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Hydrograph River at a Glance Download
Des Moines River at Saylorville Reservoir Pool (ft)Flow (cfs)Observed: 836.94 ft at 12:00PM Apr 13, 2024Observed: 836.94 ft at 12:30PM Apr 13, 2024Observed: 836.93 ft at 1:00PM Apr 13, 2024Observed: 836.92 ft at 1:30PM Apr 13, 2024Observed: 836.91 ft at 2:00PM Apr 13, 2024Observed: 836.94 ft at 2:30PM Apr 13, 2024Observed: 836.9 ft at 3:00PM Apr 13, 2024Observed: 836.9 ft at 3:30PM Apr 13, 2024Observed: 836.91 ft at 4:00PM Apr 13, 2024Observed: 836.9 ft at 4:30PM Apr 13, 2024Observed: 836.9 ft at 5:00PM Apr 13, 2024Observed: 836.93 ft at 5:30PM Apr 13, 2024Observed: 836.92 ft at 6:00PM Apr 13, 2024Observed: 836.93 ft at 6:30PM Apr 13, 2024Observed: 836.94 ft at 7:00PM Apr 13, 2024Observed: 836.94 ft at 7:30PM Apr 13, 2024Observed: 836.95 ft at 8:00PM Apr 13, 2024Observed: 836.95 ft at 8:30PM Apr 13, 2024Observed: 836.96 ft at 9:00PM Apr 13, 2024Observed: 836.95 ft at 9:30PM Apr 13, 2024Observed: 836.95 ft at 10:00PM Apr 13, 2024Observed: 836.95 ft at 10:30PM Apr 13, 2024Observed: 836.95 ft at 11:00PM Apr 13, 2024Observed: 836.95 ft at 11:30PM Apr 13, 2024Observed: 836.95 ft at 12:00AM Apr 14, 2024Observed: 836.95 ft at 12:30AM Apr 14, 2024Observed: 836.96 ft at 1:00AM Apr 14, 2024Observed: 836.95 ft at 1:30AM Apr 14, 2024Observed: 836.96 ft at 2:00AM Apr 14, 2024Observed: 836.95 ft at 2:30AM Apr 14, 2024Observed: 836.96 ft at 3:00AM Apr 14, 2024Observed: 836.95 ft at 3:30AM Apr 14, 2024Observed: 836.96 ft at 4:00AM Apr 14, 2024Observed: 836.96 ft at 4:30AM Apr 14, 2024Observed: 836.95 ft at 5:00AM Apr 14, 2024Observed: 836.95 ft at 5:30AM Apr 14, 2024Observed: 836.95 ft at 6:00AM Apr 14, 2024Observed: 836.96 ft at 6:30AM Apr 14, 2024Observed: 836.95 ft at 7:00AM Apr 14, 2024Observed: 836.96 ft at 7:30AM Apr 14, 2024Observed: 836.95 ft at 8:00AM Apr 14, 2024Observed: 836.95 ft at 8:30AM Apr 14, 2024Observed: 836.95 ft at 9:00AM Apr 14, 2024Observed: 836.95 ft at 9:30AM Apr 14, 2024Observed: 836.95 ft at 10:00AM Apr 14, 2024Observed: 836.95 ft at 10:30AM Apr 14, 2024Observed: 836.95 ft at 11:00AM Apr 14, 2024Observed: 836.95 ft at 11:30AM Apr 14, 2024Observed: 836.96 ft at 12:00PM Apr 14, 2024Observed: 836.96 ft at 12:30PM Apr 14, 2024Observed: 836.95 ft at 1:00PM Apr 14, 2024Observed: 836.95 ft at 1:30PM Apr 14, 2024Observed: 836.96 ft at 2:00PM Apr 14, 2024Observed: 836.95 ft at 2:30PM Apr 14, 2024Observed: 836.96 ft at 3:00PM Apr 14, 2024Observed: 836.96 ft at 3:30PM Apr 14, 2024Observed: 836.95 ft at 4:00PM Apr 14, 2024Observed: 836.96 ft at 4:30PM Apr 14, 2024Observed: 836.95 ft at 5:00PM Apr 14, 2024Observed: 836.94 ft at 5:30PM Apr 14, 2024Observed: 836.95 ft at 6:00PM Apr 14, 2024Observed: 836.95 ft at 6:30PM Apr 14, 2024Observed: 836.95 ft