Lake Pontchartrain at Mandeville water level
Lake, Lake Pontchartrain, Louisiana, United States
Right now
Latest reading
Water level
History
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.
Forecast: Open-Meteo
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
| Parameter | Last value | Time (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.
Readings are provisional, can be delayed or wrong and are not a flood warning. Read the disclaimer