Rivermatics

USGS Streamgage 06403850

Grizzly Bear Creek near Keystone, SD

Grizzly Bear Creek near Keystone, SD is USGS streamgage 06403850 in South Dakota, monitoring river discharge in hydrologic subbasin 10120109. It drains a watershed of about 9 square miles. Discharge records at this site go back to 1972.

View live conditions →

Gauge details

State
South Dakota
Drainage area
9 sq mi
Gauge elevation
4,495 ft
Subbasin (HUC-8)
10120109
Coordinates
43.87806, -103.43722
USGS site number
06403850
Records begin
1972-06-09 (54 years)

Common questions

How long has Grizzly Bear Creek near Keystone, SD been measured?
Discharge records at USGS site 06403850 begin in 1972, about 54 years, covering roughly 78 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.
Where is Grizzly Bear Creek near Keystone, SD?
The gauge sits at 43.87806, -103.43722, in South Dakota, in hydrologic subbasin 10120109, at an elevation of about 4,495 feet, draining roughly 9 square miles.
Can I use Grizzly Bear Creek near Keystone, SD 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