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NEW Sizing Calculator!

Engineers and Design Consultants - find the best Stormwater Separator size for your site.

HeadCell / SlurryCup / Grit Snail

The industry leading, high performance grit removal system.

Hydro-Sludge™ Screen

A horizontal in-line coarse material separator comprising an inlet screening zone and a pressing zone.

Find a Solution with 'Hydro Town'

An interactive tool where you can find Hydro's solutions to a wide range of water management problems

An Innovative Flood Control Solution

Hydro International Vortex Flow Controls. Part of Glasgow City’s Council’s $84 million flood prevention plan.

Welcome to Hydro International

Hydro International offers innovative products for the cost-effective treatment and control of water, wastewater, and stormwater.

Hydro's products use state of the art design to provide optimized solutions for wastewater treatment plants, combined sewer systems, and municipal separate storm sewer systems (MS4s). Hydro products are also well suited for many types of industrial, drinking water, and agricultural applications. Hydro products improve the performance of water and wastewater treatment facilities, control flow quantity, and improve the quality of water.

Through the application of advanced vortex and complementary technologies Hydro International’s line of products provide economical solutions to the challenging problems our clients face.

HX is the essence of Hydro. It’s interwoven into every strand of Hydro’s story, from our products to our people, our engineering pedigree to our approach to business and problem-solving. HX is a stamp of quality and a mark of our commitment to optimum process performance. A Hydro solution is tried, tested and proven.

There is no equivalent to Hydro HX.

Find out more about Hydro HX.

Latest News

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The Downstream Defender®, an advanced hydrodynamic separator for stormwater treatment from Hydro International has now been certified by the New Jersey Department of Environmental Protection to function at 25% higher stormwater flow rates. This advancement offers engineers and contractors the potential to save 44% - 125% more space on their site, helping to reduce time and overall project costs.

Latest Events

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Minneapolis, MN. Hydro International will be exhibiting its stormwater products at the 2015 MNWRA Conference being held at the Saint Paul RiverCentre.
Beacon, NY. Hydro International will be exhibiting its stormwater products at the 15th Annual Southeast New York (SENY) Stormwater Conference and Trade Show. The 2015 conference will be held at the Dutchess Manor overlooking the Hudson River.