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Hydrograph River at a Glance Download
Two Rivers River at Hallock Stage (ft)Flow (kcfs)Observed: 794.57 ft at 3:30AM Sep 27, 2016Observed: 794.57 ft at 3:45AM Sep 27, 2016Observed: 794.57 ft at 4:00AM Sep 27, 2016Observed: 794.58 ft at 4:15AM Sep 27, 2016Observed: 794.57 ft at 4:30AM Sep 27, 2016Observed: 794.57 ft at 4:45AM Sep 27, 2016Observed: 794.57 ft at 5:00AM Sep 27, 2016Observed: 794.57 ft at 5:15AM Sep 27, 2016Observed: 794.58 ft at 5:30AM Sep 27, 2016Observed: 794.57 ft at 5:45AM Sep 27, 2016Observed: 794.58 ft at 6:00AM Sep 27, 2016Observed: 794.58 ft at 6:15AM Sep 27, 2016Observed: 794.58 ft at 6:30AM Sep 27, 2016Observed: 794.58 ft at 6:45AM Sep 27, 2016Observed: 794.58 ft at 7:00AM Sep 27, 2016Observed: 794.58 ft at 7:15AM Sep 27, 2016Observed: 794.59 ft at 7:30AM Sep 27, 2016Observed: 794.59 ft at 7:45AM Sep 27, 2016Observed: 794.58 ft at 8:00AM Sep 27, 2016Observed: 794.58 ft at 8:15AM Sep 27, 2016Observed: 794.59 ft at 8:30AM Sep 27, 2016Observed: 794.59 ft at 8:45AM Sep 27, 2016Observed: 794.59 ft at 9:00AM Sep 27, 2016Observed: 794.58 ft at 9:15AM Sep 27, 2016Observed: 794.59 ft at 9:30AM Sep 27, 2016Observed: 794.59 ft at 9:45AM Sep 27, 2016Observed: 794.58 ft at 10:00AM Sep 27, 2016Observed: 794.59 ft at 10:15AM Sep 27, 2016Observed: 794.59 ft at 10:30AM Sep 27, 2016Observed: 794.58 ft at 10:45AM Sep 27, 2016Observed: 794.58 ft at 11:00AM Sep 27, 2016Observed: 794.58 ft at 11:15AM Sep 27, 2016Observed: 794.58 ft at 11:30AM Sep 27, 2016Observed: 794.58 ft at 11:45AM Sep 27, 2016Observed: 794.58 ft at 12:00PM Sep 27, 2016Observed: 794.58 ft at 12:15PM Sep 27, 2016Observed: 794.58 ft at 12:30PM Sep 27, 2016Observed: 794.58 ft at 12:45PM Sep 27, 2016Observed: 794.58 ft at 1:00PM Sep 27, 2016Observed: 794.59 ft at 1:15PM Sep 27, 2016Observed: 794.58 ft at 1:30PM Sep 27, 2016Observed: 794.59 ft at 1:45PM Sep 27, 2016Observed: 794.58 ft at 2:00PM Sep 27, 2016Observed: 794.58 ft at 2:15PM Sep 27, 2016Observed: 794.59 ft at 2:30PM Sep 27, 2016Observed: 794.57 ft at 2:45PM Sep 27, 2016Observed: 794.58 ft at 3:00PM Sep 27, 2016Observed: 794.57 ft at 3:15PM Sep 27, 2016Observed: 794.58 ft at 3:30PM Sep 27, 2016Observed: 794.58 ft at 3:45PM Sep 27, 2016Observed: 794.58 ft at 4:00PM Sep 27, 2016Observed: 794.58 ft at 4:15PM Sep 27, 2016Observed: 794.58 ft at 4:30PM Sep 27, 2016Observed: 794.58 ft at 4:45PM Sep 27, 2016Observed: 794.58 ft at 5:00PM Sep 27, 2016Observed: 794.58 ft at 5:15PM Sep 27, 2016Observed: 794.58 ft at 5:30PM Sep 27, 2016Observed: 794.58 ft at 5:45PM Sep 27, 2016Observed: 794.59 ft at 6:00PM Sep 27, 2016Observed: 794.58 ft at 6:15PM Sep 27, 2016Observed: 794.59 ft at 6:30PM Sep 27, 2016Observed: 794.58 ft at 6:45PM Sep 27, 2016Observed: 794.58 ft at 7:00PM Sep 27, 2016Observed: 794.59 ft at 7:15PM Sep 27, 2016Observed: 794.58 ft at 7:30PM Sep 27, 2016Observed: 794.58 ft at 7:45PM Sep 27, 2016Observed: 794.59 ft at 8:00PM Sep 27, 2016Observed: 794.58 ft at 8:15PM Sep 27, 2016Observed: 794.59 ft at 8:30PM Sep 27, 