Virginia Cooperative ExtensionBenham, Brian L.Walker, Jane L.Yagow, Eugene R.2014-04-212014-04-212009-05-01http://hdl.handle.net/10919/47486"Benthic" refers to the aquatic organisms living in or on the bottom of a body of water. Waters in which the benthic community is degraded violate Virginia's water quality standard and are considered to have "benthic impairment." publication explains how benthic impairments are determined and how this relates to the TMDL process.5 pagesapplication/pdfen-USVirginia Cooperative Extension materials are available for public use, re-print, or citation without further permission, provided the use includes credit to the author and to Virginia Cooperative Extension, Virginia Tech, and Virginia State University.Natural ResourcesEnvironmental QualityWater quality biological assessment -- VirginiaWater -- Pollution -- Total maximum daily load -- VirginiaExtension publicationhttp://pubs.ext.vt.edu/442/442-556/442-556_pdf.pdfWater qualityBenthosWater pollution