient Water Quality Standard for Ohio
Bob Miltner, Ohio Environmental Protection Agency
Presentation: Development of Nutrient Water Quality Standards for Ohio Surface Waters (PDF) (20 pp, 1.0MB)

 

11:15 Development of Biologically Based Total Maximum Daily Loads for Nutrients in the Upper Midwest
Shivi Selvaratnam, Indiana Department of Environmental Management and Jeff Frey , USGS
Presentation: Nutrient Targets for Development of Biologically Based Total Maximum Daily Loads for the Upper Midwest (PDF) (27 pp, 1.8MB)

 

11:45 Panel Discussion

 

12 – 1 Lunch
Concurrent Session 1A
TMDL Modeling Applications
  Moderator: Joni Nuttle, Colorado Department of Public Health & Environment
1:00           
Nutrient Modeling Overview
Dr. Mazdak Arabi, Colorado State University
Presentation: Nutrient Modeling Overview (PDF) (25 pp, 821K)

 

1:45 Using Load Duration Curves in Nutrient TMDLs
Bruce Cleland, Tetra Tech
Presentation: Nutrient TMDLs: Using Duration Curves to Develop Nutrient TMDLs (PDF) (49 pp, 6.1MB)

 

2:05 Water Quality Modeling – Technical Applications Using Mechanistic Models
Tim Wool, US EPA Region 4
Presentation: Mechanistic Models in Nutrient TMDL Development (PDF) (21 pp, 1.3MB)

 

2:40 Nutrient TMDLs for Reservoirs with Limited Data: Assessing Uncertainty Using Monte Carlo Simulation
Andrew Fang, Oklahoma Department of Environmental Quality
Presentation: Nutrient TMDLs for Reservoirs with Limited Data: Assessing Uncertainty Using Monte Carlo Simulation (PDF) (40 pp, 2.47MB)
Concurrent Session 1B
State Approaches to Nutrient TMDLs
  Moderator: Mark Osborn, Missouri DNR
1:00            
Nutrient TMDLs Issues in Kentucky
Andrea Fredenburg, Kentucky Division of Water
Presentation: Nutrient TMDL Issues in Kentucky (PDF) (19 pp, 630K)

 

1:20 Nutrient TMDL Development and Implementation in New Mexico
Shelly Lemon, New Mexico Environment Department
Presentation: New Mexico's Approach to Nutrient Impaired Waters (PDF) (17 pp, 499K)

 

1:40 North Carolina Nutrient TMDLs: Integrating State and Federal Programs
Pam Behm, North Carolina Division of Water Quality
Presentation: North Carolina Nutrient TMDLs: Integrating State and Federal Programs (PDF) (16 pp, 1MB)

 

2:05 Los Angeles Area Lake TMDLs
Valentina Cabrera-Stagno, US EPA Region 9
Presentation: Los Angeles Area Lakes EPA TMDLs: “Simple” TMDLs Developed Using the NNE BATHTUB Model (PDF) (29 pp, 4.1MB)

 

2:30 Expressing Load Allocations for Nutrient TMDLs with Direct Linkage to Implementation Tools
Kevin Kirsch, Wisconsin Department of Natural Resources
Presentation: Expressing Load Allocations with Direct Linkage to Implementation Tools (PDF) (30 pp, 2.7MB)

 

3:00 Break
Concurrent Session 2A
Technical and Regulatory Issues in TMDL Development
  Moderator: Joni Nuttle, Colorado Department of Public Health & Environment
3:15           
Linking Nutrients and Sediment Oxygen Demand, Souris River TMDL
Heather Husband Duchscherer, North Dakota Department of Health
Presentation: Linking Nutrients and SOD, Souris River TMDL (PDF) (39 pp, 1.7MB)

 

3:45 Cutler Reservoir's Phased TMDL for Nutrients & Dissolved Oxygen
Michael Allred, Utah Department of Environmental Quality
Presentation: Bear River-Cutler Reservoir TMDL (PDF) (24 pp, 2.1MB)

 

4:15 Convergence of the Clean Water Act and a Federal Civil Works Project – the Central and South Florida Project Canals
Kevin Carter, South Florida Water Management District
Presentation: The Clean Water Act and the Central and South Florida Project Canals (PDF) (27 pp, 2.36MB)
Concurrent Session 2B
TMDL Implementation
  Moderator: Amy Walkenbach, Illinois Environmental Protection Agency
3:15           Addressing Uncertainty in TMDL Implementation
Tom Davenport, US EPA Region 5
Presentation: Addressing Uncertainty in Watershed Management (PDF) (44 pp, 1.25MB)

 

3:45 Development of a Water Quality Trading Framework in Wisconsin for Phosphorus
Kevin Kirsch, Wisconsin Department of Natural Resources
Presentation: Development of a Water Quality Trading Framework in Wisconsin for Phosphorus (PDF) (38 pp, 1.1MB)

 

4:15 Grand Lake St. Mary's Lake Restoration
Russ Gibson, Ohio EPA and Tom Davenport , US EPA Region 5
Presentation: Implementing Grand Lake St. Marys Nutrient TMDL (PDF)  (28 pp, 2.5MB)

 

4:45 Adjourn

 


Day 3 - Thursday, February 17

8:30          
Opening Remark

Implementation Session
Moderator: Amy Walkenbach, Illinois Environmental Protection Agency


9:00 Point Source Reduction Strategies
Joh Kang, Tetra Tech
Presentation: Point Source Strategies for Nutrient Reduction (PDF) (37 pp, 977K)

 

9:30 Implementation Strategies for Reducing Nonpoint Source Nutrient Impacts
Russ Gibson, Ohio Environmental Protection Agency
Presentation: Implementation Strategies for reducing NPS Nutrient Impacts (PDF) (29 pp, 2.75MB)

 

10:00 eRAMS – A Tool to Integrate Point and Nonpoint Source Reduction Strategies
Dr. Mazdak Arabi, Colorado State University
Presentation: eRAMS - A Web-Technology for Conservation Planning and Watershed Management (PDF) (53 pp, 6.2MB)

 

10:30 Break
Multi-Jurisdictional Efforts
Moderator: Chris Lewicki, US EPA Headquarters
10:45           
Update from the Gulf of Mexico Alliance and the Mississippi River/Gulf of Mexico Nutrient Task Force
Kim Caviness, Mississippi Department of Environmental Quality
Presentation: Reducing Nutrient Impacts: Activities of the Gulf of Mexico Alliance and the Mississippi River/Gulf of Mexico Nutrient Task Force (PDF) (30 pp, 947K)

 

11:05 Multi-Jurisdictional TMDLs – Chesapeake Bay and Others
Mike Haire, US EPA Headquarters
Presentation: Developing Multijurisdictional TMDLs: An Update on the Effort to Develop a National Policy Memorandum (PDF) (31 pp, 959K)

 

11:45 Closing Remarks
John Goodin, US EPA Headquarters

 

12:00 
Adjourn Workshop


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