USGS Water-Year Summary 2021
07081200 ARKANSAS RIVER NEAR LEADVILLE, CO
LOCATION - Lat 39°14'56.4", long 106°20'53.2" referenced to North American Datum of 1983, in NE 1/4 SE 1/4 sec.20, T.9 S., R.80 W., Lake County, CO, Hydrologic Unit 11020001, on right bank 25 ft upstream from Lake County Road 4, 0.5 mi downstream from confluence of East Fork Arkansas River and Tennessee Creek, and 3.0 mi west of Leadville.
DRAINAGE AREA - 99.1 mi².
- WDR-US-2011: Drainage area. February 2021: Mean daily discharge, January 30 to March 12, 2020.
PERIOD OF RECORD - October 1967 to September 1983, April 1990 to current year.
GAGE - Water-stage recorder with satellite telemetry. Elevation of gage is 9,665 ft above NGVD of 1929, from topographic map. Prior to Oct. 5, 2010, at site 0.5 mi upstream at datum 39.3 ft higher.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 1,360 ft³/s, June 9, 1997, from rating curve extended above 964 ft³/s, on basis of a straight line extension, gage height, 4.38 ft, site and datum then in use.