USGS Streamgage 11446220
American River below Folsom Dam near Folsom, CA
American River below Folsom Dam near Folsom, CA is USGS streamgage 11446220 in California, monitoring river discharge in hydrologic subbasin 18020111. It drains a watershed of about 1,863 square miles. Discharge records at this site go back to 1998.
Gauge details
- State
- California
- Drainage area
- 1,863 sq mi
- Gauge elevation
- 239 ft
- Subbasin (HUC-8)
- 18020111
- Coordinates
- 38.70453, -121.16436
- USGS site number
- 11446220
- Records begin
- 1998-10-24 (28 years)
Common questions
- How long has American River below Folsom Dam near Folsom, CA been measured?
- Discharge records at USGS site 11446220 begin in 1998, about 28 years, covering roughly 7,755 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.
- Where is American River below Folsom Dam near Folsom, CA?
- The gauge sits at 38.70453, -121.16436, in California, in hydrologic subbasin 18020111, at an elevation of about 239 feet, draining roughly 1,863 square miles.
- Can I use American River below Folsom Dam near Folsom, 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.