Review for Coulee Dam Casino Review For Coulee Dam Casino Google User Sep 22 '17 at 1:01 I took a bus of seniors to Grand Coulee Dam Casino today 9/21/2017 and two of my resident had to wait over an hour to get there food at the new restaurant, they got up and left even after they where told there food was coming right up, they still waited another 20 mins and still no food. I Janet Gonzales ordered a Hamburger and waited 30 mins for mine and i cut the Hamburger in half and it was raw, so i told the cashier that i was not going to pay for something that was not cooked and i left the restaurant. poor serve all through the restaurant View full site to comment or like