Pequot Lakes Minnesota has a spherical water tower that known as the world s largest fishing bobber The water tower holds 6 684 cubic feet of water The water tower needs to be repainted and it will have to be painted twice to get two coats of coverage One gallon of paint can cover 350 square feet How many gallons of paint will be needed to paint the water tower 6 total points 3 for work finding the radius 2 for finding the surface area 1 for gallons of paint