2016Observed: 794.59 ft at 8:45PM Sep 27, 2016Observed: 794.59 ft at 9:00PM Sep 27, 2016Observed: 794.58 ft at 9:15PM Sep 27, 2016Observed: 794.59 ft at 9:30PM Sep 27, 2016Observed: 794.58 ft at 9:45PM Sep 27, 2016Observed: 794.59 ft at 10:00PM Sep 27, 2016Observed: 794.58 ft at 10:15PM Sep 27, 2016Observed: 794.58 ft at 10:30PM Sep 27, 2016Observed: 794.58 ft at 10:45PM Sep 27, 2016Observed: 794.58 ft at 11:00PM Sep 27, 2016Observed: 794.58 ft at 11:15PM Sep 27, 2016Observed: 794.59 ft at 11:30PM Sep 27, 2016Observed: 794.59 ft at 11:45PM Sep 27, 2016Observed: 794.59 ft at 12:00AM Sep 28, 2016Observed: 794.59 ft at 12:15AM Sep 28, 2016Observed: 794.59 ft at 12:30AM Sep 28, 2016Observed: 794.59 ft at 12:45AM Sep 28, 2016Observed: 794.59 ft at 1:00AM Sep 28, 2016Observed: 794.59 ft at 1:15AM Sep 28, 2016Observed: 794.6 ft at 1:30AM Sep 28, 2016Observed: 794.6 ft at 1:45AM Sep 28, 2016Observed: 794.6 ft at 2:00AM Sep 28, 2016Observed: 794.6 ft at 2:15AM Sep 28, 2016Observed: 794.6 ft at 2:30AM Sep 28, 2016Observed: 794.6 ft at 2:45AM Sep 28, 2016Observed: 794.6 ft at 3:00AM Sep 28, 2016Observed: 794.61 ft at 3:15AM Sep 28, 2016Observed: 794.61 ft at 3:30AM Sep 28, 2016Observed: 794.61 ft at 3:45AM Sep 28, 2016Observed: 794.61 ft at 4:00AM Sep 28, 2016Observed: 794.62 ft at 4:15AM Sep 28, 2016Observed: 794.62 ft at 4:30AM Sep 28, 2016Observed: 794.62 ft at 4:45AM Sep 28, 2016Observed: 794.62 ft at 5:00AM Sep 28, 2016Observed: 794.63 ft at 5:15AM Sep 28, 2016Observed: 794.62 ft at 5:30AM Sep 28, 2016Observed: 794.63 ft at 5:45AM Sep 28, 2016Observed: 794.63 ft at 6:00AM Sep 28, 2016Observed: 794.63 ft at 6:15AM Sep 28, 2016Observed: 794.64 ft at 6:30AM Sep 28, 2016Observed: 794.63 ft at 6:45AM Sep 28, 2016Observed: 794.64 ft at 7:00AM Sep 28, 2016Observed: 794.64 ft at 7:15AM Sep 28, 2016Observed: 794.64 ft at 7:30AM Sep 28, 2016Observed: 794.65 ft at 7:45AM Sep 28, 2016Observed: 794.65 ft at 8:00AM Sep 28, 2016Observed: 794.65 ft at 8:15AM Sep 28, 2016Observed: 794.66 ft at 8:30AM Sep 28, 2016Observed: 794.67 ft at 8:45AM Sep 28, 2016Observed: 794.67 ft at 9:00AM Sep 28, 2016Observed: 794.68 ft at 9:15AM Sep 28, 2016Observed: 794.69 ft at 9:30AM Sep 28, 2016Observed: 794.71 ft at 9:45AM Sep 28, 2016Observed: 794.72 ft at 10:00AM Sep 28, 2016Observed: 794.74 ft at 10:15AM Sep 28, 2016Observed: 794.75 ft at 10:30AM Sep 28, 2016Observed: 794.77 ft at 10:45AM Sep 28, 2016Observed: 794.78 ft at 11:00AM Sep 28, 2016Observed: 794.8 ft at 11:15AM Sep 28, 2016Observed: 794.82 ft at 11:30AM Sep 28, 2016Observed: 794.83 ft at 11:45AM Sep 28, 2016Observed: 794.84 ft at 12:00PM Sep 28, 2016Observed: 794.86 ft at 12:15PM Sep 28, 2016Observed: 794.88 ft at 12:30PM Sep 28, 2016Observed: 794.89 ft at 12:45PM Sep 28, 2016Observed: 794.9 ft at 1:00PM Sep 28, 2016Observed: 794.91 ft at 1:15PM Sep 28, 2016Observed: 794.92 ft at 1:30PM Sep 28, 2016Observed: 794.93 ft at 1:45PM Sep 28, 2016Observed: 794.94 ft at 2:00PM Sep 28, 2016Observed: 794.94 ft at 2:15PM Sep 28, 2016Observed: 794.95 ft at 2:30PM Sep 28, 2016Observed: 