We help you improve the way you process, treat and manage water.

With over 30 years of experience and a reputation for engineering excellence, businesses and public organizations all over the world rely on our stormwater, wastewater, flood control and CSO products and services to increase operational performance and reduce environmental impact.

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First Defense OGS Verified by ISO 14034 Standard
News First Defense OGS Verified by ISO 14034 Standard

First Defense® Oil Grit Separator (OGS) is the first stormwater treatment separator to be verified through the new ISO 14034 s

Posted on 
07 November 2018
Stormwater
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News Hydro International welcomes new CFO and Chairman

We are delighted to welcome Chris Bates and Bill Wilson to the company.

Posted on 
01 November 2018
News Hydro MicroScreen Wins Top Industrial Project Award!

The Hydro MicroScreen™ was selected to win a Top Project award from Industrial Water & Wastes Digest for our system at Foster Farms – Chicken Chimichanga & Burrito Processing Facility​ in Compt

Posted on 
29 October 2018
Industrial Water Treatment
News Hydro International offers industry-leading water resources modeling software

We've acquired Oxford Scientific Software, developers of the Aquator water resources modeling software.

Posted on 
15 October 2018
Water Resources
News Hydro International appoints Michael Jennings as Chief Executive

We're pleased to announce today that Michael Jennings has been appointed to the role of Chief Executive.

Posted on 
03 September 2018
News California Water Board Approves Full Trash Capture BMPs

The California Water Board has approved the use of three Hydro International Stormwater treatment

Posted on 
08 August 2018
Stormwater
News Hydro BMPs Selected for Dozens of Top Vehicle Dealerships

Engineers have specified our stormwater separators and filters to treat stormwater runoff leaving dozens of the top vehicle dealerships across North America. Our systems’ proven ability to remove sediment, oil and trash have made us a trusted partner t

Posted on 
06 August 2018
News Hydro-Brake Optimum design tool launched for US engineers

Our new online tool makes it easy for engineers to design and specify customized flow control valves for US LID and flood protection projects. 

Posted on 
26 February 2018
Flow control