Tmdls
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Protocol For Developing Nutrient Tmdls
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Author :
language : en
Publisher:
Release Date : 1999
Protocol For Developing Nutrient Tmdls written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1999 with Nutrient pollution of water categories.
Clean Water Act And Pollutant Total Maximum Daily Loads Tmdls
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Author : Claudia Copeland
language : en
Publisher:
Release Date : 2012-11-02
Clean Water Act And Pollutant Total Maximum Daily Loads Tmdls written by Claudia Copeland and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-11-02 with categories.
Assessing The Tmdl Approach To Water Quality Management
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Author : National Research Council
language : en
Publisher: National Academies Press
Release Date : 2001-08-24
Assessing The Tmdl Approach To Water Quality Management written by National Research Council and has been published by National Academies Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2001-08-24 with Political Science categories.
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.
Tmdls
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Author : Jennifer Ruffolo
language : en
Publisher: DIANE Publishing
Release Date : 1999
Tmdls written by Jennifer Ruffolo and has been published by DIANE Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 1999 with Water categories.
TMDLs (Total Maximum Daily Loading) define how much of a pollutant a water body can tolerate on a daily basis & still meet the relevant water quality standards. All of the sources of the pollutant in the watershed combined, including non-point sources, are limited to discharging no more than that total limit. EPA is suing states to force them to produce TMDLs. A growing number of California's water bodies are either subject to consent decrees to develop TMDLs, or are the subject of notices of intent to file lawsuits that may have that outcome. This report addresses California's many problems in establishing TMDLs for its impaired water bodies.
The Future Of The Tmdl Program
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Author : United States. Congress. House. Committee on Transportation and Infrastructure. Subcommittee on Water Resources and Environment
language : en
Publisher:
Release Date : 2001
The Future Of The Tmdl Program written by United States. Congress. House. Committee on Transportation and Infrastructure. Subcommittee on Water Resources and Environment and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2001 with Science categories.
The National Costs To Develop Tmdls Draft Support Document 1 For The National Costs Of The Total Maximum Daily Load Program Draft Report
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Author :
language : en
Publisher: DIANE Publishing
Release Date :
The National Costs To Develop Tmdls Draft Support Document 1 For The National Costs Of The Total Maximum Daily Load Program Draft Report written by and has been published by DIANE Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on with categories.
Guidance For Water Quality Based Decisions
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Author :
language : en
Publisher:
Release Date : 1991
Guidance For Water Quality Based Decisions written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1991 with Water categories.
Mad River Tmdls For Sediment And Turbidity Comment Responsiveness Summary
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Author :
language : en
Publisher:
Release Date : 2007
Mad River Tmdls For Sediment And Turbidity Comment Responsiveness Summary written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007 with Sediment transport categories.
Tmdls In The Urban Environment
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Author : Stuart Stein
language : en
Publisher: Amer Society of Civil Engineers
Release Date : 2010
Tmdls In The Urban Environment written by Stuart Stein and has been published by Amer Society of Civil Engineers this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010 with Technology & Engineering categories.
The Environmental Protection Agency estimates that more than 40% of our assessed waters still do not meet the water quality standards that states, territories, and authorized tribes have set for them. These waters include approximately 300,000 miles of rivers and shorelines. It includes approximately 5 million acres of lakes polluted mostly by sediments, excess nutrients, and harmful microorganisms. At least 218 million people live within 10 miles of these impaired waters. TMDL (Total Maximum Daily Load) is defined by the EPA as, a calculation of the maximum amount of a pollutant that a body of water can receive and still meet water quality standards, and an allocation of that amount to the pollutants sources. TMDLs in the Urban Environment contains a variety of urban TMDL case studies that have been accepted by the appropriate state regulatory bodies. These TMDLs are examples of acceptable modeling, acceptable pollutant allocations, and in some cases, acceptable implementation plans. ASCE s Task Committee for Urban TMDLs presents this book to inform stakeholders of the expectations of permitting agencies, and to compel the best management practices and policy actions to meet these TMDLs.
The National Costs To Implement Tmdls
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Author :
language : en
Publisher: DIANE Publishing
Release Date : 2001
The National Costs To Implement Tmdls written by and has been published by DIANE Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2001 with Water categories.