Cahaba River Near Cahaba Heights AL

USGS Site No: 02423425Cahaba River • Shelby County, AL

Cahaba River Near Cahaba Heights AL on the Cahaba River is currently at 176 cfs (Normal — 71th percentile for this date) . Gage height: 1.90 ft.

Reading from

176
CFS Discharge
1.90
Gage Height (ft)
Normal
Flow Condition
Normal
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 4
25th Low threshold 8
50th (Median) Normal (median) 69
75th High threshold 198 Today: 176 cfs
95th Very High threshold 609

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.

4.9k 2.5k 0 cfs Apr 5 May 28
10th–95th historical Day-of-year median Recent discharge

30-Day Flow History

Date Discharge (CFS) Gage Ht (ft)
May 28, 2026 158 1.83
May 27, 2026 143 1.82
May 26, 2026 209 1.97
May 25, 2026 192 1.93
May 24, 2026 119 1.75
May 23, 2026 38 1.53
May 22, 2026 16 1.40
May 21, 2026 9 1.32
May 20, 2026 8 1.32
May 19, 2026 13 1.38
May 18, 2026 9 1.33
May 17, 2026 7 1.30
May 16, 2026 11 1.35
May 15, 2026 11 1.36
Apr 20, 2026 12 1.37
Apr 19, 2026 14 1.38
Apr 18, 2026 14 1.39
Apr 17, 2026 13 1.37
Apr 16, 2026 17 1.41
Apr 15, 2026 12 1.37
Apr 14, 2026 14 1.39
Apr 13, 2026 11 1.35
Apr 12, 2026 18 1.42
Apr 11, 2026 12 1.37
Apr 10, 2026 14 1.39
Apr 9, 2026 23 1.45
Apr 8, 2026 75 1.66
Apr 7, 2026 115 1.76
Apr 6, 2026 194 1.93
Apr 5, 2026 263 2.08

Station Information

USGS Site No
02423425
State
AL
County
Shelby County
Coordinates
33.4157, -86.7397
Drainage Area
201 mi²
Datum (ft)
405.2
HUC Code
03150202
View on USGS NWIS →

Flood Stage Thresholds

Action Stage
14.0 ft
Flood Stage
14.0 ft
Moderate Flood
22.0 ft
Major Flood
24.0 ft

Currently 12.10 ft below flood stage.

Recent Extremes

Max discharge
3,090 cfs
May 12, 2025
Min discharge
5 cfs
Oct 14, 2025
Days at flood stage
0

Computed from the local daily-values archive.

Nearby Gauges