Low Flow Streams Conditions in Georgia

dc.contributor.author Nwogu, Peter C.
dc.contributor.author Booth, Elizabeth
dc.contributor.author McClelland, Bob
dc.contributor.author Burke, R.C. III
dc.contributor.corporatename Georgia. Environmental Protection Division en_US
dc.date.accessioned 2013-06-20T02:31:21Z
dc.date.available 2013-06-20T02:31:21Z
dc.date.issued 2007-03
dc.description Proceedings of the 2007 Georgia Water Resources Conference, March 27-29, 2007, Athens, Georgia. en_US
dc.description.abstract In Georgia, there are low flow streams that receive high quality domestic treated wastewater due to the increasing urban development. Municipal and industrial water pollution control plants (WPCP) often request a waste load allocation (WLA) evaluation for a discharge of treated wastewater to low flow surface waters, under the National Pollutant Discharge Elimination Systems (NPDES) permit of the Clean Water Act1. A response to a WLA request requires an examination of whether or not there is enough water, in the context of 7Q10 and the physical, chemical and biological factors of the receiving stream. Other factors evaluated include the existing assimilative capacity, permitted upstream and downstream discharges, (305(b) and 303(d) lists, the overall headwater areas, critical temperature, total maximum daily loads issues, (TMDL) and the hydrology of the watershed. This paper discusses some of the considerations and challenges associated with determining whether a given stream, with low flow conditions, can assimilate the requested organic and nutrient waste loads. The significance of this discussion is to assist industries and municipalities in factoring in the physical and chemical instream constraints in their planning for urban development and sitting of point source discharges. Information to consider includes low flow streams conditions in the context of 7Q10, and temperature used in developing water quality models for waste load allocation. This presentation will show how the headwater 7Q10, and the critical temperatures vary in the physiographic river basin regions of the mountains, Piedmont, upper coastal and lower coastal plains. Low flow conditions in the coastal plains present greater modeling challenges than in the mountains and Piedmont regions in terms of allocating the amount of organic and nutrient loads in treated waste water discharges to low flow stream. en_US
dc.description.sponsorship Sponsored and Organized by: U.S. Geological Survey, Georgia Department of Natural Resources, Natural Resources Conservation Service, The University of Georgia, Georgia State University, Georgia Institute of Technology en_US
dc.description.statementofresponsibility This book was published by the Institute of Ecology, The University of Georgia, Athens, Georgia 30602-2202. The views and statements advanced in this publication are solely those of the authors and do not represent official views or policies of The University of Georgia, the U.S. Geological Survey, the Georgia Water Research Institute as authorized by the Water Resources Research Act of 1990 (P.L. 101-397) or the other conference sponsors.
dc.embargo.terms null en_US
dc.identifier.uri http://hdl.handle.net/1853/47837
dc.language.iso en_US en_US
dc.publisher Georgia Institute of Technology en_US
dc.relation.ispartofseries GWRI2007. Hydrology en_US
dc.subject Water resources management en_US
dc.subject Low flow streams en_US
dc.subject Waste load allocation en_US
dc.subject Water pollution en_US
dc.subject Waste loads en_US
dc.title Low Flow Streams Conditions in Georgia en_US
dc.type Text
dc.type.genre Proceedings
dspace.entity.type Publication
local.contributor.corporatename Georgia Water Resources Institute
local.contributor.corporatename School of Civil and Environmental Engineering
local.contributor.corporatename College of Engineering
local.relation.ispartofseries Georgia Water Resources Conference
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relation.isSeriesOfPublication e0bfffc9-c85a-4095-b626-c25ee130a2f3
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