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Cahaba River near Mountain Brook water level

River gauge, Cahaba River, Alabama, United States

Directions

Right now

Normal for mid-October

Water level

0.59ft Steady over the last 24 hours

Flow
29.3 cfs
Water temperature
63 °F
0 10 20 Minor floodstage 20.00 ft

History

History
0.51.01.5ftOct 12Oct 13Oct 15Oct 17Oct 180.51.01.5ftOct 12Oct 15Oct 18
12ftSep 19Sep 26Oct 3Oct 11Oct 1812ftSep 19Oct 3Oct 18
-0246ftOct 2025Jan 2026Apr 2026Jul 2026Oct 2026-0246ftOct 2025Apr 2026Oct 2026
-0246ftJanMarMayJulSepNov2026-0246ftJanAprJulOct2026

20252026

Water level Normal range (10–90 %) Minor flood stage

What this means

The gauge at Cahaba River near Mountain Brook reads 0.59 ft, a normal level for mid-October.

The median for mid-October is 0.69 ft, based on 42 years of readings, so the river stage is 0.10 ft below typical. It is 19.41 ft below the flood stage of 20.00 ft. On the same day last year the reading was 0.48 ft, a difference of +0.11 ft.

It has barely moved over the past 24 hours. Over the past 30 days it has moved between 0.50 ft and 1.71 ft.

Fall is often low-water season on rivers, until steadier rain returns. The water temperature at the gauge is 63 °F.

Compared with 42 years of daily readings for this time of year. How to read levels

Key numbers

Median for this date
0.69 ft0.10 ft below the median for this date
Normal for this date
0.42 ft – 1.29 ft8 years in 10 fall in this range (42 years of records)
Same day last year
0.48 ft+0.11 ft
Lowest and highest in 30 days
0.50 ft – 1.71 ft
Lowest and highest in 12 months
0.50 ft – 6.88 ft

What the stage means on the water

A normal level is usually prime time for floating and wade fishing, as long as the weather holds upstream.

The National Weather Service puts flood stage for this gauge at 20.00 ft, still 19.41 ft away.

What happens at each level

29.00 ft
River Run Drive bridge begins to flood.
26.00 ft
The lower parking lot at the Cahaba River Walk Park is flooded.
25.10 ft
Flood of record set on 05/08/2003.
24.00 ft
Old Overton at River Terrace Dr floods. Neighborhood residents could become trapped as water rises.
23.50 ft
Overton Road at North River Road begins to flood.
21.00 ft
The parking lot at Cahaba River Park (Old Overton) floods.
20.00 ft
The Cahaba River Walk Park is flooded between 20 and 21 feet.
9.00 ft
Water overflows the right bank at the Cahaba River Walk Park.
0.59 ft
Right now

Impact statements from the U.S. National Weather Service.

Weather at the gauge

No rain in the last 3 days.

18 Sun 70° 44° – Wind 11 mph
19 Mon 72° 41° – Wind 9 mph
20 Tue 74° 52° – Wind 5 mph
21 Wed 76° 55° – Wind 5 mph
22 Thu 77° 56° – Wind 5 mph
23 Fri 77° 54° – Wind 5 mph
24 Sat 74° 53° – Wind 9 mph

