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Effects of Sanitary Sewers on Ground-Water Levels and Streams in Nassau and Suffolk Counties, New York, Part 1: Geohydrology, Modeling Strategy, and Regional Evaluation

Description: From purpose and scope: This report is the first in a three-part series describing the U.S. Geological Survey's efforts in the detailed hydrologic investigation of southern Nassau and southwest Suffolk Counties, which includes a ground-water modeling study to predict the effects of an extensive sewer network scheduled to be completed in 1985. As the introduction to the series, this report has four objectives: (1) to present a detailed description of the hydrologic system in the area, including … more
Date: 1983
Creator: Reilly, Thomas E.; Buxton, Herbert T.; Franke, O. L. & Wait, R. L.
Partner: UNT Libraries Government Documents Department
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Geology of the "20-Foot" Clay and Gardiners Clay in Southern Nassau and Southwestern Suffolk Counties, Long Island, New York

Description: Purpose and scope: This report depicts in detail the areal extent, altitude, thickness, and lithology of the "20-foot" clay and Gardiners Clay (the two thickest and most extensive near-surface confining layers in the area) and redefines the surface of the geologic units that directly underlie these clay units at various locations--the Matawan Group-Magothy Formation, undifferentiated, the Monmouth Group, and the Jameco Gravel.
Date: 1983
Creator: Doriski, Thomas P. & Wilde-Katz, Franceska
Partner: UNT Libraries Government Documents Department
open access

Monthly Fluctuations in the Quality of Ground Water Near the Water Table in Nassau and Suffolk Counties, Long Island, New York

Description: This report presents the results of water sampling in two New York counties and concludes that the possibly cause of fluctuations of chloride, sulfate, and nitrate in the water are "precipitation, lawn fertilizer, dissolved salts from storm runoff, and effluent from septic tanks and cesspools." This report also includes a number of maps and graphs.
Date: August 1978
Creator: Katz, Brian G.; Ragone, Stephen E. & Linder, Juli B.
Partner: UNT Libraries Government Documents Department
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