USGS Water-Year Summary 2021
373025122065901 San Francisco Bay at Old Dumbarton Bridge, near Newark, CA
LOCATION - Lat 37°30'25", long 122°06'59" referenced to North American Datum of 1983, Alameda County, CA, Hydrologic Unit 18050004, unsurveyed, 100 ft from end of Old Dumbarton Bridge on northwest side of bridge, 1,900 ft from shore, and 5.1 mi southwest of Newark.
PERIOD OF RECORD - October 2010 to current year.
GAGE - Water-stage recorder. Datum of gage is NAVD of 1988.
EXTREMES FOR PERIOD OF RECORD - Maximum recorded gage-height, 9.45 ft, Jan. 12, 2017; minimum recorded, -3.72 ft, June 6, 2012.