Lake Pontchartrain Water Level History
Thirty-day lake-level chart, recent highs and lows, net change and daily summaries from the matched USGS station.
Lake Pontchartrain water-level chart
Source: U.S. Geological Survey monitoring station ↗. Recent measurements may be provisional.
What has Lake Pontchartrain been doing?
Across the available 30-day series, Lake Pontchartrain is rising overall. The measured range runs from 0.07 ft to 2.15 ft, with a net change of +1.13 ft.
Lake levels can respond to rainfall, watershed inflow, dam and hydropower operations, seasonal target elevations, evaporation and downstream release requirements. This page reports what the matched sensor measured; it does not infer why an operator changed a reservoir.
Recent daily levels
| Date | Low | Average | High |
|---|---|---|---|
| Oct 8 | 1.43 ft | 1.65 ft | 1.94 ft |
| Oct 7 | 1.36 ft | 1.70 ft | 2.04 ft |
| Oct 6 | 1.22 ft | 1.52 ft | 1.85 ft |
| Oct 5 | 1.36 ft | 1.62 ft | 1.88 ft |
| Oct 4 | 1.51 ft | 1.80 ft | 2.14 ft |
| Oct 3 | 1.32 ft | 1.70 ft | 2.15 ft |
| Oct 2 | 1.17 ft | 1.57 ft | 1.91 ft |
| Oct 1 | 0.90 ft | 1.40 ft | 1.84 ft |
| Sep 30 | 0.50 ft | 0.99 ft | 1.32 ft |
| Sep 29 | 0.34 ft | 0.76 ft | 1.02 ft |
| Sep 28 | 0.29 ft | 0.49 ft | 0.69 ft |
| Sep 27 | 0.25 ft | 0.58 ft | 0.87 ft |
| Sep 26 | 0.72 ft | 1.02 ft | 1.38 ft |
| Sep 25 | 0.65 ft | 0.99 ft | 1.40 ft |
| Sep 24 | 0.51 ft | 0.79 ft | 1.04 ft |
| Sep 23 | 0.55 ft | 0.80 ft | 1.08 ft |
| Sep 22 | 0.15 ft | 0.76 ft | 1.11 ft |
| Sep 21 | 0.43 ft | 0.69 ft | 0.99 ft |
| Sep 20 | 0.55 ft | 0.80 ft | 1.05 ft |
| Sep 19 | 0.83 ft | 1.06 ft | 1.28 ft |
| Sep 18 | 1.17 ft | 1.34 ft | 1.51 ft |
| Sep 17 | 1.05 ft | 1.46 ft | 1.76 ft |
| Sep 16 | 0.26 ft | 0.70 ft | 1.20 ft |
| Sep 15 | 0.07 ft | 0.44 ft | 0.73 ft |
| Sep 14 | 0.17 ft | 0.40 ft | 0.61 ft |
| Sep 13 | 0.29 ft | 0.49 ft | 0.68 ft |
| Sep 12 | 0.18 ft | 0.43 ft | 0.62 ft |
| Sep 11 | 0.42 ft | 0.74 ft | 1.12 ft |
| Sep 10 | 0.53 ft | 0.81 ft | 1.15 ft |
| Sep 9 | 0.49 ft | 0.73 ft | 1.06 ft |
Lake Pontchartrain level-history FAQ
How has Lake Pontchartrain water level changed over the last 30 days?
Across the available 30-day sensor series, the net change is +1.13 ft and the overall direction is rising.
What was the highest Lake Pontchartrain level in the last 30 days?
The highest reading in the available 30-day series is 2.15 ft.
What was the lowest Lake Pontchartrain level in the last 30 days?
The lowest reading in the available 30-day series is 0.07 ft.
Are historical USGS lake readings final?
Not always. Recent readings may be marked provisional and can be revised by the source agency after quality review.