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Web Portal Changes: The Advanced Hydrologic Prediction Service (AHPS) hosted at https://water.weather.gov will be replaced by the National Water Prediction Service (NWPS), with a target of March 2024. Existing AHPS content and features will be preserved and expanded within NWPS.

Experimental National Water Center Products: The National Hydrologic Discussion, Area Hydrologic Discussion, and Flood Hazard Outlook, and real-time geospatial services depicting River Forecast Center and National Water Model forecasts, continue to be accessible via https://www.weather.gov/owp/operations, as described in the StoryMap here.



Hydrograph River at a Glance Download
Des Moines River at Saylorville Reservoir Pool (ft)Flow (cfs)Highest Observation: 835.78 ft at 8:30AM Sep 21, 2023Highest Observation: 835.78 ft at 9:00AM Sep 21, 2023Highest Observation: 835.78 ft at 9:30AM Sep 21, 2023Highest Observation: 835.78 ft at 10:00AM Sep 21, 2023Observed: 835.77 ft at 11:30AM Sep 21, 2023Observed: 835.77 ft at 12:00PM Sep 21, 2023Observed: 835.77 ft at 12:30PM Sep 21, 2023Observed: 835.77 ft at 1:00PM Sep 21, 2023Observed: 835.77 ft at 1:30PM Sep 21, 2023Observed: 835.76 ft at 2:00PM Sep 21, 2023Observed: 835.76 ft at 2:30PM Sep 21, 2023Observed: 835.76 ft at 3:00PM Sep 21, 2023Observed: 835.76 ft at 3:30PM Sep 21, 2023Observed: 835.76 ft at 4:00PM Sep 21, 2023Observed: 835.76 ft at 4:30PM Sep 21, 2023Observed: 835.76 ft at 5:00PM Sep 21, 2023Observed: 835.76 ft at 5:30PM Sep 21, 2023Observed: 835.75 ft at 6:00PM Sep 21, 2023Observed: 835.74 ft at 6:30PM Sep 21, 2023Observed: 835.74 ft at 7:00PM Sep 21, 2023Observed: 835.74 ft at 7:30PM Sep 21, 2023Observed: 835.74 ft at 8:00PM Sep 21, 2023Observed: 835.75 ft at 8:30PM Sep 21, 2023Observed: 835.74 ft at 9:00PM Sep 21, 2023Observed: 835.75 ft at 9:30PM Sep 21, 2023Observed: 835.74 ft at 10:00PM Sep 21, 2023Observed: 835.74 ft at 10:30PM Sep 21, 2023Observed: 835.74 ft at 11:00PM Sep 21, 2023Observed: 835.74 ft at 11:30PM Sep 21, 2023Observed: 835.75 ft at 12:00AM Sep 22, 2023Observed: 835.74 ft at 1:30AM Sep 22, 2023Observed: 835.73 ft at 2:00AM Sep 22, 2023Observed: 835.73 ft at 2:30AM Sep 22, 2023Observed: 835.73 ft at 3:00AM Sep 22, 2023Observed: 835.73 ft at 3:30AM Sep 22, 2023Observed: 835.73 ft at 4:00AM Sep 22, 2023Observed: 835.73 ft at 4:30AM Sep 22, 2023Observed: 835.73 ft at 5:00AM Sep 22, 2023Observed: 835.73 ft at 5:30AM Sep 22, 2023Observed: 835.73 ft at 6:00AM Sep 22, 2023Observed: 835.73 ft at 6:30AM Sep 22, 2023Observed: 835.73 ft at 7:00AM Sep 22, 2023Observed: 835.72 ft at 8:30AM Sep 22, 2023Observed: 835.72 ft at 9:00AM Sep 22, 2023Observed: 835.72 ft at 10:30AM Sep 22, 2023Observed: 835.72 ft at 11:00AM Sep 22, 2023Observed: 835.72 ft at 11:30AM Sep 22, 2023Observed: 835.72 ft at 12:00PM Sep 22, 2023Observed: 835.71 ft at 12:30PM Sep 22, 2023Observed: 835.71 ft at 1:00PM Sep 22, 2023Observed: 835.71 ft at 1:30PM Sep 22, 2023Observed: 835.71 ft at 2:00PM Sep 22, 2023Observed: 835.71 ft at 2:30PM Sep 22, 2023Observed: 835.71 ft at 3:00PM Sep 22, 2023Observed: 835.71 ft at 3:30PM Sep 22, 2023Observed: 835.71 ft at 4:00PM Sep 22, 2023Observed: 835.71 ft at 5:30PM Sep 22, 2023Observed: 835.71 ft at 6:00PM Sep 22, 2023Observed: 835.71 ft at 6:30PM Sep 22, 2023Observed: 835.71 ft at 7:00PM Sep 22, 2023Observed: 835.71 ft at 7:30PM Sep 22, 2023Observed: 835.71 ft at 8:00PM Sep 22, 2023Observed: 835.71 ft at 