Dinkins Biological Consulting (DBC) is a small, woman-owned environmental consulting company located in east Tennessee specializing in the survey for and identification of aquatic and terrestrial organisms...
We offer a number of different services including endangered fish, mussel, crawfish and snail surveys, Freshwater Benthic macroinvertebrate surveys, marine benthic invertebrate collection, sample processing and identifications ...
Dinkins Biological has been privileged to provide services to numerous companies throughout the United States, let our expertise give you comfort with any environmental questions you may have, call us today.

You can rely on us!

Success is liking yourself, liking what you do, and liking how you do it.

Professional Testing Equipment

DBC owns and maintains a wide variety of freshwater and marine aquatic sampling equipment, including boats, skin and SCUBA equipment, fish shockers, and macroinvertebrate sampling devices. DBC has performed underwater surveys for freshwater mussels in large rivers across the Southeast, using multiple divers equipped with wireless underwater communication.

The DBC laboratory includes all necessary equipment to sort and identify freshwater, estuarine, and marine fish and benthic macroinvertebrate samples. DBC staff includes Barbara and Gerald Dinkins and several mid-level biologists and biological technicians.

Leading Experts

DBC has worked alongside the U.S. Fish and Wildlife Service, U.S. Environmental Protection Agency, U.S. Forest Service, National Park Service, and the U.S. Geological Survey. DBC has also worked with several state agencies, including the Tennessee Wildlife Resources Agency, North Carolina Game and Fish Commission, Georgia Department of Natural Resources, and the Virginia Department of Game and Inland Fisheries.


We love & know what we do!

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Recent Projects

Latest news & events

Saturn Corporation

Saturn Corporation Spring Hill, TN (1986-2007) Dinkins Biological Consulting was contracted to perform biological and water quality studies at the Saturn facility near Spring Hill, TN. In these studies, fish, benthic macroinvertebrate, and surface water samples were collected from three reaches on Carters Creek, two reaches on Titan Creek, and one reach on West Fork…

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Obed River at Potters Ford Bridge

Obed River at Potters Ford Bridge Catoosa Wildlife National Management Area, TN Construction of a new bridge over the Obed River at Potters Ford in the Catoosa Wildlife National Management Area required an endangered mussel survey. Published and unpublished records indicated the historical existence of the endangered mussels, Purple bean (Villosa perpurpurea) and Cumberland bean…

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Federally Protected Mussel Survey in Line Creek

Federally Protected Mussel Survey in Line Creek Fayette/Coweta Co., GA Peachtree City’s Airport (Falcon Field) lies within the Line Creek water-shed. Two small, unnamed streams flow through the airport property and drain into Line Creek. Historically, Line Creek had an abundant and diverse mussel fauna, composed of approximately 25 species including three species designated as…

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