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Nutrient TMDL Workshop

The following tables document the agenda of the workshop along with presentation materials.

Day 1 - Tuesday, February 15

Time	Session
8:00	Registration
8:30	Welcome
8:45	Workshop Purpose and Goals Menchu Martinez, US EPA Headquarters and Jim Ruppel, US EPA Region 8
9:00	Overview Session 1: Programmatic and Scientific Background Moderator: Mike Haire, US EPA Headquarters
10:30	Break
10:45	Overview Session 2: Nutrient Criteria Development Moderator: Mike Haire, US EPA Headquarters
*12:15*	*Lunch on your own*
1:30	Listing Session 1: Assessing and Listing Nutrient Impairments Moderator: Kim Caviness, Mississippi Department of Environmental Quality
*3:30*	*Break*
3:45	TMDL Session 1: Overview of the Existing Methods for Nutrient TMDL Development Moderator: Kim Caviness, Mississippi Department of Environmental Quality
5:00	Adjourn

Overview Session 1: Programmatic and Scientific Background

Time	Session
9:00	Nutrient 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
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
10:15	Questions and Answers

Overview Session 2: Nutrient Criteria Development

Time	Session
10:45	Nutrient Criteria: National Overview/Recent Developments/Look to the Future Dana Thomas, US EPA Headquarters Presentation: Status of Numeric Nutrient Criteria Development
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

Listing Session 1: Assessing and Listing Nutrient Impairments

Time	Session
1:30	Results of the National Survey Sarah Lehmann, US EPA Headquarters Presentation: The National Aquatic Resource Surveys (NARS) Nutrient Results
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
2:20	Stressor Identification Jeffery Frithsen, US EPA Headquarters Presentation: Stressor Identification
3:00	Discussion, Questions and Answers

TMDL Session 1: Overview of the Existing Methods for Nutrient TMDL Development

Time	Session
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)
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

Day 2 - Wednesday, February 16

Time	Session
8:30	Opening Remarks
8:45, 10:45	TMDL Session 2: Setting Nutrient Targets Moderator: Tom Stiles, Kansas Department of Health
10:30	Break
12:00	Lunch
1:00	Concurrent Session 1A: TMDL Modeling Applications Moderator: Joni Nuttle, Colorado Department of Public Health & Environment
1:00	Concurrent Session 1B: State Approaches to Nutrient TMDLs Moderator: Mark Osborn, Missouri DNR
*3:00*	*Break*
3:15	Concurrent Session 2A: Technical and Regulatory Issues in TMDL Development Moderator: Joni Nuttle, Colorado Department of Public Health & Environment
3:15	Concurrent Session 2B: TMDL Implementation Moderator: Mark Osborn, Missouri DNR
4:45	Adjourn

TMDL Session 2: Setting Nutrient Targets

Time	Session
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
9:00	Setting Water Quality Targets for Phosphorus and Nitrogen Michael Paul, Tetra Tech Presentation: Setting Water Quality Targets for Nitrogen and Phosphorus
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
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
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
11:45	Panel Discussion

Concurrent Session 1A: TMDL Modeling Applications

Time	Session
1:00	Nutrient Modeling Overview Dr. Mazdak Arabi, Colorado State University Presentation: Nutrient Modeling Overview
1:45	Using Load Duration Curves in Nutrient TMDLs Bruce Cleland, Tetra Tech Presentation: Nutrient TMDLs: Using Duration Curves to Develop Nutrient TMDLs
2:05	Water Quality Modeling – Technical Applications Using Mechanistic Models Tim Wool, US EPA Region 4 Presentation: Mechanistic Models in Nutrient TMDL Development
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

Concurrent Session 1B: State Approaches to Nutrient TMDLs

Time	Session
1:00	Nutrient TMDLs Issues in Kentucky Andrea Fredenburg, Kentucky Division of Water Presentation: Nutrient TMDL Issues in Kentucky
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
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)
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
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

Concurrent Session 2A: Technical and Regulatory Issues in TMDL Development

Time	Session
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
3:45	Cutler Reservoir's Phased TMDL for Nutrients & Dissolved Oxygen Michael Allred, Utah Department of Environmental Quality Presentation: Bear River-Cutler Reservoir TMDL
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

Concurrent Session 2B: TMDL Implementation

Time	Session
3:15	Addressing Uncertainty in TMDL Implementation Tom Davenport, US EPA Region 5 Presentation: Addressing Uncertainty in Watershed Management
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
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

Day 3 - Thursday, February 17

Time	Session
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
9:30	Implementation Strategies for Reducing Nonpoint Source Nutrient Impacts Russ Gibson, Ohio Environmental Protection Agency Presentation: Implementation Strategies for reducing NPS Nutrient Impacts
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
10:30	*Break*
10:45	Multi-Jurisdictional Efforts Moderator: Chris Lewicki, US EPA Headquarters
11:45	Closing Remarks John Goodin, US EPA Headquarters
*12:00*	*Adjourn Workshop*

Multi-Jurisdictional Efforts

Time	Session
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
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

Presentation Documents