794.95 ft at 2:45PM Sep 28, 2016Observed: 794.96 ft at 3:00PM Sep 28, 2016Observed: 794.97 ft at 3:15PM Sep 28, 2016Observed: 794.97 ft at 3:30PM Sep 28, 2016Observed: 794.98 ft at 3:45PM Sep 28, 2016Observed: 794.98 ft at 4:00PM Sep 28, 2016Observed: 794.98 ft at 4:15PM Sep 28, 2016Observed: 794.98 ft at 4:30PM Sep 28, 2016Observed: 794.99 ft at 4:45PM Sep 28, 2016Observed: 794.98 ft at 5:00PM Sep 28, 2016Observed: 794.99 ft at 5:15PM Sep 28, 2016Observed: 794.98 ft at 5:30PM Sep 28, 2016Observed: 794.99 ft at 5:45PM Sep 28, 2016Highest Observation: 795 ft at 6:00PM Sep 28, 2016Highest Observation: 795 ft at 6:15PM Sep 28, 2016Observed: 794.99 ft at 6:30PM Sep 28, 2016Highest Observation: 795 ft at 6:45PM Sep 28, 2016Highest Observation: 795 ft at 7:00PM Sep 28, 2016Highest Observation: 795 ft at 7:15PM Sep 28, 2016Highest Observation: 795 ft at 7:30PM Sep 28, 2016Observed: 794.99 ft at 7:45PM Sep 28, 2016Highest Observation: 795 ft at 8:00PM Sep 28, 2016Observed: 794.99 ft at 8:15PM Sep 28, 2016Highest Observation: 795 ft at 8:30PM Sep 28, 2016Highest Observation: 795 ft at 8:45PM Sep 28, 2016Highest Observation: 795 ft at 9:00PM Sep 28, 2016Highest Observation: 795 ft at 9:15PM Sep 28, 2016Highest Observation: 795 ft at 9:30PM Sep 28, 2016Observed: 794.99 ft at 9:45PM Sep 28, 2016Observed: 794.99 ft at 10:00PM Sep 28, 2016Observed: 794.99 ft at 10:15PM Sep 28, 2016Observed: 794.99 ft at 10:30PM Sep 28, 2016Highest Observation: 795 ft at 10:45PM Sep 28, 2016Observed: 794.99 ft at 11:00PM Sep 28, 2016Observed: 794.99 ft at 11:15PM Sep 28, 2016Observed: 794.99 ft at 11:30PM Sep 28, 2016Observed: 794.99 ft at 11:45PM Sep 28, 2016Observed: 794.99 ft at 12:00AM Sep 29, 2016Observed: 794.99 ft at 12:15AM Sep 29, 2016Observed: 794.99 ft at 12:30AM Sep 29, 2016Observed: 794.99 ft at 12:45AM Sep 29, 2016Observed: 794.99 ft at 1:00AM Sep 29, 2016Observed: 794.98 ft at 1:15AM Sep 29, 2016Observed: 794.98 ft at 1:30AM Sep 29, 2016Observed: 794.98 ft at 1:45AM Sep 29, 2016Observed: 794.99 ft at 2:00AM Sep 29, 2016Observed: 794.98 ft at 2:15AM Sep 29, 2016Observed: 794.98 ft at 2:30AM Sep 29, 2016Observed: 794.98 ft at 2:45AM Sep 29, 2016Observed: 794.98 ft at 3:00AM Sep 29, 2016Observed: 794.98 ft at 3:15AM Sep 29, 2016Observed: 794.98 ft at 3:30AM Sep 29, 2016Observed: 794.98 ft at 3:45AM Sep 29, 2016Observed: 794.98 ft at 4:00AM Sep 29, 2016Observed: 794.98 ft at 4:15AM Sep 29, 2016Observed: 794.98 ft at 4:30AM Sep 29, 2016Observed: 794.97 ft at 4:45AM Sep 29, 2016Observed: 794.97 ft at 5:00AM Sep 29, 2016Observed: 794.97 ft at 5:15AM Sep 29, 2016Observed: 794.97 ft at 5:30AM Sep 29, 2016Observed: 794.97 ft at 5:45AM Sep 29, 2016Observed: 794.97 ft at 6:00AM Sep 29, 2016Observed: 794.96 ft at 6:15AM Sep 29, 2016Observed: 794.97 ft at 6:30AM Sep 29, 2016Observed: 794.97 ft at 6:45AM Sep 29, 2016Observed: 794.97 ft at 7:00AM Sep 29, 2016Observed: 794.97 ft at 7:15AM Sep 29, 2016Observed: 794.97 ft at 7:30AM Sep 29, 2016Observed: 794.97 ft at 7:45AM Sep 29, 2016Observed: 794.96 ft at 8:00AM Sep 29, 