Water-quality assessment of the South Platte River Basin, Colorado, Nebraska, and Wyoming; analysis of available nutrient, suspended-sediment, and pesticide data, water years 1980-92

Dennehy, K. F.; Litke, D. W.; McMahon, P. B.; Heiny, J. S.; Tate, C. M.

Abstract:

Nutrient, suspended-sediment, and pesticide data from surface- and ground-water sites in the South Platte River Basin for water years 1980-92 were compiled, screened, and interpreted. This activity is part of the U.S. Geological Survey‘s National Water Quality Assessment (NAWQA) program. The analysis of existing water-quality data provides a perspective on recent water-quality conditions in the South Platte River Basin, evaluations of the strengths and weaknesses of available data, and implications for water-quality issues and future study priorities and design. Most data analyzed were collected by the U.S. Geological Survey. Additionally, data from three local agencies were used in the analysis. A total of 3,484 samples from 54 surface-water sites and 107 wells were used in the analysis. The areal distribution of nutrient samples collected from surface-water and ground-water sites were sufficient in number and areal distribution to describe current water- quality conditions throughout the basin, but data were not sufficient to analyze factors and processes affecting water quality. However, suspended- sediment and pesticide data were sparse in their distribution with respect to time, space, and flow regime, and were sufficient only to provide a preliminary description of conditions in the basin.

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USGS Numbered Series

ProdID:

25840

Citation Author:

Dennehy, K. F.; Litke, D. W.; McMahon, P. B.; Heiny, J. S.; Tate, C. M.

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ENGLISH

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vii, 145 p. :ill., maps ;28 cm.

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U.S. Geological Survey : USGS Earth Science Information Center, Open-File Reports Section [distributor],

Citation Series:

Water-Resources Investigations Report

Citation Series Code:

WRI

Citation Series Number:

94-4095

Citation Search Results Text:

Water-quality assessment of the South Platte River Basin, Colorado, Nebraska, and Wyoming; analysis of available nutrient, suspended-sediment, and pesticide data, water years 1980-92; 1995; WRI; 94-4095; Dennehy, K. F.; Litke, D. W.; McMahon, P. B.; Heiny, J. S.; Tate, C. M.