Non-undewater underwater

What this problem is related to? (e.g. Game / Launcher / Website / etc. ):

Describe the problem:
There is a specific area that looks like it should decrease the oxygen level, but it doesn’t.
Position: 46687 46924 -5226; G7
Rotation: 16651; S
What was the expected behavior?:

List the steps that occurred before the problem appeared:

Can you reproduce the problem?:

Operating System, Browser version, Antivirus, or any other related platform information (if relevant):

Screenshots/Videos (if available):