USGS Water-Year Summary for Site 05289800

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	Available Parameters
	00010 Temperature, water(Max.,Min.,Mean)
	00060 Discharge(Mean)
	00095 Specific cond at 25C(Max.,Min.,Mean)

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

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USGS Water-Year Summary 2023

05289800 MINNEHAHA CREEK AT HIAWATHA AVE. IN MINNEAPOLIS,MN

LOCATION - Lat 44°54'56", long 93°12'45" referenced to North American Datum of 1927, in NE 1/4 SW 1/4 NE 1/4 sec.18, T.28 N., R.23 W., Hennepin County, MN, Hydrologic Unit 07010206, on right bank, 60 ft. downstream from Hiawatha Ave., and 0.5 miles upstream from mouth.

DRAINAGE AREA - 176 mi².

SURFACE-WATER RECORDS

PERIOD OF RECORD - November 2006 to current year.

GAGE - Water-stage recorder. Datum of gage is 786.69 ft above sea level (NGVD of 1929). Based on benchmark elevation provided by City of Minneapolis.

REMARKS - Daily-mean discharges are rated fair to poor except those for estimated daily-mean discharges, which are rated poor.

Discharges above approximately 200 ft³/s (or 14.7 ft of stage) are based on rating extension and may be fair to poor. Discharge at and below 2.0 cfs are "Poor" due to uncertainty of the low end of the rating. All discharges below 0.10 cfs are marked as <0.10 except for days around where the flow was measured.

EXTREMES OUTSIDE PERIOD OF RECORD - Measured discharge on October 5, 2005 was 559 ft³/s and was obtained during a flow recession. Approximate peak stage on October 5, 2005 was 16.5 ft (from highwater mark). Indirect measurement of discharge at Cedar Ave. bridge from peak on July 23, 1987 was 1,030 cfs and was probably higher at gage location.

EXTREMES FOR PERIOD OF RECORD - Maximum daily-mean discharge 871 ft³/s, gage height, 17.58 ft, June 19, 2014; minimum discharge, 0.00 ft³/s, many days, several years.

WATER-QUALITY RECORDS

PERIOD OF RECORD - Temperature and specific conductance; Water years 2011 to current year. Storm water sampling; Water Years 2014 to current year.

PERIOD OF DAILY RECORD - SPECIFIC CONDUCTANCE: Water years 2011 to current year.

WATER TEMPERATURE: Water years 2011 to current year.

INSTRUMENTATION - Water-quality monitor, 2011 water year to current year, which provides continuous recordings. Sensor is located at gage.

REMARKS - Parameters monitored were compared independently with a calibrated meter bi-weekly to monthly. Corrections were applied based on USGS standard procedures.

EXTREMES FOR PERIOD OF DAILY RECORD - SPECIFIC CONDUCTANCE: Maximum, 3,160 uS/cm, Feb. 14, 2011; minimum, 164 uS/cm, Jan. 17, 2015. WATER TEMPERATURE: Maximum, 32.5 C, July 5, 2012; minimum, -0.4 C, many days, 2015 WY.