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Monday 8am - 4:30pm Tuesday 8am - 4:30pm Wednesday 8am - 4:30pm Thursday 8am - 4:30pm Friday 8am - 4:30pm

Global Water Technology, Inc.

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Calumet City, IL
Global Water Technology, Inc.

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GWT delivers results-driven commercial & industrial water treatment solutions that optimize water, protect critical systems, and power client success.

Trusted nationwide since 1990. GWT is a full service water treatment firm specializing in custom water treatment programs for cooling towers, steam boilers, and closed systems.

10/09/2026

Industrial Water Week has reached Careers Friday, a day dedicated to recognizing the people who make our industry possible and the opportunities that help shape its future. At Global Water Technology, Inc. (GWT), that philosophy is something we value throughout the entire year.

The strength of our company starts with the strength of our people. The work we do across commercial and industrial water treatment depends on knowledgeable, dedicated professionals. That’s why GWT invests in the growth of our team through structured training, mentorship, classroom instruction, hands-on field experience, and professional certification opportunities, including the Certified Water Technologist (CWT) designation offered through the Association of Water Technologies (AWT).

Our industry grows when we share knowledge, support one another, and create opportunities for the next generation of water treatment professionals.

Thank you to all the water treatment professionals who continue to make a difference in our industry every day!

10/08/2026

Wastewater treatment requires a deep understanding of the potential contaminants found in used process water to find the right solution for each facility.

Pollutants such as metals, detergents, oily waste, and other contaminants can create complex wastewater treatment challenges. At Global Water Technology, Inc., our team uses testing and technical expertise to develop customized treatment recommendations based on each facility’s specific needs.

We provide a complete range of chemical, mechanical, and operational wastewater treatment solutions, including coagulants and flocculants, emulsion breakers, dispersants, metal precipitants, and specialized equipment.

This Wastewater Thursday, let’s recognize the expertise and problem-solving that go into turning complicated wastewater challenges into effective treatment solutions.

10/07/2026

Industrial Water Week has officially reached Cooling Wednesday—a day dedicated to highlighting the importance of cooling towers and the treatment strategies that help maintain their performance and efficiency.

Global Water Technology, Inc.'s comprehensive approach to cooling tower treatment addresses microbiological control, freeze protection, corrosion, scale and deposit buildup, system cleaning, passivation, and seasonal lay-up/start-up. Our treatment solutions include oxidizing and non-oxidizing biocides, corrosion inhibitors, dispersants, descalers, chemical tracing, and environmentally conscious treatment options. We also provide cooling tower cleaning and disinfection services to support effective water management and system performance.

Regular cooling tower chemical treatment is an essential part of maintaining system health, as it can help reduce the risk of costly repairs, control microbiological growth, and improve overall cooling tower performance.

10/06/2026

Boiler Tuesday of Industrial Water Week highlights the critical role steam boilers play in many industrial and commercial facilities, making proper water treatment essential for protecting equipment, maintaining efficiency, and supporting reliable operation.

Global Water Technology, Inc. (GWT) provides customized steam boiler water treatment programs designed to address some of the most common challenges facing boiler systems, such as corrosion, scale, condensate corrosivity, and feedwater quality. Our approach can include oxygen scavengers, pH adjusters, scale inhibitors, neutralizing amines, and other custom-formulated treatment solutions aimed at protecting steam systems and helping facilities operate more efficiently.

GWT also offers feedwater pretreatment equipment, including filtration, softening, dealkalization, and reverse osmosis, along with solutions for boiler lay-up, boil-outs, pre-cleaning, and chemical cleaning & de-scaling that help keep your boiler systems operating safely, efficiently, and reliably.

10/05/2026

Today marks the first day of Industrial Water Week, a global celebration of the industrial water treatment profession and the people who make it possible. Global Water Technology, Inc. (GWT) is honored to be part of an industry that helps facilities effectively manage their water and wastewater treatment needs through expertise, innovative solutions, and service.

Pretreatment Monday highlights the products, equipment, and services that help condition water and prepare it for effective treatment.

At GWT, pretreatment is an important part of our comprehensive approach to water treatment. From reverse osmosis anti-scalants and oxidant treatments to water softeners, filtration systems, ion exchange, and RO equipment, we provide solutions tailored to each facility’s unique needs and deliver customized chemical, mechanical, and operational treatment programs, supported by testing and technical expertise.

Industrial Water Week is a great opportunity to recognize the solutions that keep the industry moving, and GWT is proud to provide the products, expertise, and service that make effective water treatment possible.

10/01/2026

This Breast Cancer Awareness Month, Global Water Technology, Inc. remembers those we have lost to breast cancer, celebrates survivors, and stands with those that are still fighting.

Let's continue to raise awareness, encourage regular screenings, and support those affected. Together, we can help promote early detection, better outcomes, and hope for the future.

09/29/2026

Time flies during the summer, but great days on the course are worth looking back on!

Global Water Technology, Inc. was proud to join the The Chief Engineers Association of Chicagoland for its 86th Annual Golf Outing. From our time spent on the course to conversations between swings, the event was a great opportunity to reconnect and form new relationships with industry peers.

We're grateful to the CEAC for another memorable outing and the continued opportunity to support our fellow Chicagoland industry professionals. We're already looking forward to the next event!

09/25/2026

The state of our water affects all of us.

The U.S. Environmental Protection Agency reports that nearly two-thirds of Americans live within 10 miles of polluted water. Protecting water quality and making the most of the water we already have is essential to the health, safety, and sustainability of communities and industries across the country.

At Global Water Technology, Inc., we help businesses protect and conserve water through customized water treatment solutions for cooling towers, boilers, closed-loop systems, wastewater applications, and more. By controlling corrosion, scale, and biological growth while improving efficiency, extending equipment life, and reducing water consumption through reuse and reclamation, we help our clients make every drop work harder.

Protecting water starts with using it wisely. That’s what we’re committed to doing every day.

09/22/2026

What does a headquarters say about a company?

For Global Water Technology, Inc. (GWT), our facility is a reflection of who we are, what we value, and where we're headed.

In case you missed it, GWT was recently featured in The Chief Engineers Association of Chicagoland's magazine The Chief Engineer. In “Beyond the Boiler Room,” we share how our HQ was intentionally designed to embody purpose, confidence, and discipline while supporting our long-term investment in our people, our infrastructure, and the future of the water treatment industry.

Thank you to The Chief Engineers Association of Chicagoland for the opportunity to tell our story and highlight the vision driving GWT's continued growth.

The feature begins on page 28. Click the link in the comments to read the full article and make sure to share it with your network!

09/16/2026

Today marks the official start of Association of Water Technologies (AWT) 2026 Annual Convention & Exposition in Oklahoma City!

Members of Global Water Technology, Inc.'s executive and field teams are onsite and looking forward to networking with fellow water treatment professionals and industry partners from across the country.

From sharing industry knowledge and new discoveries to strengthening professional relationships and enjoying the camaraderie that makes our industry special, we're excited to make the most of this year's convention. We'll see you there!

Address

602 State Street
Calumet City, IL
60409

Opening Hours

Monday	8am - 4:30pm
Tuesday	8am - 4:30pm
Wednesday	8am - 4:30pm
Thursday	8am - 4:30pm
Friday	8am - 4:30pm

Telephone

(708) 349-9991

Website

http://www.gwt-inc.com/

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