Major Flood
13.5 ft
Current Water Level
Gage Height
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Streamflow
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Last Reading
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FLOOD STAGES
Know the flood categories.
Flood stages defined by the National Weather Service. Gage height data from USGS Water Resources.
Moderate Flood
10.5 ft
Minor Flood
8.5 ft
Action Stage
7.5 ft
What Floods at Each Level
14.5 ft
Ainsworth Road threatened near Hobart.
13.5 ft
US-30 threatened in Merrillville.
13 ft
Lincoln Highway threatened near Merrillville.
12.5 ft
Grand Boulevard threatened near Merrillville.
12 ft
Lake Park Avenue (IN-51) threatened near Hobart. Clay Street threatened near Merrillville.
11.5 ft
101st Avenue threatened south of Merrillville. 61st Avenue threatened in Hobart.
11 ft
A few residential structures threatened along Colorado Street near Merrillville. Residential structure threatened along 61st Street in Merrillville. Colorado Street is threatened. Residential property threatened along Lake Park Avenue (IN-59) near Hobart.
10.5 ft
Low-lying portions of Indian Ridge Golf Course inundated near Hobart.
8.5 ft
Parking lots threatened at Deep River County Park.
8 ft
Low-lying agricultural land is inundated in and near Merrillville.
6 ft
Low-lying forest land threatened in and near Merrillville.
Impact statements from the National Weather Service, describing what typically happens at each water level.
Low-Water Impacts
2.5
River nears zero flow.
What happens as water levels drop, per the National Weather Service.
7-Day Water Level Chart
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Historic Crests
| Date | Stage | Flow |
|---|---|---|
| Feb 20, 2018 | 11.8 ft | — |
| Apr 30, 2019 | 11.36 ft | — |
| Sep 27, 2019 | 11.21 ft | — |
About This Gauge
Get Flood Alerts for Deep River (IN)
StormCast monitors this gauge and sends a push notification to your phone when the water level crosses into a new flood category — even at 3 AM.
Frequently Asked Questions
What is the current water level of Deep River (IN) near Merrillville?
The Deep River (IN) near Merrillville gauge is maintained by USGS (site 04092944) and reports water levels every 15 minutes. Visit this page to see the latest reading updated live, or download StormCast to get push alerts when levels rise.
What is flood stage for Deep River (IN) near Merrillville?
The NWS-defined flood stage for Deep River (IN) near Merrillville is 8.5 feet. Action stage begins at 7.5 feet. Moderate flooding starts at 10.5 feet, and major flooding at 13.5 feet.
How do I get alerts when Deep River (IN) rises?
Download StormCast free on Google Play, go to River Gauges, and add Deep River (IN) near Merrillville to your watchlist. StormCast will send a push notification to your phone whenever the water level crosses into a new NWS flood category.
Where is the Deep River (IN) near Merrillville gauge located?
The gauge is located in Lake County, Indiana at coordinates 41.4524°N, 87.2583°W. USGS site number: 04092944. Data is provided by the U.S. Geological Survey and the National Weather Service.
More Gauges on Deep River (IN)
On This River
Downstream: Deep River (IN) at Hobart
More Resources
Source & Notes
Data provided by: US Geological Survey, Observations courtesy of U.S. Geological Survey