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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.
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USGS Water-Year Summary 2024
13057500 GRAYS LAKE OUTLET NEAR HERMAN, ID
LOCATION - Lat 43°08'05", long 111°29'42" referenced to North American Datum of 1983, in NE 1/4 NE 1/4 sec.26, T.3 S., R.42 E., Bonneville County, ID, Hydrologic Unit 17040205, Herman quad., on right bank 200 ft upstream from road crossing, 3.5 mi west of Herman, and 8 mi upstream from Brockman Creek.
DRAINAGE AREA - 137 mi².
REVISIONS HISTORY - WDR ID-69-1: 1967. WDR ID-2006: 2004(M).
SURFACE-WATER RECORDS
PERIOD OF RECORD - 1916-25 (irrigation seasons only), June 1966 to October 1970, (seasonal) May 2002 to September 2021. (discontinued)
GAGE - Water-stage recorder and crest-stage gage. Datum of gage is 6,381.15 feet above NAVD 1988 (USGS). Prior to Oct. 18, 1917, non recording gage, and Oct. 18, 1917 to Sept. 30, 1925 water-stage recorder at site 2 mi. downstream, at datum then in use.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge observed, 1,350 ft³/s May 15, 1917, gage height, 5.9 ft (site and datum then in use); no flow Apr. 25, 1917.
