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Hydrograph River at a Glance Download
Heart River near Mandan Stage (ft)Flow (kcfs)Observed: 1.8 ft at 9:00AM May 22, 2022Observed: 1.83 ft at 9:15AM May 22, 2022Observed: 1.79 ft at 9:30AM May 22, 2022Observed: 1.76 ft at 9:45AM May 22, 2022Observed: 1.83 ft at 10:00AM May 22, 2022Observed: 1.82 ft at 10:15AM May 22, 2022Observed: 1.83 ft at 10:30AM May 22, 2022Observed: 1.82 ft at 10:45AM May 22, 2022Observed: 1.75 ft at 11:00AM May 22, 2022Observed: 1.79 ft at 11:15AM May 22, 2022Observed: 1.82 ft at 11:30AM May 22, 2022Observed: 1.82 ft at 11:45AM May 22, 2022Observed: 1.82 ft at 11:46AM May 22, 2022Observed: 1.84 ft at 12:00PM May 22, 2022Observed: 1.84 ft at 12:01PM May 22, 2022Observed: 1.82 ft at 12:15PM May 22, 2022Observed: 1.82 ft at 12:16PM May 22, 2022Observed: 1.84 ft at 12:30PM May 22, 2022Observed: 1.84 ft at 12:31PM May 22, 2022Observed: 1.8 ft at 12:45PM May 22, 2022Observed: 1.8 ft at 12:46PM May 22, 2022Highest Observation: 1.85 ft at 1:00PM May 22, 2022Highest Observation: 1.85 ft at 1:01PM May 22, 2022Observed: 1.81 ft at 1:15PM May 22, 2022Observed: 1.81 ft at 1:16PM May 22, 2022Observed: 1.82 ft at 1:30PM May 22, 2022Observed: 1.82 ft at 1:31PM May 22, 2022Observed: 1.79 ft at 1:45PM May 22, 2022Observed: 1.82 ft at 2:00PM May 22, 2022Observed: 1.83 ft at 2:15PM May 22, 2022Observed: 1.84 ft at 2:30PM May 22, 2022Observed: 1.8 ft at 2:45PM May 22, 2022Observed: 1.78 ft at 3:00PM May 22, 2022Observed: 1.81 ft at 3:15PM May 22, 2022Observed: 1.78 ft at 3:30PM May 22, 2022Observed: 1.83 ft at 3:45PM May 22, 2022Observed: 1.79 ft at 4:00PM May 22, 2022Observed: 1.78 ft at 4:15PM May 22, 2022Observed: 1.8 ft at 4:30PM May 22, 2022Observed: 1.83 ft at 4:45PM May 22, 2022Observed: 1.78 ft at 5:00PM May 22, 2022Observed: 1.82 ft at 5:15PM May 22, 2022Observed: 1.81 ft at 5:30PM May 22, 2022Observed: 1.78 ft at 5:45PM May 22, 2022Observed: 1.77 ft at 6:00PM May 22, 2022Observed: 1.82 ft at 6:15PM May 22, 2022Observed: 1.8 ft at 6:30PM May 22, 2022Observed: 1.82 ft at 6:45PM May 22, 2022Observed: 1.75 ft at 7:00PM May 22, 2022Observed: 1.8 ft at 7:15PM May 22, 2022Observed: 1.8 ft at 7:30PM May 22, 2022Observed: 1.74 ft at 7:45PM May 22, 2022Observed: 1.81 ft at 8:00PM May 22, 2022Observed: 1.81 ft at 8:15PM May 22, 2022Observed: 1.74 ft at 8:30PM May 22, 2022Observed: 1.81 ft at 8:45PM May 22, 2022Observed: 1.79 ft at 9:00PM May 22, 2022Observed: 1.74 ft at 9:15PM May 22, 2022Observed: 1.74 ft at 9:30PM May 22, 2022Observed: 1.72 ft at 9:45PM May 22, 2022Observed: 1.76 ft at 10:00PM May 22, 2022Observed: 1.78 ft at 10:15PM May 22, 2022Observed: 1.81 ft at 10:30PM May 22, 2022Observed: 1.8 ft at 10:45PM May 22, 2022Observed: 1.73 ft at 11:00PM May 22, 2022Observed: 1.75 ft at 11:15PM May 22, 2022Observed: 1.74 ft at 11:30PM May 22, 2022Observed: 1.72 ft at 11:45PM May 22, 2022Observed: 1.76 ft at 12:00AM May 23, 2022Observed: 1.76 ft at 12:15AM May 23, 2022Observed: 1.71 ft at 12:30AM May 23, 2022Observed: 1.73 ft at 12:45AM May 23, 2022Observed: 1.77 ft at 1:00AM May 23, 2022Observed: 1.73 ft at 