USGS Streamgage 11046050
Santa Margarita River A Mouth near Oceanside, CA
Santa Margarita River A Mouth near Oceanside, CA is USGS streamgage 11046050 in California, monitoring river discharge in hydrologic subbasin 18070302. It drains a watershed of about 739 square miles. Discharge records at this site go back to 1988.
Gauge details
- State
- California
- Drainage area
- 739 sq mi
- Gauge elevation
- -4 ft
- Subbasin (HUC-8)
- 18070302
- Coordinates
- 33.23781, -117.39531
- USGS site number
- 11046050
- Records begin
- 1988-10-01 (38 years)
Common questions
- How long has Santa Margarita River A Mouth near Oceanside, CA been measured?
- Discharge records at USGS site 11046050 begin in 1988, about 38 years, covering roughly 3,150 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.
- Where is Santa Margarita River A Mouth near Oceanside, CA?
- The gauge sits at 33.23781, -117.39531, in California, in hydrologic subbasin 18070302, at an elevation of about -4 feet, draining roughly 739 square miles.
- Can I use Santa Margarita River A Mouth near Oceanside, 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.