What is the classification of salt water?

salt water or saline water are classified into 3.

Explanation:

1. slightly saline water it's concentration is around 1,000 to 3,000 ppm (0.1-0.3%).

2. in moderately saline water it's concentration is around 3,000 to 10,000 ppm (0.3-1%)

3. highly saline water whose concentration is around 10,000 to 35,000 ppm (1-3.5%)