Big Sioux River Near Castlewood,Sd Water Level

Updated: Jun 18, 2026 River South Dakota

Current Elevation

5.02 ft

30-Day Water Level Trend

Flow Rate (Discharge)

Current flow is 57 cfs (cubic feet per second). Calm flow. Ideal for gentle kayaking and wading.

Map & Location

GPS: 44.73154780°N, -97.04465180°W

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❓ Frequently Asked Questions

Where is Big Sioux River Near Castlewood,Sd located?

Big Sioux River Near Castlewood,Sd is a River located in South Dakota. The exact GPS coordinates are 44.73154780°N, -97.04465180°W. You can use these coordinates to get driving directions via Google Maps.

What is the Big Sioux River Near Castlewood,Sd water level today?

As of June 18, 2026, the water surface elevation at Big Sioux River Near Castlewood,Sd is 5.02 feet above sea level.

What is the current flow rate at Big Sioux River Near Castlewood,Sd?

The most recent discharge measurement at Big Sioux River Near Castlewood,Sd is 57 cubic feet per second (cfs). This data is provided by USGS and is updated daily.

Is it safe to swim or boat at Big Sioux River Near Castlewood,Sd?

Safety conditions at Big Sioux River Near Castlewood,Sd depend on current water levels, flow rates, temperature, and weather. Always check the latest data on this page before planning any water activities. We recommend checking local advisories and weather forecasts for the most up-to-date safety information.

Is Big Sioux River Near Castlewood,Sd good for fishing?

Big Sioux River Near Castlewood,Sd in South Dakota is a popular destination for anglers. Check current water temperature and flow conditions on this page to plan your fishing trip. Always verify you have the appropriate state fishing license.

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