Pilarcitos C below Spillway near Hillsborough CA

San Mateo County, California · USGS gauge 111626182 · NWS XPSC1 · Pilarcitos Creek flood status · California river levels

Nearby: river levels near Hillsborough

Is Pilarcitos C below Spillway near Hillsborough CA flooding right now?

Pilarcitos C below Spillway near Hillsborough CA measured 2.53 ft on 2026-09-11 01:00:00 UTC. No NWS minor flood stage is published for this gauge.

Gauge height
2.53 ft
as of 67 min ago
Streamflow
3 cfs
data refreshed 5 min ago

No National Weather Service flood stage is published for this gauge, so no flood category can be shown — why some gauges have no flood stage.

Nearby gauges

GaugeDistanceCounty
San Mateo C below Junction Box a Dam1 near Hillsborough0.6 miSan Mateo County
San Mateo C above Junction Box a Dam1 near Hillsborough0.7 miSan Mateo County
Pilarcitos C above Stone Dam near Hillsborough CA1.8 miSan Mateo County
Pilarcitos C below Stone Dam near Hillsborough CA2.0 miSan Mateo County
San Mateo C below Lo Crystal Sp Reservoir near San Mateo CA3.6 miSan Mateo County
Provisional data: Real-time readings are provisional and subject to revision by the USGS — sensors can be affected by ice, debris, or equipment malfunction. Do not rely on this site for decisions involving personal safety; follow official guidance from the National Weather Service and local authorities.

Sources: USGS monitoring location · NWS gauge & forecast