When the water storage capacity of Monticello Dam reaches its limit, the excess water should be discharged as soon as possible. The Monticello Dam is famous as a "giant circular spillway". Mosul Dam is located in the Tigris River basin, 70km north of Mosul, Iraq. Its storage capacity can reach 654.38+02 billion cubic meters. The dam was completed in 654.38+0984 and named "Saddam Dam". After 2003, it was renamed "Mosul Dam". Its collapse will be very dangerous.