Ground Water Sensitivity and Vulnerability to Pesticides, Morgan Valley, Morgan County, Utah

Front Cover

This 23-page report and two maps at scale 1:87,000 in PDF format, addresses ground-water sensitivity and vulnerability to pesticides for the Morgan Valley area in Morgan County.

The U.S. Environmental Protection Agency has recommended that states develop Pesticide Management Plans for four agricultural chemicals - alachlor, atrazine, metolachlor, and simazine - used in Utah as herbicides in the production of corn and sorghum, and to control weeds and undesired vegetation (such as along right-of-ways or utility substations). This report and accompanying maps are intended to be used as part of these Pesticide Management Plans to provide local, state, and federal government agencies and agricultural pesticide users with a base of information concerning sensitivity and vulnerability of ground water in the basin-fill aquifer (bedrock is not evaluated) to agricultural pesticides in Morgan Valley, Morgan County, Utah. We used existing data to produce pesticide sensitivity and vulnerability maps by applying an attribute ranking system specifically tailored to the western United States using Geographic Information System analysis methods.


23 pages + 2 plates

 

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Contents

INTRODUCTION
1
Maximum contaminant levels for pesticides in drinking water
4
Hydrologic soil groups field capacity bulk density and fraction of organic carbon content generalized for Utah soils
11
RESULTS
15
Irrigated and nonirrigated cropland in Morgan Valley
21
Copyright

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