8:30PM Sep 22, 2023Observed: 835.71 ft at 9:00PM Sep 22, 2023Observed: 835.71 ft at 9:30PM Sep 22, 2023Observed: 835.71 ft at 10:00PM Sep 22, 2023Observed: 835.71 ft at 10:30PM Sep 22, 2023Observed: 835.71 ft at 11:00PM Sep 22, 2023Observed: 835.7 ft at 11:30PM Sep 22, 2023Observed: 835.7 ft at 12:00AM Sep 23, 2023Observed: 835.7 ft at 12:30AM Sep 23, 2023Observed: 835.7 ft at 1:00AM Sep 23, 2023Observed: 835.69 ft at 1:30AM Sep 23, 2023Observed: 835.69 ft at 2:00AM Sep 23, 2023Observed: 835.69 ft at 2:30AM Sep 23, 2023Observed: 835.69 ft at 3:00AM Sep 23, 2023Observed: 835.69 ft at 3:30AM Sep 23, 2023Observed: 835.69 ft at 4:00AM Sep 23, 2023Observed: 835.69 ft at 4:30AM Sep 23, 2023Observed: 835.69 ft at 5:00AM Sep 23, 2023Observed: 835.69 ft at 5:30AM Sep 23, 2023Observed: 835.69 ft at 6:00AM Sep 23, 2023Observed: 835.69 ft at 6:30AM Sep 23, 2023Observed: 835.69 ft at 7:00AM Sep 23, 2023Observed: 835.69 ft at 7:30AM Sep 23, 2023Observed: 835.68 ft at 8:00AM Sep 23, 2023Observed: 835.67 ft at 8:30AM Sep 23, 2023Observed: 835.67 ft at 9:00AM Sep 23, 2023Observed: 835.67 ft at 9:30AM Sep 23, 2023Observed: 835.66 ft at 10:00AM Sep 23, 2023Observed: 835.65 ft at 10:30AM Sep 23, 2023Observed: 835.65 ft at 11:00AM Sep 23, 2023Observed: 835.65 ft at 11:30AM Sep 23, 2023Observed: 835.64 ft at 12:00PM Sep 23, 2023Observed: 835.64 ft at 1:30PM Sep 23, 2023Observed: 835.64 ft at 2:00PM Sep 23, 2023Observed: 835.63 ft at 3:30PM Sep 23, 2023Observed: 835.61 ft at 4:00PM Sep 23, 2023Observed: 835.62 ft at 4:30PM Sep 23, 2023Observed: 835.62 ft at 5:00PM Sep 23, 2023Observed: 835.61 ft at 5:30PM Sep 23, 2023Observed: 835.62 ft at 6:00PM Sep 23, 2023Observed: 835.61 ft at 6:30PM Sep 23, 2023Observed: 835.62 ft at 7:00PM Sep 23, 2023Observed: 835.63 ft at 7:30PM Sep 23, 2023Observed: 835.63 ft at 8:00PM Sep 23, 2023Observed: 835.63 ft at 9:30PM Sep 23, 2023Observed: 835.63 ft at 10:00PM Sep 23, 2023Observed: 835.63 ft at 10:30PM Sep 23, 2023Observed: 835.63 ft at 11:00PM Sep 23, 2023Observed: 835.63 ft at 11:30PM Sep 23, 2023Observed: 835.63 ft at 12:00AM Sep 24, 2023Observed: 835.63 ft at 12:30AM Sep 24, 2023Observed: 835.63 ft at 1:00AM Sep 24, 2023Observed: 835.63 ft at 1:30AM Sep 24, 2023Observed: 835.63 ft at 2:00AM Sep 24, 2023Observed: 835.62 ft at 2:30AM Sep 24, 2023Observed: 835.62 ft at 3:00AM Sep 24, 2023Observed: 835.62 ft at 3:30AM Sep 24, 2023Observed: 835.62 ft at 4:00AM Sep 24, 2023Observed: 835.62 ft at 4:30AM Sep 24, 2023Observed: 835.62 ft at 5:00AM Sep 24, 2023Observed: 835.62 ft at 5:30AM Sep 24, 2023Observed: 835.62 ft at 6:00AM Sep 24, 2023Observed: 835.62 ft at 6:30AM Sep 24, 2023Observed: 835.62 ft at 7:00AM Sep 24, 2023Observed: 835.62 ft at 7:30AM Sep 24, 2023Observed: 835.62 ft at 8:00AM Sep 24, 2023Observed: 835.62 ft at 8:30AM Sep 24, 2023Observed: 835.62 ft at 9:00AM Sep 24, 2023Observed: 835.62 ft at 9:30AM Sep 24, 2023Observed: 835.62 ft at 10:00AM Sep 24, 2023Observed: 835.62 ft at 10:30AM Sep 24, 2023Observed: 835.62 ft at 11:00AM Sep 24, 2023Observed: 835.62 ft at 11:30AM Sep 24, 2023Observed: 835.62 ft at 12:00PM Sep 24, 2023Observed: 835.61 ft at 12:30PM Sep 24, 2023Observed: 835.61 ft at 1:00PM Sep 24, 2023Observed: 835.61 ft at 1:30PM Sep 24, 2023Observed: 835.61 ft at 2:00PM Sep 24, 2023Observed: 835.61 ft at 2:30PM Sep 24, 2023Observed: 835.61 ft at 3:00PM Sep 24, 2023Observed: 835.6 ft at 4:30PM Sep 24, 2023Observed: 835.6 ft at 5:00PM Sep 24, 2023Observed: 835.6 ft at 5:30PM