Rainwater Infiltration in Mühlheim

Installation and maintenance of infiltration trenches

Abfluss-AS is a dependable partner for Mühlheim and the Rhine-Main area in all matters concerning rainwater infiltration.

Land sealing is an increasingly recognized issue in Germany, leading to higher costs for drinking water and wastewater treatment, as well as an elevated risk of flooding. Infiltration of rainwater has become a critical concern for new buildings, conversions, and renovation projects.

We offer localised and decentralised infiltration methods, such as infiltration troughs, which provide a natural solution for managing collected rainwater. These technological advancements are environmentally friendly, cost-effective, and increasingly supported by regulatory bodies.

What is decentralised rainwater infiltration?

When rainwater that has not been polluted with harmful substances infiltrates directly onto the property, this is referred to as “decentralised rainwater infiltration”. The technical issues in this context are regulated by the DWA-A 138 worksheet.

Regenwasserversickerung

What is a storm drain?

An infiltration trench is an underground trench in which rainwater can infiltrate. Infiltration trenches are mainly planned because of limited space and the relatively simple realisation.

Infiltration trenches can be installed under paved paths and areas accessible by lorries. They can be combined with other techniques, e.g. above-ground depressions (swales).

Rigole Graf

Amendment of the Water Resources Act

According to the amended German Water Resources Act (WHG), more rainwater is to be infiltrated instead of being drained into the sewage system as was previously the case. According to § 55 para. 2 WHG, the mixing of rainwater and wastewater is to be avoided. In fact, this regulation means the end of the principle of mixed sewerage.

Furthermore, rainwater infiltration systems are increasingly prescribed in development plans. Modern infiltration trenches offer various advantages over classic rainwater infiltration (troughs, gravel):

  • High storage and infiltration capacity (only 30% of the gravel volume is required for the same capacity).
  • Less land required (less excavation)
  • Hardly any restriction on surface usability (in contrast to swale infiltration)

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More than 1,000 customers rely on the expertise of Abfluss-AS Mühlheim. Do you too? Get in touch with us.

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