Who is responsible for the maintenance of the mud in the basement of the community?

There is mud flow sliding down in the basement of the community. Passerby property is responsible for maintenance. The responsibility of the property management company itself is to be responsible for cleaning, security and engineering maintenance in the park. There is silt in the basement of the residential area, which is also within the scope of property management, and the property needs to be cleaned and maintained. Therefore, mud slides in the basement of the community, and passers-by property is responsible for maintenance.