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Hydrograph River at a Glance Download
Deep River (IN) near Merrillville Stage (ft)Highest Observation: 3.36 ft at 6:30AM Jun 15, 2021Highest Observation: 3.36 ft at 6:45AM Jun 15, 2021Highest Observation: 3.36 ft at 7:00AM Jun 15, 2021Highest Observation: 3.36 ft at 7:15AM Jun 15, 2021Highest Observation: 3.36 ft at 7:30AM Jun 15, 2021Highest Observation: 3.36 ft at 7:45AM Jun 15, 2021Highest Observation: 3.36 ft at 8:00AM Jun 15, 2021Highest Observation: 3.36 ft at 8:15AM Jun 15, 2021Highest Observation: 3.36 ft at 8:30AM Jun 15, 2021Highest Observation: 3.36 ft at 8:45AM Jun 15, 2021Highest Observation: 3.36 ft at 9:00AM Jun 15, 2021Highest Observation: 3.36 ft at 9:15AM Jun 15, 2021Highest Observation: 3.36 ft at 9:30AM Jun 15, 2021Highest Observation: 3.36 ft at 9:45AM Jun 15, 2021Highest Observation: 3.36 ft at 10:00AM Jun 15, 2021Highest Observation: 3.36 ft at 10:15AM Jun 15, 2021Highest Observation: 3.36 ft at 10:30AM Jun 15, 2021Highest Observation: 3.36 ft at 10:45AM Jun 15, 2021Highest Observation: 3.36 ft at 11:00AM Jun 15, 2021Highest Observation: 3.36 ft at 11:15AM Jun 15, 2021Observed: 3.35 ft at 12:30PM Jun 15, 2021Observed: 3.35 ft at 12:45PM Jun 15, 2021Observed: 3.35 ft at 1:00PM Jun 15, 2021Observed: 3.34 ft at 1:15PM Jun 15, 2021Observed: 3.34 ft at 1:30PM Jun 15, 2021Observed: 3.34 ft at 1:45PM Jun 15, 2021Observed: 3.34 ft at 2:00PM Jun 15, 2021Observed: 3.33 ft at 2:15PM Jun 15, 2021Observed: 3.33 ft at 2:30PM Jun 15, 2021Observed: 3.33 ft at 2:45PM Jun 15, 2021Observed: 3.33 ft at 3:00PM Jun 15, 2021Observed: 3.32 ft at 3:15PM Jun 15, 2021Observed: 3.32 ft at 3:30PM Jun 15, 2021Observed: 3.31 ft at 3:45PM Jun 15, 2021Observed: 3.31 ft at 4:00PM Jun 15, 2021Observed: 3.31 ft at 4:15PM Jun 15, 2021Observed: 3.3 ft at 4:30PM Jun 15, 2021Observed: 3.3 ft at 4:45PM Jun 15, 2021Observed: 3.29 ft at 5:00PM Jun 15, 2021Observed: 3.29 ft at 5:15PM Jun 15, 2021Observed: 3.29 ft at 5:30PM Jun 15, 2021Observed: 3.28 ft at 5:45PM Jun 15, 2021Observed: 3.28 ft at 6:00PM Jun 15, 2021Observed: 3.28 ft at 6:15PM Jun 15, 2021Observed: 3.27 ft at 6:30PM Jun 15, 2021Observed: 3.27 ft at 6:45PM Jun 15, 2021Observed: 3.27 ft at 7:00PM Jun 15, 2021Observed: 3.27 ft at 7:15PM Jun 15, 2021Observed: 3.27 ft at 7:30PM Jun 15, 2021Observed: 3.26 ft at 7:45PM Jun 15, 2021Observed: 3.26 ft at 8:00PM Jun 15, 2021Observed: 3.26 ft at 8:15PM Jun 15, 2021Observed: 3.26 ft at 8:30PM Jun 15, 2021Observed: 3.27 ft at 8:45PM Jun 15, 2021Observed: 3.27 ft at 9:00PM Jun 15, 2021Observed: 3.27 ft at 9:15PM Jun 15, 2021Observed: 3.27 ft at 9:30PM Jun 15, 2021Observed: 3.28 ft at 9:45PM Jun 15, 2021Observed: 3.28 ft at 10:00PM Jun 15, 2021Observed: 3.28 ft at 10:15PM Jun 15, 2021Observed: 3.29 ft at 10:30PM Jun 15, 2021Observed: 3.3 ft