StormCast — Weather & Emergency Alerts

Rock River near Hardwick
Minnesota — Water Level & Flood Stage

Located in Rock County, Minnesota on the Rock River. Live water level data from USGS, updated every 15 minutes.

Current Water Level

Gage Height

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Streamflow

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Last Reading

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This is an NWS forecast point (LID: HRDM5). Live data may be limited. View on NWS AHPS →

Flood Stages

Major Flood

22 ft

Moderate Flood

17 ft

Minor Flood

14 ft

Action Stage

12 ft

Flood stages defined by the National Weather Service. Gage height data from USGS Water Resources.

What Floods at Each Level

24 ft

The bridge at the gage is overtopped and County Road 8 is flooded.

21 ft

The bridge on 175th St is overtopped.

19.5 ft

Water reaches the bottom of the bridge at the gage on CR 8 and also the bridge on 175th St.

16 ft

The lowest portions of the road near the intersection of 160th Ave and 175 St begin to flood.

15 ft

More substantial agricultural flooding begins.

12 ft

Nearby ditches are flooded and may spill over into low lying agricultural areas.

9 ft

Very minor lowland flooding begins.

Impact statements from the National Weather Service, describing what typically happens at each water level.

7-Day Water Level Chart

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View Official NWS Hydrograph →

Historic Crests

Date Stage Flow
Jun 16, 201421.18 ft
Jun 16, 201421.18 ft
Sep 11, 201919.99 ft12,406 cfs
Sep 11, 201919.99 ft12,406 cfs
Mar 9, 201519.91 ft

About This Gauge

NWS LID

HRDM5

River

Rock River

County

Rock, MN

Coordinates

43.7178°N, 96.1644°W

Get Flood Alerts for Rock River

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.

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Frequently Asked Questions

What is the current water level of Rock River near Hardwick?

The Rock River near Hardwick gauge is maintained by USGS 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 Rock River near Hardwick?

The NWS-defined flood stage for Rock River near Hardwick is 14 feet. Action stage begins at 12 feet. Moderate flooding starts at 17 feet, and major flooding at 22 feet.

How do I get alerts when Rock River rises?

Download StormCast free on Google Play, go to River Gauges, and add Rock River near Hardwick to your watchlist. StormCast will send a push notification to your phone whenever the water level crosses into a new NWS flood category — even when your screen is off.

Where is the Rock River near Hardwick gauge located?

The gauge is located in Rock County, Minnesota at coordinates 43.7178°N, 96.1644°W. Data is provided by the U.S. Geological Survey and the National Weather Service.

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Source & Notes

Data provided by: Observations courtesy of Minnesota DNR