USGS Water-Year Summary 2023
13057132 GREAT WESTERN CANAL SPILLBACK NEAR IDAHO FALLS, ID
LOCATION - Lat 43°36'03", long 112°03'43" referenced to North American Datum of 1983, in sec.12, T.3 N., R.37 E., Bonneville County, ID, Hydrologic Unit 17040201, Idaho Falls North quad., on right bank 3.2 mi north of Idaho Falls municipal powerplant, and 8 mi north of Idaho Falls.
SURFACE-WATER RECORDS
PERIOD OF RECORD - September 1987 to current year, (prior to October 1988, discharge measurements and gage height record only).
GAGE - Water-stage recorder and crest-stage gage. Elevation of gage is 4,746.02 feet above NAVD 1988 (USGS).
EXTREMES FOR PERIOD OF RECORD - Maximum daily discharge, 761 ft³/s May 19, 1991; no flow for many days each year.