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.

Weather Forecast Office Bismarck, ND

Missouri Basin River Forecast Center

Hydrograph

River at a Glance

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Probability Information

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Printable Image About this graph Tabular Data (UTC) Tabular Data (MDT) Datum: NGVD29 Metadata

NOTE: Forecasts are not available for the Heart River at Dickinson Dam. Only observed stages are available for this point.

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Downstream Gauge

Flood Categories (in feet) Not Available Historic Crests (1) 2,422.19 ft on 03/21/1997 (2) 2,421.05 ft on 10/29/1983 (3) 2,421.04 ft on 06/09/1982 (4) 2,420.77 ft on 04/13/2009 (5) 2,420.77 ft on 06/19/1984 Show More Historic Crests (P): Preliminary values subject to further review. Recent Crests (1) 2,420.69 ft on 06/01/2013 (2) 2,420.10 ft on 05/05/2012 (3) 2,420.76 ft on 04/02/2011 (4) 2,420.63 ft on 03/31/2010 (5) 2,420.77 ft on 04/13/2009 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. Show FEMA's National Flood Hazard Layers FEMA's National Flood Hazard Layers not showing? Why aren't the FEMA National Flood Hazard Layers showing on the ESRI Map? Possible reasons: There are no FEMA National Flood Hazard Layers for the location which you are viewing on ESRI Maps. The FEMA Web Mapping Service (WMS) is down. Note: Your zoom level may have changed. ESRI's zoom levels must be between 14 and 16 to show National Flood Hazard layers.

Zoom Level:16 Legend FEMA Layer Gauge Location 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

If you notice any errors in the below information, please contact our Webmaster
2436.6	Crest elevation of dam.
2428.9	At this level, capacity of spillway is 33,200 cfs.
2423.5	Auxillary spillway crest elevation.
2420	Top of Active Conservation pool and service spillway gate crest elevation.
2416.5	Outlet works capacity is 40 cfs at this level.
2405	Top of inactive conservation.
2404	Top of dead storage.

About This Location

Latitude: 46.869722° N, Longitude: 102.826944° W, Horizontal Datum: NAD27 River Stage Reference Frame Gauge Height Flood Stage Uses NWS stage 0 ft Not Available 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 Not Available 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: U.S. Geological Survey (USGS) Data and Site Info for Dickinson Dam

Additional Information

This facility is also know as E. A. Patterson Lake and is operated by the U.S. Bureau of Reclamation.

Resources

Hydrologic Resources Text Products Past Precipitation Forecast Precipitation River Forecast Centers River Stage Summary Inundation Mapping Locations

Additional Resources Area Hydrographs NWS Precipitation and River Forecasting AHPS Iframes for Developers Mobile iNWS for emergency management Snow Information AHPS User Guide for the Public USGS ND River Data

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. NWS Information National Weather Service Bismarck Weather Forecast Office 2301 University Drive, Building 27 Bismarck, ND 58502-1016 (701) 250-4224 Ask Questions/Webmaster Page last modified: 2-Nov-2020 7:29 PM Disclaimer Credits Glossary Privacy Policy About Us Career Opportunities