Stale — older than 1 week
USGS
Petaluma R A Copland Pumping Station A Petaluma Ca
Current conditions
Historical trends
Hourly measurements
Detailed readings by hour, organized by day
Nearby stations
Other monitoring locations nearby
Official USGS page: https://waterdata.usgs.gov/monitoring-location/USGS-11459150/ (may include cooperator information)