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Precipitation water - discharge and infiltration

Niederschlagswasser soll ortsnah versickert, verrieselt oder ohne Vermischung mit Schmutzwasser in ein Gewässer eingeleitet werden.

Discharge into a surface water body

The discharge of non-harmfully polluted precipitation water into a surface water requires water law permission from the lower water authority.

This does not apply to the discharge of precipitation water from non-commercially used areas.

Infiltration

In the following cases, infiltration must be reported to the water authority:

  • surface infiltration
  • Infiltration via troughs or pipes/rigole (only private individuals)

Permission under water law must be obtained for:

  • Infiltration by means of a soakaway (tradesmen and private individuals)
  • Infiltration via pipe/rigole (private individuals in TWSZ and tradesmen)

Discharge into a surface water body

The application for a water right permit to discharge to a surface water body must be submitted in 2 hard copies with the following documents:

  • Application letter
  • Explanation
  • General plan
  • Drainage plan with connected areas and discharge point
  • Calculation of the discharge quantity
  • Proof of the hydraulic capacity of the watercourse
  • Information on rainwater retention
  • Detailed plan of discharge structure

Infiltration

The documents to be submitted depend on the type of infiltration and whether it is a notification or an application for a permit under water law.

For a detailed list, please refer to the information sheet under Downloads.

Tag Zeiten
Montag 08:00 - 12:00 und 13:00 - 16:00 Uhr
Dienstag 08:00 - 12:00 und 13:00 - 16:00 Uhr
Mittwoch keine Sprechzeiten
Donnerstag 08:00 - 12:00 und 13:00 - 18:00 Uhr
Freitag 08:00 - 12:00 Uhr

Um vorherige Terminvereinbarung wird gebeten.

  • Water Resources Act (WHG)
  • Thuringian Water Act (ThürWG)
Water / Soil / Waste Team

Am Anger 26
07743 Jena
Germany

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