Lake levels
Black Lake Bayou, LA
- gauge height
- 8.53 ft
- Condition
- About average for this time of year
- 7-day change
- -0.12 ft
- 30-day change
- +0.11 ft
- 1-year change
- +3.69 ft
Reading as of 2026-10-12 | the U.S. Geological Survey
- Since yesterday
- -0.02 ft
- 7-day change
- -0.12 ft
- 30-day change
- +0.11 ft
- 1-year change
- +3.69 ft
- Record high
- 26.12 ft
In brief
Black Lake Bayou's gauge read 8.53 feet on Oct 12, 2026. That is higher than 52% of October readings since 1996.
Source: U.S. Geological Survey
Gauge height above a local reference point; not elevation above sea level.
Lake level timeline
Records and averages
| Current level | 8.53 ft |
|---|---|
| Record high | 26.12 ft (2016-03-16) |
| Record low | 4.47 ft (2005-11-20) |
| Average of all readings | 9.14 ft |
| Data span | 30 years (10,877 readings) |
Level schematic
Frequently asked questions
Is Black Lake Bayou full right now?
As of 2026-10-12, Black Lake Bayou sits at 8.53 ft, which is about average for this time of year. Over the past 30 days the level has risen 0.11 ft.
What is the water level at Black Lake Bayou today?
The most recent reading at Black Lake Bayou is 8.53 ft (2026-10-12), sourced from the U.S. Geological Survey. Readings on this page refresh automatically as the agency publishes new data.
What is the highest Black Lake Bayou has ever been?
The highest level for Black Lake Bayou in our records is 26.12 ft on 2016-03-16. The lowest is 4.47 ft on 2005-11-20. Our record covers about 30 years of readings.
Is Black Lake Bayou low for this time of year?
Compared with every October in our records, the current level is higher than 52% of them, which we classify as about average for this time of year. Seasonal comparison matters more than the raw number, because most reservoirs draw down predictably through late summer and refill over winter and spring.
Why is Black Lake Bayou changing right now?
Reservoir levels move for four main reasons: rainfall and runoff into the basin, releases through the dam for downstream water supply, power generation or flood control, evaporation during hot months, and seasonal drawdown schedules set by the operating agency. Black Lake Bayou has risen 0.11 ft over the past 30 days. For the operational reason on any given week, check the U.S. Geological Survey directly.
How much has Black Lake Bayou changed over the past year?
Black Lake Bayou is +3.69 ft compared with this date last year (8.53 ft today). The full-history chart above covers 30 years, with a record high of 26.12 ft and a record low of 4.47 ft.
Download and cite
Quote this reading
Black Lake Bayou's gauge read 8.53 feet on Oct 12, 2026. That is higher than 52% of October readings since 1996.
Download the full record
black-lake-bayou-la-water-level-history.csv
How to cite
MyWaterLevel, “Black Lake Bayou water level, 1996 to 2026,” data from U.S. Geological Survey, https://mywaterlevel.com/lake/la/black-lake-bayou/, accessed Oct 13, 2026.
Source: the U.S. Geological Survey. All Louisiana lake levels. Readings are provisional and may be revised. About our data and methods.