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Hydrograph River at a Glance Download
Two Rivers River at Hallock Stage (ft)Flow (kcfs)Highest Observation: 795.52 ft at 7:30AM Jul 30, 2015Highest Observation: 795.52 ft at 7:45AM Jul 30, 2015Highest Observation: 795.52 ft at 8:00AM Jul 30, 2015Highest Observation: 795.52 ft at 8:15AM Jul 30, 2015Highest Observation: 795.52 ft at 8:30AM Jul 30, 2015Highest Observation: 795.52 ft at 8:45AM Jul 30, 2015Highest Observation: 795.52 ft at 9:00AM Jul 30, 2015Highest Observation: 795.52 ft at 9:15AM Jul 30, 2015Highest Observation: 795.52 ft at 9:30AM Jul 30, 2015Observed: 795.51 ft at 9:45AM Jul 30, 2015Highest Observation: 795.52 ft at 10:00AM Jul 30, 2015Highest Observation: 795.52 ft at 10:15AM Jul 30, 2015Observed: 795.51 ft at 10:30AM Jul 30, 2015Observed: 795.51 ft at 10:45AM Jul 30, 2015Observed: 795.51 ft at 11:00AM Jul 30, 2015Observed: 795.51 ft at 11:15AM Jul 30, 2015Highest Observation: 795.52 ft at 11:30AM Jul 30, 2015Observed: 795.51 ft at 11:45AM Jul 30, 2015Observed: 795.51 ft at 12:00PM Jul 30, 2015Observed: 795.51 ft at 12:15PM Jul 30, 2015Observed: 795.51 ft at 12:30PM Jul 30, 2015Observed: 795.51 ft at 12:45PM Jul 30, 2015Observed: 795.51 ft at 1:00PM Jul 30, 2015Observed: 795.51 ft at 1:15PM Jul 30, 2015Observed: 795.51 ft at 1:30PM Jul 30, 2015Observed: 795.5 ft at 1:45PM Jul 30, 2015Observed: 795.5 ft at 2:00PM Jul 30, 2015Observed: 795.5 ft at 2:15PM Jul 30, 2015Observed: 795.5 ft at 2:30PM Jul 30, 2015Observed: 795.5 ft at 2:45PM Jul 30, 2015Observed: 795.49 ft at 3:00PM Jul 30, 2015Observed: 795.5 ft at 3:15PM Jul 30, 2015Observed: 795.5 ft at 3:30PM Jul 30, 2015Observed: 795.49 ft at 3:45PM Jul 30, 2015Observed: 795.49 ft at 4:00PM Jul 30, 2015Observed: 795.49 ft at 4:15PM Jul 30, 2015Observed: 795.49 ft at 4:30PM Jul 30, 2015Observed: 795.49 ft at 4:45PM Jul 30, 2015Observed: 795.49 ft at 5:00PM Jul 30, 2015Observed: 795.49 ft at 5:15PM Jul 30, 2015Observed: 795.49 ft at 5:30PM Jul 30, 2015Observed: 795.48 ft at 5:45PM Jul 30, 2015Observed: 795.49 ft at 6:00PM Jul 30, 2015Observed: 795.48 ft at 6:15PM Jul 30, 2015Observed: 795.48 ft at 6:30PM Jul 30, 2015Observed: 795.48 ft at 6:45PM Jul 30, 2015Observed: 795.48 ft at 7:00PM Jul 30, 2015Observed: 795.48 ft at 7:15PM Jul 30, 2015Observed: 795.48 ft at 7:30PM Jul 30, 2015Observed: 795.48 ft at 7:45PM Jul 30, 2015Observed: 795.47 ft at 8:00PM Jul 30, 2015Observed: 795.48 ft at 8:15PM Jul 30, 2015Observed: 795.47 ft at 8:30PM Jul 30, 2015Observed: 795.47 ft at 8:45PM Jul 30, 2015Observed: 795.47 ft at 9:00PM Jul 30, 2015Observed: 795.47 ft at 9:15PM Jul 30, 2015Observed: 795.47 ft at 9:30PM Jul 30, 2015Observed: 795.47 ft at 9:45PM Jul 30, 2015Observed: 795.47 ft at 10:00PM Jul 30, 2015Observed: 795.47 ft at 10:15PM Jul 30, 2015Observed: 795.46 ft at 10:30PM Jul 30, 2015Observed: 