TornadoLiveMap

Tennessee River at Decatur — water level right now

Morgan County, Alabama · NWS gauge DECA1
Loading the latest reading…
–
current stage (ft)
 
9
minor flood stage
 
14.8
record crest
set 1867-03-15
–
flood status
official NWS category
Official NOAA forecast → USGS data → Full US flood map →

Flood stages at this gauge

Where the water stands right now against the four official thresholds:

action · 7.5
minor · 9
moderate · 12
major · 14
Flood stageLevel (ft)What it means
Major flood stage14extensive inundation and significant evacuations — a serious event
Moderate flood stage12some buildings and roads inundated; evacuations possible
Minor flood stage9low-lying roads and fields near the river start to flood
Action stage7.5water is approaching flood level — time to pay attention

Highest floods on record here

#Crest (ft)Datevs. minor flood stage
114.81867-03-15+5.8 above
210.292003-05-10+1.29 above
310.112019-02-24+1.11 above
49.971973-03-18+0.97 above
59.552015-12-29+0.55 above
69.342004-10-06+0.34 above
78.232003-02-180.77 below
88.092004-02-080.91 below
98.072001-08-130.93 below

Historic crests recorded at this gauge by the National Weather Service — the 12 highest on file.

Where this gauge is

The marker is this gauge; nearby gauges load live and are clickable.

Nearby river gauges

Limestone Creek (AL) near Athens (Capshaw) 13 mi away · loading… Indian Creek (AL) at Madison 17 mi away · loading… Big Nance Creek (AL) at Courtland 20 mi away · loading… Aldridge Creek (AL) at Sherwood Drive in Huntsville 24 mi away · loading… Tennessee River at Whitesburg 24 mi away · loading… Aldridge Creek (AL) at Toney Drive in Huntsville 25 mi away · loading…

Gauge details

NWS gauge IDDECA1
USGS site03577150
CountyMorgan
StateAlabama
NWS forecast officeHuntsville
River forecast centerLower Mississippi River Forecast Center
Coordinates34.611, -86.975
Time zoneCST6CDT
Turn Around, Don't Drown. Six inches of moving water can knock you off your feet and twelve inches can float a car. Never drive around barricades or into water of unknown depth — most flood deaths happen in vehicles.

Questions about Tennessee River at Decatur

Is Tennessee River at Decatur flooding right now?

The live reading at the top of this page answers that: the gauge is compared against its official NWS flood stages every 15 minutes. Minor flooding at this gauge begins at 9 ft. Blue means normal, yellow is action stage, orange minor, red moderate and dark red major flooding.

What is flood stage for Tennessee River at Decatur?

major flood stage 14 ft, moderate flood stage 12 ft, minor flood stage 9 ft, action stage 7.5 ft. These are official National Weather Service thresholds set specifically for this gauge, not generic values.

What is the record flood at Tennessee River at Decatur?

The highest crest on file at this gauge is 14.8 ft, reached on 1867-03-15 — that is 5.8 ft above minor flood stage. The full list of the highest crests is in the table on this page.

Where does this data come from?

From the NOAA National Water Prediction Service, the official U.S. river gauge network — a U.S. government work in the public domain. Live stage is refreshed every 15 minutes; flood thresholds and historic crests are refreshed monthly. For life-safety decisions follow NWS Huntsville and local emergency management.