Rainwater Infiltration in Mainz
The consequences of land sealing are making themselves felt across Germany through increased prices for drinking water and wastewater, as well as damage caused by floods. The topic of rainwater infiltration is particularly relevant for many new building projects, conversions, and renovations.
Modern techniques now allow for the near-natural management of rainwater accumulation. Decentralized infiltration on site, such as through the use of infiltration troughs, is increasingly being requested by regulatory authorities.
Why is rainwater infiltration important?
Roofs, paths, and streets prevent rainwater from seeping into the ground. Instead, it flows over the surface into the sewer system. During heavy rainfall, this can overwhelm drainage systems and lead to backflow or flooding. Local rainwater infiltration helps relieve public sewers, prevents flood damage, and preserves the natural water cycle.
Whether through swales, infiltration shafts, or underground soakaway systems, professional planning of these systems protects your property from the effects of heavy rain while contributing to resource conservation.
In the video, you can learn more about the relevance of modern infiltration systems and how various solutions can be effectively implemented.
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What is decentralised rainwater infiltration?
What is a storm drain?
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).
Amendment of the Water Resources Act
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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Questions and answers
Do you still have questions
about Rainwater Infiltration in Mainz?
Do I need a permit to install an infiltration trench?
Can I save on fees with an infiltration system?
Yes, in many cities – including Frankfurt – there are reductions or exemptions from the rainwater fee if rainwater seeps away on the property and is not discharged into the sewer system. A certificate from the specialist company is usually a prerequisite.
What is rainwater infiltration?
Rainwater infiltration refers to the targeted discharge of rainwater into the ground in order to relieve the burden on the sewage system and promote the natural water cycle. It is extremely important and is now mandatory in many municipalities, especially for new buildings, conversions and renovations.
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