USGS Water-Year Summary for Site 04059000

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	Available Parameters
	00010 Temperature, water(Max.,Min.,Mean)
	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

04059000 ESCANABA RIVER AT CORNELL, MI

LOCATION - Lat 45°54'32.1", long 87°12'48.7" referenced to North American Datum of 1983, in NW 1/4 sec.32, T.41 N., R.23 W., Delta County, MI, Hydrologic Unit 04030110, on right bank 50 ft downstream from bridge on County Road 519, 0.4 mi downstream from Bobs Creek, 0.7 mi northeast of Cornell, and 16 mi upstream from mouth.

DRAINAGE AREA - 870 mi².

REVISIONS HISTORY - WSP 1387: 1904. WDR MI-85-1: 1970 (M).

SURFACE-WATER RECORDS

PERIOD OF RECORD - August 1903 to December 1912, January 1913 to November 1915 (gage heights only), October 1950 to current year. Monthly discharge only for some periods, published in WSP 1307. Published as "near Escanaba" 1903-15.

GAGE - Water-stage recorder. Datum of gage is 749.36 ft above NAVD 88, converted on July 9, 2020 from NGVD 29 (levels by Michigan Department of Natural Resources). August 1903 to November 1915, nonrecording gage at site 10 mi downstream at different datum.

REMARKS - Since 1950, flow regulated by Boney Falls powerplant 7 mi upstream. Since August 1962, some regulation by Schweitzer Reservoir (station 04058190) approximately 50 mi upstream. Since December 1972, some regulation by Greenwood Reservoir (station 04057811) approximately 60 mi upstream.

EXTREMES FOR PERIOD OF RECORD -

Maximum discharge, 10,700 ft³/s, Apr. 26, 1979, gage height, 5.00 ft; maximum gage height, 6.40 ft, Apr. 9, 1971, backwater from ice, present site and datum; minimum discharge, 52 ft³/s, Sept. 3, 2012, result of regulation.

AVERAGE DISCHARGE FOR PERIOD OF RECORD - Annual total does not include water years 1904-12.

WATER-QUALITY RECORDS

PERIOD OF RECORD - Water years 1967, 1969-73, 1975-94, 1998 to current year.

PERIOD OF DAILY RECORD - SPECIFIC CONDUCTANCE: February 1975 to September 1981. WATER TEMPERATURE: February 1975 to September 1981, April 1998 to current year (seasonal records only, April to September).

INSTRUMENTATION - Water-quality monitor from Oct. 15, 1975 to Sept. 30, 1981. Water-quality monitor telemeter since Apr. 14, 1998.

EXTREMES FOR PERIOD OF DAILY RECORD - SPECIFIC CONDUCTANCE: Maximum daily recorded, 360 microsiemens, Sept. 10, 1975; minimum measured, 114 microsiemens, Apr. 15, 1981. WATER TEMPERATURE: Maximum daily recorded, 35.0°C, July 31, 1975; minimum, -0.5°C, Apr. 1-6, 2004.