Nitrate Contamination of an Alluvial Aquifer Resulting from Irrigation and Geologic Control

by Victor Hasfurther, Univ of Wyoming, Laramie, United States,
Gary Parks, Univ of Wyoming, Laramie, United States,
David Foster, Univ of Wyoming, Laramie, United States,
Thomas Edgar, Univ of Wyoming, Laramie, United States,



Document Type: Proceeding Paper

Part of: Management of Irrigation and Drainage Systems: Integrated Perspectives

Abstract: A nitrate sampling program was conducted in the vicinity of a rural municipality to determine the source of nitrate contamination of the municipal groundwater supply. A finite-difference groundwater modeling program was used to determine the direction of groundwater flow in the area. Results indicate that nitrate contaminated groundwater is directed preferentially towards the municipal wellfield area by unique geologic features in the area.

Subject Headings: Nitrates | Groundwater pollution | Local government | Groundwater supply | Geology | Rural areas | Finite difference method | Hydrologic models

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