Castle Creek above Deerfield Reservoir near Hill City, SD
Is Castle Creek above Deerfield Reservoir near Hill City, SD flooding right now?
Castle Creek above Deerfield Reservoir near Hill City, SD measured 2.76 ft on 2026-10-27 17:00:00 UTC. That observation was 3.2 ft below its 6 ft flood stage. This is the latest available reading, not a guarantee of current conditions.
Gauge height
2.76 ft
Streamflow
8 cfs
Minor flooding here begins at 6 ft, with major flooding at 7.5 ft. The highest crest on record was 6.54 ft on Fri, Mar 15, 2019.
Streamflow outlook
Flood stages at this gauge
| Category | Stage | Current distance |
|---|---|---|
| Action | 4.5 ft | 1.7 ft below |
| Minor flood | 6 ft | 3.2 ft below |
| Moderate flood | 7 ft | 4.2 ft below |
| Major flood | 7.5 ft | 4.7 ft below |
Highest crests on record
| Stage | Date |
|---|---|
| 6.54 ft | 2019-03-15 |
| 6.48 ft | 1984-11-23 |
| 6.31 ft | 1984-07-16 |
| 5.91 ft | 2020-02-20 |
| 5.85 ft | 2012-02-09 |
Nearby gauges
| Gauge | Distance | County |
|---|---|---|
| Castle Creek below Deerfield Dam, SD | 2.6 mi | Pennington County |
| Rhoads Fork near Rochford, SD | 8.4 mi | Pennington County |
| Rapid Creek near Rochford, SD | 11.2 mi | Pennington County |
| Beaver Creek at Mallo Camp, near Four Corners, WY | 12.5 mi | Weston County |
| Reno Gulch near Hill City, SD | 13.0 mi | Pennington County |
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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.