SAN GABRIEL R AB WHITTIER NARROWS DAM CA

LOS ANGELES COUNTY, CA34.0342°N, -118.0381°W Updated 17 hr ago

FLOW RATE

12cfs

Flow Rate Historical Avg

MEDIAN FLOW RATE · 1 YEAR

12cfs 7.4% vs avg

Optimal band: 12–16 cfs

PERIOD HIGH

5,842cfs

PERIOD LOW

1cfs

RUNNABLE

last 1 year in band

Precipitation History

Your History · SAN GABRIEL R AB WHITTIER NARROWS DAM CA

Track your history

Sign in to track your sessions at SAN GABRIEL R AB WHITTIER NARROWS DAM CA — best days, monthly trends, and time on the water.

34.0342, -118.0381

Loading map…

DATA · USGS · NOAA · NWSUPDATED 2026-07-06 00:00 UTC

Site #11087020·USGS

Create a free account to save favorites, set flow alerts, and track conditions