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Water-Year Summary for Site 08148500

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Water year 2021: 2021-10-01 to 2022-09-30

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USGS Water-Year Summary 2021
08148500 North Llano River near Junction, TX
LOCATION - Lat 30°31'02", long 99°48'21" referenced to North American Datum of 1927, Kimble County, TX, Hydrologic Unit 12090202, on left bank 50 ft south of Ranch Road 1674, 600 ft west of county road KC 171, 1.7 mi northwest of Junction, and 3.7 mi upstream from confluence with South Llano River.
DRAINAGE AREA - 914 mi².
REVISIONS HISTORY - WSP 568: 1920, 1922. WSP 1512: 1915, 1918-19, 1923(M), 1924-26, 1928, 1930(M), 1931-33, 1934(M), 1935. WDR TX-76-3: 1942(M), 1948(M), 1957(M), 1958(P), 1959(M), 1961(M), 1964(M), 1970-71(M), 1974(P).
PERIOD OF RECORD - Sept. 1915 to Sept. 1977, June 2001 to current year.
GAGE - Water-stage recorder and crest-stage gage. Datum of gage is 1,709.92 ft above NGVD of 1929. Prior to Aug. 1925, nonrecording gage at site 1,450 ft upstream at datum 10 ft lower. Aug. 1925 to Sept. 1936, water-stage recorder 1,450 ft upstream at datum 10 ft lower. Sept. 1936 to June 1940, nonrecording gages at various sites at datum 10 ft lower. June 1940 to Sept. 1977, water-stage recorder at site 2,000 ft upstream at datum 10 ft lower. Satellite telemeter at station.
REMARKS - No known regulation. Low flow affected by diversions from irrigation. No flow at times most years.
EXTREMES OUTSIDE PERIOD OF RECORD - Maximum stage since at least 1875, that of Sept. 16, 1936; maximum stage during period 1875 to Sept. 15, 1936, 27 ft in 1889, at former site, from information by local resident.