Is it illegal to change rainwater pipes without permission?

In principle, it is illegal to change rainwater pipes without permission. According to the law, the water in the rainwater pipeline can be directly discharged or collected for greening irrigation. If the change causes personal or property losses to others, it shall bear the corresponding liability for compensation. Houses are not allowed to change the sewer pipes without permission, and the decorators shall declare and register with the property management enterprises or housing management institutions before the interior decoration works of houses start.

If the pipeline is blocked, leaked, water and electricity are cut off, or goods are damaged due to the indoor decoration activities of the house, the decorator shall be responsible for repair and compensation. It is illegal to discharge domestic sewage into rainwater drainage pipes without permission, which violates the relevant laws of environmental protection. Those who discharge pollutants illegally shall be fined and punished according to the classification requirements, and those who cause serious pollution shall be investigated for criminal responsibility.

Changing the sewer pipe privately belongs to the residential property company. Unauthorized changes to sewers can be reported in the following ways:

(1) You can negotiate directly with the owner through the property management company.

(2) If the communication fails, you can also directly sue the owner;

(3) or complain to the local water supply administrative department.

Legal basis:

People's Republic of China (PRC) Civil Code

Article 165 Where an actor infringes upon the civil rights and interests of others through fault and causes damage, he shall bear tort liability. If the actor is presumed to be at fault according to the law and cannot prove that he is not at fault, he shall bear tort liability.

Article 167 Where an infringement endangers the personal and property safety of others, the infringed party has the right to demand the infringer to bear the tort liability of stopping the infringement, removing the obstruction and eliminating the danger.

Measures for the administration of interior decoration of residential buildings

Thirteenth decoration in the residential interior decoration project, should be to the property management companies or housing management agencies (hereinafter referred to as the property management unit) to declare the registration. Non-owner residential users shall obtain the written consent of the owner for decorating the residential interior.

Fifteenth industry management units shall inform the decorator and the decoration enterprises entrusted by the decorator of the prohibited acts and matters needing attention in residential interior decoration engineering. Before decorating the house, the decorator should inform the neighbors.