July 11th,2020
Welcome to the Ruhr District Institute of Hygiene

Your contact partners
Dipl.-Biol. Daniela Thönnes
Phone: 0209-9242-240
Fax: 0209-9242-222
Helmut Kersken


Divisional Director

Dr. Helmut Kersken holds a degree in biology with a focus on zoology. He is head of our limnology department.

Business Divisions

  • examination and evaluation of the water quality of stagnant and running waters (Reservoirs, quarry ponds, natural bathing
  • microscopy

Membership in Scientific Associations

  • German Society for Limnology (DGL)

Collaboration with Committees and Commissions

  • Association on Drinking Water Reservoirs (ATT)