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Hydrograph River at a Glance Download
Deep River (IN) near Merrillville Stage (ft)Observed: 5.59 ft at 2:15AM Feb 27, 2021Observed: 5.59 ft at 2:30AM Feb 27, 2021Observed: 5.6 ft at 2:45AM Feb 27, 2021Observed: 5.6 ft at 3:00AM Feb 27, 2021Observed: 5.6 ft at 3:15AM Feb 27, 2021Observed: 5.6 ft at 3:30AM Feb 27, 2021Observed: 5.61 ft at 3:45AM Feb 27, 2021Observed: 5.62 ft at 4:00AM Feb 27, 2021Observed: 5.62 ft at 4:15AM Feb 27, 2021Observed: 5.63 ft at 4:30AM Feb 27, 2021Observed: 5.63 ft at 4:45AM Feb 27, 2021Observed: 5.64 ft at 5:00AM Feb 27, 2021Observed: 5.65 ft at 5:15AM Feb 27, 2021Observed: 5.65 ft at 5:30AM Feb 27, 2021Observed: 5.65 ft at 5:45AM Feb 27, 2021Observed: 5.66 ft at 6:00AM Feb 27, 2021Observed: 5.66 ft at 6:15AM Feb 27, 2021Observed: 5.66 ft at 6:30AM Feb 27, 2021Observed: 5.67 ft at 6:45AM Feb 27, 2021Observed: 5.67 ft at 7:00AM Feb 27, 2021Observed: 5.67 ft at 7:15AM Feb 27, 2021Observed: 5.67 ft at 7:30AM Feb 27, 2021Observed: 5.68 ft at 7:45AM Feb 27, 2021Observed: 5.68 ft at 8:00AM Feb 27, 2021Observed: 5.68 ft at 8:15AM Feb 27, 2021Observed: 5.68 ft at 8:30AM Feb 27, 2021Observed: 5.68 ft at 8:45AM Feb 27, 2021Observed: 5.68 ft at 9:00AM Feb 27, 2021Observed: 5.68 ft at 9:15AM Feb 27, 2021Observed: 5.69 ft at 9:30AM Feb 27, 2021Observed: 5.68 ft at 9:45AM Feb 27, 2021Observed: 5.68 ft at 10:00AM Feb 27, 2021Observed: 5.69 ft at 10:15AM Feb 27, 2021Observed: 5.69 ft at 10:30AM Feb 27, 2021Observed: 5.69 ft at 10:45AM Feb 27, 2021Observed: 5.68 ft at 11:00AM Feb 27, 2021Observed: 5.69 ft at 11:15AM Feb 27, 2021Observed: 5.69 ft at 11:30AM Feb 27, 2021Observed: 5.69 ft at 11:45AM Feb 27, 2021Observed: 5.7 ft at 12:00PM Feb 27, 2021Observed: 5.7 ft at 12:15PM Feb 27, 2021Observed: 5.71 ft at 12:30PM Feb 27, 2021Observed: 5.72 ft at 12:45PM Feb 27, 2021Observed: 5.74 ft at 1:00PM Feb 27, 2021Observed: 5.76 ft at 1:15PM Feb 27, 2021Observed: 5.79 ft at 1:30PM Feb 27, 2021Observed: 5.81 ft at 1:45PM Feb 27, 2021Observed: 5.83 ft at 2:00PM Feb 27, 2021Observed: 5.86 ft at 2:15PM Feb 27, 2021Observed: 5.89 ft at 2:30PM Feb 27, 2021Observed: 5.92 ft at 2:45PM Feb 27, 2021Observed: 5.96 ft at 3:00PM Feb 27, 2021Observed: 6 ft at 3:15PM Feb 27, 2021Observed: 6.05 ft at 3:30PM Feb 27, 2021Observed: 6.09 ft at 3:45PM Feb 27, 2021Observed: 6.15 ft at 4:00PM Feb 27, 2021Observed: 6.21 ft at 4:15PM Feb 27, 2021Observed: 6.26 ft at 4:30PM Feb 27, 2021Observed: 6.32 ft at 4:45PM Feb 27, 2021Observed: 6.38 ft at 5:00PM Feb 27, 2021Observed: 6.45 ft at 5:15PM Feb 27, 2021Observed: 6.51 ft at 5:30PM Feb 27, 2021Observed: 