USGS Water-Year Summary for Site 07119500

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	Available Parameters
	00060 Discharge(Mean)

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Water year 2023: 2022-10-01 to 2023-09-30

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USGS Water-Year Summary 2023

07119500 APISHAPA RIVER NEAR FOWLER, CO

LOCATION - Lat 38°06'30.6", long 103°58'03.4" referenced to North American Datum of 1983, in SE 1/4 NE 1/4 sec.26, T.22 S., R.59 W., Otero County, CO, Hydrologic Unit 11020007, near center of span on upstream side of bridge on County Road 6, 3.4 mi southeast of Fowler, and 2.3 mi upstream from mouth.

DRAINAGE AREA - 1,074 mi².

REVISIONS HISTORY - WSP 957: 1939, 1941. WSP 1241: 1923 (M). WRD Colo. 1974: 1973 (M). WDR-US-2011: Drainage area.

SURFACE-WATER RECORDS

PERIOD OF RECORD - April 1922 to September 1925, May 1939 to current year. Monthly discharge only for some periods, published in WSP 1311.

GAGE - Water-stage recorder with satellite telemetry and crest-stage gage. Elevation of gage is 4,290 ft above NGVD of 1929, from topographic map. See WSP 1711 or 1731 for history of changes prior to May 27, 1939. May 27, 1939 to July 30, 1940, and July 3, 2002 to May 12, 2010, at site on left bank 3.1 mi upstream at various different datums. July 30, 1940 to July 3, 2002, at site on right bank 3.1 mi upstream at various different datums. May 12, 2010 to July 12, 2011, at site 3.1 mi upstream at different datum.

REMARKS - Water year 2014; records good except for estimated daily discharges, which are fair. Water year 2015; records good except for estimated daily discharges, which are fair. Water year 2016; no estimated daily discharges. Records good. Water year 2017; no estimated daily discharges. Records fair. Water year 2018; records fair except for the periods Dec. 8 to Jan. 12 and Feb. 9 to Sept. 30, which are poor. Water year 2019; records poor. Water year 2020; no estimated daily discharges. Records fair except for discharges above 270 ft³/s, which are poor. Water year 2021; records fair except for flows above 200 ft³/s, and estimated daily discharges, which are poor. A large amount of discharges are estimated based on beaver activity downstream gage. Water year 2022; records poor. Water year 2023; records fair except for flows above 40 ft³/s, and estimated daily discharges, which are poor. Natural flow of stream affected by erosion-control and livestock-watering reservoirs, diversions for irrigation, groundwater withdrawals, return flows from irrigated areas, and waste-water flows from Oxford Farmers Co. and Rocky Ford Highline canals.

EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 83,000 ft³/s, Aug. 22, 1923, from slope-area measurement of peak flow at site about 2 mi upstream from present site, caused by failure of Apishapa Dam, 31 mi upstream, gage height, unknown. Maximum gage height, 17.70 ft, July 31, 1951, site and datum then in use.