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.
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 Valves: 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
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Heavy Duty Cast Slide Gates
Waterman Cast Sluice Gates are used in applications where safety and reliable performance are essential (dams, tidal environments, water treatment plants) and where outstanding product longevity is desired. Waterman cast gates are preferred for high-head and high debris environments as well as for critical gateways in treatment plants.
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Fabricated Slide Gates
Waterman fabricated gates are engineered for excellent sealing while providing maximum resistance to corrosion.
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Rectangular Butterfly Gates
VBG Series Rectangular Butterfly Gates allow water control in restricted spaces that prohibit use of a traditional gate, and are also widely specified in applications where a drip-tight seal is required.
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Radial Gates
Overflow or Breastwall-type Radial (Tainter) Gates can be engineered for unique applications or can be manufactured from a standardized Waterman design.
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Stop Logs & Stop Gates
Stop Logs are a simple and economical way to stop flows or regulate levels in channels and canals. Waterman Stop Gates are a simple and economical way to stop flows in channels and canals.
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Level Control Gates
Waterman boasts the broadest selection of sizes, models, and options for every application, and the largest in-house design and manufacturing capability. The design and construction has been proven through thousands of applications.
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Self Regulating Tide Gates
Self Regulating Tide Control Gates are ideal for tidal wetlands preservation and restoration. The gates restore tidal flushing of marshes without flooding of upland property behind dikes and levees.
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Tilting Weir (Overshot) Gates
Waterman Tilting Weir (Overshot) Gates are an overflow-type gate used to control levels in canals, basins and other agricultural, municipal and industrial applications.
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Canal Gates
Canal Gates offer reliable water control on canal and pipeline systems and are built-to-last and designed for years of reliable service, offering a typical field life exceeding 40 years.
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Gate Lifts & Controls
Waterman offers a complete range of lifting and actuating devices – both manual and automated – to control our gates and valves. Our engineers can recommend the correct Waterman lift to meet or exceed the standards set by AWWA.
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H-30 Cast Iron Line Gates
Built for direct installation into pipelines to eliminate the use of capped stands or standpipes.
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Specialty Water Control
We offer telescoping valves, automatic siphons and hydrostatic pressure relief vavles.
