Grady County Of--district Court, Rural Water Dist #7 Chickasha, OK 73018 Phone : (405) 224-2398 Business Category Government Offices-County Government Offices & Public Schools Grady County Rwd 694 S Old Highway 81 Ninnekah, OK 73067 Phone : (405) 224-2398 Business Category Water & Sewage Companies-Utility Water Supply