6.58 ft at 5:45PM Feb 27, 2021Observed: 6.64 ft at 6:00PM Feb 27, 2021Observed: 6.7 ft at 6:15PM Feb 27, 2021Observed: 6.76 ft at 6:30PM Feb 27, 2021Observed: 6.81 ft at 6:45PM Feb 27, 2021Observed: 6.86 ft at 7:00PM Feb 27, 2021Observed: 6.89 ft at 7:15PM Feb 27, 2021Observed: 6.94 ft at 7:30PM Feb 27, 2021Observed: 6.99 ft at 7:45PM Feb 27, 2021Observed: 7.03 ft at 8:00PM Feb 27, 2021Observed: 7.07 ft at 8:15PM Feb 27, 2021Observed: 7.11 ft at 8:30PM Feb 27, 2021Observed: 7.15 ft at 8:45PM Feb 27, 2021Observed: 7.18 ft at 9:00PM Feb 27, 2021Observed: 7.21 ft at 9:15PM Feb 27, 2021Observed: 7.23 ft at 9:30PM Feb 27, 2021Observed: 7.25 ft at 9:45PM Feb 27, 2021Observed: 7.27 ft at 10:00PM Feb 27, 2021Observed: 7.28 ft at 10:15PM Feb 27, 2021Observed: 7.29 ft at 10:30PM Feb 27, 2021Observed: 7.3 ft at 10:45PM Feb 27, 2021Observed: 7.31 ft at 11:00PM Feb 27, 2021Observed: 7.31 ft at 11:15PM Feb 27, 2021Observed: 7.32 ft at 11:30PM Feb 27, 2021Observed: 7.31 ft at 11:45PM Feb 27, 2021Observed: 7.31 ft at 12:00AM Feb 28, 2021Observed: 7.32 ft at 12:15AM Feb 28, 2021Observed: 7.33 ft at 12:30AM Feb 28, 2021Observed: 7.34 ft at 12:45AM Feb 28, 2021Observed: 7.35 ft at 1:00AM Feb 28, 2021Observed: 7.35 ft at 1:15AM Feb 28, 2021Observed: 7.36 ft at 1:30AM Feb 28, 2021Observed: 7.36 ft at 1:45AM Feb 28, 2021Observed: 7.37 ft at 2:00AM Feb 28, 2021Observed: 7.38 ft at 2:15AM Feb 28, 2021Observed: 7.38 ft at 2:30AM Feb 28, 2021Observed: 7.38 ft at 2:45AM Feb 28, 2021Observed: 7.39 ft at 3:00AM Feb 28, 2021Observed: 7.38 ft at 3:15AM Feb 28, 2021Observed: 7.39 ft at 3:30AM Feb 28, 2021Observed: 7.39 ft at 3:45AM Feb 28, 2021Observed: 7.39 ft at 4:00AM Feb 28, 2021Observed: 7.39 ft at 4:15AM Feb 28, 2021Observed: 7.4 ft at 4:30AM Feb 28, 2021Observed: 7.4 ft at 4:45AM Feb 28, 2021Observed: 7.4 ft at 5:00AM Feb 28, 2021Observed: 7.4 ft at 5:15AM Feb 28, 2021Observed: 7.4 ft at 5:30AM Feb 28, 2021Observed: 7.4 ft at 5:45AM Feb 28, 2021Observed: 7.4 ft at 6:00AM Feb 28, 2021Observed: 7.4 ft at 6:15AM Feb 28, 2021Observed: 7.39 ft at 6:30AM Feb 28, 2021Observed: 7.39 ft at 6:45AM Feb 28, 2021Observed: 7.39 ft at 7:00AM Feb 28, 2021Observed: 7.39 ft at 7:15AM Feb 28, 2021Observed: 7.39 ft at 7:30AM Feb 28, 2021Observed: 7.39 ft at 7:45AM Feb 28, 2021Observed: 7.38 ft at 8:00AM Feb 28, 2021Observed: 7.38 ft at 8:15AM Feb 28, 2021Observed: 7.39 ft at 8:30AM Feb 28, 2021Observed: 7.39 ft at 8:45AM Feb 28, 2021Observed: 7.39 ft at 9:00AM Feb 28, 2021Observed: 7.39 ft at 9:15AM Feb 28, 2021Observed: 7.39 ft at 9:30AM Feb 28, 2021Observed: 7.4 ft at 9:45AM Feb 28, 2021Observed: 7.4 ft at 10:00AM Feb 28, 