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Home CCSU Theses & Dissertations A Baseline Microbiological Water Quality Study of the Western Subwatershed of the Eightmile River

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A Baseline Microbiological Water Quality Study of the Western Subwatershed of the Eightmile River

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Identifier	Thesis 1872
Author	LaFountain, Amy Melissa
Title	A Baseline Microbiological Water Quality Study of the Western Subwatershed of the Eightmile River
Publisher	Central Connecticut State University
Date	2006
Resource Type	Master's Thesis
Notes	Anthropogenic influences have significant deleterious impacts on the integrity of aquatic environments. Recent conservation efforts have been directed towards whole watershed management, whereby the quality of surface water is maintained through the use of 'best management' land uses throughout the entire drainage basin. The Wild and Scenic River program was established in hopes of protecting outstanding rivers from the effects of the ever-increasing urban sprawl. The program establishes a partnership between state and local officials, in order to form a workable management plan, which offers suggestions as to future watershed land use and conservation efforts. Subsequent management of the river is overseen by a representative from the National Park Service (NPS). The Eightmile River, which traverses the towns of East Haddam, Salem, and Lyme, Connecticut, is currently the focus of such designation. The goal of this study was to support the efforts of the Eightmile River Study Committee, and to provide a microbiological water quality baseline for future reference. Six collection sites were chosen to represent the western subwatershed of the Eightmile River. Sampling was conducted bi-weekly from June through November, 2005. Physical parameters such as conductivity, temperature, dissolved oxygen, and flow rate were recorded in situ. Three replicate water samples were collected from each site in pre-sterilized Nalgene bottles, and stored on ice. Upon returning to the laboratory, each sample was used in membrane filtration procedures for E. coli, fecal coliforms, and enterococci, as outlined by the United States Environmental Protection Agency (US EPA 2002a, US EPA 2002b). These results were complied and analyzed, in order to make inferences as to the current state of the watershed, as well as sources of negative inputs. Overall, the microbiological water quality of the six observed sites was found to be extremely high. All sites upheld the Class A criterion for recreational freshwaters set forth by the State of Connecticut Departments of Environmental Protection and Public Health (CT DEP 2003) with the exception of Site 5 on one occasion. A Class 'A' designation denotes that the water is safe for recreational uses, and is capable of supporting a diverse aquatic community. The Eightmile River is of very high microbiological and physical water quality, and is an appropriate candidate for the Wild and Scenic River program. It would be beneficial to repeat this study regularly in the future, in order to pinpoint non-point sources of pollution before they become significant issues.
Subject	Eightmile River (New London County and Middlesex County, Conn.) Water quality -- Connecticut
Department	Department of Biological Sciences
Advisor	Penniman, Clayton A.
Type	Text
Digital Format	application/pdf
Language	eng
OCLC number	713734923
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A Baseline Microbiological Water Quality Study of the Western Subwatershed of the Eightmile River

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