Engineering Aspects of Point Versus Nonpoint Sources of Groundwater Pollutionby J. David Dean, Woodward-Clyde Consultants, Walnut, Creek, CA, USA,
David R. Gaboury, Woodward-Clyde Consultants, Walnut, Creek, CA, USA,
Abstract: Pollution of groundwater may occur due to a number of sources. These may be categorized into point and nonpoint sources of contamination. The purpose of this paper is to explore the issues associated with the engineering aspects of these two source types. The paper begins by giving a brief historical perspective on why these sources of contamination have come into existence. Next, point versus nonpoint sources are defined and the motivation for making a distinction between them is stated. The remainder of the paper discuss the engineering issues associated with prediction and control of pollutant loadings from these sources to groundwater.
Subject Headings: Groundwater pollution | Nonpoint pollution | Point source pollution | Motivation | Pollutants | Load factors
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