795.46 ft at 10:45PM Jul 30, 2015Observed: 795.46 ft at 11:00PM Jul 30, 2015Observed: 795.46 ft at 11:15PM Jul 30, 2015Observed: 795.45 ft at 11:30PM Jul 30, 2015Observed: 795.45 ft at 11:45PM Jul 30, 2015Observed: 795.44 ft at 12:00AM Jul 31, 2015Observed: 795.44 ft at 12:15AM Jul 31, 2015Observed: 795.44 ft at 12:30AM Jul 31, 2015Observed: 795.43 ft at 12:45AM Jul 31, 2015Observed: 795.42 ft at 1:00AM Jul 31, 2015Observed: 795.41 ft at 1:15AM Jul 31, 2015Observed: 795.4 ft at 1:30AM Jul 31, 2015Observed: 795.4 ft at 1:45AM Jul 31, 2015Observed: 795.38 ft at 2:00AM Jul 31, 2015Observed: 795.37 ft at 2:15AM Jul 31, 2015Observed: 795.35 ft at 2:30AM Jul 31, 2015Observed: 795.34 ft at 2:45AM Jul 31, 2015Observed: 795.33 ft at 3:00AM Jul 31, 2015Observed: 795.31 ft at 3:15AM Jul 31, 2015Observed: 795.3 ft at 3:30AM Jul 31, 2015Observed: 795.28 ft at 3:45AM Jul 31, 2015Observed: 795.27 ft at 4:00AM Jul 31, 2015Observed: 795.25 ft at 4:15AM Jul 31, 2015Observed: 795.23 ft at 4:30AM Jul 31, 2015Observed: 795.21 ft at 4:45AM Jul 31, 2015Observed: 795.2 ft at 5:00AM Jul 31, 2015Observed: 795.18 ft at 5:15AM Jul 31, 2015Observed: 795.16 ft at 5:30AM Jul 31, 2015Observed: 795.14 ft at 5:45AM Jul 31, 2015Observed: 795.12 ft at 6:00AM Jul 31, 2015Observed: 795.11 ft at 6:15AM Jul 31, 2015Observed: 795.09 ft at 6:30AM Jul 31, 2015Observed: 795.07 ft at 6:45AM Jul 31, 2015Observed: 795.06 ft at 7:00AM Jul 31, 2015Observed: 795.04 ft at 7:15AM Jul 31, 2015Observed: 795.02 ft at 7:30AM Jul 31, 2015Observed: 795 ft at 7:45AM Jul 31, 2015Observed: 794.99 ft at 8:00AM Jul 31, 2015Observed: 794.97 ft at 8:15AM Jul 31, 2015Observed: 794.96 ft at 8:30AM Jul 31, 2015Observed: 794.94 ft at 8:45AM Jul 31, 2015Observed: 794.93 ft at 9:00AM Jul 31, 2015Observed: 794.91 ft at 9:15AM Jul 31, 2015Observed: 794.9 ft at 9:30AM Jul 31, 2015Observed: 794.89 ft at 9:45AM Jul 31, 2015Observed: 794.88 ft at 10:00AM Jul 31, 2015Observed: 794.86 ft at 10:15AM Jul 31, 2015Observed: 794.85 ft at 10:30AM Jul 31, 2015Observed: 794.84 ft at 10:45AM Jul 31, 2015Observed: 794.83 ft at 11:00AM Jul 31, 2015Observed: 794.82 ft at 11:15AM Jul 31, 2015Observed: 794.81 ft at 11:30AM Jul 31, 2015Observed: 794.8 ft at 11:45AM Jul 31, 2015Observed: 794.79 ft at 12:00PM Jul 31, 2015Observed: 794.78 ft at 12:15PM Jul 31, 2015Observed: 794.77 ft at 12:30PM Jul 31, 2015Observed: 794.76 ft at 12:45PM Jul 31, 2015Observed: 794.75 ft at 1:00PM Jul 31, 2015Observed: 794.75 ft at 1:15PM Jul 31, 2015Observed: 794.74 ft at 1:30PM Jul 31, 2015Observed: 794.74 ft at 1:45PM Jul 31, 2015Observed: 794.73 ft at 2:00PM Jul 31, 2015Observed: 794.73 ft at 2:15PM Jul 31, 2015Observed: 794.72 ft at 2:30PM Jul 31, 2015Observed: 794.71 ft at 2:45PM Jul 31, 2015Observed: 794.71 ft at 3:00PM Jul 31, 2015Observed: 794.7 ft at 3:15PM Jul 31, 2015Observed: 794.7 ft at 3:30PM Jul 31, 