USGS Streamgage 11446030
SF American River near Pilot Hill, CA
SF American River near Pilot Hill, CA is USGS streamgage 11446030 in California, monitoring river discharge in hydrologic subbasin 18020129. It drains a watershed of about 801 square miles. Discharge records at this site go back to 1999.
Gauge details
- State
- California
- Drainage area
- 801 sq mi
- Gauge elevation
- 440 ft
- Subbasin (HUC-8)
- 18020129
- Coordinates
- 38.76296, -121.00828
- USGS site number
- 11446030
- Records begin
- 1999-08-05 (27 years)
Common questions
- How long has SF American River near Pilot Hill, CA been measured?
- Discharge records at USGS site 11446030 begin in 1999, about 27 years, covering roughly 7,860 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.
- Where is SF American River near Pilot Hill, CA?
- The gauge sits at 38.76296, -121.00828, in California, in hydrologic subbasin 18020129, at an elevation of about 440 feet, draining roughly 801 square miles.
- Can I use SF American River near Pilot Hill, CA data for flood or safety decisions?
- No. Rivermatics provides estimates, not guarantees, and the readings and forecasts here may be delayed, inaccurate, or wrong. Do not use them for navigation or for any safety, rescue, or emergency decision. Check the National Weather Service and USGS directly, and use your own judgment.