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| Oklahoma Water Science Center |
By Jamie L. Schlottmann
Water-Resources Investigations Report 2000-4238
This report is available as a pdf.
The Norman Landfill was selected for study as part of the U.S.Geological Survey Toxic Substances Hydrology Program in 1994. The landfill islocated south of the City of Norman on alluvial deposits of the Canadian River. Type of waste deposited in the landfill from 1922 to 1973 was largely unrestricted and may include substance snow recognized as hazardous. Dissolved and suspended substances leached from wastes in the closed and capped landfill are now in ground water extending toward the Canadian River as a plume of leachate.
Water samples were collected from two stock wells, onedomestic well, temporary drive-point wells, the Canadian River, and a small intermittent stream hydraulically down gradient of the capped landfill known as the slough. Most constituent concentrations were greater in groundwater down gradient from the capped landfill than in background ground water and were greater in the slough than in the Canadian River. Concentrations of most constituents in the Canadian River, other than sulfate, manganese, and iron, were similar to concentrations in back-ground ground water.
Some constituents measured in ground-water for this investigation are potential in dicators of leachate contamination. Potential indicators that could be used to differentiate leachate contaminated water from uncontaminated ground water of the alluvial aquifer include specific conductance, chloride, alkalinity, dissolved organic carbon, boron, anddD. Specific conductance and chloride were greater in water from wells down gradient of the landfill than water from background wells. Dissolved organic carbon and boronal so were greater in the leachate contaminated ground water than in background ground water.
Abstract
Introduction
Purpose and Scope
Description of the Norman Landfill Area
Hydrogeologic setting
Site History
Acknowledgments
Method of Investigation
Selection of Sampling Sites
Quality Assurance
Sample Collection and Preservation
Analytical Methods
Statistical Method
Quality Assurance Results
Ground- and Surface-Water Chemistry
Physical Properties
Major Ions
Nutrients
Organic Carbon
Iron and Manganese
Trace Elements
Stable isotopes
Indicators of the Leachate Plume
Summary
Selected References
This report is available as a pdf. (3.1MB)
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For information about water-resource studies in the State of Oklahoma, please visit our Web site at http://ok.water.usgs.gov/.
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