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Scientific Investigations Report 2012–5217

Prepared in cooperation with the Wisconsin Department of Natural Resources

Effects of Best-Management Practices in Bower Creek in the East River Priority Watershed, Wisconsin, 1991–2009

By Steven R. Corsi, Judy A. Horwatich, Troy D. Rutter, and Roger T. Bannerman

Thumbnail of and link to report PDF (10.9 MB)Abstract

Hydrologic and water-quality data were collected at Bower Creek during the periods before best-management practices (BMPs), and after BMPs were installed for evaluation of water-quality improvements. The monitoring was done between 1990 and 2009 with the pre-BMP period ending in July 1994 and the post-BMP period beginning in October 2006. BMPs installed in this basin included streambank protection and fencing, stream crossings, grade stabilization, buffer strips, various barnyard-runoff controls, nutrient management, and a low degree of upland BMPs. Water-quality evaluations included base-flow concentrations and storm loads for total suspended solids, total phosphorus, and ammonia nitrogen. The only reductions detected between the base-flow samples of the pre- and post-BMP periods were in median concentrations of total phosphorus from base-flow samples, but not for total suspended solids or dissolved ammonia nitrogen. Differences in storm loads for the three water-quality constituents monitored were not observed during the study period.

First posted January 4, 2013

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Director
U.S. Geological Survey
Wisconsin Water Science Center
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Middleton, Wisconsin 53562
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Suggested citation:

Corsi, S.R., Horwatich, J.A., Rutter, T.D., and Bannerman, R.T., 2013, Effects of best-management practices in Bower Creek in the East River priority watershed, Wisconsin, 1991–2009: U.S. Geological Survey Scientific Investigations Report 2012–5217, 21 p., at http://pubs.usgs.gov/sir/2012/5217/.



Contents

Abstract

Introduction

Methods

Hydrologic Conditions During the Study Period

Water Quality Before and After Installation of Best-Management Practices

Effects of Best-Management Practices on Bower Creek

Comparison of Results to Watershed Improvement Objectives

Summary and Conclusions

References Cited

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