Review for Coulee Dam Casino Review For Coulee Dam Casino Google User Aug 31 '17 at 2:19 Small casino,only penny machines,I was there for 4.5 hrs.& Didn't hear one person say or scream JACKPOT.SO payout is low the casino is not visible very well.The employees were nice though & for it being so little there were tons of employees working View full site to comment or like