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Hydrograph River at a Glance Download
Missouri River at Gavins Point Dam Pool (ft)Observed: 1205.5 ft at 12:00AM Sep 14, 2019Observed: 1205.77 ft at 12:00AM Sep 15, 2019Observed: 1206.7 ft at 12:00AM Sep 16, 2019Observed: 1207.25 ft at 12:00AM Sep 17, 2019Highest Observation: 1207.49 ft at 12:00AM Sep 18, 2019Observed: 1207.17 ft at 12:00AM Sep 20, 2019Observed: 1206.99 ft at 12:00AM Sep 21, 2019Observed: 1206.88 ft at 12:00AM Sep 22, 2019Observed: 1206.87 ft at 12:00AM Sep 23, 2019GPDN1(plotting HPIRZ) Graph Created (12:33PM Sep 23, 2019)ObservedLatest observed value: 1206.87 ft at 12:00 AM CDT 23-Sep-2019. Flood Stage is 1210 ft
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Tabular Data (UTC)
Tabular Data (CDT)
XML Data
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Datum: Not Available
NOTE: Gauge reading affected by reservoir operations.

NOTE: River forecasts for this location take into account past precipitation and the precipitation amounts expected approximately 24 hours into the future from the forecast issuance time.

NOTE: Forecasts are not available for the Missouri River at Gavins Point Dam. Only observed stages are available for this point.

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Upstream Gauge - at Springfield Upstream Gauge Downstream Gauge Downstream Gauge - at Yankton
Flood Categories (in feet)
Major Flood Stage: 1234
Moderate Flood Stage: 1221
Flood Stage: 1210
Action Stage: 1208
Low Stage (in feet): -9999

Historic Crests
(1) 1,212.02 ft on 03/15/2019
(2) 1,210.60 ft on 04/01/1960
(3) 1,209.70 ft on 06/01/2010
(4) 1,209.23 ft on 05/30/1995
(5) 1,209.20 ft on 03/01/1978
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(P): Preliminary values subject to further review.

Recent Crests
(1) 1,212.02 ft on 03/15/2019
(2) 1,207.25 ft on 06/10/2014
(3) 1,208.60 ft on 02/01/2011
(4) 1,209.70 ft on 06/01/2010
(5) 1,208.50 ft on 10/01/2009
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(P): Preliminary values subject to further review.

Low Water Records
Currently none available.

For more information on your flood risk go to

Zoom Level:14
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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.
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If you notice any errors in the below information, please contact our Webmaster
1234 Top of dam elevation.
1221.4 Elevation at maximum spillway design discharge capacity.
1210 Maximum operating pool.
1208 Exclusive flood control elevation.
1204.5 Base flood control elevation.
1180 Spillway crest elevation.
(1) Upstream View
(2) Downstream View
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Latitude: 42.848889° N, Longitude: 97.481667° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 1210 ft Interpreting hydrographs and NWS watch, warnings, and forecasts, and inundation maps
Vertical Datum Elevation
(gauge height = 0)
(gauge height = flood stage)
Elevation information source
NAVD88 Not Available Not Available Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps
NGVD 29 Not Available Not Available Older USGS topographic maps, NGVD29 benchmarks
MSL Not Available Not Available Older USGS topographic maps, MSL benchmarks
Other 0 ft 1210 ft  

Current/Historical Observations:

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NWS Information
National Weather Service
Sioux Falls Weather Forecast Office
26 Weather Lane
Sioux Falls, SD 57104-0198
(605) 330-4247
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Page last modified: 1-Mar-2019 12:34 AM
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