2016Observed: 794.97 ft at 8:15AM Sep 29, 2016Observed: 794.96 ft at 8:30AM Sep 29, 2016Observed: 794.97 ft at 8:45AM Sep 29, 2016Observed: 794.97 ft at 9:00AM Sep 29, 2016Observed: 794.96 ft at 9:15AM Sep 29, 2016Observed: 794.96 ft at 9:30AM Sep 29, 2016Observed: 794.96 ft at 9:45AM Sep 29, 2016Observed: 794.96 ft at 10:00AM Sep 29, 2016Observed: 794.96 ft at 10:15AM Sep 29, 2016Observed: 794.96 ft at 10:30AM Sep 29, 2016Observed: 794.96 ft at 10:45AM Sep 29, 2016Observed: 794.96 ft at 11:00AM Sep 29, 2016Observed: 794.96 ft at 11:15AM Sep 29, 2016Observed: 794.97 ft at 11:30AM Sep 29, 2016Observed: 794.95 ft at 11:45AM Sep 29, 2016Observed: 794.96 ft at 12:00PM Sep 29, 2016Observed: 794.96 ft at 12:15PM Sep 29, 2016Observed: 794.96 ft at 12:30PM Sep 29, 2016Observed: 794.96 ft at 12:45PM Sep 29, 2016Observed: 794.96 ft at 1:00PM Sep 29, 2016Observed: 794.95 ft at 1:15PM Sep 29, 2016Observed: 794.96 ft at 1:30PM Sep 29, 2016Observed: 794.96 ft at 1:45PM Sep 29, 2016Observed: 794.95 ft at 2:00PM Sep 29, 2016Observed: 794.96 ft at 2:15PM Sep 29, 2016Observed: 794.95 ft at 2:30PM Sep 29, 2016Observed: 794.95 ft at 2:45PM Sep 29, 2016Observed: 794.95 ft at 3:00PM Sep 29, 2016Observed: 794.95 ft at 3:15PM Sep 29, 2016Observed: 794.95 ft at 3:30PM Sep 29, 2016Observed: 794.94 ft at 3:45PM Sep 29, 2016Observed: 794.94 ft at 4:00PM Sep 29, 2016Observed: 794.94 ft at 4:15PM Sep 29, 2016Observed: 794.94 ft at 4:30PM Sep 29, 2016Observed: 794.94 ft at 4:45PM Sep 29, 2016Observed: 794.93 ft at 5:00PM Sep 29, 2016Observed: 794.94 ft at 5:15PM Sep 29, 2016Observed: 794.93 ft at 5:30PM Sep 29, 2016Observed: 794.93 ft at 5:45PM Sep 29, 2016Observed: 794.93 ft at 6:00PM Sep 29, 2016Observed: 794.94 ft at 6:15PM Sep 29, 2016Observed: 794.93 ft at 6:30PM Sep 29, 2016Observed: 794.93 ft at 6:45PM Sep 29, 2016Observed: 794.93 ft at 7:00PM Sep 29, 2016Observed: 794.93 ft at 7:15PM Sep 29, 2016Observed: 794.92 ft at 7:30PM Sep 29, 2016Observed: 794.92 ft at 7:45PM Sep 29, 2016Observed: 794.92 ft at 8:00PM Sep 29, 2016Observed: 794.92 ft at 8:15PM Sep 29, 2016Observed: 794.92 ft at 8:30PM Sep 29, 2016Observed: 794.92 ft at 8:45PM Sep 29, 2016Observed: 794.92 ft at 9:00PM Sep 29, 2016Observed: 794.91 ft at 9:15PM Sep 29, 2016Observed: 794.91 ft at 9:30PM Sep 29, 2016Observed: 794.91 ft at 9:45PM Sep 29, 2016Observed: 794.91 ft at 10:00PM Sep 29, 2016Observed: 794.91 ft at 10:15PM Sep 29, 2016Observed: 794.9 ft at 10:30PM Sep 29, 2016Observed: 794.9 ft at 10:45PM Sep 29, 2016Observed: 794.9 ft at 11:00PM Sep 29, 2016Observed: 794.91 ft at 11:15PM Sep 29, 2016Observed: 794.9 ft at 11:30PM Sep 29, 2016Observed: 794.9 ft at 11:45PM Sep 29, 2016Observed: 794.9 ft at 12:00AM Sep 30, 2016Observed: 794.9 ft at 12:15AM Sep 30, 2016Observed: 794.9 ft at 12:30AM Sep 30, 2016Observed: 794.9 ft at 12:45AM Sep 30, 2016Observed: 794.89 ft at 1:00AM Sep 30, 2016Observed: 794.9 ft at 1:15AM Sep 30, 2016Observed: 794.89 ft at 1:30AM Sep 30, 2016Observed: 794.89 ft at 1:45AM Sep 30, 2016Observed: 794.89 ft at 2:00AM Sep 30, 2016Minnesota DNRHLLM5(plotting HGIRG) Graph Created (3:18AM Sep 30, 2016)ObservedLatest observed value: 794.89 ft at 2:00 AM CDT 30-Sep-2016. Flood Stage is 802 ft
