Rivermatics

USGS Streamgage 381905121413901

Green Slough near Courtland, CA

Green Slough near Courtland, CA is USGS streamgage 381905121413901 in California, monitoring river discharge in hydrologic subbasin 18020163. Discharge records at this site go back to 2025.

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Gauge details

State
California
Gauge elevation
7 ft
Subbasin (HUC-8)
18020163
Coordinates
38.31792, -121.69425
USGS site number
381905121413901
Records begin
2025-09-11 (1 years)

Common questions

How long has Green Slough near Courtland, CA been measured?
Discharge records at USGS site 381905121413901 begin in 2025, about 1 years, covering roughly 7 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.
Where is Green Slough near Courtland, CA?
The gauge sits at 38.31792, -121.69425, in California, in hydrologic subbasin 18020163, at an elevation of about 7 feet.
Can I use Green Slough near Courtland, 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.

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