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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.
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USGS Water-Year Summary 2024
111626182 Pilarcitos Creek below Spillway near Hillsborough, CA
LOCATION - Lat 37°32'51.7", long 122°25'15.2" referenced to North American Datum of 1983, San Mateo County, CA, Hydrologic Unit 18050006, on right bank, below Pilarcitos Lake, 150 ft downstream from end of spillway, and 2.9 mi southwest of Hillsborough.
DRAINAGE AREA - 4 mi².
SURFACE-WATER RECORDS
PERIOD OF RECORD - March 2022 to current year.
GAGE - Water-stage recorder and crest-stage gage. Datum of gage is 613.50 ft above NAVD of 1988.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 164 ft³/s, Jan. 16, 2023, gage height, 4.84 ft. Minimum daily discharge, 0.07 ft³/s, Mar. 4, 2022. No peaks occurred outside period of published record during the 2022 Water Year.
