Kno'di dam was built by the Earth nation in year 88 SE. It is only dam in Grom. Dam is 132 meters high. After it's build it created flooded plains in Dutarland, before building of dam, it was sea. In year 167 SE Fire nation destroyed 2 of 3 turbines of Dam. After this event dam was almost ruined and it almost fell apart, because of big capacity of water in Kno'di lake. Now Kno'di dam is one of most impressive objects in the Grom. It is guarded by Green order. In year 100 TE after an earthquake it failed, so 30 000 people lost their lives.