at 10:45PM Jun 15, 2021Observed: 3.3 ft at 11:00PM Jun 15, 2021Observed: 3.3 ft at 11:15PM Jun 15, 2021Observed: 3.31 ft at 11:30PM Jun 15, 2021Observed: 3.31 ft at 11:45PM Jun 15, 2021Observed: 3.32 ft at 12:00AM Jun 16, 2021Observed: 3.32 ft at 12:15AM Jun 16, 2021Observed: 3.32 ft at 12:30AM Jun 16, 2021Observed: 3.33 ft at 12:45AM Jun 16, 2021Observed: 3.33 ft at 1:00AM Jun 16, 2021Observed: 3.33 ft at 1:15AM Jun 16, 2021Observed: 3.33 ft at 1:30AM Jun 16, 2021Observed: 3.33 ft at 1:45AM Jun 16, 2021Observed: 3.34 ft at 2:00AM Jun 16, 2021Observed: 3.34 ft at 2:15AM Jun 16, 2021Observed: 3.34 ft at 2:30AM Jun 16, 2021Observed: 3.34 ft at 2:45AM Jun 16, 2021Observed: 3.34 ft at 3:00AM Jun 16, 2021Observed: 3.34 ft at 3:15AM Jun 16, 2021Observed: 3.34 ft at 3:30AM Jun 16, 2021Observed: 3.34 ft at 3:45AM Jun 16, 2021Observed: 3.34 ft at 4:00AM Jun 16, 2021Observed: 3.34 ft at 4:15AM Jun 16, 2021Observed: 3.34 ft at 4:30AM Jun 16, 2021Observed: 3.34 ft at 4:45AM Jun 16, 2021Observed: 3.34 ft at 5:00AM Jun 16, 2021Observed: 3.33 ft at 5:15AM Jun 16, 2021Observed: 3.33 ft at 5:30AM Jun 16, 2021Observed: 3.33 ft at 5:45AM Jun 16, 2021Observed: 3.33 ft at 6:00AM Jun 16, 2021Observed: 3.33 ft at 6:15AM Jun 16, 2021Observed: 3.33 ft at 6:30AM Jun 16, 2021Observed: 3.33 ft at 6:45AM Jun 16, 2021Observed: 3.33 ft at 7:00AM Jun 16, 2021Observed: 3.33 ft at 7:15AM Jun 16, 2021Observed: 3.33 ft at 7:30AM Jun 16, 2021Observed: 3.33 ft at 7:45AM Jun 16, 2021Observed: 3.33 ft at 8:00AM Jun 16, 2021Observed: 3.33 ft at 8:15AM Jun 16, 2021Observed: 3.33 ft at 8:30AM Jun 16, 2021Observed: 3.33 ft at 8:45AM Jun 16, 2021Observed: 3.33 ft at 9:00AM Jun 16, 2021Observed: 3.33 ft at 9:15AM Jun 16, 2021Observed: 3.33 ft at 9:30AM Jun 16, 2021Observed: 3.33 ft at 9:45AM Jun 16, 2021Observed: 3.33 ft at 10:00AM Jun 16, 2021Observed: 3.33 ft at 10:15AM Jun 16, 2021Observed: 3.33 ft at 1:30PM Jun 16, 2021Observed: 3.32 ft at 1:45PM Jun 16, 2021Observed: 3.32 ft at 2:00PM Jun 16, 2021Observed: 3.32 ft at 2:15PM Jun 16, 2021Observed: 3.32 ft at 2:30PM Jun 16, 2021Observed: 3.31 ft at 2:45PM Jun 16, 2021Observed: 3.31 ft at 3:00PM Jun 16, 2021Observed: 3.31 ft at 3:15PM Jun 16, 2021Observed: 3.31 ft at 3:30PM Jun 16, 2021Observed: 3.3 ft at 3:45PM Jun 16, 2021Observed: 3.3 ft at 4:00PM Jun 16, 2021Observed: 3.3 ft at 4:15PM Jun 16, 2021Observed: 3.29 ft at 4:30PM Jun 16, 2021Observed: 3.29 ft at 4:45PM Jun 16, 2021Observed: 3.28 ft at 5:00PM Jun 16, 2021Observed: 3.28 ft at 5:15PM Jun 16, 2021Observed: 3.28 ft at 5:30PM Jun 16, 2021Observed: 3.27 ft at 5:45PM Jun 16, 2021Observed: 3.27 ft at 6:00PM Jun 16, 2021Observed: 3.27 ft at 6:15PM Jun 16, 2021Observed: 3.26 ft at 6:30PM Jun 16, 2021Observed: 3.26 ft at 6:45PM Jun 16, 2021Observed: 3.25 ft at 7:00PM Jun 16, 2021Observed: 3.25 ft at 7:15PM Jun 