Coosa River at State Line, AL/GA

Highest listed crest 19.86 ftFlood stage 16.5 ft4 crests since 2014

The Coosa River at State Line, AL/GA crested above flood stage 2 times among the 4 crests the National Weather Service lists from 2014 to 2017. The highest, 19.86 ft on December 30, 2015, was moderate flooding, 3.36 feet above flood stage. 4 other gauges on the Coosa River crested above flood stage within a week of it.

The gauge

Highest listed crest: 19.86 ft; December 30, 2015; 91,100 cubic feet per second
Flood stage: 16.5 ft; Major flooding from 22.5 ft
Crests at major: 0; 2 above flood stage
Most recent flood crest: December 30, 2015; 19.86 ft, moderate flooding
Location: Cherokee County; Alabama
Identifiers: NWS WTRA1; No USGS station

Flood stages

The thresholds the National Weather Service uses for this gauge today, and how many listed crests reached each.

Flood categories, Coosa River at State Line, AL/GA

Action stage	16.5	0	—	The level at which the NWS or its partners begin to take action
Flood stage (minor)	16.5	1	Apr 9, 2014	Minimal or no property damage, but possibly some public threat
Moderate flood stage	19.5	1	Dec 30, 2015	Some inundation of structures and roads near the stream
Major flood stage	22.5	0	—	Extensive inundation of structures and roads

Every listed crest

4 crests from 2014 to 2017. Filled: at or above flood stage. Hover a crest for its date and stage.

These are the crests the local National Weather Service office lists for the gauge: the highest on record and recent crests. Lesser floods between them may be missing, so counts by decade are a floor.
Categories use today's flood stages. Levees, dams and channel changes since a crest can make old and new stages not directly comparable.

Highest crests

Highest listed crests, Coosa River at State Line, AL/GA

1	Dec 30, 2015	19.86	+3.36	Moderate	91,100
2	Apr 9, 2014	16.93	+0.43	Minor	44,000
3	Jan 5, 2015	13.97	−2.53	Below flood stage	35,700
4	Jan 24, 2017	13.86	−2.64	Below flood stage	27,900

The worst floods along the Coosa River

For this gauge's highest crests, the other gauges on the Coosa River that crested above flood stage within a week.

December 30, 2015: 19.86 ft here, moderate flooding

Mayos Bar Lock and Dam near RomeGA · Dec 31, 2015 · 31.68 ft · Moderate
Weiss DamAL · Dec 31, 2015 · 568.37 ft · Minor
ChildersburgAL · Dec 26, 2015 · 405.49 ft · Minor
WetumpkaAL · Dec 26, 2015 · 45.52 ft · Minor

April 9, 2014: 16.93 ft here, minor flooding

ChildersburgAL · Apr 8, 2014 · 403.19 ft · Minor
Mayos Bar Lock and Dam near RomeGA · Apr 8, 2014 · 26.66 ft · Minor

Gauges on the Coosa River

Flood gauges sharing the river's name, linked within 80 miles of one another.

Flood gauges on the Coosa River

Childersburg	AL	402.0	412.86 ft, Feb 23, 1961	6
Gadsden	AL	511.0	525.10 ft, Apr 6, 1886	6
Logan Martin Dam	AL	467.0	475.31 ft, Apr 6, 1977	1
Mayos Bar Lock and Dam near Rome	GA	24.0	43.00 ft, Apr 1, 1886	11
State Line, AL/GA this gauge	AL	16.5	19.86 ft, Dec 30, 2015	0
Weiss Dam	AL	567.0	571.02 ft, Feb 25, 2019	0
Wetumpka	AL	45.0	57.90 ft, Apr 8, 1938	6

Other gauges in Cherokee County

Flood gauges in Cherokee County

Gaylesville	13.0	24.25 ft, Feb 17, 1990	6
Weiss Dam	567.0	571.02 ft, Feb 25, 2019	0
BLUE POND	13.0	16.98 ft, Jul 24, 1985	0
Ellisville	12.0	19.82 ft, Mar 4, 1979	0

Cherokee County: every hazard · River floods across the country · Alabama

NOAA National Water Prediction Service, gauge WTRA1, retrieved October 30, 2026. Stages in feet on the gauge's own datum, not elevation. Crests are as the National Weather Service lists them; preliminary values may be revised.