06754000 SOUTH PLATTE RIVER NEAR KERSEY, CO
LOCATION (REVISED).--Lat 40°24'42", long 104°33'42", in NW14SW14 sec.9, T.5 N., R.64W., Weld County, Hydrologic Unit 10190003, on downstream side of bridge on State Highway 37, 1.9 mi north of railroad in Kersey, and 2.5 mi downstream from Cache la Poudre River.
DRAINAGE AREA.--9,659 mi2 (revised).
PERIOD OF RECORD.--May 1901 to December 1903, March 1905 to current year. Monthly discharge only for some periods, published in WSP 1310. Published as "at Kersey" 1901-03. Statistical summary computed for 1976 to current year, subsequent to completion of Chatfield Dam. For a complete listing of historical data available for this site, see http://waterdata.usgs.gov/co/nwis/inventory/?site_no=06754000
REVISED RECORDS.--WSP 1310: 1902, 1906, 1935(M). WSP 1730: Drainage area.
GAGE.--Water-stage recorder with satellite telemetry. Datum of gage is 4,575.77 ft above NGVD of 1929. See WSP 1710 or 1730 for history of changes prior to July 3, 1935.
REMARKS.--Records fair except for estimated daily discharges, which are poor. Natural flow of stream affected by transmountain and transbasin diversions, storage reservoirs, power developments, ground-water withdrawals and diversions for irrigation of about 888,000 acres, and return flow from irrigated areas. Water-quality data has been collected at this site as part of the South Platte River Basin National Water-Quality Assessment Program and is available at http://waterdata.usgs.gov/co/nwis/inventory/?site_no=06754000
COOPERATION.--Records collected and computed by Colorado Division of Water Resources and reviewed by Geological Survey.
a Average discharge for 71 years (water years 1902-03, 1906-74), 777 ft3/s; 562,900 acre-ft/yr, prior to completion of Chatfield Dam.
d Maximum discharge and stage for period of record, 31,500 ft3/s, May 8, 1973, gage height, 11.73 ft.