Water: Total Maximum Daily Loads (303d)
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Laws & RegulationsLaws & Executive OrdersClean Water ActTotal Maximum Daily Loads (303d)Nutrient TMDL Workshop
Laws & RegulationsLaws & Executive OrdersClean Water ActTotal Maximum Daily Loads (303d)Nutrient TMDL WorkshopNutrient TMDL Workshop
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Agenda
Day 1 - Tuesday, Feb 15
| 8:00 | Registration |
| 8:30 | Welcome |
| 8:45 | Workshop 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
Programmatic and Scientific Background
Moderator: Mike Haire, US EPA HQ
| 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 (PDF) (37 pp, 669K)
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| 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)
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| 10:15 |
Questions and Answers |
| 10:30 |
Break |
Overview Session 2
Nutrient Criteria Development
Moderator: Mike Haire, US EPA HQ
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)
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| 12:15– 1:30 |
Lunch on your own |
Listing Session 1
Assessing and Listing Nutrient Impairments
Moderator: Kim Caviness, Mississippi Department of Environmental Quality
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)
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| 2:20 | Stressor Identification Jeffery Frithsen, US EPA Headquarters Presentation: Stressor Identification (PDF) (36 pp, 3.6MB)
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| 3:00 | Discussion, Questions and Answers
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| 3:30 |
Break |
TMDL Session 1
Overview of the Existing Methods for Nutrient TMDL Development
Moderator: Kim Caviness, Mississippi Department of Environmental Quality
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)
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| 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)
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| 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
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)
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| 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)
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| 9:30 | Pennsylvania Nutrient TMDLs – Using a Weight of Evidence Approach Elizabeth Gaige, US EPA Region 3
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| 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)
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| 10:30 | Break
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| 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)
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| 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)
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| 11:45 | Panel Discussion
|
| 12 – 1 | Lunch |
Concurrent Session 1A
TMDL Modeling Applications
Moderator: Joni Nuttle, Colorado Department of Public Health & Environment
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)
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| 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)
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| 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)
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| 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
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)
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| 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)
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| 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)
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| 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)
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| 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)
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| 3:00 | Break |
Concurrent Session 2A
Technical and Regulatory Issues in TMDL Development
Moderator: Joni Nuttle, Colorado Department of Public Health & Environment
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)
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| 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)
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| 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
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)
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| 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)
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| 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)
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| 4:45 | Adjourn
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Day 3 - Thursday, February 17
| 8:30 |
Opening Remark
Implementation Session |
| 9:00 | Point Source Reduction Strategies Joh Kang, Tetra Tech Presentation: Point Source Strategies for Nutrient Reduction (PDF) (37 pp, 977K)
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| 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)
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| 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)
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| 10:30 | Break |
Multi-Jurisdictional Efforts
Moderator: Chris Lewicki, US EPA Headquarters
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)
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| 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)
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| 11:45 | Closing Remarks John Goodin, US EPA Headquarters
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| 12:00 |
Adjourn Workshop |