2021Observed: 7.41 ft at 10:15AM Feb 28, 2021Observed: 7.42 ft at 10:30AM Feb 28, 2021Observed: 7.42 ft at 10:45AM Feb 28, 2021Observed: 7.44 ft at 11:00AM Feb 28, 2021Observed: 7.45 ft at 11:15AM Feb 28, 2021Observed: 7.46 ft at 11:30AM Feb 28, 2021Observed: 7.48 ft at 11:45AM Feb 28, 2021Observed: 7.5 ft at 12:00PM Feb 28, 2021Observed: 7.52 ft at 12:15PM Feb 28, 2021Observed: 7.54 ft at 12:30PM Feb 28, 2021Observed: 7.57 ft at 12:45PM Feb 28, 2021Observed: 7.61 ft at 1:00PM Feb 28, 2021Observed: 7.65 ft at 1:15PM Feb 28, 2021Observed: 7.7 ft at 1:30PM Feb 28, 2021Observed: 7.72 ft at 1:45PM Feb 28, 2021Observed: 7.77 ft at 2:00PM Feb 28, 2021Observed: 7.81 ft at 2:15PM Feb 28, 2021Observed: 7.86 ft at 2:30PM Feb 28, 2021Observed: 7.92 ft at 2:45PM Feb 28, 2021Observed: 7.98 ft at 3:00PM Feb 28, 2021Observed: 8.05 ft at 3:15PM Feb 28, 2021Observed: 8.1 ft at 3:30PM Feb 28, 2021Observed: 8.14 ft at 3:45PM Feb 28, 2021Observed: 8.18 ft at 4:00PM Feb 28, 2021Observed: 8.21 ft at 4:15PM Feb 28, 2021Observed: 8.26 ft at 4:30PM Feb 28, 2021Observed: 8.31 ft at 4:45PM Feb 28, 2021Observed: 8.32 ft at 5:00PM Feb 28, 2021Observed: 8.32 ft at 5:15PM Feb 28, 2021Observed: 8.35 ft at 5:30PM Feb 28, 2021Observed: 8.39 ft at 5:45PM Feb 28, 2021Observed: 8.43 ft at 6:00PM Feb 28, 2021Observed: 8.46 ft at 6:15PM Feb 28, 2021Observed: 8.48 ft at 6:30PM Feb 28, 2021Observed: 8.51 ft at 6:45PM Feb 28, 2021Observed: 8.53 ft at 7:00PM Feb 28, 2021Observed: 8.56 ft at 7:15PM Feb 28, 2021Observed: 8.58 ft at 7:30PM Feb 28, 2021Observed: 8.6 ft at 7:45PM Feb 28, 2021Observed: 8.6 ft at 8:00PM Feb 28, 2021Observed: 8.62 ft at 8:15PM Feb 28, 2021Observed: 8.64 ft at 8:30PM Feb 28, 2021Observed: 8.66 ft at 8:45PM Feb 28, 2021Observed: 8.67 ft at 9:00PM Feb 28, 2021Observed: 8.68 ft at 9:15PM Feb 28, 2021Observed: 8.69 ft at 9:30PM Feb 28, 2021Observed: 8.7 ft at 9:45PM Feb 28, 2021Observed: 8.71 ft at 10:00PM Feb 28, 2021Observed: 8.71 ft at 10:15PM Feb 28, 2021Observed: 8.71 ft at 10:30PM Feb 28, 2021Observed: 8.72 ft at 10:45PM Feb 28, 2021Observed: 8.72 ft at 11:00PM Feb 28, 2021Highest Observation: 8.73 ft at 11:15PM Feb 28, 2021Highest Observation: 8.73 ft at 11:30PM Feb 28, 2021Observed: 8.72 ft at 11:45PM Feb 28, 2021Observed: 8.72 ft at 12:00AM Mar 01, 2021Observed: 8.72 ft at 12:15AM Mar 01, 2021Observed: 8.72 ft at 12:30AM Mar 01, 2021Observed: 8.72 ft at 12:45AM Mar 01, 2021Observed: 8.71 ft at 1:00AM Mar 01, 2021Observed: 8.71 ft at 1:15AM Mar 01, 2021Observed: 8.7 ft at 1:30AM Mar 01, 2021Observed: 8.7 ft at 1:45AM Mar 01, 2021Observed: 8.69 ft at 2:00AM Mar 01, 2021Observed: 8.68 ft at 2:15AM Mar 