at 7:00PM Apr 14, 2024Observed: 836.95 ft at 7:30PM Apr 14, 2024Observed: 836.95 ft at 8:00PM Apr 14, 2024Observed: 836.94 ft at 8:30PM Apr 14, 2024Observed: 836.94 ft at 9:00PM Apr 14, 2024Observed: 836.95 ft at 9:30PM Apr 14, 2024Observed: 836.93 ft at 10:00PM Apr 14, 2024Observed: 836.93 ft at 10:30PM Apr 14, 2024Observed: 836.92 ft at 11:00PM Apr 14, 2024Observed: 836.92 ft at 1:30AM Apr 15, 2024Observed: 836.92 ft at 2:00AM Apr 15, 2024Observed: 836.92 ft at 2:30AM Apr 15, 2024Observed: 836.92 ft at 3:00AM Apr 15, 2024Observed: 836.92 ft at 3:30AM Apr 15, 2024Observed: 836.91 ft at 4:00AM Apr 15, 2024Observed: 836.91 ft at 4:30AM Apr 15, 2024Observed: 836.91 ft at 5:00AM Apr 15, 2024Observed: 836.91 ft at 5:30AM Apr 15, 2024Observed: 836.91 ft at 6:00AM Apr 15, 2024Observed: 836.91 ft at 6:30AM Apr 15, 2024Observed: 836.9 ft at 7:00AM Apr 15, 2024Observed: 836.9 ft at 7:30AM Apr 15, 2024Observed: 836.9 ft at 8:00AM Apr 15, 2024Observed: 836.89 ft at 8:30AM Apr 15, 2024Observed: 836.89 ft at 9:00AM Apr 15, 2024Observed: 836.89 ft at 9:30AM Apr 15, 2024Observed: 836.87 ft at 10:00AM Apr 15, 2024Observed: 836.86 ft at 10:30AM Apr 15, 2024Observed: 836.86 ft at 11:00AM Apr 15, 2024Observed: 836.86 ft at 11:30AM Apr 15, 2024Observed: 836.85 ft at 12:00PM Apr 15, 2024Observed: 836.85 ft at 12:30PM Apr 15, 2024Observed: 836.84 ft at 1:00PM Apr 15, 2024Observed: 836.82 ft at 1:30PM Apr 15, 2024Observed: 836.84 ft at 2:00PM Apr 15, 2024Observed: 836.83 ft at 2:30PM Apr 15, 2024Observed: 836.84 ft at 3:00PM Apr 15, 2024Observed: 836.83 ft at 3:30PM Apr 15, 2024Observed: 836.82 ft at 4:00PM Apr 15, 2024Observed: 836.83 ft at 4:30PM Apr 15, 2024Observed: 836.82 ft at 5:00PM Apr 15, 2024Observed: 836.81 ft at 5:30PM Apr 15, 2024Observed: 836.81 ft at 6:00PM Apr 15, 2024Observed: 836.81 ft at 6:30PM Apr 15, 2024Observed: 836.81 ft at 7:00PM Apr 15, 2024Observed: 836.82 ft at 7:30PM Apr 15, 2024Observed: 836.83 ft at 8:00PM Apr 15, 2024Observed: 836.83 ft at 8:30PM Apr 15, 2024Observed: 836.83 ft at 9:00PM Apr 15, 2024Observed: 836.83 ft at 9:30PM Apr 15, 2024Observed: 836.82 ft at 10:00PM Apr 15, 2024Observed: 836.81 ft at 10:30PM Apr 15, 2024Observed: 836.81 ft at 11:00PM Apr 15, 2024Observed: 836.8 ft at 11:30PM Apr 15, 2024Observed: 836.79 ft at 12:00AM Apr 16, 2024Observed: 836.79 ft at 12:30AM Apr 16, 2024Observed: 836.79 ft at 1:00AM Apr 16, 2024Observed: 836.78 ft at 1:30AM Apr 16, 2024Observed: 836.77 ft at 2:00AM Apr 16, 2024Observed: 836.76 ft at 2:30AM Apr 16, 2024Observed: 836.78 ft at 3:00AM Apr 16, 2024Observed: 836.81 ft at 3:30AM Apr 16, 2024Observed: 836.77 ft at 4:00AM Apr 16, 2024Observed: 836.77 ft at 4:30AM Apr 16, 2024Observed: 836.78 ft at 5:00AM Apr 16, 2024Observed: 836.78 ft at 6:30AM Apr 16, 2024Observed: 836.78 ft at 