Sep 24, 2023Observed: 835.6 ft at 6:00PM Sep 24, 2023Observed: 835.6 ft at 6:30PM Sep 24, 2023Observed: 835.6 ft at 7:00PM Sep 24, 2023Observed: 835.6 ft at 7:30PM Sep 24, 2023Observed: 835.59 ft at 8:00PM Sep 24, 2023Observed: 835.59 ft at 8:30PM Sep 24, 2023Observed: 835.59 ft at 9:00PM Sep 24, 2023Observed: 835.59 ft at 9:30PM Sep 24, 2023Observed: 835.59 ft at 10:00PM Sep 24, 2023Observed: 835.59 ft at 10:30PM Sep 24, 2023Observed: 835.59 ft at 11:00PM Sep 24, 2023Observed: 835.59 ft at 12:30AM Sep 25, 2023Observed: 835.59 ft at 1:00AM Sep 25, 2023Observed: 835.59 ft at 1:30AM Sep 25, 2023Observed: 835.59 ft at 2:00AM Sep 25, 2023Observed: 835.59 ft at 2:30AM Sep 25, 2023Observed: 835.59 ft at 3:00AM Sep 25, 2023Observed: 835.58 ft at 3:30AM Sep 25, 2023Observed: 835.58 ft at 4:00AM Sep 25, 2023Observed: 835.58 ft at 4:30AM Sep 25, 2023Observed: 835.58 ft at 5:00AM Sep 25, 2023Observed: 835.58 ft at 5:30AM Sep 25, 2023Observed: 835.58 ft at 6:00AM Sep 25, 2023Observed: 835.58 ft at 6:30AM Sep 25, 2023Observed: 835.58 ft at 7:00AM Sep 25, 2023Observed: 835.58 ft at 7:30AM Sep 25, 2023Observed: 835.58 ft at 8:00AM Sep 25, 2023Observed: 835.57 ft at 8:30AM Sep 25, 2023Observed: 835.57 ft at 9:00AM Sep 25, 2023Observed: 835.57 ft at 9:30AM Sep 25, 2023Observed: 835.57 ft at 10:00AM Sep 25, 2023Observed: 835.56 ft at 10:30AM Sep 25, 2023Observed: 835.56 ft at 11:00AM Sep 25, 2023Observed: 835.56 ft at 11:30AM Sep 25, 2023Observed: 835.56 ft at 12:00PM Sep 25, 2023Observed: 835.56 ft at 12:30PM Sep 25, 2023Observed: 835.56 ft at 1:00PM Sep 25, 2023Observed: 835.56 ft at 1:30PM Sep 25, 2023Observed: 835.56 ft at 2:00PM Sep 25, 2023Observed: 835.56 ft at 2:30PM Sep 25, 2023Observed: 835.56 ft at 3:00PM Sep 25, 2023Observed: 835.56 ft at 3:30PM Sep 25, 2023Observed: 835.56 ft at 4:00PM Sep 25, 2023Observed: 835.56 ft at 4:30PM Sep 25, 2023Observed: 835.57 ft at 5:00PM Sep 25, 2023Observed: 835.57 ft at 5:30PM Sep 25, 2023Observed: 835.56 ft at 6:00PM Sep 25, 2023Observed: 835.56 ft at 6:30PM Sep 25, 2023Observed: 835.55 ft at 7:00PM Sep 25, 2023Observed: 835.55 ft at 7:30PM Sep 25, 2023Observed: 835.55 ft at 8:00PM Sep 25, 2023Observed: 835.55 ft at 8:30PM Sep 25, 2023Observed: 835.55 ft at 9:00PM Sep 25, 2023Observed: 835.55 ft at 9:30PM Sep 25, 2023Observed: 835.55 ft at 10:00PM Sep 25, 2023Observed: 835.55 ft at 11:30PM Sep 25, 2023Observed: 835.55 ft at 12:00AM Sep 26, 2023Observed: 835.55 ft at 12:30AM Sep 26, 2023Observed: 835.55 ft at 1:00AM Sep 26, 2023Observed: 835.55 ft at 1:30AM Sep 26, 2023Observed: 835.55 ft at 2:00AM Sep 26, 2023Observed: 835.55 ft at 2:30AM Sep 26, 2023Observed: 835.55 ft at 3:00AM Sep 26, 2023Observed: 835.55 ft at 3:30AM Sep 26, 2023Observed: 835.55 ft at 4:00AM Sep 26, 2023Observed: 835.55 ft at 4:30AM Sep 26, 2023Observed: 835.55 ft at 5:00AM Sep 26, 2023Observed: 835.55 ft at 5:30AM Sep 26, 2023Observed: 835.55 ft at 6:00AM Sep 26, 2023Observed: 835.55 ft at 6:30AM Sep 26, 2023Observed: 835.55 ft at 7:00AM Sep 26, 2023USACE--Rivergages.comSAYI4(plotting HPIRG) Graph Created (8:03AM Sep 26, 2023)ObservedLatest observed value: 835.55 ft at 7:00 AM CDT 26-Sep-2023. Flood Stage is 884 ft
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About this graph
Tabular Data (UTC)
Tabular Data (CDT)
XML Data
RSS Files
Datum: NGVD29
Metadata
NOTE: Forecasts are not available for the Des Moines River at Saylorville Reservoir. Only observed stages are available for this point.

