USGS Water-Year Summary 2023
07103987 COTTONWOOD CK AT UNION BLVD, AT COLO SPRINGS, CO
LOCATION - Lat 38°55'49.30", long 104°46'34.14" referenced to North American Datum of 1983, in NE 1/4 SE 1/4 sec.09, T.13 S., R.66 W., El Paso County, CO, Hydrologic Unit 11020003, on left bank 270 ft downstream of Union Blvd, 1.95 mi east of Interstate 25, 2.10 mi upstream from mouth, and 6.4 mi southeast of the U.S. Air Force Academy.
DRAINAGE AREA - 16.1 mi².
PERIOD OF RECORD - March 2018 to current year.
GAGE - Water-stage recorder with satellite telemetry and crest-stage gage. Elevation of gage is 6,494 ft above NAVD of 1988, from digital elevation model.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 1,740 ft³/s (estimated), July 26, 2022, based on straight-line extension of Rating 3.0, gage height, 15.06 ft.