Preheat the oven to 375 degrees F.
Combine the flour, baking soda, salt and water in a small bowl.
Beat butter, granulated sugar, brown sugar and vanilla extract in a large mixer bowl until creamy. Add eggs, one at a time, beating well after each addition.
Gradually mix in flour mixture. Stir in chips.
Drop by rounded tablespoon onto ungreased baking sheets. Bake for 8 minutes or until golden brown. Cool on baking sheets for 2 minutes before removing to wire racks to cool.
Note that this recipe has been adjusted for high altitude.