Streamflow Gages

San Lorenzo Creek Tributaries

USGS Station 11180900 | Crow Creek near Hayward

Located at Crow Canyon Rd crossing at road mile marker 1.28 | Street View STA 85+50

Station webpage

ACFCWCD Station | Confluence of Crow & Cull Creeks

Located at Bay Trees Park near the intersection of Crow Canyon Road and Cull Canyon Road | Street View

Record drawing of H-132-11 Sheet 63 (1973).

USGS Station 11181008 | Castro Valley Creek at Hayward

Located adjacent to the Hayward Area Senior Center / Japanese Gardens | Street View

Station webpage

San Lorenzo Creek

USGS Station 11181000 | San Lorenzo Creek at Hayward (Center St)

Located 450-ft downstream of Center Street Bridge | Street View Model Station 389+00

USGS webpage

Aerial view of gage locations downstream of Center Street.

Looking downstream at gage location. Gage house at top left bank. Staff gage on retaining walls in front of bench (June 2023).

Looking down at the channel from atop the north bank (June 2023).

Looking upstream from USGS staff gage location.

Looking upstream toward Center Street Bridge from atop a gravel bar at the upstream limit of the engineered walls segment.

Looking downstream from the USGS staff gage toward the gravel bar at the end of the concrete retaining wall.

Surveyed cross section at USGS gage location looking downstream.

On 12/31/2022 at 9:40 am, the water surface was observed at about 19-ft elevation. The automated gage reported 19.16-ft at 9:45am. Later the same day, at 3:00 pm, the water surface was observed flowing over the top of the highest tier retaining wall at an elevation of 21.7-ft. The automated gage reported 21.51-ft at the time.