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Benthic Macroinvertebrate Analysis

Many benthic macroinvertebrates are relatively sessile in their life cycle within a water matrix. Assemblages of benthic macroinvertebrates are made up of species that have a broad range of trophic levels and pollution tolerances. Using these known facts, a benthic macroinvertebrate analysis can give an assessment of site-specific impacts of point and non-point pollution within the aquatic environment. This analysis is an excellent tool for monitoring total maximum daily loads (TMDLs), watershed and water quality studies. Benthic macroinvertebrate analysis follows USEPA procedures in Rapid Bioassessment Protocols for Use in Wadeable Streams and Rivers, second edition. 

Analysis Request Form (pdf)


Barbour, M.T., J. Gerritsen, B.D. Snyder, and J.B. Stribling.1999. Rapid Bioassessment Protocols for Use in Streams and Wadeable Rivers: Periphyton, Benthic Macroinvertebrates and Fish, Second Edition. EPA 841-B-99-002. U.S. Environmental Protection  Agency; Office of Water; Washington, D.C.



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Last modified: June 11, 2007