USGS Water-Year Summary 2020
11325000 Woodbridge Canal at Woodbridge, CA
LOCATION - Lat 38°09'09", long 121°18'03" referenced to North American Datum of 1927, in NE 1/4 SE 1/4 sec.34, T.4 N., R.6 E., San Joaquin County, CA, Hydrologic Unit 18040005, at end of steel footbridge, on right bank, 300 ft downstream of point of diversion from Woodbridge Reservoir, in town of Woodbridge.
PERIOD OF RECORD - April 1926 to current year.
GAGE - Acoustic doppler velocity meter. Elevation of gage is 41.0 ft above NAVD of 1927, from topographic map. Prior to Mar. 15, 1931, water-stage recorder at site 750 ft downstream at different datum; Mar. 15, 1931, to Apr. 19, 2005, water-stage recorder at site 300 ft upstream, at diversion from Woodbridge Reservoir with zero of gage at datum 32.18 ft above NAVD of 1927.
COOPERATION - Records were collected by Woodbridge Irrigation District, under general supervision of the U.S. Geological Survey.
EXTREMES FOR PERIOD OF RECORD - Maximum daily discharge, 482 ft³/s, July 8, 1953; no flow at times in each year. Lowest daily mean, -64 ft³/s, May 4, 1938 (the water level in Woodbridge Reservoir was drawn down and water from the canal drained back into the reservoir. In order that the figures may represent the net diverted flow, the reverse flow was indicated by negative figures).