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Appraisal of data for ground-water quality in Nebraska

Water Supply Paper 2245
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https://doi.org/10.3133/wsp2245

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Abstract

This report summarizes existing data for groundwater quality in Nebraska and indicates their adequacy as a data base. Analyses have been made of water from nearly 10,000 wells by 8 agencies. Those analyses that meet reliability criteria have been aggregated by geologic source of water into four principal aquifer groupings--Holocene-Pleistocene aquifers, Tertiary aquifers, Mesozoic aquifers, and Paleozoic aquifers. For each aquifer grouping, data for specific conductance and 24 constituents in the water are summarized statistically. Also, diagrams are presented showing differences in statistical parameters, or in chemical composition, of water from the different aquifer groupings. Additionally, for each grouping except Paleozoic aquifers, maps show ranges in concentration of dissolved solids, calcium, alkalinity, and sulfate. In areas where data are insufficient to delimit, ranges in concentration also are shown on the maps. Point-source contamination has been identified at 41 locations and nonpoint-source contamination in 3 areas, namely, the central Platte Valley, Holt County, and Boyd County. Potential for nonpoint-source contamination exists in 10 major areas, which together comprise more than one-third of the State. Existing data are mostly from specific projects having limited areas and objectives. Consequently, a lack of data exists for other areas and for certain geologic units, particularly the Mesozoic and Paleozoic aquifers. Specific data needs for each of the four principal aquifer groupings are indicated in a matrix table.
Publication type Report
Publication Subtype USGS Numbered Series
Title Appraisal of data for ground-water quality in Nebraska
Series title Water Supply Paper
Series number 2245
DOI 10.3133/wsp2245
Edition -
Year Published 1984
Language ENGLISH
Publisher U.S. G.P.O. ; For sale by the Distribution Branch, U.S. Geological Survey,
Description iv, 54 p. :ill. (some col.), maps (some col.) ;28 cm.
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