Lake levels
Lake Johnson, NC
- water level
- 343.29 ft
- 7-day change
- +0.23 ft
- 30-day change
- -0.06 ft
- 1-year change
- +0.01 ft
- Record high
- 344.50 ft
Reading as of 2021-07-13 | the U.S. Geological Survey
- Since yesterday
- -0.01 ft
- 7-day change
- +0.23 ft
- 30-day change
- -0.06 ft
- 1-year change
- +0.01 ft
- Record high
- 344.50 ft
In brief
Lake Johnson's last reported level was 343.29 feet, on Jul 13, 2021.
Source: U.S. Geological Survey
Last 30 days
Last 12 months
Records and averages
| Current level | 343.29 ft |
|---|---|
| Record high | 344.50 ft (2018-11-13) |
| Record low | 337.69 ft (2018-09-14) |
| Average of all readings | 343.15 ft |
| Data span | 2 years (1,073 readings) |
Level schematic
Frequently asked questions
Is Lake Johnson full right now?
As of 2021-07-13, Lake Johnson sits at 343.29 ft.
What is the water level at Lake Johnson on record?
This gauge stopped reporting on 2021-07-13; its final reading was 343.29 ft, sourced from the U.S. Geological Survey. It is kept here for the historical record and is not a current level.
What is the highest Lake Johnson has ever been?
The highest level for Lake Johnson in our records is 344.50 ft on 2018-11-13. The lowest is 337.69 ft on 2018-09-14. Our record covers about 2 years of readings.
Why is Lake Johnson 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. Lake Johnson has fallen 0.06 ft over the past 30 days. For the operational reason on any given week, check the U.S. Geological Survey directly.
How much has Lake Johnson changed over the past year?
Lake Johnson is +0.01 ft compared with this date last year (343.29 ft today). The full-history chart above covers 2 years, with a record high of 344.50 ft and a record low of 337.69 ft.
Download and cite
Download the full record
lake-johnson-nc-water-level-history.csv
How to cite
MyWaterLevel, “Lake Johnson water level, 2018 to 2021,” data from U.S. Geological Survey, https://mywaterlevel.com/lake/nc/lake-johnson/, accessed Oct 13, 2026.
Source: the U.S. Geological Survey. All North Carolina lake levels. Readings are provisional and may be revised. About our data and methods.