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The Impacts of River Impoundment: A Case Study of H. Neely Henry Lake in Northeast Alabama

Dam building is one of the methods that modern civilization uses in an attempt to harness the power of nature. These dams and the impoundments associated with them can contribute numerous positive impacts to the surrounding human population. Unfortunately, there are negative impacts as well. This research focuses on one impoundment in particular, H. Neely Henry Lake in northeast Alabama (an impoundment of the Coosa River). Site-specific information regarding the H. Neely Henry development is explored including area geography, history, and the formation of the Alabama Power Company the agency responsible for H. Neely Henry and other Coosa River dams. The benefits of H. Neely Henry dam are then evaluated. These include the availability of hydroelectric power, reduced flooding, and abundant recreational opportunities. There was a significant impact on the human population associated with the region. Among other things, vast land loss occurred regarding the raising of the water level. Analysis was then conducted regarding the impoundments effects upon the local population and economy. It is difficult to determine any impact the formation of H. Neely Henry Lake had on local population and economy. Some positive environmental impacts of the impoundment include decreased flooding and increased habitat/food supply for some fish species. Some negative impacts include shoreline erosion, retention of upstream pollutants like PCBs, and decline of organisms requiring a free-flowing river to survive (particularly migratory fish). A section analyzing related research is included which discusses the Tennessee-Tombigbee (Tenn-Tom) Waterway. The Tenn-Tom is a U.S. Army Corps of Engineers impoundment system located in the same watershed. Also discussed in this section is the fight over water resources in the Coosa River between the states of Alabama and Georgia. The overall results of the thesis are discussed including an evaluation of the NEPA process as it could relate to the Coosa River projects and the H. Neely Henry development specifically. Conclusions and recommendations follow. Among other things, it is suggested that Coosa River projects may have had a difficult time gaining acceptance if they had been subject to modern environmental statutes such as the Clean Water Act and NEPA.

Identiferoai:union.ndltd.org:LSU/oai:etd.lsu.edu:etd-10312008-085847
Date04 November 2008
CreatorsEstis, Willis Scott
ContributorsMichael Wascom, Margaret Reams, John Pine
PublisherLSU
Source SetsLouisiana State University
LanguageEnglish
Detected LanguageEnglish
Typetext
Formatapplication/pdf
Sourcehttp://etd.lsu.edu/docs/available/etd-10312008-085847/
Rightsunrestricted, I hereby certify that, if appropriate, I have obtained and attached herein a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee. I hereby grant to LSU or its agents the non-exclusive license to archive and make accessible, under the conditions specified below and in appropriate University policies, my thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.

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