Printable Image
About this graph
Tabular Data (UTC)
Tabular Data (CDT)
XML Data
RSS Files
Datum: Not Available
Metadata
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 for the Two Rivers River at Hallock are issued as needed during times of high water, but are not routinely available.

Vertical Datum reference a local datum

Return to Area Map
Upstream Gauge - at Lake Bronson Upstream Gauge
Flood Categories (in feet)
Major Flood Stage: 810
Moderate Flood Stage: 806
Flood Stage: 802
Action Stage: 800
Low Stage (in feet): 0

Historic Crests
(1) 810.70 ft on 04/21/1997
(2) 810.26 ft on 05/30/2010
(3) 809.50 ft on 04/23/1996
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 804.95 ft on 05/19/2015
(2) 807.70 ft on 04/23/2014
(3) 807.29 ft on 05/01/2013
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:16
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
814 Top of Dike, Reach 2, south end of Cemetery, 6th St. S.
813 Top of Dike, Reach 3, north end of cemetery by 4th St. S.
812 Top of Dike, Reach 4, north of T.H. 175.100 yr flood elevation at T.H. 175.
810 Major Flood Stage.
809 City crew on shifts for manning of pumps and checking lift stations.
808 Storm sewer valve at Reach 3 (north Cemetary) is closed.
807 Storm sewer valves at 175 bridge, 4th Street South and the Cemetery, are closed and portable pumps are set up.
806 Moderate FLood Stage.Storm sewers start backing up.Storm sewer valve at T.H. 175 Bridge closed. Lift Pump inspected.
804.5 Backup at Reach 2 Dike, Cemetery road at 6th St. S. - Shut Storm Valve.
802 Flood Warning Stage for Minor flooding. The NWS starts to issue Flood Warnings and 7-day river level forecasts. The Hallock Dam spillway at Gilbert Park is closed to the Public. Culverts with flappers are checked. Bankfull Stage.
800 Action Stage. NWS starts to issue High Water Notices and 7-day river level forecasts.Hallock Dam spillway at Gilbert Park begins to flow.
797 City takes precautionary actions.
Photos
(1) Gilbert Park (Hallock Dam spillway) at 806.75 - just above moderate Flood Stage.
About This Location Collapse

Latitude: 48.775556° N, Longitude: 96.937500° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 802 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 Not Available Not Available Older USGS topographic maps, NGVD29 benchmarks
MSL Not Available Not Available Older USGS topographic maps, MSL benchmarks
Other 0 ft 802 Minnesota DNR Subtract 0.152 ft to get NGVD29 or Add 0.864 ft to get NAVD88

Current/Historical Observations:

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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
Eastern North Dakota/Grand Forks Weather Forecast Office
4797 Technology Circle
Grand Forks, ND 58203
(701) 772-0720
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Page last modified: 13-Aug-2015 1:56 AM
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