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Meet Our Team

Frederick Lehmann

Senior Application Engineer
WaterCare, Coventya Inc.

Fritz received a Bachelor of Science Degree in Biology/Chemistry from Grand Valley State University, Allendale, Michigan, in 1980. Earned a Masters Degree in Biology from Texas A&M University in 1985. He has worked extensively in the utility industry for over 25 years, as an Environmental Engineer, and for 20 years as a salesman/consultant to industry- supplying chemicals/equipment for wastewater, cooling and boiler water applications.

  • Primary expertise: Wastewater, Boiler Water, Cooling Water
  • Certified Industrial Wastewater Operator - Ohio #IND 0015

Contact Information:
Tel: (855) 952-9525


Mark E. Andrus

Business Manager
WaterCare, Coventya Inc.

Mark received a Bachelor of Science Biology/Chemistry from Baldwin-Wallace College, Berea, Ohio, in 1980. Studied at The Ohio State University's Environmental Research Station - Stone Laboratory in 1977 and 1978.

Mark has worked in environmental pollution control and industrial water treatment for over 30 years (Zimmite Corporation, Applied Specialties, Burmah Water Management, and Aquatech Chemical International, Taskem, Inc., Coventya Inc.). He has worked in research & development, sales, and division management

Mark is a published author of technical papers on environmental water quality and is a frequent presenter of papers on industrial water treatment.

  • Primary expertise: Wastewater, Boiler Water, Cooling Water
  • Certified Industrial Wastewater Operator - Ohio #IND 0014
  • California State University, Office of Water Programs Certified Instructor #I-842
  • American Electroplaters and Surface Finishers Society Certified Trainer: Wastewater

Contact Information:
Tel: (855) 952-9525


Dr. Klaus Wojczykowski

Technology Manager
Research and Development Coventya Inc.

Klaus received his Diploma in Chemistry from Bielefeld University, Germany, in 2002. He then finished his PhD thesis on syntheis and stabilization of nanopartices in 2006. He has worked as an R&D Chemist for COVENTYA since then and became Technology Manager for the U.S. sites of COVENTYA in February of 2010.

  • Primary expertise: Colloidal Chemistry, Protective Coatings, Corrosion

Contact Information:
Tel: (855) 952-9525

WaterCare
in the News

Keep up with the WaterCare industry and the Chemical Applications for the Treatment of Cooling Water, Boiler Water, and Wastewater...

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As a new addition to the WaterCare product line, OMEGA MP-5152 provides multiple benefits.

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Posted By Coventya WaterCare

The challenge of water resource management is viewed as our corporate responsibility. Coventya WaterCare is committed to the following: Return, Renewal, and Recycle

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Posted By Coventya WaterCare

Simple soulutions to meet your boilers requirements. 15 and 55 gallon drums are available in OMEGA TH-7125, OMEGA TH-7127, and OMEGA TH-7129.

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Posted By Coventya WaterCare