USGS Water-Year Summary 2020
06720990 BIG DRY CREEK AT MOUTH NEAR FORT LUPTON, CO
LOCATION - Lat 40°04'07.80", long 104°49'55.15" referenced to North American Datum of 1983, in SE 1/4 NE 1/4 sec.12, T.1 N., R.67 W., Weld County, CO, Hydrologic Unit 10190003, on right bank 0.7 mi west of State Highway 85, 0.75 mi south of State Highway 52, and 1.3 mi southwest of City Hall in Ft. Lupton.
DRAINAGE AREA - 107 mi².
PERIOD OF RECORD - October 1991 to current year.
GAGE - Water-stage recorder with satellite telemetry and crest-stage gage. Elevation of gage is 4,900 ft above NGVD of 1929, from topographic map.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 785 ft³/s, May 9, 2015, from rating curve extended above 300 ft³/s, gage height, 9.62 ft.