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Lake Pontchartrain water level history

Daily records since 2016 · Level today: 1.10 ft

Highest on record
5.29 ft
Aug 30, 2021
Lowest on record
-1.76 ft
Feb 1, 2026
Today
1.10 ft
Oct 24, 2026
Years of data
10
since 2016

In short

Across 9 complete years, 2025 had the lowest average level (0.34 ft) and 2019 the highest (0.66 ft).

On average the lake is lowest in January (-0.03 ft) and highest in October (1.07 ft).

Lake Pontchartrain level, all years

Loading chart…

Measured Normal range for the date (middle 50% of past years)

Each year's lowest and highest level

-2-0246201620172018201920202021202220232024202520262016: lowest -0.75 ft (2016-06-17), highest 2.17 ft (2016-11-09), average 0.49 ft, 240 days measured2017: lowest -1.26 ft (2017-01-29), highest 3.45 ft (2017-06-21), average 0.44 ft, 364 days measured2018: lowest -1.27 ft (2018-07-22), highest 3.09 ft (2018-10-09), average 0.36 ft, 364 days measured2019: lowest -0.95 ft (2019-12-02), highest 3.41 ft (2019-07-13), average 0.66 ft, 365 days measured2020: lowest -1.14 ft (2020-12-25), highest 3.83 ft (2020-09-21), average 0.60 ft, 366 days measured2021: lowest -1.30 ft (2021-02-02), highest 5.29 ft (2021-08-30), average 0.63 ft, 359 days measured2022: lowest -1.52 ft (2022-04-09), highest 1.57 ft (2022-12-20), average 0.50 ft, 332 days measured2023: lowest -1.02 ft (2023-12-30), highest 1.96 ft (2023-10-12), average 0.45 ft, 365 days measured2024: lowest -1.09 ft (2024-01-31), highest 3.23 ft (2024-09-12), average 0.58 ft, 366 days measured2025: lowest -0.97 ft (2025-01-24), highest 2.59 ft (2025-10-05), average 0.34 ft, 364 days measured2026: lowest -1.76 ft (2026-02-01), highest 2.49 ft (2026-10-09), average 0.36 ft, 294 days measured
-2-024620162019202220262016: lowest -0.75 ft (2016-06-17), highest 2.17 ft (2016-11-09), average 0.49 ft, 240 days measured2017: lowest -1.26 ft (2017-01-29), highest 3.45 ft (2017-06-21), average 0.44 ft, 364 days measured2018: lowest -1.27 ft (2018-07-22), highest 3.09 ft (2018-10-09), average 0.36 ft, 364 days measured2019: lowest -0.95 ft (2019-12-02), highest 3.41 ft (2019-07-13), average 0.66 ft, 365 days measured2020: lowest -1.14 ft (2020-12-25), highest 3.83 ft (2020-09-21), average 0.60 ft, 366 days measured2021: lowest -1.30 ft (2021-02-02), highest 5.29 ft (2021-08-30), average 0.63 ft, 359 days measured2022: lowest -1.52 ft (2022-04-09), highest 1.57 ft (2022-12-20), average 0.50 ft, 332 days measured2023: lowest -1.02 ft (2023-12-30), highest 1.96 ft (2023-10-12), average 0.45 ft, 365 days measured2024: lowest -1.09 ft (2024-01-31), highest 3.23 ft (2024-09-12), average 0.58 ft, 366 days measured2025: lowest -0.97 ft (2025-01-24), highest 2.59 ft (2025-10-05), average 0.34 ft, 364 days measured2026: lowest -1.76 ft (2026-02-01), highest 2.49 ft (2026-10-09), average 0.36 ft, 294 days measured
Lowest to highest that yearYear average2026 so far

One bar per year from the lowest to the highest daily level, with the year's average. Years with no bar have no daily record in the agency archive.

Lowest years

Years ranked by their lowest daily level.

  • 2022-1.52 ft on Apr 9
  • 2021-1.30 ft on Feb 2
  • 2018-1.27 ft on Jul 22
  • 2017-1.26 ft on Jan 29
  • 2020-1.14 ft on Dec 25

Yearly highs and lows

YearAverageLowLow dateHighHigh date
2026 (294 days)0.36-1.76Feb 12.49Oct 9
20250.34-0.97Jan 242.59Oct 5
20240.58-1.09Jan 313.23Sep 12
20230.45-1.02Dec 301.96Oct 12
20220.50-1.52Apr 91.57Dec 20
20210.63-1.30Feb 25.29Aug 30
20200.60-1.14Dec 253.83Sep 21
20190.66-0.95Dec 23.41Jul 13
20180.36-1.27Jul 223.09Oct 9
20170.44-1.26Jan 293.45Jun 21
2016 (240 days)0.49-0.75Jun 172.17Nov 9

Levels in feet. Partial years show the number of days with data.

Monthly averages

MonthAverageLowestHighest
January-0.03-1.261.34
February0.07-1.761.36
March0.34-0.871.71
April0.59-1.522.16
May0.67-0.783.83
June0.56-0.913.45
July0.25-1.273.41
August0.46-1.085.29
September0.96-0.113.83
October1.07-1.083.19
November0.64-0.712.30
December0.24-1.231.59

Download

Daily levels as CSV (3,779 rows; credit the original agencies listed below)