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 10164500

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 2022: 2022-10-01 to 2023-09-30

Print this page
USGS Water-Year Summary 2022
LOCATION - Lat 40°26'52", long 111°40'53" referenced to North American Datum of 1927, in SE 1/4 NW 1/4 NE 1/4 sec.26, T.4 S., R.2 E., Utah County, UT, Hydrologic Unit 16020201, on left bank 600 ft downstream from Rock Creek, 1,000 ft upstream from intake for upper power-plant of PacifiCorp, 4.0 mi upstream from mouth of canyon, and 6.7 mi northeast of American Fork.
DRAINAGE AREA - 51.1 mi².
REVISIONS HISTORY - WSP 1634 Drainage area. WDR-UT-96-1: 1995.
PERIOD OF RECORD - January 1927 to September 2005, June 2, 2011 to current year. Monthly discharge only January 1927 to September 1945, published in WSP 1314. Prior to September 2005, records collected by PacifiCorp (formerly Utah Power & Light Co.) under general supervision of Geological Survey, in connection with a Federal Energy Regulatory Commission project.
GAGE - Water-stage recorder. Elevation of gage is 5,950 ft above NGVD of 1929, from topographic map. Prior to September 8, 1965, at same site at different datum. September 8, 1965 to November 20, 1967, at site 300 ft upstream.
REMARKS - Flow regulated by Silver Lake Flat Reservoir (constructed 1971) and Tibble Reservoir; total capacity, 1,260 acre-ft. Records are good, except for estimates, which are poor, and other periods as follows: August 18, 2016 to October 6, 2017 which are fair due to control features and gage operation affected by silt deposition from Tibble Reservoir dredging .
EXTREMES FOR PERIOD OF RECORD - Maximum discharge not determined, occurred Jul. 30, 1953, gage height, 9.20 ft, from floodmark; minimum, 1.1 ft³/s, Dec. 20, 1976 (result of freezeup).