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Gregory Reed

Gregory Reed

Emeritus Professor


Reed is a registered professional engineer in Tennessee, and has certification as a diplomat of environmental engineering. He teaches both undergraduate and graduate courses, has conducted over 40 research projects in various aspects of environmental engineering and has over 60 publications.


Physical, chemical and biological unit processes to treat hazardous and non-hazardous waste; mass transfer operations; system design and optimization.


PhD from the University of Arkansas

Professional Service

Reed is a Trustee of the American Academy of Environmental Engineers, a Director of the Tennessee Society of Professional Engineers, and a Trustee of the Association for the Preservation of Tennessee Antiquities. He is past-chair of the American Society of Civil Engineers Environmental Engineering Division and of the Department Heads Council.

Awards and Recognitions

Reed has received awards from the American Society of Civil Engineers, American Water Works Association, Tennessee Society of Professional Engineers, and University of Tennessee.


Díaz-Robles, L.A., Fu, J.S., Reed, G.D., DeLucia, A.J., Cerda, C., “Seasonal Distribution and Modeling of Diesel Particulate Matter in the Southeast US”, Environment International Journal, 35:956 (2009).

Díaz-Robles, L.A., Ortega, J.C., Fu, J.S., Reed, G.D., Judith C. Chow, J.C., Watson, J.G. and Moncada-Herrera, J.A., “A Hybrid ARIMA and Artificial Neural Networks Model to Forecast Particulate Matter in Urban Areas: The Case of Temuco”, Chile, Atmospheric Environment, 11:42:8331 (2008).

Diaz-Robles, L.A., Fu, J.S., and Reed, G.D., “Modeling and Source Apportionment of Diesel Particulate Matter”, Environment International, July (2007).

Moreno, P. A. and Reed, G. D., “Evaluation of the Operating Performance of Conventional versus Flocculator Secondary Clarifiers at the Kuwahee WWTP”, Journal Water Environment Research , 79:5:547 (2007).

Girardot, S.P., Ryan, P.B., Smith, S.M., Davis, W.T., Hamilton, C.B., Obenour, R.A., Renfro, J.R., Tromatore, K.A., and Reed, G.D., “Ozone and PM2.5 Exposure and Acute Pulmonary Health Effects: A Study of Hikers in the Great Smoky Mountains National Park”, Environmental Health Perspectives , 114:7:1 (2006).

Tonn, B.E., Peretz, J.H., Reed, G.D., and Diaz, L.A., “Ozone Concentrations Around the Great Smoky Mountains”, Futures Research Quarterly , 21:3:56 (2005).

Peretz, J.H., Tonn, B.E., Reed, G.D., and Diaz, L.A., "Using Scenarios to Assess the Impact of Air Pollution in the Great Smoky Mountains National Park," Public Works Management & Policy, 10:2:170, (2005).

Gregory Reed

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