How high is the Cahaba River Near Helena AL right now?

The Cahaba River Near Helena AL is currently flowing at 345 cubic feet per second with a gage height of 2.18 feet, based on the most recent USGS instantaneous reading.

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

Current flow is classified as normal for June 11. Today's discharge is at the 66th percentile compared to the long-term historical record at this gauge.

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

The long-term median discharge for this date is 154 cfs based on USGS daily statistics. The 10th–95th percentile range historically is 56 to 1,280 cfs.

Where is the Cahaba River Near Helena AL stream gauge located?

The Cahaba River Near Helena AL stream gauge is operated by the USGS in Shelby County, AL on the Cahaba River. USGS site number 02423555 (coordinates 33.2846, -86.8825).

Cahaba River Near Helena AL

USGS Site No: 02423555 • Cahaba River • Shelby County, AL

Cahaba River Near Helena AL on the Cahaba River is currently at 345 cfs (Normal — 66th percentile for this date) . Gage height: 2.18 ft.

Reading from 1 week ago

↑ Upstream on Cahaba River

Cahaba River Near Acton AL

Downstream on Cahaba River ↓

Cahaba River Near West Blocton AL

345

CFS Discharge

2.18

Gage Height (ft)

Normal

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	56
25th	Low threshold	72
50th (Median)	Normal (median)	154
75th	High threshold	450	Today: 345 cfs
95th	Very High threshold	1,280

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	241	1.94
May 27, 2026	320	2.12
May 26, 2026	326	2.14
May 25, 2026	511	2.46
May 24, 2026	535	2.42
May 23, 2026	180	1.78
May 22, 2026	190	1.80
May 21, 2026	64	1.45
May 20, 2026	61	1.44
May 19, 2026	102	1.55
May 18, 2026	53	1.41
May 17, 2026	57	1.43
May 16, 2026	64	1.45
May 15, 2026	81	1.50
Apr 20, 2026	69	1.46
Apr 19, 2026	89	1.52
Apr 18, 2026	63	1.44
Apr 17, 2026	68	1.46
Apr 16, 2026	66	1.46
Apr 15, 2026	72	1.47
Apr 14, 2026	78	1.49
Apr 13, 2026	84	1.50
Apr 12, 2026	81	1.50
Apr 11, 2026	86	1.51
Apr 10, 2026	85	1.51
Apr 9, 2026	123	1.62
Apr 8, 2026	171	1.76
Apr 7, 2026	227	1.91
Apr 6, 2026	337	2.16
Apr 5, 2026	510	2.42

Station Information

USGS Site No: 02423555
State: AL
County: Shelby County
Coordinates: 33.2846, -86.8825
Drainage Area: 335 mi²
Datum (ft): 357.0
HUC Code: 03150202

View on USGS NWIS →

Recent Extremes

Max discharge: 5,550 cfs

May 12, 2025
Min discharge: 24 cfs

Oct 5, 2025

Computed from the local daily-values archive.

Nearby Gauges

Cahaba Valley Creek at Cross Creek Road at Pelham, Al.
4.8 mi · 16 cfs

Normal
Shades Creek Near Greenwood AL
4.8 mi · 115 cfs

High
Cahaba River Near Acton AL
6.8 mi · 244 cfs

High
Cahaba River Near Hoover, AL
8.2 mi · 187 cfs

Normal
Cahaba Valley Creek at Indian Trail Road near Indian Sprs
8.2 mi · 8 cfs

Normal