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- Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
- For water years 2014 onward, choose a water year and parameter and an on-demand Water-Year Summary report will be generated.
- For water years 2006 through 2013, choose a water year and an Annual Water Data Report will be provided.
- For water years 2005 and earlier, Annual Water Data Reports may be available in digital format.
- Not all sites have reports available for every water year.
USGS Water-Year Summary 2024
06721000 SOUTH PLATTE RIVER AT FORT LUPTON, CO
LOCATION - Lat 40°06'58", long 104°49'05" referenced to North American Datum of 1927, in SW 1/4 SE 1/4 sec.19, T.2 N., R.66 W., Weld County, CO, Hydrologic Unit 10190003, on right bank 2 ft downstream from County Road 18 bridge, 4.0 mi downstream from Big Dry Creek, and 2.5 mi north of Fort Lupton.
DRAINAGE AREA - 5,043 mi².
REVISIONS HISTORY - WDR-US-2011: Drainage area.
SURFACE-WATER RECORDS
PERIOD OF RECORD - May to September 1906, April 1929 to September 1957, April 2003 to September 2005 (seasonal records only), October 2005 to current year. Prior to October 1933 monthly discharge only, published in WSP 1310.
GAGE - Water-stage recorder with satellite telemetry and crest-stage gage. Elevation of gage is 4,860 ft above NGVD of 1929, from topographic map. Oct. 3, 1947 to Sept. 30, 1957, water-stage recorder at site 3.3 mi upstream at different datum. See WSP 1730 for history of changes prior to Oct. 3, 1947.
REMARKS - Water year 2014; records good except for estimated daily discharges, which are poor. Water year 2015; no estimated daily discharges. Records good. Water year 2016; records good except for estimated daily discharges, which are poor. Water year 2017; records good except for the period Dec. 28 to Aug. 29, which is fair, and estimated daily discharges, which are poor. Water year 2018; no estimated daily discharges. Records good. Water year 2019; no estimated daily discharges. Records good. Water year 2020; no estimated daily discharges. Records good. Water year 2021; records good except for estimated daily discharges, which are poor. Water year 2022; no estimated daily discharges. Records good. Water year 2023; no estimated daily discharges. Records good. Natural flow affected by transmountain diversions, storage reservoirs, ground-water withdrawals, diversions for irrigation, and return flow from irrigated areas.
