USGS Scientific Investigations Report 2012–5091  - Reconnaissance of Land-Use Sources of Pesticides in Drinking Water, McKenzie River Basin, Oregon 

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Scientific Investigations Report 2012–5091 

Prepared in cooperation with Eugene Water and Electric Board 

Reconnaissance of Land-Use Sources of Pesticides in Drinking Water, McKenzie River Basin, Oregon 

By Valerie J. Kelly, Chauncey W. Anderson, and Karl Morgenstern 

Tables

Table 1. Precipitation gages and stations sampled for pesticides in the McKenzie River basin, Oregon, 2002–10.  

Table 2. Summary of land-use focus surveys.  

Table 3. Guidelines for interpretation of Benchmark Quotients. 

Table 4. Description of special-topic sample types. 

Table 5. Summary of replicate samples. 

Table 6. Maximum concentration and detection frequency for all compounds detected.  

Table 7. Physical-chemical characteristics and categories of land use for detected compounds and compounds reported to be used but never detected.  

Table 8. Benchmark quotients for compounds detected at source water for the Eugene Water and Electric Board drinking water facility. 

Table 9. Number of analyte/pesticide detections for different land use sites by season.  

Table 10. Correlation results for analysis of total concentration and number of pesticides detected (as proportion of analyses conducted) with precipitation sums from 7 days prior to sample collection. 

Table 11. Summary of results from pre-storm and storm samples. 

Table 12. Summary of results from sampling over different regions of the storm hydrograph. 

Table 13.Detected compounds at Cedar and Camp Creeks, McKenzie River basin, Oregon.  

First posted May 30, 2012

Report PDF (2.25 MB)

Appendix B PDF (400 KB)

For additional information contact:
Director, Oregon Water Science Center
U.S. Geological Survey
2130 SW 5th Avenue
Portland, Oregon 97201
http://or.water.usgs.gov

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