16, 2021Observed: 3.25 ft at 7:30PM Jun 16, 2021Observed: 3.25 ft at 7:45PM Jun 16, 2021Observed: 3.25 ft at 8:00PM Jun 16, 2021Observed: 3.25 ft at 8:15PM Jun 16, 2021Observed: 3.25 ft at 8:30PM Jun 16, 2021Observed: 3.25 ft at 8:45PM Jun 16, 2021Observed: 3.25 ft at 9:00PM Jun 16, 2021Observed: 3.25 ft at 9:15PM Jun 16, 2021Observed: 3.25 ft at 9:30PM Jun 16, 2021Observed: 3.26 ft at 9:45PM Jun 16, 2021Observed: 3.26 ft at 10:00PM Jun 16, 2021Observed: 3.27 ft at 10:15PM Jun 16, 2021Observed: 3.27 ft at 10:30PM Jun 16, 2021Observed: 3.28 ft at 10:45PM Jun 16, 2021Observed: 3.28 ft at 11:00PM Jun 16, 2021Observed: 3.29 ft at 11:15PM Jun 16, 2021Observed: 3.29 ft at 11:30PM Jun 16, 2021Observed: 3.3 ft at 11:45PM Jun 16, 2021Observed: 3.3 ft at 12:00AM Jun 17, 2021Observed: 3.3 ft at 12:15AM Jun 17, 2021Observed: 3.31 ft at 12:30AM Jun 17, 2021Observed: 3.31 ft at 12:45AM Jun 17, 2021Observed: 3.31 ft at 1:00AM Jun 17, 2021Observed: 3.31 ft at 1:15AM Jun 17, 2021Observed: 3.32 ft at 1:30AM Jun 17, 2021Observed: 3.32 ft at 1:45AM Jun 17, 2021Observed: 3.32 ft at 2:00AM Jun 17, 2021Observed: 3.33 ft at 2:15AM Jun 17, 2021Observed: 3.33 ft at 2:30AM Jun 17, 2021Observed: 3.33 ft at 2:45AM Jun 17, 2021Observed: 3.33 ft at 3:00AM Jun 17, 2021Observed: 3.33 ft at 3:15AM Jun 17, 2021Observed: 3.33 ft at 3:30AM Jun 17, 2021Observed: 3.33 ft at 3:45AM Jun 17, 2021Observed: 3.33 ft at 4:00AM Jun 17, 2021Observed: 3.32 ft at 4:15AM Jun 17, 2021Observed: 3.32 ft at 4:30AM Jun 17, 2021Observed: 3.32 ft at 4:45AM Jun 17, 2021Observed: 3.32 ft at 5:00AM Jun 17, 2021Observed: 3.32 ft at 5:15AM Jun 17, 2021Observed: 3.32 ft at 5:30AM Jun 17, 2021Observed: 3.32 ft at 5:45AM Jun 17, 2021Observed: 3.32 ft at 6:00AM Jun 17, 2021Observed: 3.32 ft at 6:15AM Jun 17, 2021Observed: 3.31 ft at 6:30AM Jun 17, 2021Observed: 3.31 ft at 6:45AM Jun 17, 2021Observed: 3.31 ft at 7:00AM Jun 17, 2021Observed: 3.31 ft at 7:15AM Jun 17, 2021Observed: 3.31 ft at 7:30AM Jun 17, 2021Observed: 3.31 ft at 7:45AM Jun 17, 2021Observed: 3.31 ft at 8:00AM Jun 17, 2021Observed: 3.31 ft at 8:15AM Jun 17, 2021Observed: 3.31 ft at 8:30AM Jun 17, 2021Observed: 3.31 ft at 8:45AM Jun 17, 2021Observed: 3.31 ft at 9:00AM Jun 17, 2021Observed: 3.31 ft at 9:15AM Jun 17, 2021Observed: 3.31 ft at 9:30AM Jun 17, 2021Observed: 3.31 ft at 9:45AM Jun 17, 2021Observed: 3.31 ft at 10:00AM Jun 17, 2021Observed: 3.31 ft at 10:15AM Jun 17, 2021Observed: 3.31 ft at 10:30AM Jun 17, 2021Observed: 3.32 ft at 10:45AM Jun 17, 2021Observed: 3.32 ft at 11:00AM Jun 17, 2021Observed: 3.32 ft at 11:15AM Jun 17, 2021Observed: 3.32 ft at 11:30AM Jun 17, 2021Observed: 3.32 ft at 11:45AM Jun 17, 2021Observed: 3.31 ft at 12:00PM Jun 17, 2021Observed: 3.31 ft at 12:15PM Jun 17, 2021Observed: 3.3 ft at 2:30PM Jun 17, 2021Observed: 3.29 ft at 2:45PM Jun 