USGS Water-Year Summary 2020
11121900 Gibraltar Dam Diversion Weir at Gibraltar Dam, CA
LOCATION - Lat 34°31'27", long 119°41'10" referenced to North American Datum of 1927, Santa Barbara County, CA, Hydrologic Unit 18060010, on left bank, 0.11 mi below Gibraltar Dam, 0.11 mi west of Forest Route 5N18, and 7.4 mi north of Santa Barbara.
PERIOD OF RECORD - Water years 1970-1982, October 1988 to current year.
GAGE - Custom-built stilling well attached to flume via pipe. OTT Fad5 submersible pressure transducer connected to Satlink 3 datalogger. City of Santa Barbara staff in flume, USGS staff at stilling well. Offset from City of Santa Barbara's flume staff (yellow sticker) and USGS staff attached to small stilling well is 17.53 +/- .02
COOPERATION - City of Santa Barbara operates and maintains diversion tunnel and flume.
EXTREMES FOR PERIOD OF RECORD
Maximum computed discharge, 27.8cfs, Feb 11-13 2003; no flow for part of each year.