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Water-Year Summary for Site 15302200

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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)  

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

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USGS Water-Year Summary 2020
15302200 KOKTULI RIVER NEAR ILIAMNA, AK
LOCATION - Lat 59°47'36", long 155°31'21" referenced to North American Datum of 1927, in NW 1/4 NE 1/4 NE 1/4 sec.31, T.4 S., R.36 W., Lake and Peninsula Borough, AK, Hydrologic Unit 19030302, (Iliamna D-7 quad), on left bank, 15 mi upstream from the mouth of North Fork Koktuli R, and 21.5 mi northwest of Iliamna.
DRAINAGE AREA - 69.1 mi².
SURFACE-WATER RECORDS
PERIOD OF RECORD - August 2004 to September 2015; August 2017 to present.
GAGE - Water-stage recorder and crest-stage gage. Elevation of gage is 775 ft above mean sea level, from topographic map.
WATER-QUALITY RECORDS
PERIOD OF RECORD - June 2006 to September 2015; August 2017 to present.
PERIOD OF DAILY RECORD - WATER TEMPERATURE: June 2006 to September 2015; August 2017 to present.
INSTRUMENTATION - Electronic water-temperature recorder set for 15-minute recording interval.
EXTREMES FOR PERIOD OF RECORD - WATER TEMPERATURE: Maximum recorded, 19.8°C, July 7, 2019. Minimum, 0.0°C, on many days during winter.