1:15AM May 23, 2022Observed: 1.72 ft at 1:30AM May 23, 2022Observed: 1.71 ft at 1:45AM May 23, 2022Observed: 1.71 ft at 2:00AM May 23, 2022Observed: 1.73 ft at 2:15AM May 23, 2022Observed: 1.69 ft at 2:30AM May 23, 2022Observed: 1.73 ft at 2:45AM May 23, 2022Observed: 1.74 ft at 3:00AM May 23, 2022Observed: 1.73 ft at 3:15AM May 23, 2022Observed: 1.72 ft at 3:30AM May 23, 2022Observed: 1.7 ft at 3:45AM May 23, 2022Observed: 1.72 ft at 4:00AM May 23, 2022Observed: 1.72 ft at 4:01AM May 23, 2022Observed: 1.73 ft at 4:15AM May 23, 2022Observed: 1.73 ft at 4:16AM May 23, 2022Observed: 1.72 ft at 4:30AM May 23, 2022Observed: 1.72 ft at 4:31AM May 23, 2022Observed: 1.71 ft at 4:45AM May 23, 2022Observed: 1.71 ft at 4:46AM May 23, 2022Observed: 1.7 ft at 5:00AM May 23, 2022Observed: 1.7 ft at 5:01AM May 23, 2022Observed: 1.74 ft at 5:15AM May 23, 2022Observed: 1.74 ft at 5:16AM May 23, 2022Observed: 1.68 ft at 5:30AM May 23, 2022Observed: 1.68 ft at 5:31AM May 23, 2022Observed: 1.73 ft at 5:45AM May 23, 2022Observed: 1.73 ft at 5:46AM May 23, 2022Observed: 1.75 ft at 6:00AM May 23, 2022Observed: 1.71 ft at 6:15AM May 23, 2022Observed: 1.73 ft at 6:30AM May 23, 2022Observed: 1.73 ft at 6:45AM May 23, 2022Observed: 1.73 ft at 7:00AM May 23, 2022Observed: 1.72 ft at 7:15AM May 23, 2022Observed: 1.72 ft at 7:30AM May 23, 2022Observed: 1.74 ft at 7:45AM May 23, 2022Observed: 1.77 ft at 8:00AM May 23, 2022Observed: 1.75 ft at 8:15AM May 23, 2022Observed: 1.77 ft at 8:30AM May 23, 2022Observed: 1.76 ft at 8:45AM May 23, 2022Observed: 1.79 ft at 9:00AM May 23, 2022Observed: 1.79 ft at 9:15AM May 23, 2022Observed: 1.78 ft at 9:30AM May 23, 2022Observed: 1.78 ft at 9:45AM May 23, 2022Observed: 1.76 ft at 10:00AM May 23, 2022Observed: 1.81 ft at 10:15AM May 23, 2022Observed: 1.8 ft at 10:30AM May 23, 2022Observed: 1.77 ft at 10:45AM May 23, 2022Observed: 1.82 ft at 11:00AM May 23, 2022Observed: 1.78 ft at 11:15AM May 23, 2022Observed: 1.81 ft at 11:30AM May 23, 2022Observed: 1.78 ft at 11:45AM May 23, 2022Observed: 1.78 ft at 12:00PM May 23, 2022Observed: 1.78 ft at 12:01PM May 23, 2022Observed: 1.79 ft at 12:15PM May 23, 2022Observed: 1.79 ft at 12:16PM May 23, 2022Observed: 1.82 ft at 12:30PM May 23, 2022Observed: 1.82 ft at 12:31PM May 23, 2022Observed: 1.79 ft at 12:45PM May 23, 2022Observed: 1.79 ft at 12:46PM May 23, 2022Observed: 1.78 ft at 1:00PM May 23, 2022Observed: 1.78 ft at 1:01PM May 23, 2022Observed: 1.82 ft at 1:15PM May 23, 2022Observed: 1.82 ft at 1:16PM May 23, 2022Observed: 1.83 ft at 1:30PM May 23, 2022Observed: 1.83 ft at 1:31PM May 23, 2022Observed: 1.76 ft at 1:45PM May 23, 2022Observed: 1.76 ft at 1:46PM May 23, 2022Observed: 1.8 ft at 2:00PM May 23, 2022Observed: 1.78 ft at 2:15PM May 23, 2022Observed: 1.8 ft at 2:30PM May 23, 2022Observed: 1.81 ft at 2:45PM May 23, 2022Observed: 1.79 ft at 3:00PM May 23, 2022Observed: 1.81 ft at 3:15PM May 23, 2022Observed: 1.77 ft at 3:30PM May 23, 2022Observed: 1.79 ft at 3:45PM May 23, 2022Observed: 1.79 ft at 4:00PM May 23, 2022Observed: 1.74 ft at 4:15PM May 23, 2022Observed: 1.81 ft at 4:30PM May 23, 2022Observed: 