Engineering office for water and resource management
Plan with us!
We manage and supervise projects of water supply, drainage, and wastewater treatment and furthermore offer consulting for municipalities and individual management of your facilities. In doing so, we act competently, creatively and personally.

What drives us
We place a special focus on the protection of nature & the environment and the well-being of people. Therefore, we develop and maintain a sustainable and economical water infrastructure with our dedicated team.
Where we come from
Our managing director Dipl.-Ing. Frederik Maurer founded the engineering office in 2012. He enthusiastically passes on his years of experience in urban water management as well as in municipal operations to the employees of IWR.
What makes us strong
We see ourselves as interdisciplinary problem solvers and enjoy taking on challenges. Concentrated knowledge, reliable partners and sustainable thinking & acting make us strong.
Services of the IWR GmbH
Our services in water management and resource management are versatile: We provide comprehensive advice on property drainage, water pollution control or stormwater treatment issues. We also offer a full range of other services such as municipal operational management / operational consulting, flood protection and heavy rainfall prevention or sewer rehabilitation. We are also one of the leading engineering companies in Germany when it comes to negative pressure drainage. Extensive expertise and many years of experience in urban water management make us a reliable partner at your side. Learn more about our services!
IWR GmbH: Your competent engineering office for water management in Cologne
1. September 2022
“ARIKI”- Remote Inspection with AI
We are very pleased to have received the funding commitment in the program “Edge data…
22. July 2022
Property drainage Charging stations
E-car charging station inspected For the client Fastned, we planned the site drainage for several…
13. June 2022
Drainage concept RVR – Emscherbruch
Drainage concept required for forestry training centre Due to the renaturation of the Emscher River…
7. June 2022
IFAT 2022 – we were there
IFAT returns at last After a break due to the pandemic, IFAT, the leading trade fair for water,…
10. May 2022
Operations manuals for 34 pumping stations
On-site appointment in Rheinberg The city of Rheinberg commissioned us to create operations manuals…
10. May 2022
Quick entry of ‘construction points’ via app
Simple quick entry of 'construction points' Our colleagues from Ingenieurbüro Becker have released…
19. April 2022
Stuttgart 21 – ‘Rosensteinviertel’ drainage concept
Drainage concept - wastewater and rainwater + storage We have provided the following services:…
7. March 2022
Photovoltaic system at pumping station Breitenbach
Water pumping with green electricity WBV Dörnberg is leading the way in terms of green public…
10. February 2022
Renewal of Zeller Straße in Romrod
Planning and tendering 'Zeller Straße Romrod' IWR GmbH was commissioned by the town of Romrod and…
19. July 2021
Marvin Elsbecker: Surveyor for the Maintenance of Piping Systems
Our colleague Marvin Elsbecker participated in the four-semester advanced training course…