Agricultural chemicals in Iowa's ground water, 1982-95: What are the trends?
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Abstract
The Iowa Department of Natural Resources. Geological Survey Bureau: the University of Iowa Hygienic Laboratory; and the U.S. Geological Survey (USGS) have been working together to address this question. As part of the Iowa Ground-Water Monitoring Program (IGWM). water samples have been collected from selected Iowa municipal wells since 1982. An examination of this data identified two trends: (1) concentrations of atrazine in Iowa's ground water generally were decreasing over time, and (2) concentrations of metolachlor generally were increasing. Continuing ground-water sampling can determine if these trends represent long-term changes in chemical concentrations.
Study Area
Publication type | Report |
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Publication Subtype | USGS Numbered Series |
Title | Agricultural chemicals in Iowa's ground water, 1982-95: What are the trends? |
Series title | Fact Sheet |
Series number | 116-97 |
DOI | 10.3133/fs11697 |
Year Published | 1997 |
Language | English |
Publisher | U.S. Geological Survey |
Publisher location | Reston, VA |
Contributing office(s) | Iowa Water Science Center, Toxic Substances Hydrology Program |
Description | 3 p. |
Country | United States |
State | Iowa |
Online Only (Y/N) | N |
Additional Online Files (Y/N) | N |
Google Analytic Metrics | Metrics page |