The pH of pure water should be neutral (7). pH is affected by additives in the water, however, so it will vary depending on the source.
7 (neutral)
Water usually has a pH of around 7.
7ph
It depends on the chemical composition of the salt. If it is acidic or basic it will change the pH. The common salt (NaCl) is neutral in nature so it doesn't change the pH.
around ph6