Cultivating a culture of excellence in our team and our industry.

Your water treatment system is central to keeping your facility and your organization running. Trust it to our experienced professionals who have the highest certifications and licenses in the industry. Few companies go to the extent we do to hire and train experts and then maintain those skills with ongoing education. We do it because we’re committed to ensuring the highest quality, so you can have full confidence in our team and our work. Our founder, Les Norman, has been recognized as the 2023 Ray Baum Memorial Water Technologist of the Year from the Association of Water Technologies (AWT) and we currently have eight Certified Water Technologists (CWT) on staff.

Our list of accreditations and certifications include:

International Standards Organization Certification

We are an ISO 9001:2015 certified company.  This important designation reflects our commitment to quality, environmental friendliness, safety, reliability, and efficiency. The certification gives us a system of checks and balances that guarantee you receive the highest quality in every aspect of our work.

Licensed Engineers

Our licensed mechanical and chemical engineers have decades of experience working with clients and leading our team in developing smart, site specific water technology solutions.

Certified Water Technologists

Our Certified Water Technologists (CWT) work in the field managing water treatment systems and troubleshooting issues. They are highly trained, professional, knowledgeable, and trustworthy so you can be confident they’ll manage your system effectively.

Licensed Boiler Operators

We promote safe workplace practices by ensuring our Certified Water Technologists are also Licensed Boiler Operators so they have the proper training to confidently handle all aspects of your system.

Certified Pesticide Applicators

Using EPA registered biocides to control microbiological growth in a water treatment system is common; however, the key is knowing how to apply them correctly. Our team members involved in applying biocides are licensed Certified Pesticide Applicators and all of our biocides are registered with the EPA.

ASSE 12080 Certified Staff

Our team members with ASSE 12080 certification are involved in risk assessment analysis, and the development of Water Management Plans (WMP) with regards to Legionella and other waterborne pathogens.

Commercial Drivers

All of our drivers are Licensed Commercial Drivers (CDL).


We are active in our industry and are proud to be recognized by our peers as a leader. By staying on top of industry news and innovations, certifications, regulatory requirements, and training opportunities we can provide the newest, best solutions to every client. We are proud members of:

  • Associated Laboratories, Inc.
  • The Association of Water Technologies (AWT)
  • The American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE)
  • The Association for Materials Protection and Performance (AMPP)
  • American Society of Mechanical Engineers (ASME)
  • The Cooling Technology Institute
  • GSA Contractor

Meet Bernadette Combs,
President of IWE

Bernadette is one of only a handful of women to become a nationally Certified Water Technologist (CWT) through the Association of Water Technologies (AWT). The designation reflects the highest level of competence in the water treatment industry. She is also the first woman to have served as the President of AWT which advocates for companies in the water treatment industry and gives members the tools and skills they need to give their clients the highest quality service. Bernadette holds an ASSE 12080 Certification for Legionella Water Safety and Management Personnel and has developed legionella response Water Management Plans (WMP's) throughout the southwest. She is a member of the Association for Materials Protection and Performance (AMPP International), American Society of Mechanical Engineering (ASME) and the American Society of Heating Refrigeration and Air-Conditioning Engineers (ASHRAE). With her extensive certifications and industry involvement she leads our team by example.