USGS Water-Year Summary 2020
07091200 ARKANSAS RIVER NEAR NATHROP, CO
LOCATION - Lat 38°39'08", long 106°03'02" referenced to North American Datum of 1927, in SE 1/4 SW 1/4 sec.23, T.51 N., R.8 E., Chaffee County, CO, Hydrologic Unit 11020001, on right bank 300 ft upstream from end of Chaffee County Road 194 in Browns Canyon, 3.7 mi downstream from Browns Creek, 6.7 mi south of Nathrop, and 9 mi north of Salida.
DRAINAGE AREA - 1,055 mi².
- WDR-US-2011: Drainage area.
PERIOD OF RECORD - October 1964 to September 1982. April 1989 to September 1993. October 1993 to current year (seasonal records only).
GAGE - Water-stage recorder with satellite telemetry. Elevation of gage is 7,350 ft above NGVD of 1929, from topographic map.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 5,560 ft³/s, June 18, 2015, from rating curve extended above 5,500 ft³/s, gage height 8.62 ft.