Total Maximum Daily Load (TMDL): Application To Benthic
Impairments
Author(s)
T. Younos & J. Walker
Abstract
Total Maximum Daily Load (TMDL): application
to benthic impairments
T. Younos & J . Walker
Virginia Water Resources Research Center,
Virginia Polytechnic Institute and State University, United States.
Abstract
In 1972, the United States' Clean Water Act established the regulatory concept of the
Total Maximum Daily Load (TMDL) for impaired waters. TMDL is a calculation
process that determines the maximum pollutant load a receiving water body can
assimilate without causing water quality impairments with respect to established
water quality standards. Streams with impairments must undergo a TMDL. Thls
paper describes the TMDL concept, monitoring needs to conduct a benthic TMDL,
and uncertainties with the benthic TMDL process. A case study of benthic TMDLs
conducted by the authors is used as an example. The application of a Use
Attainability Analysis (UAA) as a prior step in the TMDL process is presented.
TMDL concept
The United States' Clean Water Act was signed into law in 1972 to restore and
m
Keywords
Related Book
Other papers in this volume
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