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Assessing the TMDL Approach to Water Quality Management (2001)

Chapter: Appendix A Guest Presentations at the First Meeting of the NRC Committee15 January 2426, 2001

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Suggested Citation:"Appendix A Guest Presentations at the First Meeting of the NRC Committee15 January 2426, 2001." National Research Council. 2001. Assessing the TMDL Approach to Water Quality Management. Washington, DC: The National Academies Press. doi: 10.17226/10146.
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Page 103
Suggested Citation:"Appendix A Guest Presentations at the First Meeting of the NRC Committee15 January 2426, 2001." National Research Council. 2001. Assessing the TMDL Approach to Water Quality Management. Washington, DC: The National Academies Press. doi: 10.17226/10146.
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Page 104

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Appendix A Guest Presentations at the First Meeting of the NRC Committee 15 January 24–26, 2001 Introduction to the TMDL Program: Current Status and Future Plans Don Brady, EPA Office of Water Congressional Request for the Study—Senate John Pemberton and Peter Washburn, Senate Committee on Environment and Public Works Congressional Request for the Study—House Susan Bodine, House Subcommittee on Water Resources and Environ- ment March 2000 GAO Report on Status of Water Quality Data Patricia McClure, General Accounting Office Environmental Perspective on the TMDL Program and this Study Nina Bell, Northwest Environmental Advocates State Perspectives on the TMDL Program and this Study Robbi Savage, Association of State and Interstate Water Pollution Con- trol Administrators Shawn McGrath, Western Governors’ Association EPA’s Pressing Science Issues for the TMDL Program Lee Mulkey and Tom Barnwell, EPA Office of Research and Develop- ment TMDL Case Studies Bruce Zander, EPA Region VIII Gail Mitchell, Bob Ambrose, and Tim Wool, EPA Region IV 15 The NRC committee does not necessarily agree with all the comments or tes- timony given but all were taken into account. 103

104 Assessing the TMDL Approach to Water Quality Management Water Environment Research Foundation Support of TMDL Re- search Dean Carpenter, Water Environment Research Foundation Paul Freedman, Limno-Tech, Inc. Kent Thornton, FTN & Associates Stakeholder Presentations Fred Andes, Federal Water Quality Coalition Doug Barton, National Council of the Paper Industry for Air and Stream Improvement Richard Bozek, Edison Electric Institute Faith Burns, National Cattleman’s Association John Cowan, National Milk Producers Federation Cynthia Goldberg, Gulf Restoration Network Jay Jensen, National Association of State Foresters Norman LeBlanc, Association of Metropolitan Sewerage Agencies Mike Murray, National Wildlife Federation Rick Parrish, Southern Environmental Law Center Rob Reash, American Electric Power and the Utility Water Act Group Dave Salmonsen, American Farm Bureau Federation

Next: Appendix B Biographies of the Committee Members and NRC Staff »
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Over the last 30 years, water quality management in the United States has been driven by the control of point sources of pollution and the use of effluent-based water quality standards. Under this paradigm, the quality of the nation's lakes, rivers, reservoirs, groundwater, and coastal waters has generally improved as wastewater treatment plants and industrial dischargers (point sources) have responded to regulations promulgated under authority of the 1972 Clean Water Act. These regulations have required dischargers to comply with effluent-based standards for criteria pollutants, as specified in National Pollutant Discharge Elimination System (NPDES) permits issued by the states and approved by the U.S. Environmental Protection Agency (EPA). Although successful, the NPDES program has not achieved the nation's water quality goals of "fishable and swimmable" waters largely because discharges from other unregulated nonpoint sources of pollution have not been as successfully controlled. Today, pollutants such as nutrients and sediment, which are often associated with nonpoint sources and were not considered criteria pollutants in the Clean Water Act, are jeopardizing water quality, as are habitat destruction, changes in flow regimes, and introduction of exotic species. This array of challenges has shifted the focus of water quality management from effluent-based to ambient- based water quality standards.

Given the most recent lists of impaired waters submitted to EPA, there are about 21,000 polluted river segments, lakes, and estuaries making up over 300,000 river and shore miles and 5 million lake acres. The number of TMDLs required for these impaired waters is greater than 40,000. Under the 1992 EPA guidance or the terms of lawsuit settlements, most states are required to meet an 8- to 13-year deadline for completion of TMDLs. Budget requirements for the program are staggering as well, with most states claiming that they do not have the personnel and financial resources necessary to assess the condition of their waters, to list waters on 303d, and to develop TMDLs. A March 2000 report of the General Accounting Office (GAO) highlighted the pervasive lack of data at the state level available to set water quality standards, to determine what waters are impaired, and to develop TMDLs.

This report represents the consensus opinion of the eight-member NRC committee assembled to complete this task. The committee met three times during a three-month period and heard the testimony of over 40 interested organizations and stakeholder groups. The NRC committee feels that the data and science have progressed sufficiently over the past 35 years to support the nation's return to ambient-based water quality management. Given reasonable expectations for data availability and the inevitable limits on our conceptual understanding of complex systems, statements about the science behind water quality management must be made with acknowledgment of uncertainties. This report explains that there are creative ways to accommodate this uncertainty while moving forward in addressing the nation's water quality challenges.

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