2015Observed: 794.7 ft at 3:45PM Jul 31, 2015Observed: 794.69 ft at 4:00PM Jul 31, 2015Observed: 794.68 ft at 4:15PM Jul 31, 2015Observed: 794.68 ft at 4:30PM Jul 31, 2015Observed: 794.67 ft at 4:45PM Jul 31, 2015Observed: 794.68 ft at 5:00PM Jul 31, 2015Observed: 794.67 ft at 5:15PM Jul 31, 2015Observed: 794.66 ft at 5:30PM Jul 31, 2015Observed: 794.67 ft at 5:45PM Jul 31, 2015Observed: 794.66 ft at 6:00PM Jul 31, 2015Observed: 794.66 ft at 6:15PM Jul 31, 2015Observed: 794.65 ft at 6:30PM Jul 31, 2015Observed: 794.65 ft at 6:45PM Jul 31, 2015Observed: 794.65 ft at 7:00PM Jul 31, 2015Observed: 794.65 ft at 7:15PM Jul 31, 2015Observed: 794.64 ft at 7:30PM Jul 31, 2015Observed: 794.64 ft at 7:45PM Jul 31, 2015Observed: 794.64 ft at 8:00PM Jul 31, 2015Observed: 794.64 ft at 8:15PM Jul 31, 2015Observed: 794.63 ft at 8:30PM Jul 31, 2015Observed: 794.63 ft at 8:45PM Jul 31, 2015Observed: 794.63 ft at 9:00PM Jul 31, 2015Observed: 794.63 ft at 9:15PM Jul 31, 2015Observed: 794.62 ft at 9:30PM Jul 31, 2015Observed: 794.62 ft at 9:45PM Jul 31, 2015Observed: 794.62 ft at 10:00PM Jul 31, 2015Observed: 794.62 ft at 10:15PM Jul 31, 2015Observed: 794.61 ft at 10:30PM Jul 31, 2015Observed: 794.61 ft at 10:45PM Jul 31, 2015Observed: 794.61 ft at 11:00PM Jul 31, 2015Observed: 794.61 ft at 11:15PM Jul 31, 2015Observed: 794.6 ft at 11:30PM Jul 31, 2015Observed: 794.6 ft at 11:45PM Jul 31, 2015Observed: 794.6 ft at 12:00AM Aug 01, 2015Observed: 794.6 ft at 12:15AM Aug 01, 2015Observed: 794.59 ft at 12:30AM Aug 01, 2015Observed: 794.59 ft at 12:45AM Aug 01, 2015Observed: 794.59 ft at 1:00AM Aug 01, 2015Observed: 794.59 ft at 1:15AM Aug 01, 2015Observed: 794.58 ft at 1:30AM Aug 01, 2015Observed: 794.58 ft at 1:45AM Aug 01, 2015Observed: 794.58 ft at 2:00AM Aug 01, 2015Observed: 794.58 ft at 2:15AM Aug 01, 2015Observed: 794.57 ft at 2:30AM Aug 01, 2015Observed: 794.58 ft at 2:45AM Aug 01, 2015Observed: 794.57 ft at 3:00AM Aug 01, 2015Observed: 794.57 ft at 3:15AM Aug 01, 2015Observed: 794.57 ft at 3:30AM Aug 01, 2015Observed: 794.57 ft at 3:45AM Aug 01, 2015Observed: 794.57 ft at 4:00AM Aug 01, 2015Observed: 794.57 ft at 4:15AM Aug 01, 2015Observed: 794.57 ft at 4:30AM Aug 01, 2015Observed: 794.57 ft at 4:45AM Aug 01, 2015Observed: 794.56 ft at 5:00AM Aug 01, 2015Observed: 794.56 ft at 5:15AM Aug 01, 2015Observed: 794.56 ft at 5:30AM Aug 01, 2015Observed: 794.56 ft at 5:45AM Aug 01, 2015Observed: 794.56 ft at 6:00AM Aug 01, 2015Observed: 794.56 ft at 6:15AM Aug 01, 2015Observed: 794.56 ft at 6:30AM Aug 01, 2015Observed: 794.56 ft at 6:45AM Aug 01, 2015Observed: 794.56 ft at 7:00AM Aug 01, 2015Observed: 794.56 ft at 7:15AM Aug 01, 2015Observed: 794.56 ft at 7:30AM Aug 01, 2015Observed: 794.56 ft at 7:45AM Aug 01, 2015Observed: 794.55 ft at 8:00AM Aug 01, 2015Observed: 794.56 ft at 8:15AM Aug 01, 2015Observed: 794.56 ft at 