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

Why Does My Industrial RO System Need to be Cleaned?

A Reverse Osmosis (RO) system is your company’s lifeline for having clean, filtered water for the purpose of supplying manufacturing efforts, being used as an ingredient, and human consumption. Industrial water treatment is essential for your business and properly maintaining your water treatment system is crucial for ensuring longevity, efficiency, and high-quality water production. If [...]

Welcome Melissa To The Team At Complete Water Solutions

CWS is excited to announce that Melissa has joined the Team Help us in welcoming Melissa to the Complete Water Solutions team! Melissa has brought her Digital Marketing Skills To Complete Water Solutions and is making an impact to help our customers find what they need. We are excited to have Melissa as part of [...]

Choosing the Right Industrial Water Treatment Solution For You

Industrial water treatment, for any industry, is a necessary topic of concern and can have a largely positive impact on your business. There are many benefits to consider when looking into the possibility of finding a solution to your water treatment needs. So if you’re not sure where to begin, we are here to help [...]

Complete Water Solutions Rockstar Award Recipient Patrick

At Complete Water Solutions one of our core values is   We Work Hard & Reward Hard Work – We will celebrate the hard work of individuals and teams.   We would like to recognize Patrick for earning the Rockstar Award. Patrick has gone above and beyond to help our customers with their water treatment needs. [...]

Difference Between Cleaning & Disinfecting Industrial RO System

Proper maintenance of an industrial reverse osmosis (RO) system is crucial for ensuring its longevity, efficiency, and the production of high-quality water. Two essential maintenance activities that should be prioritized are cleaning and disinfection. While these tasks may seem similar at first glance, they serve distinct purposes and are both vital for optimizing system performance. [...]

Complete Water Solutions Announces Expansion

The Complete Water Solutions Expansion was announced today with the final approval for a new 12,000 sq. ft. building located @ 851 W Main Street Twin Lakes Wisconsin. The new facility will enable Complete Water Solutions to broaden our inventory and increase our workforce. The Complete Water Solutions Expansion 12,000 sq. ft. Expansion Twin Lakes [...]

How do Industries Benefit from Water Purification Treatment?

Water purification is a critical component of modern industrial business operations. By creating a consistent supply of safe, clean water, businesses can optimize their processes, enhance product quality, and achieve significant cost savings. From manufacturing and pharmaceuticals to food processing and electronics, the importance of water purity has an effect on a variety of industries. [...]

What You Should Know About Your Industrial Water System

Are you familiar with the type of industrial water system you have and how it works? If there was an emergency repair needed would you be able to identify the issues? Well, it's very important to familiarize yourself with the system responsible for your industrial water filtration. There are many indicators that will help you [...]

Common Industrial Water Treatment System Issues & How to Fix Them

Does your business have an industrial water treatment system? Well if you work in major industries including healthcare, food, labs, and more, it is important to have a high-functioning and quality industrial water treatment system to protect against poorly treated and unfiltered water. Water treatment systems are designed to remove impurities, contaminants, and any other [...]

Industrial Water Treatment for Power Generation

Why is industrial water treatment important for our power generation? Having clean and properly treated water is a key component for dependable power generation. Whether it’s boilers, cooling towers, turbines, or anything in between, treated and pure water is vital to ensuring an efficient and dependable operation of the system! Power plants that rely on [...]

Industrial Removal of Nitrate From Your Water

Wondering why you should remove nitrate from your business's water supply? Industrial nitrate removal from water is important for any business. Although nitrate is found in many naturally occurring substances, it can become a hazardous compound in larger amounts. How does this affect your business? Well, too much nitrate in water facilities can be very [...]

Understanding the Importance: RO Membrane Cleaning in Water Treatment

Industrial reverse osmosis systems do a lot of the work when it comes to removing contaminants during water treatment. It's important to monitor when your industrial RO system is in need of its own decontamination. The membrane of the reverse osmosis system can become soiled with suspended solids, microorganisms and mineral scale during its normal operation. [...]

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