Inputs of the Dormant-Spray Pesticide, Diazinon, to the San Joaquin River, California, February 1993
Fact Sheet
133-95
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Abstract
INTRODUCTION
The objective of the National Water Quality Assessment (NAWQA) Program of the U.S. Geological Survey is to describe the status and trends of the Nation's water quality with respect to natural features of the environment and human activities or land-use. Pesticides are a major water-quality issue in the San Joaquin Valley of California (fig. 1), and pesticide residues may be transported to rivers and streams in agricultural runoff following winter storms. Three sites in the western San Joaquin Valley were monitored during and after two February 1993 storms. The storms occurred after extensive spraying of organophosphate insecticides, mostly diazinon, on almond and other stone-fruit orchards.
Study Area
| Publication type | Report |
|---|---|
| Publication Subtype | USGS Numbered Series |
| Title | Inputs of the Dormant-Spray Pesticide, Diazinon, to the San Joaquin River, California, February 1993 |
| Series title | Fact Sheet |
| Series number | 133-95 |
| DOI | 10.3133/fs13395 |
| Edition | - |
| Year Published | 1995 |
| Language | ENGLISH |
| Publisher | Geological Survey (U.S.) |
| Contributing office(s) | California Water Science Center, National Water Quality Assessment Program |
| Description | 2 p. |
| Google Analytic Metrics | Metrics page |