Is the Castle Creek flooding?

South Dakota · 2 gauges · South Dakota river levels

The Castle Creek is tracked by 2 USGS streamgauges in South Dakota. This page compares each gauge’s live water level against its official National Weather Service flood stage, refreshed every 15 minutes, so you can tell whether the Castle Creek is running normal, rising toward flood stage, or already flooding. 2 of 2 gauges have both a usable water-level reading and a published minor flood stage. Gauges without a published flood stage show water level and flow only. For nearby rivers, see all South Dakota river levels.

data refreshed 11 min ago

Readings may be delayed; check each observation time below. This gauge summary does not rule out flooding on unmonitored stretches or nearby streets.

River facts

The longest-running gauge on this river is Castle Creek below Deerfield Dam, SD. The highest level ever recorded there was 5.37 ft on 31 May 2011, carrying 101 cfs. Peak records there go back to 1947 (77 annual peaks). It is currently at 3.47 ft, 1.9 ft below that record.

Drains 92 sq mi · gauge elevation 5,786 ft · source: USGS peak-flow record

Gauge	Status	Stage	Flood stage	Updated
Castle Creek above Deerfield Reservoir near Hill City, SD	No flooding	2.75 ft	6 ft	89 min ago
Castle Creek below Deerfield Dam, SD	No flooding	3.47 ft	5.5 ft	2 hours ago

Provisional data: Real-time readings are provisional and subject to revision by the USGS — sensors can be affected by ice, debris, or equipment malfunction. Do not rely on this site for decisions involving personal safety; follow official guidance from the National Weather Service and local authorities.