Skip Navigation Link  
NOAA logo - Click to go to the NOAA homepage National Weather Service NWS logo - Click to go to the NWS homepage
Advanced Hydrologic Prediction Service
Image background of Navigation bar Left
Navigation Bar End Cap


This probabilistic forecast is issued by the Ohio River Forecast Center.
tab left off Hydrograph tab right off tab left off River at a Glance tab right off tab left off Download tab right off tab left on tab right on
About this graph
Forecasts for the Flatrock River at Columbus are issued as needed during times of high water, but are not routinely available.
Return to Area Map

Downstream Gauge Downstream Gauge - at Columbus
Zoom Level:14
Flood Categories (in feet)
Major Flood Stage: 19
Moderate Flood Stage: 15
Flood Stage: 11
Action Stage: 9
Low Flow (in KCFS): 0.031

Historic Crests
(1) 19.94 ft on 06/07/2008
(2) 16.45 ft on 01/07/2005
(3) 15.68 ft on 02/08/2019
(4) 15.34 ft on 12/23/2013
(5) 15.25 ft on 03/21/2020
(6) 14.74 ft on 08/05/2009
(7) 14.73 ft on 04/04/2018
(8) 14.61 ft on 04/21/2011
(9) 14.58 ft on 06/20/2021 (P)
(10) 14.40 ft on 03/20/2008
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 12.79 ft on 03/26/2023 (P)
(2) 12.86 ft on 03/08/2022 (P)
(3) 13.37 ft on 07/18/2021 (P)
(4) 14.58 ft on 06/20/2021 (P)
(5) 15.25 ft on 03/21/2020
(6) 12.96 ft on 01/13/2020 (P)
(7) 13.62 ft on 06/18/2019
(8) 11.93 ft on 04/21/2019
(9) 15.68 ft on 02/08/2019
(10) 12.18 ft on 01/24/2019
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) 2.54 ft on 09/14/2013
KML Image
Gauge LocationGauge Map Marker
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.
Flood Impacts & Photos Collapse
If you notice any errors in the below information, please contact our Webmaster
21 Diastrous flooding along the Flatrock River in the Columbus area affecting residential, business and commercial areas. US 31 and numeorous other state and local roads are closed. Flood waters more than 3 feet deep in some neighborhoods downstream of US 31. Approximate low steel for US Highway 31 bridge.
19.82 During June 2008...Flatrock River at US 31 rose about 10 feet in 10 hours to cause a devastating flood to portions of the City of Columbus. US Highway 31 flooded as did Noblitt Lagoons and other neighborhoods. Water was 1 to 2 feet deep in many areas. This rise took place from Noon EDT to 10 pm EDT. The river was near bankfull before this tsunami like flood struck.
19.5 Near recording flooding in progress along Flatrock River. CR 800 N remains open according to Columbus Response Plan.
19 Approximate river height of when the flood waters came over several locations along Flatrock Dr and flooded Noblitt Lagoons and adjacent areas in June 2008. Adjacent areas included Washington St. from 17th to 12th St. and Lawton Ave. and possibly parts of Franklin and Lafayette Ave. on the east side of Washington St. At least 4 homes had first floor flooding, with possibly 50 homes or more with basement and carport flooding.
18.98 US Highway 31 on the northwest side of Columbus closed by flood waters from the Flatrock River.
18.95 After the river crested during the June 2008 flood...water levels in the Noblitt Lagoons fell only several inches. It took 5 or 6 days with 6 or 8 industrial pumps for the Lagoons to return to normal levels.
16.45 During the January 2005 flood...river level was about 1 foot below the lowest berm along Flatrock Drive in the northeast end of Noblitt Lagoons near the junction of Washington St. and Riverside Dr. A few Noblitt Lagoons residents had wet basements.
15 Extensive flooding in progress along the Flatrock River. Portions of Riverside Drive north of US Highway 31 are flooded. According to the Columbus Response Plan...Indianapolis Road is flooded.
12 On April 6, 2011 after reaching 13 feet...Noblitt Park...CR 400N and Owens Bend Park remained flooded.
10.5 Approaching flood stage on the Flatrock River at Columbus. CR 550 N flooded according to Columbus Flood Response Plan.
10.4 After the Great Flood of June 2008...both north and south bound US Highway 31 were reopened after reaching a record stage of 19.83 feet.
9.8 At this level on April 20, 2011 CR 400N to Columbus Airport was closed because of high water. Reading at St. Paul was 6.00 feet.
9.51 After the Great Flood of June 2008...SR 252 from I-65 to SR 9 remained closed. The river reading at St. Paul was only 2.57 feet...but had crested earlier at 12.82 feet.
9.3 During the evening of April 25, 2011 CR 400N to the Columbus Airport was closed because of high water. Reading at St. Paul was 5.4 feet.
7.9 River at a dangerour level for small watercraft near low head dams. Man rescued in southern Shelby County on November 20, 2017 at Shelby CR 300E and Vandalia Raod when trapped at a low head dam.
(1) West View from US Highway 31 bridge.
(2) North View along US Highway 31 bridge.
(3) East View from US Highway 31 bridge.
(4) East View from US Highway 31 just south of bridge.
(5) South View along US Highway 31 bridge. Highway flooded in June 2008.

Other Real-time and/or Archive Data Sources:

Additional Information Collapse
Potential River Levels - Used to
Potential River Levels
Used to Estimate the Chance of Flooding and the Range of Possible River Levels
10 Day (HEFS) 10 Day (NAEFS) 10 Day (GEFS)
HEFS Ensemble NAEFS Ensemble GEFS Ensemble

Note: Use the official hydrograph at the top of this web page for river levels within the next 72 hours.

Click individual graphics to enlarge.

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
Indianapolis Weather Forecast Office
6900 West Hanna Ave.
Indianapolis, IN 46241
(317) 856-0360
Ask Questions/Webmaster
Page last modified: 2-Nov-2020 7:30 PM
Privacy Policy
About Us
Career Opportunities