The Goose Creek watershed covers 386 square miles in Loudoun and Fauquier Counties on the edge of the Washington, DC metropolitan area. The watershed is still primarily rural although development is occurring rapidly in the vicinity of Leesburg. Virginia's Department of Environmental Quality (DEQ) has found that the lower mainstem of Goose Creek and six of its tributaries do not meet water quality standards because of high observed levels of fecal coliform bacteria. DEQ also found that the benthic macroinvertabrate communities in the lower mainstem of Goose Creek and one of its tributaries are impaired. ICPRB has assisted DEQ by developing TMDLs for the lower Goose Creek and the six tributaries impaired by fecal coliform bacteria, and ICPRB is working with DEQ to develop TMDLs to address the benthic impairments in the watershed.
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