Verdunstungs-, Kühlanlagen und Nassabscheider: Überschreitung der Maßnahmenwerte oder Betriebsstörung melden

You must report any exceedance of action values for the concentration of legionella in process water to the responsible authority!

As the operator of an evaporative cooling system, a cooling tower or a wet separator, you are obliged to inform the competent authority immediately in accordance with Annex 3 Part 1 of the 42nd BImSchV and within a period of 4 weeks in accordance with Annex 3 Part 2 of the 42nd BImSchV if a laboratory test reveals that the action values for the concentration of legionella in process water specified in Annex 1 of the 42nd BImSchV have been exceeded. The competent authority will receive the information and check the measures you have initiated. If necessary, the authority will also contact you.

The obligation to provide information takes place via the "Cadastre for the registration of evaporative cooling systems 42. BImSchV - KaVKA".

Registration in the KaVKA-42.BV system is first required in order to provide information when a measure value is exceeded. After successful registration and setting the master data of the workplace (the location of the system) and the system, information can be provided

On the following page you will find Instructions for login and registration.

If a measure value is exceeded, you are obliged, among other things, to inform the competent authority immediately in accordance with Annex 3 Part 1 and within a period of 4 weeks in accordance with Annex 3 Part 2.

This administrative service does not constitute an administrative act. For this reason, there is no legal remedy.

• Information obligations of evaporation, cooling and wet cut-off systems Notification if the action values are exceeded or if operation is disrupted
• The competent authority must be notified if action values for the concentration of legionella in process water are exceeded

The competent authorities are the immission control authorities of the federal states.

Information is provided electronically via the "Cadastre for the registration of evaporative cooling systems 42. BImSchV - KaVKA"