Why Choose WesTech?

In a world where water is our most critical resource, we provide engineering expertise to achieve the best solutions for optimizing your plant’s water treatment processes – always with a commitment to worker safety.


At WesTech, we think of liquid/solids separation in new ways. Our decades of experience in equipment engineering and passion for problem solving means we have the complete range of equipment to provide our customers with not just a solution, but the best solution.

We meet the water treatment, liquid/solids separation, and biological treatment needs of municipal, industrial, and minerals clients worldwide, and in fact, we are one of the biggest municipal equipment companies in the USA. Founded in 1973, WesTech has over 600 employees around the world.

We offer a wide range of solutions and services that spans everything from clarification, thickening, and minerals processing to plant operations and turnkey and mobile/rental systems. Our commitment to service means we form long-term working relationships to meet and exceed your expectations, focusing on:

  • Municipal water — Our municipal water solutions treat groundwater and surface waters for potable use. Depending upon your raw-water quality, flow rate, and operational preferences, we provide conventional treatment systems, combination- and customized-treatment solutions, package plants, and high-rate processes.
  • Municipal wastewater — With nearly a half century of experience in municipal wastewater treatment, we have thousands of installations that provide clarification, biological treatment, anaerobic digestion, tertiary treatment, thickening, and stormwater treatment.
  • Industrial water treatment — We offer a comprehensive line of process solutions for numerous market sectors, including chemical, petrochemical, and refineries; energy and power, food processing, and pulp and paper. We provide a wide range of solutions, including (but not limited to) pretreatment, filtration, wastewater, and solids dewatering/washing systems. In addition, we provide process-water treatment solutions such as boiler feedwater systems. We offer best-in-class products and complete treatment solutions, including installation and plant operations.
  • Metals, steel, mining, and minerals water treatment — Our mining and minerals and metals and steel installations span the globe and include treatment staples such as traditional liquid/solids separation and thickening, as well as newer technologies such as our patented feedwell. Whether you’re looking for a specialized system or a complete turnkey solution, we have the expertise and experience to meet your needs. For us, cost-effectiveness and reliability are always top of mind.

When you choose us, you can rest assured that our commitment to you will continue even after your solution is installed and operational. You can count on our Parts and Services department to offer the support you need, when you need it – including retrofits, parts, services, and maintenance.

Learn more about our aftermarket services

Industry Leadership

For decades, WesTech has been an industry leader in solving problems with effective water treatment solutions that improve process efficiency while delivering clean water for the benefit of humanity. Reintroducing the Microfloc and General Filter brands helped further establish WesTech as a leader in the design and manufacture of water treatment equipment for industrial, municipal, and minerals processing.

WesTech also participates in lead-the-way technology development, such as implementing innovative water reuse at industrial treatment facilities, collaborating with universities on alternative processes, and developing solutions that include nontraditional energy production.