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 13090500

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
00060 Discharge(Mean)  

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

Print this page
USGS Water-Year Summary 2020
13090500 SNAKE RIVER NEAR TWIN FALLS, ID
LOCATION - Lat 42°36'22", long 114°28'35" referenced to North American Datum of 1983, Twin Falls County, ID, Hydrologic Unit 17040212, Twin Falls quad., on downstream side of old Perrine Bridge pier, 200 ft upstream from outlet of Blue Lakes, 4 mi north of city of Twin Falls, and 4 mi downstream from Shoshone Falls.
DRAINAGE AREA - 22,360 mi².
SURFACE-WATER RECORDS
PERIOD OF RECORD - September 1911 to June 1917, May 1919 to December 1947, July 2009 to current year.
GAGE - Water-stage recorder and crest-stage gage. Elevation of gage datum is arbitrary. Sept. 29, 1911 to June 30, 1917 and May 1, 1919 to Sept. 18, 1930, staff gage 100 ft upstream at same datum. Sept. 19, 1930 to Dec. 1947, staff gage on bridge pier 120 ft streamward at same datum.
REMARKS - Snake River at Twin Falls is subject to complete regulation at Milner dam near Burley, ID, and also by various irrigation and power dams above Milner. During the irrigation season the entire Snake River may be diverted at or above Milner and the only flow at the gage is comprised of gains from springs and minor tributaries entering the system below Milner dam.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge observed, 32,200 ft³/s June 10, 1914, gage height, 13.3 ft; minimum, 249 ft³/s Apr. 1, 2014, gage height, 1.25 ft.