Illinois Administrative Code
Title 35 - ENVIRONMENTAL PROTECTION
Part 301 - INTRODUCTION
Section 301.411 - Total Maximum Daily Load

Current through Register Vol. 48, No. 12, March 22, 2024

"Total Maximum Daily Load" or "TMDL" is the sum of the individual wasteload allocations for point sources and load allocations for nonpoint sources and natural background, as more fully defined at 40 CFR 130.2(i). A TMDL sets and allocates the maximum amount of a pollutant that may be introduced into a water body and still assure attainment and maintenance of water quality standards.

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