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Peak Streamflow for Texas

USGS 08104700 N Fk San Gabriel Rv nr Georgetown, TX

Williamson County, Texas
Hydrologic Unit Code 12070205
Latitude  3039'42", Longitude  9742'40" NAD27
Drainage area 248  square miles
Contributing drainage area 248  square miles
Gage datum 689.06 feet above sea level NGVD29
Water
Year
Date Gage
Height
(feet)
Stream-
flow
(cfs)
1969 Apr. 12, 1969 14.84 11,700
1970 May 28, 1970 11.69 7,160
1971 Jul. 30, 1971 11.15 6,460
1972 Oct. 20, 1971 8.83 3,560
1973 Jul. 15, 1973 14.02 10,400
1974 Sep. 17, 1974 26.20 35,000
1975 Oct. 31, 1974 24.10 30,100
1976 Apr. 29, 1976 11.50 6,850
1977 Apr. 16, 1977 8.24 2,560
1978 Feb. 13, 1978 4.77 42
1979 Jul. 6, 1979 9.01 2,9305
1980 Jul. 23, 1980 7.85 1,9206
1981 Jun. 10, 1981 11.37 5,4006
1982 Oct. 15, 1981 7.07 8146
1983 May 23, 1983 7.23 1,0006
1984 Jun. 6, 1984 5.55 1926
Water
Year
Date Gage
Height
(feet)
Stream-
flow
(cfs)
1985 Mar. 22, 1985 7.77 1,2006
1986 Feb. 12, 1986 10.16 3,2606
1987 Jul. 6, 1987 8.34 1,3906
1988 Nov. 25, 1987 7.09 5726
1989 May 23, 1989 7.27 6676
1990 Mar. 14, 1990 5.41 926
1991 Apr. 13, 1991 7.24 5476
1992 Mar. 4, 1992 13.05 6,0706
1993 Jun. 29, 1993 8.52 1,5306
1994 Mar. 15, 1994 4.93 386
1995 Apr. 6, 1995 6.48 2776
1996 Sep. 18, 1996 7.35 7126
1997 Jun. 8, 1997 9.11 1,7406
1998 Mar. 17, 1998 9.24 1,8606
1999 Dec. 13, 1998 8.67 1,3706
2000 Mar. 22, 2000 5.48 326
2001 Mar. 4, 2001 7.19 5096
Peak Streamflow Qualification Codes.
  • 5 -- Discharge affected to unknown degree by Regulation or Diversion
  • 6 -- Discharge affected by Regulation or Diversion