The U.S. Environmental Protection Agency (EPA) has agreed to drop a flow-based surrogate from the total maximum daily load (TMDL) for Hinkson Creek, Mo. This move indicates that EPA may drop this approach from future national policy plans. The settlement came after a lawsuit filed by the Missouri Department of Natural Resources; Boone County, Mo.; the City of Columbia, Mo.; and the University of Missouri. Read more about the original case.