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Scientific Investigations Report 2012–5234

Prepared in cooperation with the City of Aurora, Colorado Springs Utilities, Lower Arkansas Valley Water Conservancy District,
Pueblo Board of Water Works, Southeastern Colorado Water Conservancy District, and Upper Arkansas Water Conservancy District

Characterization of Streamflow, Water Quality, and Instantaneous Dissolved Solids, Selenium, and Uranium Loads in Selected Reaches of the Arkansas River, Southeastern Colorado, 2009–2010

By Tamara Ivahnenko, Roderick F. Ortiz, and Robert W. Stogner, Sr.

Thumbnail of and link to report PDF (9.1 MB)Abstract

As a result of continued water-quality concerns in the Arkansas River, including metal contamination from historical mining practices, potential effects associated with storage and movement of water, point- and nonpoint-source contamination, population growth, storm-water flows, and future changes in land and water use, the Arkansas River Basin Regional Resource Planning Group (RRPG) developed a strategy to address these issues. As such, a cooperative strategic approach to address the multiple water-quality concerns within selected reaches of the Arkansas River was developed to (1) identify stream reaches where stream-aquifer interactions have a pronounced effect on water quality and (or) where reactive transport, and physical and (or) chemical alteration of flow during conveyance, is occurring, (2) quantify loading from point sources, and (3) determine source areas and mass loading for selected constituents. (To see the complete abstract, open Report PDF.)

Revised March 5, 2013

First posted February 13, 2013

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:

Ivahnenko, Tamara, Ortiz, R.F., and Stogner, R.W., Sr., 2013, Characterization of streamflow, water quality, and instantaneous dissolved solids, selenium, and uranium loads in selected reaches of the Arkansas River, southeastern Colorado, 2009–2010: U.S. Geological Survey Scientific Investigations Report 2012–5234, 60 p. (Revised October 10, 2014.)



Contents

Abstract

Introduction

Purpose and Scope

Description of the Study Area

Previous Investigations

Methods

Characteristics of Streamflow, Water Quality, and Instantaneous Dissolved Solids, Selenium, and Uranium Loads in the Arkansas River Basin from Canon City to Near Portland

Characteristics of Streamflow, Water Quality, and Instantaneous Dissolved Solids, Selenium, and Uranium Loads in the Arkansas River Basin from Avondale to Las Animas

Summary

Acknowledgments

References Cited


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