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.
USGS Water-Year Summary 2024
08166140 Guadalupe River above Bear Creek at Kerrville, TX
LOCATION - Lat 30°04'10", long 99°11'42" referenced to North American Datum of 1927, Kerr County, TX, Hydrologic Unit 12100201, on left bank 600 ft downstream from Goat Creek, 900 ft upstream from Bear Creek and Bear Creek Crossing, and 2.4 mi east of intersection of State Highways 27 and 39 in Ingram.
DRAINAGE AREA - 494 mi².
SURFACE-WATER RECORDS
PERIOD OF RECORD - Apr. 1978 to June 1986 (daily mean discharges less than 400 ft³/s), Dec. 1994 to Mar. 1999 (periodic discharge measurements only), Apr. 1999 to Sept. 30, 2003 (daily mean discharge). Oct. 2003 to current year ( discharges less than 400 ft³/s).
GAGE -
Datum of gage is 1662.638 ft. above NAVD of 1988. The NAVD of 1988 datum was determined by a level 2 GNSS survey (Reference Frame NAD_83 (2011) (EPOCH:2010.0000). (GEOID18) by USGS on November 07, 2024. Prior to November 01, 2024, the datum of gage was 1,623.20 ft. above NAVD of 1929. Satellite telemeter at station.
REMARKS - Record rated fair for WY 2018 due to estimated record. No known regulation. Numerous diversions for irrigation above station, amounts unknown. Some records listed in the "Period of Record" for surface water and water quality may not be available electronically.
EXTREMES OUTSIDE PERIOD OF RECORD - Maximum stage since 1900, 34.1 ft, July 2, 1932, from information by local resident.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 55,700 ft³/s Oct. 23, 2000 (gage height, 18.63 ft); Maximum gage height, 21.70 ft, Dec. 31, 1984; minimum daily discharge, 10 ft³/s Aug. 17, 2012.
