Water Problem.Help now.

I currently am having a problem with water.

Underwater:http://img209.imageshack.us/i/gmconstruct0002j.jpg/

Overwater:http://img339.imageshack.us/i/gmconstruct0001c.jpg/

Help.I have reinstalled but still have the problem.

It would really help to have your computer specs.
CPU, Graphics card (important), etc.

This thread maybe will help…
http://www.facepunch.com/threads/1026395-HL2-Bug…?