How high is the Cahaba River Near Mountain Brook AL right now?

The Cahaba River Near Mountain Brook AL is currently flowing at 178 cubic feet per second with a gage height of 1.29 feet, based on the most recent USGS instantaneous reading.

Is the flow on the Cahaba River Near Mountain Brook AL normal for this time of year?

Current flow is classified as high for June 11. Today's discharge is at the 76th percentile compared to the long-term historical record at this gauge.

What is the historical median flow for the Cahaba River Near Mountain Brook AL on June 11?

The long-term median discharge for this date is 58 cfs based on USGS daily statistics. The 10th–95th percentile range historically is 20 to 418 cfs.

Where is the Cahaba River Near Mountain Brook AL stream gauge located?

The Cahaba River Near Mountain Brook AL stream gauge is operated by the USGS in Jefferson County, AL on the Cahaba River. USGS site number 02423380 (coordinates 33.4818, -86.7128).

Cahaba River Near Mountain Brook AL

USGS Site No: 02423380 • Cahaba River • Jefferson County, AL

Cahaba River Near Mountain Brook AL on the Cahaba River is currently at 178 cfs (High — 76th percentile for this date) . Gage height: 1.29 ft.

Reading from 1 week ago

↑ Upstream on Cahaba River

Cahaba River Near Whites Chapel AL

Downstream on Cahaba River ↓

Cahaba River Near Cahaba Heights AL

178

CFS Discharge

1.29

Gage Height (ft)

High

Flow Condition

N/A

Flood Status

Historical Percentile Comparison

Today's discharge compared to the long-term record for June 11 at this station. Percentile rank shows what fraction of historical years had lower flow on this date.

Percentile	Label	CFS Threshold	Today's Flow
10th	Very Low threshold	20
25th	Low threshold	33
50th (Median)	Normal (median)	58
75th	High threshold	170
95th	Very High threshold	418	Today: 178 cfs

30-Day Hydrograph

Recent discharge plotted against the historical 10th–95th percentile envelope for the same calendar days. Source: USGS daily values + long-term statistics.

10th–95th historical Day-of-year median Recent discharge

30-Day Flow History

Date	Discharge (CFS)	Gage Ht (ft)
May 28, 2026	245	1.38
May 27, 2026	146	1.19
May 26, 2026	258	1.49
May 25, 2026	196	1.33
May 24, 2026	131	1.11
May 23, 2026	81	0.93
May 22, 2026	65	0.85
May 21, 2026	43	0.72
May 20, 2026	43	0.71
May 19, 2026	42	0.71
May 18, 2026	41	0.70
May 17, 2026	41	0.70
May 16, 2026	42	0.71
May 15, 2026	45	0.73
Apr 20, 2026	55	0.79
Apr 19, 2026	52	0.78
Apr 18, 2026	49	0.76
Apr 17, 2026	49	0.76
Apr 16, 2026	51	0.77
Apr 15, 2026	54	0.79
Apr 14, 2026	57	0.81
Apr 13, 2026	62	0.84
Apr 12, 2026	66	0.86
Apr 11, 2026	68	0.87
Apr 10, 2026	75	0.91
Apr 9, 2026	83	0.94
Apr 8, 2026	93	0.99
Apr 7, 2026	111	1.06
Apr 6, 2026	164	1.25
Apr 5, 2026	226	1.41

Station Information

USGS Site No: 02423380
State: AL
County: Jefferson County
Coordinates: 33.4818, -86.7128
Drainage Area: 140 mi²
Datum (ft): 444.0
HUC Code: 03150202

View on USGS NWIS →

Recent Extremes

Max discharge: 3,670 cfs

Feb 27, 2026
Min discharge: 16 cfs

Oct 18, 2025

Computed from the local daily-values archive.

Nearby Gauges

Shades Creek at Elder St Near Springdale AL
2.7 mi · 17 cfs

Normal
Little Cahaba River at Cah Bea Road near Cahaba Hts AL
3.0 mi · 20 cfs

Very Low
Cahaba River Near Cahaba Heights AL
4.8 mi · 176 cfs

Normal
Tributary To Village Creek at 50th St IN Birmingham
5.4 mi · 5 cfs

Normal
Little Cahaba River near Jefferson Park, Al.
5.8 mi · 31 cfs

High