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Water-Year Summary for Site 12113344

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  • Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
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Available Parameters
00060 Discharge(Mean)  

Water year 2021: 2021-10-01 to 2022-09-30
 

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USGS Water-Year Summary 2021
12113344 GREEN RIVER AT 200TH STREET AT KENT, WA
LOCATION - Lat 47°25'23", long 122°15'51" referenced to North American Datum of 1927, in SE 1/4 NW 1/4 sec.02, T.22 N., R.4 E., King County, WA, Hydrologic Unit 17110013, on upstream side of 200th street bridge, and at mile 17.
DRAINAGE AREA - 451 mi².
SURFACE-WATER RECORDS
PERIOD OF RECORD - December 2011 to current year.
GAGE - Water stage recorder and crest stage gage. Datum of gage is NAVD of 1988.
REMARKS - Since Dec. 5, 1961, flow regulated by Howard A. Hanson Reservoir (station 12108500), 47.5 mi upstream from station, flood control and during summer months, to augment the natural river flow. Minor diversions on upstream tributaries for domestic use. U.S. Geological Survey satellite telemetry at station. This station is tidally influenced.
  • Water Year 2014: Records fair except discharges below 1,400 ft³/s, which are poor. City of Tacoma diverted an average daily discharge of 59.4 ft³/s from river at headworks near Palmer, 44 mi upstream from station, for municipal use.
  • Water Year 2015: Records fair except discharges below 1,400 ft³/s, which are poor. City of Tacoma diverted an average daily discharge of 69.7 ft³/s from river at headworks near Palmer, 44 mi upstream from station, for municipal use.
  • Water Year 2016: Records fair except discharges below 1,400 ft³/s, which are poor. City of Tacoma diverted an average daily discharge of 90.2 ft³/s from river at headworks near Palmer, 44 mi upstream from station, for municipal use.
  • Water Year 2017: Records fair except discharges below 1,400 ft³/s, which are poor. City of Tacoma diverted an average daily discharge of 95.6 ft³/s from river at headworks near Palmer, 44 mi upstream from station, for municipal use.
  • Water Year 2018: Records fair except discharges below 1,400 ft³/s, which are poor. City of Tacoma diverted an average daily discharge of 90.3 ft³/s from river at headworks near Palmer, 44 mi upstream from station, for municipal use.
  • Water Year 2019: Records fair except discharges below 1,400 ft³/s, which are poor. City of Tacoma diverted an average daily discharge of 96.5 ft³/s from river at headworks near Palmer, 44 mi upstream from station, for municipal use.
  • Water Year 2020:  Records fair except discharges below 1,400 ft³/s, which are poor. City of Tacoma diverted an average daily discharge of 92.4 ft³/s from river at headworks near Palmer, 44 mi upstream from station, for municipal use.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 9,720 ft³/s, Feb. 9, 2020, elevation, 33.23 ft; minimum discharge, 233 ft³/s, August 7th, 2015 elevation, 10.67 ft.