8:30AM Aug 01, 2015Observed: 794.55 ft at 8:45AM Aug 01, 2015Observed: 794.55 ft at 9:00AM Aug 01, 2015Observed: 794.55 ft at 9:15AM Aug 01, 2015Observed: 794.55 ft at 9:30AM Aug 01, 2015Observed: 794.55 ft at 9:45AM Aug 01, 2015Observed: 794.54 ft at 10:00AM Aug 01, 2015Observed: 794.54 ft at 10:15AM Aug 01, 2015Observed: 794.54 ft at 10:30AM Aug 01, 2015Observed: 794.54 ft at 10:45AM Aug 01, 2015Observed: 794.54 ft at 11:00AM Aug 01, 2015Observed: 794.54 ft at 11:15AM Aug 01, 2015Observed: 794.54 ft at 11:30AM Aug 01, 2015Observed: 794.53 ft at 11:45AM Aug 01, 2015Observed: 794.54 ft at 12:00PM Aug 01, 2015Observed: 794.53 ft at 12:15PM Aug 01, 2015Observed: 794.53 ft at 12:30PM Aug 01, 2015Observed: 794.53 ft at 12:45PM Aug 01, 2015Observed: 794.53 ft at 1:00PM Aug 01, 2015Observed: 794.53 ft at 1:15PM Aug 01, 2015Observed: 794.53 ft at 1:30PM Aug 01, 2015Observed: 794.52 ft at 1:45PM Aug 01, 2015Observed: 794.52 ft at 2:00PM Aug 01, 2015Observed: 794.52 ft at 2:15PM Aug 01, 2015Observed: 794.52 ft at 2:30PM Aug 01, 2015Observed: 794.52 ft at 2:45PM Aug 01, 2015Observed: 794.52 ft at 3:00PM Aug 01, 2015Observed: 794.52 ft at 3:15PM Aug 01, 2015Observed: 794.52 ft at 3:30PM Aug 01, 2015Observed: 794.51 ft at 3:45PM Aug 01, 2015Observed: 794.51 ft at 4:00PM Aug 01, 2015Observed: 794.51 ft at 4:15PM Aug 01, 2015Observed: 794.51 ft at 4:30PM Aug 01, 2015Observed: 794.51 ft at 4:45PM Aug 01, 2015Observed: 794.5 ft at 5:00PM Aug 01, 2015Observed: 794.5 ft at 5:15PM Aug 01, 2015Observed: 794.5 ft at 5:30PM Aug 01, 2015Observed: 794.5 ft at 5:45PM Aug 01, 2015Observed: 794.5 ft at 6:00PM Aug 01, 2015Observed: 794.5 ft at 6:15PM Aug 01, 2015Observed: 794.5 ft at 6:30PM Aug 01, 2015Observed: 794.49 ft at 6:45PM Aug 01, 2015Observed: 794.5 ft at 7:00PM Aug 01, 2015Observed: 794.49 ft at 7:15PM Aug 01, 2015Observed: 794.49 ft at 7:30PM Aug 01, 2015Observed: 794.49 ft at 7:45PM Aug 01, 2015Observed: 794.49 ft at 8:00PM Aug 01, 2015Observed: 794.49 ft at 8:15PM Aug 01, 2015Observed: 794.49 ft at 8:30PM Aug 01, 2015Observed: 794.48 ft at 8:45PM Aug 01, 2015Observed: 794.48 ft at 9:00PM Aug 01, 2015Observed: 794.48 ft at 9:15PM Aug 01, 2015Observed: 794.48 ft at 9:30PM Aug 01, 2015Observed: 794.48 ft at 9:45PM Aug 01, 2015Observed: 794.48 ft at 10:00PM Aug 01, 2015Observed: 794.48 ft at 10:15PM Aug 01, 2015Observed: 794.48 ft at 10:30PM Aug 01, 2015Observed: 794.47 ft at 10:45PM Aug 01, 2015Observed: 794.47 ft at 11:00PM Aug 01, 2015Observed: 794.47 ft at 11:15PM Aug 01, 2015Observed: 794.47 ft at 11:30PM Aug 01, 2015Observed: 794.47 ft at 11:45PM Aug 01, 2015Observed: 794.47 ft at 12:00AM Aug 02, 2015Observed: 794.47 ft at 12:15AM Aug 02, 2015Observed: 794.47 ft at 12:30AM Aug 02, 2015Observed: 794.47 ft at 12:45AM Aug 02, 2015Observed: 794.47 ft at 1:00AM Aug 02, 2015Observed: 794.47 ft at 1:15AM Aug 02, 2015Observed: 