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This probabilistic forecast is issued by the Missouri Basin River Forecast Center.
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About this graph
Forecasts are not available for the Castle Creek at Deerfield Reservoir. Only observed stages are available for this point.
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Zoom Level:14
Flood Categories (in feet)
Major Flood Stage: 0
Moderate Flood Stage: 0
Flood Stage: 0
Action Stage: 5908
Low Stage (in feet): -9999

Historic Crests
(1) 5,909.05 ft on 02/25/1985
(2) 5,908.73 ft on 06/02/2011
(3) 5,908.65 ft on 06/21/1998
(4) 5,908.52 ft on 06/14/1996
(5) 5,908.26 ft on 06/12/1995
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 5,907.90 ft on 05/30/2022
(2) 5,908.04 ft on 05/23/2021
(3) 5,907.71 ft on 05/03/2020
(4) 5,908.25 ft on 05/31/2019
(5) 5,907.89 ft on 05/30/2018
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) 5,839.10 ft on 10/02/1960
Show More Low Water Records
KML Image
Gauge LocationGauge Map Marker
 Disclaimer
Latitude/Longitude Disclaimer: The gauge location shown in the above map is the approximate location based on the latitude/longitude coordinates provided to the NWS by the gauge owner.
Flood Impacts & Photos Collapse
If you notice any errors in the below information, please contact our Webmaster
5958 Dam crest elevation.
5953 Maximum water surface elevation or the top of the surcharge capacity.
5912 Spillway releases over an uncontrolled crest and open cut channel in the right abutment begin.
5908 Top of active conservation pool.
5839 Top of dead pool elevation.
5808 Streambed elevation.

Other Real-time and/or Archive Data Sources:
Collaborative Agencies Collapse
The National Weather Service prepares its forecasts and other services in collaboration with agencies like the US Geological Survey, US Bureau of Reclamation, US Army Corps of Engineers, Natural Resource Conservation Service, National Park Service, ALERT Users Group, Bureau of Indian Affairs, and many state and local emergency managers across the country. For details, please click here.
NWS Information
National Weather Service
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Rapid City, SD 57701-3800
(605) 341-7531
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