Pesticide distributions in surface water
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Abstract
The distribution of pesticide concentrations at two study sites points to herbicides that may affect management of public water supplies.
Distributions of concentrations of 46 pesticides were documented from May 1992 through March 1994 for Maple Creek near Nickerson, Neb., and Platte River at Louisville, Neb. As their source of public water supplies, Lincoln and the western part of Omaha withdraw groundwater from the adjacent alluvium near the Platte River site, which is hydraulically connected to the Platte River. Organonitrogen herbicides dominated the pesticide distributions at each site. Variations in the distributions of pesticides at the two sites partly reflect differences in land use and land management practices. Diazinon, an insecticide used in urban areas, was commonly detected at the Platte River site but not at the Maple Creek site. Of the 46 pesticides analyzed at the Platte River site, the herbicides atrazine and alachlor were more likely to exceed their respective maximum contaminant levels of 3.0 and 2.0 μg/L; cyanazine was more likely to exceed the health advisory level of 1.0 μg/L.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Pesticide distributions in surface water |
| Series title | Journal - American Water Works Association |
| DOI | 10.1002/j.1551-8833.1996.tb06649.x |
| Volume | 88 |
| Issue | 11 |
| Year Published | 1996 |
| Language | English |
| Publisher | American Water Works Association |
| Description | 9 p. |
| First page | 79 |
| Last page | 87 |
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