Yes! The manufacturer claims that this product is lactose free.

Is Nestle Pure Life Purified Water, 16.9 fl oz. Plastic Bottled Water (Pack of 12) Lactose Free?

Yes! The manufacturer claims that this product is lactose free.
Lactose Free? Nestle Pure Life Purified Water, 16.9 fl oz. Plastic Bottled Water (Pack of 12) | Spoonful