1.81 ft at 4:45PM May 23, 2022Observed: 1.8 ft at 5:00PM May 23, 2022Observed: 1.82 ft at 5:15PM May 23, 2022Observed: 1.79 ft at 5:30PM May 23, 2022Observed: 1.81 ft at 5:45PM May 23, 2022Observed: 1.82 ft at 6:00PM May 23, 2022Observed: 1.8 ft at 6:15PM May 23, 2022Observed: 1.78 ft at 6:30PM May 23, 2022Observed: 1.84 ft at 6:45PM May 23, 2022Observed: 1.8 ft at 7:00PM May 23, 2022Observed: 1.78 ft at 7:15PM May 23, 2022Observed: 1.79 ft at 7:30PM May 23, 2022Observed: 1.82 ft at 7:45PM May 23, 2022Observed: 1.79 ft at 8:00PM May 23, 2022Observed: 1.79 ft at 8:15PM May 23, 2022Observed: 1.82 ft at 8:30PM May 23, 2022Observed: 1.82 ft at 8:45PM May 23, 2022Observed: 1.81 ft at 9:00PM May 23, 2022Observed: 1.82 ft at 9:15PM May 23, 2022Observed: 1.82 ft at 9:30PM May 23, 2022Observed: 1.82 ft at 9:45PM May 23, 2022Observed: 1.81 ft at 10:00PM May 23, 2022Observed: 1.79 ft at 10:15PM May 23, 2022Observed: 1.75 ft at 10:30PM May 23, 2022Observed: 1.81 ft at 10:45PM May 23, 2022Observed: 1.81 ft at 11:00PM May 23, 2022Observed: 1.77 ft at 11:15PM May 23, 2022Observed: 1.8 ft at 11:30PM May 23, 2022Observed: 1.75 ft at 11:45PM May 23, 2022Observed: 1.79 ft at 12:00AM May 24, 2022Observed: 1.81 ft at 12:15AM May 24, 2022Observed: 1.79 ft at 12:30AM May 24, 2022Observed: 1.79 ft at 12:45AM May 24, 2022Observed: 1.76 ft at 1:00AM May 24, 2022Observed: 1.79 ft at 1:15AM May 24, 2022Observed: 1.77 ft at 1:30AM May 24, 2022Observed: 1.72 ft at 1:45AM May 24, 2022Observed: 1.79 ft at 2:00AM May 24, 2022Observed: 1.73 ft at 2:15AM May 24, 2022Observed: 1.79 ft at 2:30AM May 24, 2022Observed: 1.74 ft at 2:45AM May 24, 2022Observed: 1.74 ft at 3:00AM May 24, 2022Observed: 1.78 ft at 3:15AM May 24, 2022Observed: 1.74 ft at 3:30AM May 24, 2022Observed: 1.74 ft at 3:45AM May 24, 2022Observed: 1.75 ft at 4:00AM May 24, 2022Observed: 1.75 ft at 4:01AM May 24, 2022Observed: 1.76 ft at 4:15AM May 24, 2022Observed: 1.76 ft at 4:16AM May 24, 2022Observed: 1.73 ft at 4:30AM May 24, 2022Observed: 1.73 ft at 4:31AM May 24, 2022Observed: 1.76 ft at 4:45AM May 24, 2022Observed: 1.76 ft at 4:46AM May 24, 2022Observed: 1.76 ft at 5:00AM May 24, 2022Observed: 1.76 ft at 5:01AM May 24, 2022Observed: 1.77 ft at 5:15AM May 24, 2022Observed: 1.77 ft at 5:16AM May 24, 2022Observed: 1.74 ft at 5:30AM May 24, 2022Observed: 1.74 ft at 5:31AM May 24, 2022Observed: 1.78 ft at 5:45AM May 24, 2022Observed: 1.78 ft at 5:46AM May 24, 2022Observed: 1.76 ft at 6:00AM May 24, 2022Observed: 1.74 ft at 6:15AM May 24, 2022Observed: 1.77 ft at 6:30AM May 24, 2022Observed: 1.75 ft at 6:45AM May 24, 2022Observed: 1.76 ft at 7:00AM May 24, 2022Observed: 1.73 ft at 7:15AM May 24, 2022Observed: 1.73 ft at 7:30AM May 24, 2022Observed: 1.75 ft at 7:45AM May 24, 2022Observed: 1.79 ft at 8:00AM May 24, 2022Observed: 1.78 ft at 8:15AM May 24, 2022Observed: 1.76 ft at 8:30AM May 24, 2022Observed: 1.77 ft at 8:45AM May 24, 2022Observed: 1.75 ft at 9:00AM May 24, 2022Observed: 1.78 ft at 9:15AM May 24, 2022Observed: 1.82 ft at 9:30AM May 24, 2022Observed: 1.8 ft at 9:45AM May 24, 2022Observed: 1.81 ft at 10:00AM May 24, 