Forecast: Open-Meteo

Sunrise 06:54 AM Sunset 06:11 PM Daylight 11 hr, 17 min First quarter 51%

Map

Other gauges on the Cahaba River

Gauge Level Compared with normal 24 hours Distance
Cahaba River near TrussvilleRiver gauge, Cahaba River 0.50 ft No reference yet +0.01 ft 14 mi
Cahaba River at TrussvilleRiver gauge, Cahaba River 0.0 cfs Low ±0 12 mi
Cahaba River near Whites ChapelRiver gauge, Cahaba River 1.16 ft Low −0.01 ft 13 mi
Cahaba River near Cahaba HeightsRiver gauge, Cahaba River 1.39 ft Normal +0.01 ft 4.8 mi
Cahaba River near HooverRiver gauge, Cahaba River 2.61 ft Low ±0 9 mi
Cahaba River near ActonRiver gauge, Cahaba River 1.70 ft Very low −0.04 ft 10 mi
Cahaba River near HelenaRiver gauge, Cahaba River 1.43 ft Normal −0.01 ft 17 mi
Cahaba River near West BloctonRiver gauge, Cahaba River 2.10 ft Below flood stage +0.02 ft 33 mi
Cahaba River at CentrevilleRiver gauge, Cahaba River 0.49 ft Low −0.06 ft 45 mi
Cahaba River near SuttleRiver gauge, Cahaba River 3.27 ft Low −0.15 ft 72 mi
Cahaba River near Marion JunctionRiver gauge, Cahaba River 2.03 ft Normal −0.19 ft 77 mi

Nearby gauges

Gauge Level Compared with normal 24 hours Distance
Shades Creek at Elder St near SpringdaleRiver gauge, Shades Creek 4.0 cfs Normal +0.5 cfs 2.7 mi
Little Cahaba River at Cah Bea Road near Cahaba HtsRiver gauge, Little Cahaba River 1.10 ft Low −0.01 ft 3.0 mi
TRIB TO VILLAGE CREEK AT 50th ST IN BIRMINGHAMRiver gauge 0.43 ft Very low +0.02 ft 5.4 mi
Little Cahaba River near Jefferson ParkRiver gauge, Little Cahaba River 0.21 ft Low −0.01 ft 5.8 mi
Shades Creek near HomewoodRiver gauge, Shades Creek 3.46 ft Normal +0.02 ft 6 mi
Village Creek at 86th St North at RoebuckRiver gauge, Village Creek 1.16 ft Normal ±0 7 mi
Valley Creek at Center St at BirminghamRiver gauge, Valley Creek 1.52 ft Below flood stage −0.01 ft 7 mi
Valley Creek at Ave W near EnsleyRiver gauge, Valley Creek 3.89 ft Below flood stage ±0 9 mi

Questions and answers

Is the Cahaba River near Mountain Brook higher than last year?

Yes, it is 0.11 ft higher than on the same day last year, when the reading was 0.48 ft.

What is flood stage for the Cahaba River near Mountain Brook?

The official flood stage is 20.00 ft. The level is currently 19.41 ft below it.

What is a normal level for the Cahaba River near Mountain Brook in mid-October?

The median for mid-October is 0.69 ft. In 8 years out of 10 the reading falls between 0.42 ft and 1.29 ft, based on 42 years of records.

Is gage height the same as water depth?

No. Gage height is measured from a fixed reference point chosen by the agency, so a reading of 10 ft does not mean the river is 10 ft deep.

What is the water level of Cahaba River near Mountain Brook today?

On Oct 18, 2026, 12:15 PM CDT, the water level was 0.59 ft. Steady over the last 24 hours.

Is Cahaba River near Mountain Brook rising or falling?

Steady over the last 24 hours. Down 0.80 ft over the last 7 days.

Is the level of Cahaba River near Mountain Brook normal?

Normal for mid-October. Compared with 42 years of daily readings for this time of year.

For specialists

Station codes, datum, parameters, data quality and downloads
Operator
U.S. Geological Survey
Station code
usgs:02423380 (Agency page)
Coordinates
33.48177, -86.71277 (WGS84)
Vertical datum
NAVD88
Update interval
every 15 minutes
Licence
Public domain. Data: U.S. Geological Survey (USGS), provisional data subject to revision

Published series

ParameterLast valueTime (UTC)Quality
Water level 0.59 ft 2026-10-18 17:15 Provisional
Flow 29.3 cfs 2026-10-18 17:15 Provisional
Water temperature 63 °F 2026-10-18 17:00 Provisional

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How to cite

U.S. Geological Survey: Cahaba River near Mountain Brook (usgs:02423380). Accessed October 18, 2026 via Nivelmap, https://nivelmap.com/en/united-states/alabama/cahaba-river-near-mountain-brook

How we check values

Each reading is stored as published. We hold back values that jump faster than physically plausible and show the measurement time with every value.