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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
ge osmonics e8-57k, complete water solutions, e8-57k

GE Osmonics E8-57K Reverse Osmosis System

May 22, 2017 · By Nathan Olszak
Poultry Food Manufacturer – RO System Complete Water Solutions was awarded the contract to provide a GE Osmonics E8-57K Reverse Osmosis System. Under pressing DNR Chloride Restrictions customer has been looking for ways to reduce their overall chloride reduction. Complete Water Solutions was able to find several cost-effective measures to help reduce chloride reduction and [...]
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ecowater, ecowater dealer, complete water solutions

Complete Water Solutions Now an Ecowater Dealer

April 12, 2017 · By Nathan Olszak

Featured Ecowater Products   ERO 375 Reverse Osmosis Reverse Osmosis (RO) drinking water systems provide high-quality water for worry-free drinking or cooking. This state-of-the-art filter will improve the quality of water from wells or municipal water supplies. Industry rated, 50 gallons per day membrane production rate, (actual production rate will vary depending on water usage […]

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ro system installation, complete water solutions, reverse osmosis system installation

Complete Water Solutions Awarded Two (2) 100 GPM RO Systems

March 16, 2017 · By Nathan Olszak
Complete Water Solutions was selected by a leading pharmaceutical company to provide a new water treatment system, two 100 GPM RO Systems. Complete Water Solutions is providing (4) Fleck 3900 Water Softener Systems, (4) Fleck 3900 Carbon Filtration Systems and (2) 100 GPM Reverse Osmosis Systems. The Two 100 GPM RO System Specs The RO [...]
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Complete Water Solutions is Now an Elite Channel Partner with GE Water

January 17, 2017 · By Nathan Olszak
At the close of 2016, Complete Water Solutions and GE Water & Process Technologies – signed an Elite Channel Partner agreement. This agreement allows Complete Water Solutions to supply GE RO Systems, Membranes, Pre-Filters & RO Chemistry. GE Elite Channel Partner We see tremendous opportunities to support the growth of industrial water treatment needs throughout [...]
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emergency service, complete water solutions, food manufacturer ro failure

Food Manufacturer Reverse Osmosis Failure

December 30, 2016 · By Nathan Olszak
Food Manufacturer Reverse Osmosis Failure – Emergency Case Study On December 30th at 3:00 PM, our phone rang with an urgent call from a food manufacturer experiencing reverse osmosis (RO) failure. Their system was unable to keep conductivity within specification, threatening production deadlines. With production scheduled to start January 1st, downtime was not an option. [...]
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woman-owned business, complete water solutions, wbe certified

Complete Water Solutions is a Woman-Owned Business

December 14, 2016 · By Nathan Olszak
Complete Water Solutions is certified as a Women’s Business Enterprise by the Women’s Business Enterprise National Council (WBENC), the nation’s largest third-party certifier of the businesses owned and operated by women in the U.S. We recognize the commitment to supplier diversity that is embraced by corporations and government agencies today and we can add diversity [...]
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GE Water For Sale

November 16, 2016 · By Nathan Olszak
GE Osmonics Reverse Osmosis Service – Reliable Support After GE Sale In October 2016, announced plans to sell its Water & Process Technologies division, ahead of merging its Oil & Gas business with Baker Hughes. With GE Water for sale, this left many industrial and commercial water treatment clients uncertain about the future of their [...]
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don decker award, complete water solutions, don decker award

Don Decker Award Achievement

November 9, 2016 · By Nathan Olszak

Journeyman Restricted Plumbing License Awarded by: Nathan Olszak Owner of Complete Water Don Decker joined the Complete Water Team back in October 2015. Don has over 10 years of experience in the water treatment field. One of Don’s personal goals when he joined was to obtain his Journeyman Restricted Plumbing License. We are honored to […]

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A Technical Sales Approach

October 13, 2016 · By Nathan Olszak

Visual inspections and tests to perform when visiting customers By Nathan Olszak In this changing market, one thing is certain: We are all in need of better, faster information. More customers today are requesting solutions to their water treatment equipment problems and they are expecting this information in a timely manner. I have noticed that […]

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Driving Your Sales

October 6, 2016 · By Nathan Olszak
Driving sales in any market can be tough.The 1st step is to simply get in the door. Driving sales in any market can be tough. When it comes to water treatment, providing solutions to your clients is not all that hard once you have gotten through the door. Getting in the door, however, can be [...]
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