In a pitcher, combine Hampton Water, Whiskey, lemon juice, and maple syrup. Stir well to ensure all the ingredients are mixed properly. Add ice to the pitcher, leaving some room at the top for serving. Stir once again to chill the mixture and dilute it slightly with the melting ice. Add lemon slices.
Pour the cocktail into individual serving glasses filled with ice. Optionally, you can garnish each drink with an orange slice, cherry and cinnamon stick.