« Back to Custer State Park Rivers

Deerfield Reservoir

Critical Stages
5908' - Action
Flood
Moderate
Major

Latest Observation

Updated: 10:00 PM MST 12/14/25

Status: No Flooding

Stage: 5907.02 ft

Flow: -999 kcfs

Forecast

Forecast not available for this location.

TimeStage (ft)Flow (kcfs)
10:00 PM 12/14 5907.02 -999
9:45 PM 12/14 5907.05 -999
9:30 PM 12/14 5907.02 -999
9:15 PM 12/14 5907.04 -999
9:00 PM 12/14 5907.03 -999
8:45 PM 12/14 5907.02 -999
8:30 PM 12/14 5907.04 -999
8:15 PM 12/14 5907.01 -999
8:00 PM 12/14 5907 -999
7:45 PM 12/14 5907 -999
7:30 PM 12/14 5907.01 -999
7:15 PM 12/14 5907.02 -999
7:00 PM 12/14 5907.04 -999
6:45 PM 12/14 5907.01 -999
6:30 PM 12/14 5907.02 -999
6:15 PM 12/14 5907.03 -999
6:00 PM 12/14 5907.04 -999
5:45 PM 12/14 5907.04 -999
5:30 PM 12/14 5907.05 -999
5:15 PM 12/14 5907 -999
5:00 PM 12/14 5907.02 -999
4:45 PM 12/14 5907.03 -999
4:30 PM 12/14 5907.03 -999
4:15 PM 12/14 5907.03 -999
4:00 PM 12/14 5907.05 -999
3:45 PM 12/14 5907.03 -999
3:30 PM 12/14 5907.04 -999
3:15 PM 12/14 5907.03 -999
3:00 PM 12/14 5907.01 -999
2:45 PM 12/14 5907.01 -999
Hydrograph for Deerfield Reservoir
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.
DateStage (ft)
Feb 25, 1985 5909.05
Jun 2, 2011 5908.73
Jun 21, 1998 5908.65
Jun 14, 1996 5908.52
Jun 12, 1995 5908.26
May 27, 2010 5908.25
May 31, 2019 5908.25
Oct 29, 1996 5908.24
Jun 21, 1999 5908.23
Apr 28, 1970 5908.2
Apr 20, 1971 5908.19
May 18, 1978 5908.16
Apr 7, 1965 5908.15
Apr 19, 1973 5908.15
Jun 9, 1964 5908.14
Apr 9, 1969 5908.11
Apr 17, 1975 5908.11
Jun 24, 2015 5908.07
Apr 10, 1968 5908.06
Apr 5, 1974 5908.04

Data provided by the National Weather Service.