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Bayou Liberty near Slidell water level

River gauge, Bayou Liberty, Louisiana, United States

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Right now

Normal for late October

Water level

1.70ft Up 0.07 ft over the last 24 hours

0 5 10 Highest onrecord 11.54 ft Minor floodstage 7.00 ft

History

History
12ftOct 16Oct 17Oct 18Oct 20Oct 2112ftOct 16Oct 18Oct 21
246ftSep 22Sep 29Oct 6Oct 14Oct 21Minor flood stage246ftSep 22Oct 6Oct 21Minor flood stage
-05ftOct 2025Jan 2026Apr 2026Jul 2026Oct 2026Minor flood stage-05ftOct 2025Apr 2026Oct 2026Minor flood stage
-05ftJanMarMayJulSepNov2026-05ftJanAprJulOct2026

20252026

Water level Normal range (10–90 %) Minor flood stage

What this means

The gauge at Bayou Liberty near Slidell reads 1.70 ft, a normal level for late October.

That puts it 0.36 ft above the median of 1.34 ft for late October, based on 23 years of readings. It is 5.30 ft below the flood stage of 7.00 ft. A year ago it stood at 2.12 ft (−0.42 ft).

The water is rising: up 0.07 ft over the past 24 hours. There is still 5.30 ft of room before flood stage. Over the past 30 days it has moved between 0.96 ft and 3.16 ft.

Fall is often low-water season on rivers, until steadier rain returns.

Compared with 23 years of daily readings for this time of year. How to read levels

Key numbers

Median for this date
1.34 ft0.36 ft above the median for this date
Normal for this date
0.66 ft – 2.42 ft8 years in 10 fall in this range (23 years of records)
Same day last year
2.12 ft−0.42 ft
Lowest and highest in 30 days
0.96 ft – 3.16 ft
Lowest and highest in 12 months
−0.73 ft – 6.79 ft
Highest on record
11.54 ftAugust 29, 2005

What the stage means on the water

A normal level is usually prime time for floating and wade fishing, as long as the weather holds upstream.

The National Weather Service puts flood stage for this gauge at 7.00 ft, still 5.30 ft away.

What happens at each level

13.00 ft
Travel will be greatly impacted with many roads impassable. Water will enter several structures.
11.00 ft
Numerous structures along Airport Road and Dixie Ranch Road are impacted witha few roads impassable.
10.00 ft
Minor flooding occurs around Dixie Ranch Road, Airport Road, and arouund Meadows Blvd.
8.00 ft
Low-lying areas are threatened at Victoria Way and along Airport Road near Interstate 12.
7.00 ft
Tammany Trace will be threatened by flood waters.
6.00 ft
Several roads will be impacted and travel will be impaired.
3.50 ft
In storm surge events or strong southeast winds, water will pool near St. Genevieve Church and LA Hwy 433 may be impassable.
1.70 ft
Right now

Impact statements from the U.S. National Weather Service.

Highest crests on record

RankLevelDate
111.54 ftAugust 29, 2005
29.02 ftAugust 30, 2021
38.39 ftAugust 30, 2012
47.33 ftJuly 1, 2003
57.13 ftSeptember 26, 2002
67.08 ftJanuary 7, 1998
77.01 ftMay 31, 2007
86.33 ftOctober 22, 2007
96.01 ftDecember 8, 2009
105.94 ftMay 13, 2004

Weather at the gauge

No rain in the last 3 days.

20 Tue 77° 53° – Wind 8 mph
21 Wed 79° 49° – Wind 7 mph
22 Thu 82° 56° – Wind 6 mph
23 Fri 82° 58° – Wind 10 mph
24 Sat 79° 56° – Wind 12 mph
25 Sun 81° 55° – Wind 9 mph
26 Mon 81° 56° – Wind 12 mph

Forecast: Open-Meteo

Sunrise 07:06 AM Sunset 06:23 PM Daylight 11 hr, 17 min Waxing gibbous 76%

Map

Nearby gauges

Gauge Level Compared with normal 24 hours Distance
Pearl River at I-10 near SlidellRiver gauge, Pearl River 2.62 ft Very low −0.03 ft 8 mi
Pearl River at Pearl RiverRiver gauge, Pearl River 4.90 ft Low −0.03 ft 8 mi
Rigolets at Hwy 90 near SlidellTidal gauge, Rigolets 2.20 ft Normal −0.03 ft 11 mi
Pearl River Navigation Canal Lock and Dam No. 1River gauge 39.30 ft Highest on record +23.34 ft 11 mi
East Pearl River at I-59 near NicholsonRiver gauge, East Pearl River 9.42 ft Normal ±0 14 mi
Abita River north of Abita SpringsRiver gauge 6.90 ft Low −0.01 ft 18 mi
L Pontchartrain at Crossover 4 near MandevilleLake, L Pontchartrain 0.81 ft Normal −0.05 ft 19 mi
Bogue Falaya River at Boston St. at CovingtonRiver gauge, Bogue Falaya River 1.63 ft Normal −0.02 ft 20 mi

Questions and answers

How does Bayou Liberty near Slidell compare with last year?

It is 0.42 ft lower than on the same day last year, when the reading was 2.12 ft.

What is flood stage for Bayou Liberty near Slidell?

The official flood stage is 7.00 ft. The level is currently 5.30 ft below it.

What is a normal level for Bayou Liberty near Slidell in late October?

The median for late October is 1.34 ft. In 8 years out of 10 the reading falls between 0.66 ft and 2.42 ft, based on 23 years of records.

Is gage height the same as water depth?

No. Gage height is measured from a fixed reference point chosen by the agency, so a reading of 10 ft does not mean the river is 10 ft deep.

What is the water level of Bayou Liberty near Slidell today?

On Oct 21, 2026, 03:45 AM CDT, the water level was 1.70 ft. Up 0.07 ft over the last 24 hours.

Is Bayou Liberty near Slidell rising or falling?

Up 0.07 ft over the last 24 hours. Up 0.16 ft over the last 7 days.

Is the level of Bayou Liberty near Slidell normal?

Normal for late October. Compared with 23 years of daily readings for this time of year.

For specialists

Station codes, datum, parameters, data quality and downloads
Operator
U.S. Geological Survey
Station code
usgs:07374581 (Agency page)
Coordinates
30.30131, -89.83062 (WGS84)
Vertical datum
NAVD88
Update interval
every 15 minutes
Licence
Public domain. Data: U.S. Geological Survey (USGS), provisional data subject to revision

Published series

ParameterLast valueTime (UTC)Quality
Water level 1.70 ft 2026-10-21 08:45 Provisional

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How to cite

U.S. Geological Survey: Bayou Liberty near Slidell (usgs:07374581). Accessed October 21, 2026 via Nivelmap, https://nivelmap.com/en/united-states/louisiana/bayou-liberty-near-slidell

How we check values

Each reading is stored as published. We hold back values that jump faster than physically plausible and show the measurement time with every value.