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Lake Pontchartrain at Mandeville water level

Lake, Lake Pontchartrain, Louisiana, United States

Directions

Right now

Latest reading

Water level

1.27ft Up 0.33 ft over the last 24 hours

0 1 3 4

History

History
1.01.5ftOct 16Oct 16Oct 17Oct 18Oct 191.01.5ftOct 16Oct 17Oct 19
Water level

What this means

The latest lake level at Lake Pontchartrain at Mandeville is 1.27 ft. The agency publishes no normal range or warning level for this lake yet, so there is nothing to judge the number against.

The water is rising: up 0.33 ft over the past 24 hours. Over the past 30 days it has moved between 0.19 ft and 1.77 ft.

The agency publishes no normal range for this gauge yet, so we show the trend only. How to read levels

Swimming and boating at Lake Pontchartrain at Mandeville

Without a published normal range, the trend is the most useful guide, and right now the water is rising.

If you swim, pick a spot with an easy way out, and remember that drop-offs move as the level changes.

Weather at the gauge

No rain in the last 3 days.

18 Sun 74° 50° – Wind 12 mph
19 Mon 76° 52° – Wind 10 mph
20 Tue 79° 53° – Wind 8 mph
21 Wed 83° 53° – Wind 7 mph
22 Thu 84° 56° – Wind 6 mph
23 Fri 85° 56° – Wind 6 mph
24 Sat 82° 58° – Wind 8 mph

Forecast: Open-Meteo

Sunrise 07:06 AM Sunset 06:26 PM Daylight 11 hr, 20 min First quarter 58%

Map

Nearby gauges

Gauge Level Compared with normal 24 hours Distance
Tchefuncte River at MadisonvilleRiver gauge, Tchefuncte River 1.23 ft Normal +0.30 ft 4.8 mi
Bogue Falaya River at Boston St. at CovingtonRiver gauge, Bogue Falaya River 1.71 ft Normal +0.27 ft 8 mi
Abita River north of Abita SpringsRiver gauge 6.92 ft Low ±0 9 mi
Bogue Falaya at CovingtonRiver gauge, Bogue Falaya 3.87 ft Normal ±0 9 mi
Tchefuncte River near CovingtonRiver gauge, Tchefuncte River 9.08 ft Very low −0.01 ft 10 mi
L Pontchartrain at Crossover 4 near MandevilleLake, L Pontchartrain 0.89 ft Normal +0.25 ft 11 mi
Bogue Falaya River near Camp CovingtonRiver gauge, Bogue Falaya River 34.55 ft Normal −0.01 ft 14 mi
Tangipahoa River near PonchatoulaRiver gauge, Tangipahoa River 5.10 ft Normal +0.23 ft 16 mi

Questions and answers

What is the water level of Lake Pontchartrain at Mandeville today?

On Oct 19, 2026, 04:30 AM CDT, the water level was 1.27 ft. Up 0.33 ft over the last 24 hours.

Is Lake Pontchartrain at Mandeville rising or falling?

Up 0.33 ft over the last 24 hours.

Is the level of Lake Pontchartrain at Mandeville normal?

The agency publishes no normal range for this gauge yet, so we show the trend only.

How often is this data updated?

The U.S. Geological Survey publishes a new reading every 15 minutes. This page refreshes within minutes of each update.

Where does this data come from?

The values come directly from the U.S. Geological Survey, the official operator of this gauge, and are in the public domain. We do not estimate or model live values.

For specialists

Station codes, datum, parameters, data quality and downloads
Operator
U.S. Geological Survey
Station code
usgs:302144090052401 (Agency page)
Coordinates
30.36252, -90.09022 (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 1.27 ft 2026-10-19 09:30 Provisional

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How to cite

U.S. Geological Survey: Lake Pontchartrain at Mandeville (usgs:302144090052401). Accessed October 19, 2026 via Nivelmap, https://nivelmap.com/en/united-states/louisiana/lake-pontchartrain-at-mandeville

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.