Waterman

Waterman: American-Made Water Control Solutions Since 1912

Waterman, a legacy brand of McWane Plant & Industrial, has been a trusted name in engineered flow control solutions for over a century. Founded in 1912, Waterman is a premier U.S. manufacturer of precision water control gates and valves designed for municipal, industrial, and environmental infrastructure projects. With a reputation for quality, customization, and performance, Waterman serves a wide range of applications including water treatment, wastewater management, flood control, irrigation, and headworks systems.

Construction workers in safety vests and helmets stand on a platform at an industrial site, inspecting machinery and metal structures under a partially finished roof.

Made in the USA: Quality You Can Trust

All Waterman products are proudly designed, fabricated, and tested in company-owned, U.S.-based facilities. Our flagship manufacturing plant in Exeter, California—operational since 1963—has been fully modernized with advanced CNC machining, robotic welding, and ISO-certified quality systems. This domestic production model ensures faster lead times, consistent quality, and full compliance with AWWA and NSF standards.

Comprehensive Product Portfolio

Waterman offers the industry’s most extensive lineup of water control gates and valves, including:

  • Slide Gates: AWWA-rated stainless steel, aluminum, and cast iron
  • Radial (Tainter) Gates: For high-volume flow control
  • Butterfly Gates: Fabricated rectangular designs for tight shutoff
  • Automatic Level Control Gates: Self-regulating for consistent flow
  • Overshot & Tilting Weir Gates: Ideal for flow modulation
  • Tide Gates: Self-regulating for coastal and stormwater applications
  • Stop Logs & Stop Gates: Modular and customizable
  • Telescoping Valves: For tank and basin level control
  • Shear Gates: Compact and reliable for low-head applications

All Waterman solutions are adaptable to manual, electric, pneumatic, or hydraulic actuation, offering unmatched flexibility for both new installations and retrofits.

Custom Engineering & Project Support

Waterman’s experienced engineering team collaborates closely with civil engineers, utilities, contractors, and government agencies to develop tailored solutions that meet the unique demands of each project. From CAD design and submittal packages to on-site support and installation guidance, Waterman delivers end-to-end service that ensures long-term performance and customer satisfaction.

Why Choose Waterman?

  • Over 100 years of manufacturing excellence
  • Fully U.S.-based design, fabrication, and testing
  • AIS/BABA-compliant for federally funded projects
  • Fast lead times and responsive customer service
  • Proven performance in critical infrastructure environments