Bayou Lafourche Sw Of Donaldsonville, LA

USGS Site No: 07380401 • Bayou Lafourche Sw • Ascension Parish, LA

Bayou Lafourche Sw Of Donaldsonville, LA on the Bayou Lafourche Sw is currently at 524 cfs (Very High — 96th percentile for this date) . Gage height: 7.90 ft.

Reading from

524
CFS Discharge
7.90
Gage Height (ft)
Very 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 132
25th Low threshold 172
50th (Median) Normal (median) 288
75th High threshold 421
95th Very High threshold 462

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.

569 285 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 527 8.07
May 27, 2026 527 7.95
May 26, 2026 504 7.74
May 25, 2026 441 7.58
May 24, 2026 378 7.68
May 23, 2026 423 7.77
May 22, 2026 488 7.97
May 21, 2026 503 8.06
May 20, 2026 509 7.89
May 19, 2026 508 7.87
May 18, 2026 508 7.89
May 17, 2026 508 7.91
May 16, 2026 501 7.94
May 15, 2026 497 7.96
Apr 20, 2026 504 7.85
Apr 19, 2026 502 7.84
Apr 18, 2026 500 7.84
Apr 17, 2026 498 7.84
Apr 16, 2026 515 7.83
Apr 15, 2026 518 7.81
Apr 14, 2026 515 7.79
Apr 13, 2026 512 7.77
Apr 12, 2026 509 7.76
Apr 11, 2026 503 7.75
Apr 10, 2026 499 7.74
Apr 9, 2026 497 7.73
Apr 8, 2026 495 7.74
Apr 7, 2026 495 7.81
Apr 6, 2026 498 7.95
Apr 5, 2026 505 8.20

Station Information

USGS Site No
07380401
State
LA
County
Ascension Parish
Coordinates
30.0966, -91.0059
Datum (ft)
-0.8
HUC Code
08070204
View on USGS NWIS →

Recent Extremes

Max discharge
552 cfs
Mar 22, 2026
Min discharge
243 cfs
Apr 23, 2025

Computed from the local daily-values archive.

Nearby Gauges

Related