Sustainable maintenance of the
wastewater system in Germany
Positive incentives for sewer construction
The functions of wastewater systems are handling, collection and treatment of wastewater. For this purpose, their hydraulic dimensions have to be adequate, and they have to be permanently waterproof due to the appropriately chosen materials. A hygienic, flood-proof and good ecologic status is thus obtained in urban areas. In Germany the connection rate to wastewater sewers, which were built over many generations, is high at present. The status of wastwater sewers is worsening, due to aging and also due to internal und external influences. An annual need for rehabilitation of 2-3% is...
