evidence: Most drinking water has a neutral pH of 6.5 to 7.5. Some types of water are slightly more acidic, like distilled water. Other types are more alkaline, like commercially-available alkaline waters ( [...] Drinking water, regardless of its pH level, will not change your blood pH level unless you drink vast quantities that would be nearly impossible to consume ( [...] SummaryMost water has a pH of 6.5 to 7.5. Distilled water is more acidic, while alkaline water products are more alkaline. Drinking water cannot change your blood pH and there’s little evidence that alkaline water is better for you.