A small Danish design that protects against flooding from sewers during rainstorms, simple and cheap. Inside the Cloudburst valve is a simple mechanism which is activated by the rain's intensity - it closes during a cloudburst and lets the water running out of the ground instead of down the drain and opens stops raining. Cloudburst valve is placed over the well during the drainpipe without major excavation. Cloudburst valve can benefit homeowners who're having trouble with water in the basement and urban communities that have problems with sewage in the streets under cloudburst. The solution has large community saving potential. The solution has large community saving potential because it can be implemented quickly and because it is a cheap solution. and it's a beautiful design!