7:00AM Apr 16, 2024Observed: 836.77 ft at 7:30AM Apr 16, 2024Observed: 836.77 ft at 8:00AM Apr 16, 2024Observed: 836.76 ft at 8:30AM Apr 16, 2024Observed: 836.76 ft at 9:00AM Apr 16, 2024Observed: 836.76 ft at 9:30AM Apr 16, 2024Observed: 836.75 ft at 10:00AM Apr 16, 2024Observed: 836.73 ft at 10:30AM Apr 16, 2024Observed: 836.68 ft at 11:00AM Apr 16, 2024Observed: 836.67 ft at 11:30AM Apr 16, 2024Observed: 836.88 ft at 12:00PM Apr 16, 2024Observed: 836.81 ft at 12:30PM Apr 16, 2024Observed: 836.84 ft at 1:00PM Apr 16, 2024Observed: 836.79 ft at 1:30PM Apr 16, 2024Observed: 836.79 ft at 2:00PM Apr 16, 2024Observed: 836.79 ft at 2:30PM Apr 16, 2024Observed: 836.78 ft at 3:00PM Apr 16, 2024Observed: 836.81 ft at 3:30PM Apr 16, 2024Observed: 836.83 ft at 4:00PM Apr 16, 2024Observed: 836.81 ft at 4:30PM Apr 16, 2024Observed: 836.83 ft at 5:00PM Apr 16, 2024Observed: 836.81 ft at 5:30PM Apr 16, 2024Observed: 836.83 ft at 6:00PM Apr 16, 2024Observed: 836.86 ft at 6:30PM Apr 16, 2024Observed: 836.83 ft at 7:00PM Apr 16, 2024Observed: 836.85 ft at 7:30PM Apr 16, 2024Observed: 836.85 ft at 8:00PM Apr 16, 2024Observed: 836.83 ft at 8:30PM Apr 16, 2024Observed: 836.85 ft at 9:00PM Apr 16, 2024Observed: 836.85 ft at 9:30PM Apr 16, 2024Observed: 836.86 ft at 10:00PM Apr 16, 2024Observed: 836.88 ft at 10:30PM Apr 16, 2024Observed: 836.89 ft at 11:00PM Apr 16, 2024Observed: 836.91 ft at 11:30PM Apr 16, 2024Observed: 836.92 ft at 12:00AM Apr 17, 2024Observed: 836.95 ft at 12:30AM Apr 17, 2024Observed: 836.96 ft at 1:00AM Apr 17, 2024Observed: 836.97 ft at 1:30AM Apr 17, 2024Observed: 836.98 ft at 2:00AM Apr 17, 2024Observed: 837 ft at 2:30AM Apr 17, 2024Observed: 837.01 ft at 3:00AM Apr 17, 2024Observed: 837.03 ft at 3:30AM Apr 17, 2024Observed: 837.06 ft at 4:00AM Apr 17, 2024Observed: 837.09 ft at 4:30AM Apr 17, 2024Observed: 837.11 ft at 5:00AM Apr 17, 2024Observed: 837.15 ft at 5:30AM Apr 17, 2024Observed: 837.14 ft at 6:00AM Apr 17, 2024Observed: 837.17 ft at 6:30AM Apr 17, 2024Observed: 837.17 ft at 7:00AM Apr 17, 2024Observed: 837.19 ft at 7:30AM Apr 17, 2024Observed: 837.23 ft at 8:00AM Apr 17, 2024Observed: 837.24 ft at 8:30AM Apr 17, 2024Observed: 837.24 ft at 9:00AM Apr 17, 2024Highest Observation: 837.25 ft at 9:30AM Apr 17, 2024Observed: 837.24 ft at 10:00AM Apr 17, 2024Observed: 837.22 ft at 10:30AM Apr 17, 2024Observed: 837.22 ft at 11:00AM Apr 17, 2024Observed: 837.21 ft at 11:30AM Apr 17, 2024Highest Observation: 837.25 ft at 12:00PM Apr 17, 2024Observed: 837.23 ft at 12:30PM Apr 17, 2024Observed: 837.23 ft at 1:00PM Apr 17, 2024Observed: 837.2 ft at 1:30PM Apr 17, 2024Observed: 837.19 ft at 2:00PM Apr 17, 2024Observed: 837.18 ft at 2:30PM Apr 17, 2024Observed: 837.17 ft at 3:00PM Apr 17, 2024Observed: 837.16 ft at 3:30PM Apr 17, 