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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

Industrial Water Treatment for Power Generation

May 1, 2024 · By Nathan Olszak
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 [...]
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nitrate removal rom water, purified water for healthcare, membrane cleaning

Industrial Removal of Nitrate From Your Water

April 1, 2024 · By Nathan Olszak
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 [...]
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Understanding the Importance: RO Membrane Cleaning in Water Treatment

March 4, 2024 · By Nathan Olszak
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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OSMO BEV RO MEMBRANES CONSOLIDATION

March 3, 2024 · By Nathan Olszak
Consolidation Of BEV RO Membrane Elements Recently Veolia announced that they were going to be consolidating BEV Elements in efforts to simplify their spiral wound membrane products portfolio. Many of the consolidated elements have near identical performance and operations. All the new elements are NSF/ANSI Standard 61 certification.   OSMO BEV MEMBRANES have been used [...]
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Industrial Water Treatment: Solutions & Technologies

January 29, 2024 · By Nathan Olszak
From healthcare to power generation to beverage production, a wide variety of industries rely on having access to clean and purified water to ensure that their processes can remain functioning efficiently and effectively. Water purity is not only important but is essential for these industries to produce products and services that are safe for consumers [...]
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Key Industries that Benefit from Deionized Water

January 29, 2024 · By Nathan Olszak
What is deionized water and why is it important? Deionization is the removal of ions through the chemical process where ion-exchange resins switch out hydrogen and hydroxyl ions for the dissolved materials. Deionized water is water that has been treated to remove all these ions and total dissolved solids. This means once the exchange has [...]
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Challenges in Treating Boiler Feedwater for Power Plants

December 1, 2023 · By Nathan Olszak
For the non-scientific mind, chemical processes and the handling of large scale technological devices can be challenging to comprehend, which is why here at Complete Water Solutions, we want to help you understand why we offer our services and how it works. In this blog, we will discuss what boiler feedwater is, why it is [...]
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Why Pure Filtered Water is Important

November 1, 2023 · By Nathan Olszak
Water is an essential resource in manufacturing industries, playing a pivotal role in various production processes. The quality of water used in manufacturing can significantly impact the final product's quality, production efficiency, and overall cost-effectiveness. In this blog post, we will explore the importance of using filtered water in manufacturing processes and the numerous benefits [...]
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How RO Systems Can Reduce Restaurant Costs

October 10, 2023 · By Nathan Olszak
Owning a restaurant can be exciting, but also a bit stressful when things go awry. The last thing you as a restaurant owner need to worry about is the water used in your restaurant. A water filtration system is the perfect way to ease your worries about the state of your water. The water filtration [...]
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Liam has joined the Tech Team @ Complete Water Solutions

September 30, 2023 · By Nathan Olszak
CWS is excited to announce Liam has joined the Tech Team Prior to Complete Water Solutions, Liam held a maintenance position at a local manufacturing facility. His skill and dedication to getting the job done are already making an impact here at Complete Water Solutions.  We are excited to have Liam  part of the team. [...]
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Uses of RO Systems in Pharmaceutical Labs

September 29, 2023 · By Nathan Olszak
In the ever-evolving landscape of pharmaceutical research, precision, accuracy, and reliability are crucial. Laboratories working within this industry demand the purest form of water to ensure the quality and integrity of their experiments and analyses. Reverse Osmosis (RO) systems have emerged as a cornerstone technology in providing the necessary deionized water, with a range of [...]
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Childhood Cancer Fundraising Drive 2023

September 9, 2023 · By Nathan Olszak
Complete Water Solutions Childhood Cancer Fundraising Drive 2023     At Complete Water Solutions, we believe that a small business is more than just a small business, it’s a family. It’s in the spirit of family that we have chosen to announce our 2023 fundraising drive benefiting Children’s Wisconsin’s MACC Fund Center for Cancer and Blood [...]
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