01, 2021Observed: 8.67 ft at 2:30AM Mar 01, 2021Observed: 8.66 ft at 2:45AM Mar 01, 2021Observed: 8.65 ft at 3:00AM Mar 01, 2021Observed: 8.64 ft at 3:15AM Mar 01, 2021Observed: 8.6 ft at 3:30AM Mar 01, 2021Observed: 8.58 ft at 3:45AM Mar 01, 2021Observed: 8.56 ft at 4:00AM Mar 01, 2021Observed: 8.55 ft at 4:15AM Mar 01, 2021Observed: 8.54 ft at 4:30AM Mar 01, 2021Observed: 8.52 ft at 4:45AM Mar 01, 2021Observed: 8.51 ft at 5:00AM Mar 01, 2021Observed: 8.49 ft at 5:15AM Mar 01, 2021Observed: 8.48 ft at 5:30AM Mar 01, 2021Observed: 8.46 ft at 5:45AM Mar 01, 2021Observed: 8.45 ft at 6:00AM Mar 01, 2021Observed: 8.44 ft at 6:15AM Mar 01, 2021Observed: 8.42 ft at 6:30AM Mar 01, 2021Observed: 8.4 ft at 6:45AM Mar 01, 2021Observed: 8.39 ft at 7:00AM Mar 01, 2021Observed: 8.37 ft at 7:15AM Mar 01, 2021Observed: 8.36 ft at 7:30AM Mar 01, 2021Observed: 8.35 ft at 7:45AM Mar 01, 2021Observed: 8.33 ft at 8:00AM Mar 01, 2021Observed: 8.31 ft at 8:15AM Mar 01, 2021Observed: 8.3 ft at 8:30AM Mar 01, 2021Observed: 8.28 ft at 8:45AM Mar 01, 2021Observed: 8.26 ft at 9:00AM Mar 01, 2021Observed: 8.25 ft at 9:15AM Mar 01, 2021Observed: 8.24 ft at 9:30AM Mar 01, 2021Observed: 8.23 ft at 9:45AM Mar 01, 2021Observed: 8.21 ft at 10:00AM Mar 01, 2021Observed: 8.19 ft at 10:15AM Mar 01, 2021Observed: 8.18 ft at 10:30AM Mar 01, 2021Observed: 8.18 ft at 10:45AM Mar 01, 2021Observed: 8.17 ft at 11:00AM Mar 01, 2021Observed: 8.17 ft at 11:15AM Mar 01, 2021Observed: 8.13 ft at 11:30AM Mar 01, 2021Observed: 8.12 ft at 11:45AM Mar 01, 2021Observed: 8.1 ft at 12:00PM Mar 01, 2021Observed: 8.08 ft at 12:15PM Mar 01, 2021Observed: 8.07 ft at 12:30PM Mar 01, 2021Observed: 8.05 ft at 12:45PM Mar 01, 2021Observed: 8.04 ft at 1:00PM Mar 01, 2021Observed: 8.02 ft at 1:15PM Mar 01, 2021Observed: 8.01 ft at 1:30PM Mar 01, 2021Observed: 8 ft at 1:45PM Mar 01, 2021Observed: 7.99 ft at 2:00PM Mar 01, 2021Observed: 7.98 ft at 2:15PM Mar 01, 2021Observed: 7.96 ft at 2:30PM Mar 01, 2021Observed: 7.96 ft at 2:45PM Mar 01, 2021Observed: 7.94 ft at 3:00PM Mar 01, 2021Observed: 7.93 ft at 3:15PM Mar 01, 2021Observed: 7.92 ft at 3:30PM Mar 01, 2021Observed: 7.9 ft at 3:45PM Mar 01, 2021Observed: 7.89 ft at 4:00PM Mar 01, 2021Observed: 7.88 ft at 4:15PM Mar 01, 2021Observed: 7.87 ft at 4:30PM Mar 01, 2021Observed: 7.86 ft at 4:45PM Mar 01, 2021Observed: 7.85 ft at 5:00PM Mar 01, 2021Observed: 7.83 ft at 5:15PM Mar 01, 2021Observed: 7.82 ft at 5:30PM Mar 01, 2021Observed: 7.81 ft at 5:45PM Mar 01, 2021Observed: 7.81 ft at 6:00PM Mar 01, 2021Observed: 7.8 ft at 6:15PM Mar 01, 2021Observed: 7.78 ft at 6:30PM Mar 01, 2021Observed: 7.77 ft