Nathan Olszak

  With over 30 years of hands-on experience in the water treatment industry, Nathan Olszak is a trusted water treatment expert. He specializes in designing, engineering, and servicing water treatment systems. As the owner of Complete Water Solutions, Osmonics, and Membrane Cleaning Pro, Nathan has built a reputation for delivering customized water treatment solutions that enhance efficiency, reliability, and water quality across various industries, including the medical, commercial, and manufacturing sectors. Nathan’s journey in water treatment began as a service technician. He gained in-depth knowledge by working with all major brands of equipment, including Veolia, Suez, Bruner, Culligan, Pentair, Aquamatic, Osmonics, GE Water, Marlo, Lakeside, Fleck, Autotrol, US Filter, ION Pure, Siemens, Evoqua, and many others. This hands-on expertise, combined with his technical certifications, has made him a leader in water system engineering and water management.

Credentials & Expertise

  • Certifications: David H. Paul Reverse Osmosis Certification, PLC Programming
  • License: Power Plant Operating Engineer 3rd Class
  • Specialties:
  • Design & engineering of water treatment systems and advanced water systems
  • Custom water filtration systems and solutions
  • Installation, automation, and repair of water treatment systems
  • Expertise in Reverse Osmosis (RO), Deionization, Water Softening, Carbon Filtration, Iron Filtration, UV Treatment, Ultrafiltration (UF), Process Filtration, CEDI/EDI, and more
  • Specialized knowledge in Boiler Feed Water, Tower Makeup Water, and drinking water production for industries such as bottling, pharmaceuticals, and food processing
  • Project management and reclaiming of water system waste for other uses
  • Evaluation of raw water sources and potential contamination risks
  • Industrial water treatment strategies to prevent corrosion and optimize system performance
  • Boiler water treatment to enhance energy efficiency and system longevity
Nathan’s commitment to excellence extends beyond equipment sales and service. He works closely with clients to develop tailored water treatment services that optimize performance and meet their operations' unique demands. His expertise covers methods that mitigate water impurities, ensure fresh water accessibility, and maintain regulatory compliance. It also includes the design of high-efficiency reverse osmosis systems for industrial use. Nathan focuses on the latest technology in water conditioning, water softeners, filters, and pumps to improve maintenance and efficiency. His experience in laboratory testing and biofilm control ensures the highest industry standards in water treatment processes and water management.  Additionally, his deep understanding of infrastructure and water data analysis provides long-term, cost-effective solutions that promote health and safety. His expertise ensures that businesses receive top-tier, quality water treatment solutions. For insights into the latest industry trends, innovations, and best practices, explore the Complete Water Solutions Blog, where Nathan shares valuable information on water filtration systems, sustainability, and water solutions engineering.   Give Us A Call (855) 787-4200 or Email info@complete-water.com

Complete Water Solutions Welcomes Kevin To The Team

  Complete Water Solutions Welcomes Kevin To Our Facilities Team Complete Water Solutions is excited to announce Kevin has joined our Facilities Team. Prior to Complete Water Solutions Kevin was employed as a Chem Tech at a local power plant for over 32 years.  As a Chem Tech, Kevin had experience with various water treatment […]

Fleck 3900 Softener Emergency Repair

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Dealkalizer Replacement

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Waste Water Treatment Plant – Softener Replacement

Complete Water Solutions recently performed a softener replacement at a Waste Water Treatment Plant located in Wisconsin. The facility was experiencing hard water and iron staining. Complete Water Solutions performed a free P.M. Service and discovered that the softener was channeling. Softener Replacement from CWS What is Softener Channeling? Channeling occurs typically due to low [...]

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Complete Water Solutions was awarded a contract to replace the aging Magnum Triplex Softener system at an industrial linen facility. The facility uses soft water in its wash process & for boiler feedwater makeup. Using soft water reduces detergent usage as well as reduces energy consumption in the boiler. The old Mangum Softener System was [...]

Library Of Congress Awards Complete Water Solutions

  Library Of Congress RO Upgrade Recently Complete Water Solutions was awarded a project to upgrade an Osmonics E8-57K-DLX Reverse Osmosis System for the Library Of Congress. The RO System had a few obsolete items on it such as the Lakewood 2450 Controller and the Allen Bradley Micrologix 1000. The RO System unfortunately went down […]

Lakewood 2450 Controller & Allen-Bradley MicroLogix 1000

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Radium Removal From Public Water System

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Membranes Needed In Jamaica – AG8040 RO Membranes

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