Warning: Javascript must be enabled to use all the features on this page!

Page Loading - Please Wait...

Click to hideNews Bulletins

Water-Year Summary for Site 12469500

Click to hide Water-Year Summary instructions and information
  • 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
62614 Elevation, lake/res, NGVD29(Mean)  

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

Print this page
USGS Water-Year Summary 2021
LOCATION - Lat 47°30'52", long 119°30'06" referenced to North American Datum of 1927, in SE 1/4 SW 1/4 sec.01, T.23 N., R.26 E., Grant County, WA, Hydrologic Unit 17020014, on east shore 1,000 ft south of outlet gate on Alkali Lake, and 8.8 mi north of town of Soap Lake.
DRAINAGE AREA - 367 mi². of which 281 mi² in the vicinity of Banks Lake is noncontributing.
PERIOD OF RECORD - July 1936, March 1938 to December 1956 (fragmentary), January 1957 to current year.
GAGE - Water-stage recorder. Datum of gage is NGVD of 1929, adjustment of 1937 (Bureau of Reclamation datum) and 2.96 ft above NAVD of 1988 (USGS GNSS Level II survey Oct. 15, 2021). Prior to Dec. 20, 1956, nonrecording gages 0.90 mi uplake at same datum.
REMARKS - Some diversion from tributaries for irrigation. During extreme high stages of Soap Lake, water is pumped from Soap Lake into Lenore Lake.
EXTREMES OUTSIDE PERIOD OF RECORD - Maximum elevation known, 1,092.2 ft, from well-defined alkali line at gage, date unknown.
EXTREMES FOR PERIOD OF RECORD - Maximum elevation observed, 1,087.73 ft, June 12, 1953; minimum elevation, 1,072.72 ft, Jan. 2, 1959 (affected by wind).