Rivermatics

USGS Streamgage 11418000

Yuba River below Englebright Dam near Smartsville, CA

Yuba River below Englebright Dam near Smartsville, CA is USGS streamgage 11418000 in California, monitoring river discharge in hydrologic subbasin 18020125. It drains a watershed of about 1,108 square miles. Discharge records at this site go back to 1941. Typical flow runs near 1,551 cfs in July and 2,976 cfs in April, with the higher of the two arriving in April.

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Gauge details

State
California
Drainage area
1,108 sq mi
Subbasin (HUC-8)
18020125
Coordinates
39.23517, -121.27413
USGS site number
11418000
Records begin
1941-10-01 (85 years)

Typical flow by month

Long-term daily discharge percentiles from the USGS record (up to 84 years of data), averaged within each month. These describe the historical normal range — they are not a forecast and not today's reading.

Historical monthly discharge percentiles in cubic feet per second
Month Low p10 Typical p50 High p90 Range
January 603.9 1,366.5 6,954.2
February 649.1 1,984.8 7,838.6
March 659 2,715.8 7,091.3
April 697.4 2,976 7,283
May 918.5 2,859.4 8,431.3
June 814.6 1,882.7 6,121.7
July 511.8 1,551 2,917.4
August 461.8 1,399.7 2,780.6
September 312.2 700 2,399.7
October 294.2 794.3 1,777.1
November 353.5 839.5 2,226
December 566 991.9 4,801.3

All values in cubic feet per second (cfs).

Common questions

When does Yuba River below Englebright Dam near Smartsville, CA normally run highest?
April, on the long-term record. The median daily flow that month is about 2,976 cfs, against 700 cfs in September, the lowest month. These are historical normals for the date, not a forecast and not today's reading.
What is a normal flow for Yuba River below Englebright Dam near Smartsville, CA?
It depends on the month. In January, half of days historically fall near 1,366.5 cfs, with the middle 80% of days between 603.9 and 6,954.2 cfs. The month-by-month table on this page gives the full range.
How long has Yuba River below Englebright Dam near Smartsville, CA been measured?
Discharge records at USGS site 11418000 begin in 1941, about 85 years, covering roughly 8,456 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.
Where is Yuba River below Englebright Dam near Smartsville, CA?
The gauge sits at 39.23517, -121.27413, in California, in hydrologic subbasin 18020125, draining roughly 1,108 square miles.
Can I use Yuba River below Englebright Dam near Smartsville, 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.

Other gauges in this subbasin