17, 2021Observed: 3.29 ft at 3:00PM Jun 17, 2021Observed: 3.29 ft at 3:15PM Jun 17, 2021Observed: 3.29 ft at 3:30PM Jun 17, 2021Observed: 3.28 ft at 3:45PM Jun 17, 2021Observed: 3.28 ft at 4:00PM Jun 17, 2021Observed: 3.28 ft at 4:15PM Jun 17, 2021Observed: 3.27 ft at 4:30PM Jun 17, 2021Observed: 3.27 ft at 4:45PM Jun 17, 2021Observed: 3.27 ft at 5:00PM Jun 17, 2021Observed: 3.26 ft at 5:15PM Jun 17, 2021Observed: 3.26 ft at 5:30PM Jun 17, 2021Observed: 3.25 ft at 5:45PM Jun 17, 2021Observed: 3.25 ft at 6:00PM Jun 17, 2021Observed: 3.25 ft at 6:15PM Jun 17, 2021Observed: 3.24 ft at 6:30PM Jun 17, 2021Observed: 3.24 ft at 6:45PM Jun 17, 2021Observed: 3.23 ft at 7:00PM Jun 17, 2021Observed: 3.23 ft at 7:15PM Jun 17, 2021Observed: 3.23 ft at 7:30PM Jun 17, 2021Observed: 3.22 ft at 7:45PM Jun 17, 2021Observed: 3.22 ft at 8:00PM Jun 17, 2021Observed: 3.22 ft at 8:15PM Jun 17, 2021Observed: 3.22 ft at 8:30PM Jun 17, 2021Observed: 3.22 ft at 8:45PM Jun 17, 2021Observed: 3.22 ft at 9:00PM Jun 17, 2021Observed: 3.22 ft at 9:15PM Jun 17, 2021Observed: 3.23 ft at 9:30PM Jun 17, 2021Observed: 3.23 ft at 9:45PM Jun 17, 2021Observed: 3.23 ft at 10:00PM Jun 17, 2021Observed: 3.24 ft at 10:15PM Jun 17, 2021Observed: 3.24 ft at 10:30PM Jun 17, 2021Observed: 3.25 ft at 10:45PM Jun 17, 2021Observed: 3.25 ft at 11:00PM Jun 17, 2021Observed: 3.26 ft at 11:15PM Jun 17, 2021Observed: 3.27 ft at 11:30PM Jun 17, 2021Observed: 3.27 ft at 11:45PM Jun 17, 2021Observed: 3.28 ft at 12:00AM Jun 18, 2021Observed: 3.28 ft at 12:15AM Jun 18, 2021Observed: 3.29 ft at 12:30AM Jun 18, 2021Observed: 3.29 ft at 12:45AM Jun 18, 2021Observed: 3.3 ft at 1:00AM Jun 18, 2021Observed: 3.3 ft at 1:15AM Jun 18, 2021Observed: 3.3 ft at 1:30AM Jun 18, 2021Observed: 3.3 ft at 1:45AM Jun 18, 2021Observed: 3.3 ft at 2:00AM Jun 18, 2021Observed: 3.31 ft at 2:15AM Jun 18, 2021Observed: 3.31 ft at 2:30AM Jun 18, 2021Observed: 3.31 ft at 2:45AM Jun 18, 2021Observed: 3.31 ft at 3:00AM Jun 18, 2021Observed: 3.31 ft at 3:15AM Jun 18, 2021Observed: 3.31 ft at 3:30AM Jun 18, 2021Observed: 3.31 ft at 3:45AM Jun 18, 2021Observed: 3.31 ft at 4:00AM Jun 18, 2021Observed: 3.31 ft at 4:15AM Jun 18, 2021Observed: 3.31 ft at 4:30AM Jun 18, 2021Observed: 3.31 ft at 4:45AM Jun 18, 2021Observed: 3.31 ft at 5:00AM Jun 18, 2021Observed: 3.3 ft at 5:15AM Jun 18, 2021USGS--Water Resources of the United StatesMDRI3(plotting HGIRG) Graph Created (6:25AM Jun 18, 2021)ObservedLatest observed value: 3.3 ft at 5:15 AM CDT 18-Jun-2021.
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About this graph
Tabular Data (UTC)
Tabular Data (CDT)
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.
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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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