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Water-Year Summary for Site 15041200

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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.
Available Parameters
00010 Temperature, water(Max.,Min.,Mean)  
00060 Discharge(Mean)  
32295 fDOM, water, in situ(Max.,Mean,Min.)  
32322 Relative fDOM, water, in situ(Max.,Mean,Min.)  

Water year 2021: 2020-10-01 to 2021-09-30

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USGS Water-Year Summary 2021
LOCATION - Lat 58°32'19", long 133°42'00" referenced to North American Datum of 1927, in NE 1/4 NW 1/4 sec.33, T.38 S., R.71 E., City & Borough of Juneau, AK, Hydrologic Unit 19010304, (Taku River C-6 quad), in Tongass National Forest, on left bank, 1.5 mi upstream from Wright River, and 31 mi northeast of Juneau.
DRAINAGE AREA - 6,500 mi².
REVISIONS HISTORY - WDR AK-98-1, 1987-1997; WDR AK-00-1 1989-90 (M), 1992-95 (M).
PERIOD OF RECORD - July 1987 to current year.
GAGE - Water-stage recorder. Elevation of gage is 50 ft above sea level, from topographic map.
REMARKS - GOES satellite telemetry at station.
EXTREMES FOR PERIOD OF RECORD - Peak of record flow is 137,000 ft³/s at a stage of 45.54 ft. on June 30, 2021. 
PERIOD OF RECORD - Specific Conductance, Water Temperature (YSI), pH, Dissolved Oxygen, fDOM, and Turdidity Water Quality record period begins 05/06/2019
INSTRUMENTATION - Q.W. - A YSI EXO2 Sonde multi-parameter monitor measuring Water Temperature, Specific Conductance, Dissolved Oxygen pH and Turbidity.  The Sonde readings are checked against a calibrated field Sonde and compared to stream cross-section values at each site visit. After readings are compared, the monitoring sonde is either cleaned, calibrated, and replaced in the stream, or swapped with a newly calibrated Sonde.