2022Observed: 1.8 ft at 10:15AM May 24, 2022Observed: 1.78 ft at 10:30AM May 24, 2022Observed: 1.81 ft at 10:45AM May 24, 2022Observed: 1.82 ft at 11:00AM May 24, 2022Observed: 1.82 ft at 11:15AM May 24, 2022Observed: 1.77 ft at 11:30AM May 24, 2022Observed: 1.83 ft at 11:45AM May 24, 2022Observed: 1.83 ft at 12:00PM May 24, 2022Observed: 1.83 ft at 12:01PM May 24, 2022Observed: 1.76 ft at 12:15PM May 24, 2022Observed: 1.76 ft at 12:16PM May 24, 2022Observed: 1.74 ft at 12:30PM May 24, 2022Observed: 1.74 ft at 12:31PM May 24, 2022Observed: 1.82 ft at 12:45PM May 24, 2022Observed: 1.82 ft at 12:46PM May 24, 2022Observed: 1.78 ft at 1:00PM May 24, 2022Observed: 1.78 ft at 1:01PM May 24, 2022Observed: 1.8 ft at 1:15PM May 24, 2022Observed: 1.8 ft at 1:16PM May 24, 2022Observed: 1.83 ft at 1:30PM May 24, 2022Observed: 1.83 ft at 1:31PM May 24, 2022Observed: 1.8 ft at 1:45PM May 24, 2022Observed: 1.8 ft at 1:46PM May 24, 2022Observed: 1.82 ft at 2:00PM May 24, 2022Observed: 1.82 ft at 2:15PM May 24, 2022Observed: 1.83 ft at 2:30PM May 24, 2022Observed: 1.81 ft at 2:45PM May 24, 2022Observed: 1.78 ft at 3:00PM May 24, 2022Observed: 1.82 ft at 3:15PM May 24, 2022Observed: 1.77 ft at 3:30PM May 24, 2022Observed: 1.8 ft at 3:45PM May 24, 2022Observed: 1.81 ft at 4:00PM May 24, 2022Observed: 1.78 ft at 4:15PM May 24, 2022Observed: 1.8 ft at 4:30PM May 24, 2022Observed: 1.82 ft at 4:45PM May 24, 2022Observed: 1.8 ft at 5:00PM May 24, 2022Observed: 1.8 ft at 5:15PM May 24, 2022Observed: 1.83 ft at 5:30PM May 24, 2022Observed: 1.77 ft at 5:45PM May 24, 2022Observed: 1.81 ft at 6:00PM May 24, 2022Observed: 1.81 ft at 6:15PM May 24, 2022Observed: 1.79 ft at 6:30PM May 24, 2022Observed: 1.75 ft at 6:45PM May 24, 2022Observed: 1.81 ft at 7:00PM May 24, 2022Observed: 1.79 ft at 7:15PM May 24, 2022Observed: 1.8 ft at 7:30PM May 24, 2022Observed: 1.73 ft at 7:45PM May 24, 2022Observed: 1.8 ft at 8:00PM May 24, 2022Observed: 1.8 ft at 8:01PM May 24, 2022Observed: 1.8 ft at 8:15PM May 24, 2022Observed: 1.8 ft at 8:16PM May 24, 2022Observed: 1.77 ft at 8:30PM May 24, 2022Observed: 1.77 ft at 8:31PM May 24, 2022Observed: 1.73 ft at 8:45PM May 24, 2022Observed: 1.73 ft at 8:46PM May 24, 2022Observed: 1.74 ft at 9:00PM May 24, 2022Observed: 1.74 ft at 9:01PM May 24, 2022Observed: 1.79 ft at 9:15PM May 24, 2022Observed: 1.79 ft at 9:16PM May 24, 2022Observed: 1.79 ft at 9:30PM May 24, 2022Observed: 1.79 ft at 9:31PM May 24, 2022Observed: 1.79 ft at 9:45PM May 24, 2022Observed: 1.79 ft at 9:46PM May 24, 2022Observed: 1.73 ft at 10:00PM May 24, 2022Observed: 1.8 ft at 10:15PM May 24, 2022Observed: 1.71 ft at 10:30PM May 24, 2022Observed: 1.74 ft at 10:45PM May 24, 2022Observed: 1.73 ft at 11:00PM May 24, 2022Observed: 1.72 ft at 11:15PM May 24, 2022Observed: 1.77 ft at 11:30PM May 24, 2022Observed: 1.77 ft at 11:45PM May 24, 2022Observed: 1.78 ft at 12:00AM May 25, 2022Observed: 1.73 ft at 12:15AM May 25, 2022Observed: 1.78 ft at 12:30AM May 25, 2022Observed: 1.76 ft at 12:45AM May 25, 2022Observed: 1.71 ft at 1:00AM May 25, 2022Observed: 1.77 ft at 1:15AM May 25, 2022Observed: 1.73 ft at 1:30AM May 