Deerfield Reservoir

Last updated: Jul 18, 2025, 12:49 AM UTC
No watches, warnings or advisories are in effect for this area.

Flood Impacts 🅘

  • 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.

Gauge Info

Coordinates 44.0291, -103.782
RFC MBRFC
State SD
WFO UNR
County Pennington
Data Provider(s)
US Bureau of Reclamation Bureau of Reclamation
U.S. Army Corps of Engineers U.S. Army Corps of Engineers Website

Gauge Location

Recent Crests

1. 5907.73 ft on 06-10-2024
2. 5907.90 ft on 05-30-2022
3. 5908.04 ft on 05-23-2021
4. 5907.71 ft on 05-03-2020
5. 5908.25 ft on 05-31-2019

Historic Crests

1. 5909.05 ft on 02-25-1985
2. 5908.73 ft on 06-02-2011
3. 5908.65 ft on 06-21-1998
4. 5908.52 ft on 06-14-1996
5. 5908.26 ft on 06-12-1995

Vertical Datum Table

type NGVD29
major Flooding N/A
moderate Flooding N/A
minor Flooding N/A
action 11716.00 ft
Latest Value 11711.34 ft
Gauge Zero 5808.00 ft

Gauge Photos

No Images Found

Probability Information

Photo 1 of 2

Collaborative Agencies

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.

WFO Information

Weather Forecast Office
Rapid City
300 East Signal Drive
Rapid City, SD 57701-3800
Official Homepage