USGS Water-Year Summary 2017
06741510 BIG THOMPSON RIVER AT LOVELAND, CO
LOCATION - Lat 40°22'43", long 105°03'38" referenced to North American Datum of 1927, in SE 1/4 SE 1/4 sec.24, T.5 N., R.69 W., Larimer County, CO, Hydrologic Unit 10190006, on right bank 830 ft downstream from S. St. Louis Ave., 1.7 mi south of sugar refinery in Loveland, and 1.9 mi downstream from Farmers Ditch diversion.
DRAINAGE AREA - 531 mi².
PERIOD OF RECORD - July 1979 to current year.
REVISED RECORDS - WDR-US-2011: Drainage area. April, 2014: Location.
GAGE - Water-stage recorder with satellite telemetry and crest-stage gage. Elevation of gage is 4,906 ft above NGVD of 1929, from topographic map. Prior to Apr. 9, 2014, at site 140 ft upstream, at same datum.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 19,000 ft³/s, Sept. 13, 2013, from indirect measurement of peak flow, gage height, 11.93 ft., from high-water mark.