at 6:45PM Mar 01, 2021Observed: 7.76 ft at 7:00PM Mar 01, 2021Observed: 7.75 ft at 7:15PM Mar 01, 2021Observed: 7.74 ft at 7:30PM Mar 01, 2021Observed: 7.73 ft at 7:45PM Mar 01, 2021Observed: 7.72 ft at 8:00PM Mar 01, 2021Observed: 7.71 ft at 8:15PM Mar 01, 2021Observed: 7.7 ft at 8:30PM Mar 01, 2021Observed: 7.68 ft at 8:45PM Mar 01, 2021Observed: 7.67 ft at 9:00PM Mar 01, 2021Observed: 7.66 ft at 9:15PM Mar 01, 2021Observed: 7.65 ft at 9:30PM Mar 01, 2021Observed: 7.63 ft at 9:45PM Mar 01, 2021Observed: 7.62 ft at 10:00PM Mar 01, 2021Observed: 7.62 ft at 10:15PM Mar 01, 2021Observed: 7.6 ft at 10:30PM Mar 01, 2021Observed: 7.59 ft at 10:45PM Mar 01, 2021Observed: 7.58 ft at 11:00PM Mar 01, 2021Observed: 7.56 ft at 11:15PM Mar 01, 2021Observed: 7.55 ft at 11:30PM Mar 01, 2021Observed: 7.54 ft at 11:45PM Mar 01, 2021Observed: 7.52 ft at 12:00AM Mar 02, 2021Observed: 7.52 ft at 12:15AM Mar 02, 2021Observed: 7.5 ft at 12:30AM Mar 02, 2021Observed: 7.49 ft at 12:45AM Mar 02, 2021Observed: 7.48 ft at 1:00AM Mar 02, 2021Observed: 7.46 ft at 1:15AM Mar 02, 2021USGS--Water Resources of the United StatesMDRI3(plotting HGIRG) Graph Created (2:10AM Mar 2, 2021)ObservedLatest observed value: 7.46 ft at 1:15 AM CST 2-Mar-2021.
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About this graph
Tabular Data (UTC)
Tabular Data (CST)
XML Data
RSS Files
Datum: NAVD88
Metadata
NOTE: Graphical forecasts are not available for the Deep River (IN) near Merrillville. During times of high water, forecast crest information can be found in the text products.
Return to Area Map
Downstream Gauge Downstream Gauge - at Hobart
Flood Categories (in feet)
Major Flood Stage: 0
Moderate Flood Stage: 0
Flood Stage: 0
Action Stage: 8.5
Low Stage (in feet): -9999

Historic Crests
(1) 11.80 ft on 02/21/2018
(2) 11.36 ft on 05/01/2019
(3) 9.02 ft on 01/01/2019
(4) 8.84 ft on 11/26/2018

(P): Preliminary values subject to further review.

Recent Crests
(1) 11.36 ft on 05/01/2019
(2) 9.02 ft on 01/01/2019
(3) 8.84 ft on 11/26/2018
(4) 11.80 ft on 02/21/2018

(P): Preliminary values subject to further review.

Low Water Records
Currently none available.
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.
About This Location Collapse

Latitude: 41.452400° N, Longitude: 87.258300° W, Horizontal Datum: NAD83/WGS84

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 649.53 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:
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
Chicago Weather Forecast Office
333 W. University Dr.
Romeoville, IL 60446
(815) 834-1435
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