This is a shallow Koi Pond inside the Bridge Port II building in Mt Pleasant. The construction is concrete and sprayed with Polyurea by Advanced Poly Coatings for water proofing. It is only about 1800 gallons with a depth of 22". There are two waterfalls one 36" wide and the other 24" wide booth are close to the surface of the water to cut down on splash. Although small this pond has a 2.2 Aquadyne bead filter with a 1/3 Hp Artesian pump and  40 watt UV.