More information on datums is available at www.ngs.noaa.gov/faq.shtml

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Upstream Locations Upstream Gauge Downstream Gauge Downstream Gauge - at Saylorville Tail
Flood Categories (in feet)
Major Flood Stage: 0
Moderate Flood Stage: 0
Flood Stage: 884
Action Stage: 0
Low Stage (in feet): -9999

Historic Crests
(1) 892.03 ft on 07/11/1993
(2) 891.03 ft on 06/12/2008
(3) 889.25 ft on 06/22/1984
(4) 889.15 ft on 07/01/2010
(5) 888.99 ft on 06/11/1991
(6) 883.59 ft on 04/06/1979
(7) 881.20 ft on 04/22/1983
(8) 878.91 ft on 05/14/2001
(9) 877.57 ft on 07/06/2014
(10) 871.29 ft on 07/03/2011
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 842.34 ft on 05/05/2017
(2) 837.32 ft on 03/09/2017
(3) 838.02 ft on 02/23/2017
(4) 850.59 ft on 09/30/2016
(5) 837.51 ft on 09/12/2016
(6) 837.19 ft on 06/18/2016
(7) 843.92 ft on 05/07/2016
(8) 843.71 ft on 02/25/2016
(9) 865.83 ft on 12/22/2015
(10) 837.01 ft on 09/13/2015
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
Currently none available.

For more information on your flood risk go to www.floodsmart.gov.

Zoom Level:12
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
915.5 This is the top of the Saylorville Dam.
892.83 Water reaches the low beams of the Iowa 415 bridge.
892.02 The Iowa 415 bridge is closed.
890 This is the top of the Saylorville Dam spillway when pneumatic crest gates are used. Without the crest gates...the top of the spillway is 884 feet.
886 US 30 west of Boone floods.
884 This is the top of the Saylorville Dam spillway when pneumatic crest gates are not used. If the pool approaches...or is forecast to exceed 884 feet then pneumatic crest gates can be used to raise the spillway elevation to 890 feet.
870 The main entrance to Jester Park floods.
858 Ledges State Park Road floods.
847 Northwest Jester Park Drive is closed.
About This Location Collapse

Latitude: 41.703610° N, Longitude: 93.689170° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 884 ft Interpreting hydrographs and NWS watch, warnings, and forecasts, and inundation maps
Vertical Datum Elevation
(gauge height = 0)
Elevation
(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 0.0 ft Not Available Older USGS topographic maps, NGVD29 benchmarks
MSL Not Available Not Available Older USGS topographic maps, MSL benchmarks
Other Not Available Not Available  

Current/Historical Observations:

Additional Information Collapse
Resources Collapse
Hydrologic Resources Additional Resources
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
Des Moines Weather Forecast Office
9607 NW Beaver Dr.
Des Moines, IA 50131
(515) 270-2614
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Page last modified: 2-Nov-2020 7:29 PM
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