If your tank ball or floater is not installed correctly, it could cause the flush valve to stay open. Unfortunately, this problem is not always easy to locate. There is rarely any sound associated with this type of toilet leak as it is an internal problem.
Caption Floodwaters pour over Texas dam. Water is seen flowing over the top of a dam at Padera Lake near Midlothian early Wednesday morning following days of heavy rain. Water is seen flowing over the top of a dam at Padera Lake near Midlothian early Wednesday morning following days of heavy rain.
In some cases bell-mouth spillways are gate controlled. The spillway at Hungry Horse Dam (pictured right) , the highest morning glory structure in the world, is controlled by a 64-by-12-foot (19.5 by 3.7 m) ring gate. However the largest remains in Geehi Dam, measuring 105 ft (32 m) in diameter at the lake's surface.