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This probabilistic forecast is issued by the Southeast 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 Conasauga River at Tilton are issued as needed during times of high water, but are not routinely available.
Return to Area Map

Zoom Level:16
Flood Categories (in feet)
Major Flood Stage: 28
Moderate Flood Stage: 24
Flood Stage: 18
Action Stage: 15
Low Stage (in feet): 0

Historic Crests
(1) 34.00 ft on 04/01/1886
(2) 30.20 ft on 03/30/1951
(3) 29.89 ft on 02/17/1990
(4) 28.42 ft on 03/29/1994
(5) 28.13 ft on 03/18/1973
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 18.11 ft on 02/06/2022
(2) 20.02 ft on 09/03/2021
(3) 20.63 ft on 04/03/2021
(4) 21.86 ft on 03/28/2021
(5) 21.15 ft on 03/20/2021
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) 1.68 ft on 09/05/2007
KML Image
Gauge LocationGauge Map Marker
 Disclaimer
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
29 Major flooding continues with widespread inundation flooding in the woodlands...fields and pastures along the river upstream and downstream from the Bracketts Ridge Road bridge. The flood waters will be near the foundation of an industrial minerals factory near the gage. The water level reaches the floor of the USGS concrete structure gage house on the left bank and downstream from the bridge.
28 Major flooding begins. Widespread inundation flooding occurs in the woodlands...fields and pastures along the river upstream and downstream from the Bracketts Ridge Road bridge. The flood waters will approach an industrial minerals factory near the gage.
26 Significant flooding expands much further into the woodlands...fields and pastures along the river upstream and downstream from the Brackett Ridge Road bridge.
24 Moderate flooding begins. Significant flooding expands into the woodlands...fields and pastures along the river upstream and downstream from the Brackett Ridge Road bridge.
21 Minor flooding continues to expand further into the woodlands...fields and pastures along the river upstream and downstream from the gage on the Brackett Ridge Road bridge.
18 Flood stage is reached. Minor flooding begins in the woodlands...fields and pastures along the river upstream and downstream from the gage on the Brackett Ridge Road bridge.
15 Bankfull conditions are reached along the river upstream and downstream from the gage on the Brackett Ridge Road bridge.

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) 7 Day (NAEFS) 7 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.

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
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