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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.
- 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.
USGS Water-Year Summary 2024
09379900 LAKE POWELL AT GLEN CANYON DAM, AZ
LOCATION - Lat 36°56'12", long 111°29'00" referenced to North American Datum of 1927, in sec.24, T.41 N., R.8 E., Coconino County, AZ, Hydrologic Unit 14070006, at Glen Canyon Dam on Colorado River, 900 ft upstream from bridge on U.S. Highway 89, 1.4 mi downstream from Wahweap Creek, 2 mi northwest of Page, and 12 mi downstream from Utah-Arizona State line.
DRAINAGE AREA - approximately, including 3,959 mi² is noncontributing in Great Divide basin in southern Wyoming.
SURFACE-WATER RECORDS
PERIOD OF RECORD - April 18, 2019 to current year.
GAGE - Water-stage recorder. Datum of gage is National Geodetic Vertical Datum of 1929. Prior to Sept. 1, 1964, nonrecording gage at same site and datum.
REMARKS - Records are considered good.
EXTREMES OUTSIDE PERIOD OF RECORD - 3708.34 on 07/14/1983 NGVD29.
EXTREMES FOR PERIOD OF RECORD - Maximum elevation, 3,621.5 ft, Aug 5, 2019; minimum, 3,519.1 ft. Apr 13, 2023.
