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<br />O~1326 <br /> <br />SELECTED HYDROLOGIC DATA FOR FOUNTAIN CREEK <br /> <br />AND MONUMENT CREEK BASINS, EAST-CENTRAL COLORADO <br /> <br />By Gerhard Kuhn and Roderick F. Ortiz <br /> <br />ABSTRACT <br /> <br />Selected hydrologic data obtained during 1986, 1987, and 1988 by the U.S. <br />Geological Survey for the Fountain Creek and Monument Creek basins, east- <br />central Colorado, are presented in this report. The data were obtained as part <br />of a study to determine the present and projected effects of wastewater <br />discharges on the two Creeks. The data, which are available for 129 surface- <br />water sites, include: (1) About 1,100 water-quality analyses, (2) about 420 <br />measurements of discharge, (3) characteristics of about 50 dye clouds associ- <br />ated with measurements of traveltime and reaeration, and (4) about <br />360 measurements of channel geometry. <br /> <br />INTRODUCTION <br /> <br />Fountain Creek and Monument Creek receive wastewater discharges from <br />numerous communities and developments. Wastewater discharges to the Creeks <br />are expected to increase because of future population growth in the area. <br />These increased discharges have caused concern that: (1) State stream water- <br />quality standards might be exceeded, and (2) State stream classifications <br />for cold-water aquatic life might not be sustainable for Fountain and Monument <br />Creeks. As a result of these concerns, the U.S. Geological Survey began a <br />study in 1986, in cooperation with the Pikes Peak Area Council of Governments, <br />to determine the present and projected effects of wastewater discharges on <br />water quality in Fountain and Monument Creeks (fig. 1). The primary objective <br />of the study was to develop a method by which wastewater-management alterna- <br />tives for Fountain and Monument Creeks could be simulated by using a one- <br />dimensional stream water-quality model. Selected hydrologic data for use in <br />calibration and verification of the model were obtained during 1986, 1987, and <br />1988. <br /> <br />Purpose and Scope <br /> <br />Selected hydrologic data that were obtained for this study for Fountain <br />and Monument Creeks, tributary streams, and wastewater-treatment facilities <br />currently (1988) discharging into Fountain Creek or Monument Creek are <br />presented in this report. Two stream reaches (fig. 1) were established for <br />study purposes. The upstream and middle reaches of Fountain Creek and Monument <br />Creek downstream from Monument were studied during warm-water conditions; <br />whereas, the middle and downstream reaches of Fountain Creek were studied <br />during cold-water conditions. <br /> <br />1 <br />