How high is the Bayou Lacassine Near Lake Arthur, LA right now?

The Bayou Lacassine Near Lake Arthur, LA is currently flowing at 2,300 cubic feet per second with a gage height of 11.59 feet, based on the most recent USGS instantaneous reading.

Is the flow on the Bayou Lacassine Near Lake Arthur, LA normal for this time of year?

Current flow is classified as very high for June 11. Today's discharge is at the 95th percentile compared to the long-term historical record at this gauge.

What is the historical median flow for the Bayou Lacassine Near Lake Arthur, LA on June 11?

The long-term median discharge for this date is 210 cfs based on USGS daily statistics. The 10th–95th percentile range historically is -48 to unavailable cfs.

Where is the Bayou Lacassine Near Lake Arthur, LA stream gauge located?

The Bayou Lacassine Near Lake Arthur, LA stream gauge is operated by the USGS in Jefferson Davis Parish, LA on the Bayou Lacassine. USGS site number 08012470 (coordinates 30.0700, -92.8789).

Bayou Lacassine Near Lake Arthur, LA

USGS Site No: 08012470 • Bayou Lacassine • Jefferson Davis Parish, LA

Bayou Lacassine Near Lake Arthur, LA on the Bayou Lacassine is currently at 2,300 cfs (Very High — 95th percentile for this date) . Gage height: 11.59 ft.

Reading from 1 week ago

2,300

CFS Discharge

11.59

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
10th	Very Low threshold	-48
25th	Low threshold	-2
50th (Median)	Normal (median)	210
75th	High threshold	301
95th	Very High threshold	0

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	—	11.61
May 27, 2026	—	11.67
May 26, 2026	—	11.60
May 25, 2026	—	11.56
May 24, 2026	—	11.57
May 23, 2026	—	11.44
May 22, 2026	—	11.32
May 21, 2026	—	11.37
May 20, 2026	—	11.40
May 19, 2026	—	11.44
May 18, 2026	—	11.50
May 17, 2026	—	11.46
May 16, 2026	—	11.36
May 15, 2026	—	11.32
Apr 20, 2026	—	10.25
Apr 19, 2026	—	10.03
Apr 18, 2026	—	10.26
Apr 17, 2026	—	10.37
Apr 16, 2026	—	10.33
Apr 15, 2026	—	10.41
Apr 14, 2026	—	10.41
Apr 13, 2026	—	10.45
Apr 12, 2026	—	10.50
Apr 11, 2026	—	10.41
Apr 10, 2026	—	10.39
Apr 9, 2026	—	10.41
Apr 8, 2026	—	10.33
Apr 7, 2026	—	10.27
Apr 6, 2026	—	10.14
Apr 5, 2026	—	10.13

Station Information

USGS Site No: 08012470
State: LA
County: Jefferson Davis Parish
Coordinates: 30.0700, -92.8789
Drainage Area: 299 mi²
Datum (ft): -10.1
HUC Code: 08080202

View on USGS NWIS →

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