25, 2022Observed: 1.74 ft at 1:45AM May 25, 2022Observed: 1.74 ft at 2:00AM May 25, 2022Observed: 1.72 ft at 2:15AM May 25, 2022Observed: 1.73 ft at 2:30AM May 25, 2022Observed: 1.69 ft at 2:45AM May 25, 2022Observed: 1.76 ft at 3:00AM May 25, 2022Observed: 1.74 ft at 3:15AM May 25, 2022Observed: 1.74 ft at 3:30AM May 25, 2022Observed: 1.72 ft at 3:45AM May 25, 2022Observed: 1.7 ft at 4:00AM May 25, 2022Observed: 1.77 ft at 4:15AM May 25, 2022Observed: 1.73 ft at 4:30AM May 25, 2022Observed: 1.73 ft at 4:45AM May 25, 2022Observed: 1.75 ft at 5:00AM May 25, 2022Observed: 1.74 ft at 5:15AM May 25, 2022Observed: 1.72 ft at 5:30AM May 25, 2022Observed: 1.74 ft at 5:45AM May 25, 2022Observed: 1.72 ft at 6:00AM May 25, 2022Observed: 1.78 ft at 6:15AM May 25, 2022Observed: 1.73 ft at 6:30AM May 25, 2022Observed: 1.78 ft at 6:45AM May 25, 2022Observed: 1.77 ft at 7:00AM May 25, 2022Observed: 1.75 ft at 7:15AM May 25, 2022Observed: 1.78 ft at 7:30AM May 25, 2022Observed: 1.79 ft at 7:45AM May 25, 2022Observed: 1.8 ft at 8:00AM May 25, 2022Observed: 1.75 ft at 8:15AM May 25, 2022USGS--Water Resources of the United StatesMDNN8(plotting HGIRG) Graph Created (8:45AM May 25, 2022)ObservedLatest observed value: 1.75 ft at 8:15 AM CDT 25-May-2022. Flood Stage is 17 ft
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About this graph
Tabular Data (UTC)
Tabular Data (CDT)
XML Data
RSS Files
Datum: NAVD88
Metadata
NOTE: Forecasts for the Heart River near Mandan are issued as needed during times of high water, but are not routinely available.
Return to Area Map
Upstream Gauge - at Heart Butte Dam Upstream Gauge
Flood Categories (in feet)
Major Flood Stage: 28
Moderate Flood Stage: 23
Flood Stage: 17
Action Stage: 15
Low Stage (in feet): -9999

Historic Crests
(1) 25.75 ft on 04/04/1952
(2) 25.38 ft on 03/22/1987
(3) 24.85 ft on 03/25/1978
(4) 24.70 ft on 03/27/1943
(5) 24.21 ft on 03/23/1997
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 0.67 ft on 03/11/2021
(2) 5.76 ft on 03/07/2020
(3) 23.82 ft on 03/24/2019
(4) 7.23 ft on 03/30/2018
(5) 6.02 ft on 03/26/2017
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) 0.00 ft on 08/20/1929
(2) 0.12 ft on 11/21/2002

For more information on your flood risk go to www.floodsmart.gov.
Zoom Level:14
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
28 Town of Mandan will flood due to levees being overtopped at this level.
17 Wooded banks and lowlands west of Mandan will flood above 17 feet.
Photos
(1) Heart River near Mandan-Upstream View
(2) Heart River near Mandan-Downstream View
About This Location Collapse

Latitude: 46.833889° N, Longitude: 100.974167° W, Horizontal Datum: NAD27

River Stage
Reference Frame		 Gauge Height Flood Stage Uses
NWS stage 0 ft 17 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 1639.9 1656.9 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 USGS elevation data.

Current/Historical Observations:
Additional Information Collapse
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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
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