USGS Station 11098000
ARROYO SECO NEAR PASADENA, CA
LOS ANGELES RIVER BASIN
Latitude: 34^13'20"; Longitude: 118^10'36"
Hydrologic Unit Code: 18070105
Drainage area: 16.0 square miles.
Location: In NW 1/4 NE 1/4 sec.31, T.2 N., R.12 W., Los Angeles County, on right bank 0.7 mi east of Angeles Crest Highway, 1.5 mi upstream from Millard Canyon, and 5.5 mi northwest of Pasadena.
Period of Record: December 1910 to January 1913 (fragmentary), April 1913 to November 1915, April 1916 to current year. 1928: Drainage area.
Gage Information: Water-stage recorder. Broad-crested weir since November 1938. Datum of gage is 1,397.88 ft above sea level. Prior to Oct. 1, 1916, nonrecording gage at different datum. Oct. 1, 1916, to Oct. 19, 1945, water- stage recorder at datum 4.00 ft lower.
Use these links to retrieve
Monthly Streamflow hydrograph for this station,
;
Table of Current Streamflow conditions, or
tab-separated ASCII file of monthly data.
Return to the USGS National Water Conditions Report
Table of Contents
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Please send suggestions, comments, and (or) questions, to
kvsarma@usgs.gov