Major Flood
13 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 ft
Minor Flood
7 ft
Action Stage
5 ft
What Floods at Each Level
14 ft
Near record to record flood along the Big Blue River. Many county and some city streets impassable. Eastern and southern parts of Carthage, extreme southern sections of Knightstown and extreme eastern Raysville flood extensively. Many evacuations occur in Knightstown, Carthage and rural northwest Rush county.
13 ft
A serious flood in progress. Many local roads are impassable. Some evacuations occur in southern parts of Carthage, extreme southern sections of Knightstown, eastern Raysville and rural areas of northwest Rush County. Used auto parts yard in Carthage is extensively flooded.
11 ft
Extensive flooding is in progress. Many local roads flood and are impassable to most vehicles. A few evacuations are necessary in southern parts of Carthage, extreme southern sections of Knightstown, eastern Raysville and a few rural areas of northwest Rush County. Used auto parts yard in Carthage is flooded.
8.5 ft
A frequent high water level. This occurs about two or three times a year. Local roads near the Big Blue River flood. Water surrounds a few homes in Carthage, enters dog houses in southern Carthage and affects used auto parts yard in Carthage. Water is in yards in the southern outskirts of Knightstown and extreme eastern Raysville.
7 ft
Lowland flooding begins.
5 ft
CR800N begins to flood at its lowest point where it crosses the Big Blue River in northwest Rush County.
Impact statements from the National Weather Service, describing what typically happens at each water level.
7-Day Water Level Chart
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Historic Crests
| Date | Stage | Flow |
|---|---|---|
| Mar 3, 1963 | 14.62 ft | 12,900 cfs |
| Jan 20, 1959 | 13.28 ft | 8,340 cfs |
| Nov 14, 1993 | 12.91 ft | 8,410 cfs |
About This Gauge
USGS Site
NWS LID
CARI3
River
Big Blue River (IN)
County
Rush, IN
Coordinates
39.7439°N, 85.5758°W
Get Flood Alerts for Big Blue 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 Big Blue River (IN) at Carthage?
The Big Blue River (IN) at Carthage gauge is maintained by USGS (site 03361000) 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 Big Blue River (IN) at Carthage?
The NWS-defined flood stage for Big Blue River (IN) at Carthage is 7 feet. Action stage begins at 5 feet. Moderate flooding starts at 10 feet, and major flooding at 13 feet.
How do I get alerts when Big Blue River (IN) rises?
Download StormCast free on Google Play, go to River Gauges, and add Big Blue River (IN) at Carthage 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 Big Blue River (IN) at Carthage gauge located?
The gauge is located in Rush County, Indiana at coordinates 39.7439°N, 85.5758°W. USGS site number: 03361000. Data is provided by the U.S. Geological Survey and the National Weather Service.
More Gauges on Big Blue River (IN)
On This River
Downstream: Big Blue River (IN) at Shelbyville
More Resources
Source & Notes
Data provided by: US Geological Survey, Observations courtesy of U.S. Geological Survey
- Stage may be affected by ice.