794.47 ft at 1:30AM Aug 02, 2015Observed: 794.47 ft at 1:45AM Aug 02, 2015Observed: 794.47 ft at 2:00AM Aug 02, 2015Observed: 794.48 ft at 2:15AM Aug 02, 2015Observed: 794.48 ft at 2:30AM Aug 02, 2015Observed: 794.48 ft at 2:45AM Aug 02, 2015Observed: 794.48 ft at 3:00AM Aug 02, 2015Observed: 794.48 ft at 3:15AM Aug 02, 2015Observed: 794.49 ft at 3:30AM Aug 02, 2015Observed: 794.48 ft at 3:45AM Aug 02, 2015Observed: 794.48 ft at 4:00AM Aug 02, 2015Observed: 794.48 ft at 4:15AM Aug 02, 2015Observed: 794.48 ft at 4:30AM Aug 02, 2015Observed: 794.48 ft at 4:45AM Aug 02, 2015Observed: 794.48 ft at 5:00AM Aug 02, 2015Observed: 794.48 ft at 5:15AM Aug 02, 2015Observed: 794.48 ft at 5:30AM Aug 02, 2015Observed: 794.48 ft at 5:45AM Aug 02, 2015Observed: 794.48 ft at 6:00AM Aug 02, 2015Minnesota DNRHLLM5(plotting HGIRG) Graph Created (7:17AM Aug 2, 2015)ObservedLatest observed value: 794.48 ft at 6:00 AM CDT 2-Aug-2015. Flood Stage is 802 ft
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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: Forecasts for the Two Rivers River at Hallock are issued as needed during times of high water, but are not routinely available.

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Upstream Gauge - at Lake Bronson Upstream Gauge
Flood Categories (in feet)
Major Flood Stage: 810
Moderate Flood Stage: 806
Flood Stage: 802
Action Stage: 797
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) 808.47 ft on 04/11/2011
(2) 810.26 ft on 05/30/2010
(3) 808.40 ft on 03/28/2009
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.

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 TH. 175.100 yr flood elevation at TH. 175.
810 Major Flood Stage. Water over road going into Harold Kemps.
809 City crew on shifts for manning of pumps and checking lift stations.Line sandbagging starts.
808 Dike patrols are on 24 hours.Storm sewer valve at Reach 3 (north cemetery) portable pumps are set up.
807 Storm sewer valves at 175 bridge, Yongrens, 4th Street South and the Cemetery are closed and portable pumps are set up.
806 Storm sewer valve at TH. 175 Bridge closed. Lift Pump inspected.
805 Moderate Flood Stage. Storm sewers start backing up.
804.5 Backup at Reach 2 Dike, Cemetery road at 6th St. S. - Shut Storm Valve.
802 Flood Warning Stage...Minor.Culverts with flappers checked and the dike walked.Bankfull Stage.
800 Spillway begins to flow.
798 North dike(Reach 4) gates are closed norht of TH. 175.
797 Forecast Service 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 0 ft 802 ft 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
MN DNR Gage Site for Hallock
How low could the river get?
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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: 12-Feb-2015 9:35 PM
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