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- Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
- For water years 2014 onward, choose a water year and parameter and an on-demand Water-Year Summary report will be generated.
- For water years 2006 through 2013, choose a water year and an Annual Water Data Report will be provided.
- For water years 2005 and earlier, Annual Water Data Reports may be available in digital format.
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USGS Water-Year Summary 2024
11162737 San Mateo Creek below Junction Box at Dam 1 near Hillsborough, CA
LOCATION - Lat 37°33'21.5", long 122°25'03.8" referenced to North American Datum of 1983, San Mateo County, CA, Hydrologic Unit 18050004, on left bank, at San Mateo Dam # 1, 250 ft downstream of junction box, and 2.5 mi southwest of Hillsborough.
DRAINAGE AREA - 2.20 mi².
SURFACE-WATER RECORDS
PERIOD OF RECORD - March 2022 to current year.
GAGE - Water-stage recorder and crest-stage gage. Datum of gage is 626.23 ft above NAVD88.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 440 ft³/s, Dec. 31, 2022, gage height, 8.38 ft. Minimum daily discharge, no flow, many days. No peaks occurred outside period of published record during the 2022 Water Year.
