How high is the Intracoastal Waterway Southwest Of Pierre Part, LA right now?

The Intracoastal Waterway Southwest Of Pierre Part, LA is currently flowing at 3,070 cubic feet per second with a gage height of 5.07 feet, based on the most recent USGS instantaneous reading.

Is the flow on the Intracoastal Waterway Southwest Of Pierre Part, LA normal for this time of year?

Current flow is classified as very high for June 11. Today's discharge is at the 32th percentile compared to the long-term historical record at this gauge.

What is the historical median flow for the Intracoastal Waterway Southwest Of Pierre Part, LA on June 11?

The long-term median discharge for this date is 11,800 cfs based on USGS daily statistics. The 10th–95th percentile range historically is 0 to unavailable cfs.

Where is the Intracoastal Waterway Southwest Of Pierre Part, LA stream gauge located?

The Intracoastal Waterway Southwest Of Pierre Part, LA stream gauge is operated by the USGS in St. Martin Parish, LA. USGS site number 07381588 (coordinates 29.9224, -91.2394).

Intracoastal Waterway Southwest Of Pierre Part, LA

USGS Site No: 07381588 • St. Martin Parish, LA

Intracoastal Waterway Southwest Of Pierre Part, LA is currently at 3,070 cfs (Very High — 32th percentile for this date) . Gage height: 5.07 ft.

Reading from 1 week ago

3,070

CFS Discharge

5.07

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	0
25th	Low threshold	0
50th (Median)	Normal (median)	11,800	Today: 3,070 cfs
75th	High threshold	0
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	—	5.13
May 27, 2026	—	5.06
May 26, 2026	—	5.08
May 25, 2026	—	5.16
May 24, 2026	—	5.25
May 23, 2026	—	5.30
May 22, 2026	—	5.32
May 21, 2026	—	5.40
May 20, 2026	—	5.44
May 19, 2026	—	5.43
May 18, 2026	—	5.46
May 17, 2026	—	5.46
May 16, 2026	—	5.44
May 15, 2026	—	5.43
Apr 20, 2026	—	4.54
Apr 19, 2026	—	4.60
Apr 18, 2026	—	4.73
Apr 17, 2026	—	4.66
Apr 16, 2026	—	4.61
Apr 15, 2026	—	4.54
Apr 14, 2026	—	4.45
Apr 13, 2026	—	4.44
Apr 12, 2026	—	4.45
Apr 11, 2026	—	4.48
Apr 10, 2026	—	4.47
Apr 9, 2026	—	4.44
Apr 8, 2026	—	4.43
Apr 7, 2026	—	4.44
Apr 6, 2026	—	4.59
Apr 5, 2026	—	4.88

Station Information

USGS Site No: 07381588
State: LA
County: St. Martin Parish
Coordinates: 29.9224, -91.2394
Datum (ft): 1.8
HUC Code: 08080101

View on USGS NWIS →

Nearby Gauges

Belle River at Highway 70 Near Pierre Part, LA
1.7 mi · 927 cfs

Normal
Lower Atchafalaya River at Morgan City, LA
15.9 mi · 104,000 cfs

Normal
Lower Grand River at Bayou Sorrel, LA
17.0 mi · 457 cfs

Low
Wax Lake Outlet at Calumet, LA
17.5 mi · 112,000 cfs

Normal
Bayou Lafourche Sw Of Donaldsonville, LA
18.4 mi · 524 cfs

Very High