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Water-Year Summary for Site 10109000

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Available Parameters
00060 Discharge(Mean)  

Water year 2019: 2019-10-01 to 2020-09-30
 

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USGS Water-Year Summary 2019
10109000 LOGAN RIVER ABOVE STATE DAM, NEAR LOGAN, UT
LOCATION - Lat 41°44'36", long 111°46'55" referenced to North American Datum of 1927, in NW 1/4 NW 1/4 NE 1/4 sec.36, T.12 N., R.1 E., Cache County, UT, Hydrologic Unit 16010203, on left bank 0.5 mi upstream from State dam, and 2.5 mi east of Logan.
DRAINAGE AREA - 214 mi².
REVISIONS HISTORY - WDR UT-74-1: Drainage area. WDR UT-96-1:1995, Combined discharge of Logan River Above State Dam and Logan, Hyde Park and Smithfield Canal at Head. WDR UT-04-1:1995, Logan River above State Dam, near Logan, Ut; Combined discharge of Logan River above State Dam and Logan, Hyde Park and Smithfield Canal at Head.
SURFACE-WATER RECORDS
PERIOD OF RECORD - June 1896 to current year. Published as Logan River near Logan prior to 1913. Records from May 1913 to November 1970 equivalent to earlier records, if records for Utah Power & Light Co.'s tailrace near Logan (station 10108000) are added. Monthly discharge only for some periods, published in WSP 1314.
GAGE - Water-stage recorder. Elevation of gage is 4,680 ft above NGVD of 1929, from topographic map. Prior to May 7, 1913, nonrecording gage at various sites within 0.5 mi downstream at different datums. May 7, 1913, to September 3, 1938, water-stage recorder at present site at different datums.
REMARKS - Records good. Flow affected by regulation and diversions above station for power, irrigation, and municipal culinary supply. Utah Power and Light Co. stopped diverting water from river November 1970 at which time the tailrace station (station 10108000) was discontinued. During 1963, site for gaging station Logan, Hyde Park and Smithfield Canal at Head (station 10108400) was relocated. Records for combined flow since that time are equivalent to previous records. For record of combined flow, see station 10109001.
EXTREMES FOR PERIOD OF RECORD - River only: Maximum discharge, 2,000 ft³/s, Mar 21, 1916, gage height, 5.6 ft; minimum, 5.2 ft³/s, Feb 26, 1986, result of hydro-electric plant testing. Combined river and canal: Maximum discharge observed, 2,480 ft³/s, May 24, 1907; minimum daily, 50 ft³/s, Jan 21, 1935.