Big Blue River (IN) at Shelbyville
Critical Stages
9' - Action
13' - Flood
15' - Moderate
18' - Major
Latest Observation
Updated: 12:45 AM EST 12/6/25
Status: No Flooding
Stage: 4.76 ft
Flow: 0.117 kcfs
Forecast
Forecast not available for this location.
| Time | Stage (ft) | Flow (kcfs) |
|---|---|---|
| 12:45 AM 12/6 | 4.76 | 0.117 |
| 12:30 AM 12/6 | 4.76 | 0.117 |
| 12:15 AM 12/6 | 4.76 | 0.117 |
| 12:00 AM 12/6 | 4.76 | 0.117 |
| 11:45 PM 12/5 | 4.76 | 0.117 |
| 11:30 PM 12/5 | 4.76 | 0.117 |
| 11:15 PM 12/5 | 4.76 | 0.117 |
| 11:00 PM 12/5 | 4.76 | 0.117 |
| 10:45 PM 12/5 | 4.76 | 0.117 |
| 10:30 PM 12/5 | 4.76 | 0.117 |
| 10:15 PM 12/5 | 4.76 | 0.117 |
| 10:00 PM 12/5 | 4.76 | 0.117 |
| 9:45 PM 12/5 | 4.76 | 0.117 |
| 9:30 PM 12/5 | 4.76 | 0.117 |
| 9:15 PM 12/5 | 4.76 | 0.117 |
| 9:00 PM 12/5 | 4.77 | 0.12 |
| 8:45 PM 12/5 | 4.76 | 0.117 |
| 8:30 PM 12/5 | 4.77 | 0.12 |
| 8:15 PM 12/5 | 4.77 | 0.12 |
| 8:00 PM 12/5 | 4.77 | 0.12 |
| 7:45 PM 12/5 | 4.77 | 0.12 |
| 7:30 PM 12/5 | 4.77 | 0.12 |
| 7:15 PM 12/5 | 4.77 | 0.12 |
| 7:00 PM 12/5 | 4.77 | 0.12 |
| 6:45 PM 12/5 | 4.76 | 0.117 |
| 6:30 PM 12/5 | 4.76 | 0.117 |
| 6:15 PM 12/5 | 4.77 | 0.12 |
| 6:00 PM 12/5 | 4.76 | 0.117 |
| 5:45 PM 12/5 | 4.77 | 0.12 |
| 5:30 PM 12/5 | 4.77 | 0.12 |
23.9' -
Low steel of Harrison Street Bridge over the Big Blue River at gaging site.
20' -
Near record or record flooding is in progress. Major flooding causes substantial residential and business damage in Shelbyville.
19.5' -
Maximum good reading before wellhouse is flooded.
18' -
Major flood strikes Shelbyville.
17' -
Extensive flooding along left bank affects business and residential property along Boggstown Road. Rural flooding of a few homes near CR 100N and Boggstown Road on April 21, 2011.
16.3' -
Extensive flooding occurring along Big Blue River. Several residences in Shelbyville had water in their yards on March 6, 2011. One day later extensive flooding at mile marker 82.5 in the Edinburgh area. Several homes along Sugar Creek were evacuated when the level peaked at nine ft on the New Palestine gage one day earlier.
15' -
High water affects trucking firm on Boggstown Road.
14' -
Flooding begins to affect business and residential property. West Washington Avenue east of rendering plant begins to flood. In winter and spring, persons are not too concerned. This level is rather unusual for summer.
13.5' -
Flooding affects Boggstown Road near sewage plant. Considerable flooding of agricultural fields south of Boggstown Road. Lowland flooding occurring along the Big Blue River in Johnson County.
13' -
Flood Stage. Water reaches CR 425W. Some agricultural land and extremely low-lying areas like Bear Chase golf course are flooded.
12.5' -
Right bank 50 feet upstream of gage site overflows.
12' -
Lowland flooding begins in Sunset Park on left bank about one-half downstream of gage site. Water very near and may start flowing over Shelby CR 425W south of Shelby CR 50S and north of Shelby CR 100S.
11' -
Flooding begins at Bear Chase Golf Course. Lowland flooding begins in Sunset Park located on left bank about one-half mile downstream of gage site. Flood waters in agricultural fields in SR 44 area.
9' -
River is near bankfull and impairing sewage treatment operation. Some flooding is likely in southwest Shelby county.
| Date | Stage (ft) |
|---|---|
| Mar 28, 1913 | 20.2 |
| Apr 6, 2025 | 19.98 |
| Jan 6, 2005 | 18.43 |
| Nov 15, 1993 | 18.41 |
| Dec 23, 2013 | 18.3 |
| Jan 25, 1937 | 18.3 |
| Jan 12, 1937 | 18.3 |
| Apr 4, 2018 | 18.06 |
| Dec 31, 1990 | 18.03 |
| Mar 5, 1963 | 17.7 |
| Apr 21, 2011 | 17.1 |
| Jan 5, 1949 | 17 |
| Jun 1, 1997 | 16.84 |
| Feb 8, 2019 | 16.72 |
| Jan 22, 1959 | 16.5 |
| Mar 6, 2011 | 16.41 |
| Feb 24, 1975 | 16.33 |
| May 14, 2002 | 16.21 |
| Jun 17, 2019 | 16.19 |
| Apr 30, 1996 | 16.13 |
Data provided by the National Weather Service.
