San Mateo County, California

10 active USGS gauges in San Mateo County. See California streamflow overview for the full state picture.

USGS Stream Gauges in San Mateo County

Station River CFS Gage (ft) Condition
Butano C near Pescadero CA 8 4.11 Very High
Pescadero C near Pescadero CA FLOOD 15 1.86 Very High
Pilarcitos C above Stone Dam near Hillsborough CA 3 1.07 Normal
Pilarcitos C at Half Moon Bay CA 6 2.50 Very High
Pilarcitos C below Spillway near Hillsborough CA 2 2.31 Normal
Pilarcitos C below Stone Dam near Hillsborough CA 2 5.07 Very High
San Gregorio C at San Gregorio CA 11 3.88 Very High
San Mateo C above Junction Box at Dam1 near Hillsborough 0 0.35 Very High
San Mateo C below Junction Box at Dam1 near Hillsborough 0 0.52 Very High
San Mateo C below Lo Crystal Sp Reservoir near San Mateo CA 3 4.12 Normal