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Scientific Investigations Report 2013–5129

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Prepared in cooperation with the Summit Water Quality Committee

Analysis of Water Quality in the Blue River Watershed, Colorado, 1984 through 2007

By Nancy J. Bauch, Lisa D. Miller, and Sharon Yacob

Thumbnail of and link to report PDF (21.4 MB)Abstract

Water quality of streams, reservoirs, and groundwater in the Blue River watershed in the central Rocky Mountains of Colorado has been affected by local geologic conditions, historical hard-rock metal mining, and recent urban development. With these considerations, the U.S. Geological Survey, in cooperation with the Summit Water Quality Committee, conducted a study to compile historical water-quality data and assess water-quality conditions in the watershed. To assess water-quality conditions, stream data were primarily analyzed from October 1995 through December 2006, groundwater data from May 1996 through September 2004, and reservoir data from May 1984 through November 2007. Stream data for the Snake River, upper Blue River, and Tenmile Creek subwatersheds upstream from Dillon Reservoir and the lower Blue River watershed downstream from Dillon Reservoir were analyzed separately. (The complete abstract is provided in the report)

First posted August 25, 2014

For additional information contact:
Director, Colorado Water Science Center
U.S. Geological Survey
Box 25046, Mail Stop 415
Denver, CO 80225
http://co.water.usgs.gov

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Suggested citation:

Bauch, N.J., Miller, L.D., and Yacob, Sharon, 2014, Analysis of water quality in the Blue River watershed, Colorado, 1984 through 2007: U.S. Geological Survey Scientific Investigations Report 2013–5129, 91 p., http://dx.doi.org/10.3133/sir20135129.

ISSN 2328-0328 (online)


Contents

Abstract

Introduction

Methods of Data Review and Analysis

Surface-Water Quality

Groundwater Quality

Synthesis of Water Quality in the Blue River Watershed

Summary

Acknowledgments

References Cited

Appendixes


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