2024Observed: 837.17 ft at 4:00PM Apr 17, 2024Observed: 837.15 ft at 4:30PM Apr 17, 2024Observed: 837.14 ft at 5:00PM Apr 17, 2024Observed: 837.14 ft at 5:30PM Apr 17, 2024Observed: 837.14 ft at 6:00PM Apr 17, 2024Observed: 837.13 ft at 6:30PM Apr 17, 2024Observed: 837.13 ft at 7:00PM Apr 17, 2024Observed: 837.12 ft at 7:30PM Apr 17, 2024Observed: 837.11 ft at 8:00PM Apr 17, 2024Observed: 837.1 ft at 8:30PM Apr 17, 2024Observed: 837.1 ft at 9:00PM Apr 17, 2024Observed: 837.1 ft at 9:30PM Apr 17, 2024Observed: 837.1 ft at 10:00PM Apr 17, 2024Observed: 837.09 ft at 10:30PM Apr 17, 2024Observed: 837.09 ft at 11:00PM Apr 17, 2024Observed: 837.09 ft at 11:30PM Apr 17, 2024Observed: 837.1 ft at 12:00AM Apr 18, 2024Observed: 837.1 ft at 12:30AM Apr 18, 2024Observed: 837.09 ft at 1:00AM Apr 18, 2024Observed: 837.09 ft at 1:30AM Apr 18, 2024Observed: 837.1 ft at 2:00AM Apr 18, 2024Observed: 837.1 ft at 2:30AM Apr 18, 2024Observed: 837.11 ft at 3:00AM Apr 18, 2024Observed: 837.08 ft at 3:30AM Apr 18, 2024Observed: 837.09 ft at 4:00AM Apr 18, 2024Observed: 837.11 ft at 4:30AM Apr 18, 2024Observed: 837.09 ft at 5:00AM Apr 18, 2024Observed: 837.13 ft at 5:30AM Apr 18, 2024Observed: 837.12 ft at 6:00AM Apr 18, 2024Observed: 837.13 ft at 6:30AM Apr 18, 2024Observed: 837.13 ft at 7:00AM Apr 18, 2024Observed: 837.12 ft at 7:30AM Apr 18, 2024Observed: 837.14 ft at 8:00AM Apr 18, 2024Observed: 837.13 ft at 8:30AM Apr 18, 2024Observed: 837.13 ft at 9:00AM Apr 18, 2024Observed: 837.13 ft at 9:30AM Apr 18, 2024Observed: 837.13 ft at 10:00AM Apr 18, 2024Observed: 837.13 ft at 10:30AM Apr 18, 2024Observed: 837.13 ft at 11:00AM Apr 18, 2024USACE--Rivergages.comSAYI4(plotting HPIRG) Graph Created (11:33AM Apr 18, 2024)ObservedLatest observed value: 837.13 ft at 11:00 AM CDT 18-Apr-2024. Flood Stage is 884 ft
Printable Image
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

Return to Area Map
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) 886.19 ft on 07/09/2018
(7) 883.59 ft on 04/06/1979 (P)
(8) 881.20 ft on 04/22/1983
(9) 880.52 ft on 03/30/2019
(10) 878.91 ft on 05/14/2001 (P)
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 837.66 ft on 03/02/2023 (P)
(2) 839.17 ft on 12/26/2021 (P)
(3) 838.59 ft on 12/24/2020 (P)
(4) 844.39 ft on 06/01/2020 (P)
(5) 880.52 ft on 03/30/2019
(6) 886.19 ft on 07/09/2018
(7) 850.39 ft on 10/01/2016 (P)
(8) 865.83 ft on 12/22/2015 (P)
(9) 845.47 ft on 06/29/2015 (P)
(10) 877.57 ft on 07/06/2014 (P)
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) 829.27 ft on 03/08/2013
(2) 831.57 ft on 01/02/2023
(3) 832.23 ft on 03/09/1989
(4) 832.41 ft on 03/03/1979
(5) 832.53 ft on 03/09/2014
Show More Low Water Records

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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