South Fork Crow River Lakes TMDL Implementation Plan

This Total Maximum Daily Load (TMDL) study addresses a nutrient impairment in the South Fork Crow River lakes. The goal of this TMDL is to quantify the pollutant reductions needed to meet the state water quality standards for nutrients in Eagle, Oak, and Swede in Carver County, Minnesota. The South Fork Crow River Lakes TMDL for nutrients is being established in accordance with section 303(d) of the Clean Water Act, because the State of Minnesota has determined these waters in the South Fork Crow River watershed exceed the state established standards for nutrients. This TMDL provides wasteload allocations (WLAs) and load allocations (LAs) for three lakes in the South Fork Crow River watershed. The Minnesota Pollution Control Agency (MPCA) has recently approved new numeric standards which provide a new standard for both deep and shallow lakes. Based on these new state standards for nutrients, the TMDL establishes a numeric target of 60 ug/L total phosphorus concentration for all shallow lakes in the North Central Hardwood Forest ecoregion representing all the South Fork Crow River Lakes.
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Minnesota Water Research Digital Library
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Public Domain