We help people improve the way they 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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Event Stormwater Webinar: Which BMP? It Depends on What You're Trying to Remove.

What are you trying to get out of your stormwater? Sediment? Trash? Hydrocarbons? Metals? Nutrients? All of the above?

Stormwater
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Trash study Hydro International
News Second Annual Trash Cleanup to be used in Study

Our Portland, Maine team spent a day cleaning up the Long Creek Watershed, and will study the trash collected to improve the way we treat stormwater.

Posted on 
15 May 2017
Stormwater
Stormwater Treatment Laboratory
News Accelerating Discovery! Expansion of our Hydraulics Laboratory

We just can’t leave good enough alone.

Posted on 
08 May 2017
Stormwater
Stormwater treatment in theme parks
News Downstream Defender® Installations at Disneyland®

Two 4-ft Downstream Defenders were installed in the parking lot of Disneyland theme park in Anaheim, California this month.

Posted on 
17 April 2017
Stormwater
News What do Stormwater Industry Insiders Predict will Happen to the EPA?

A recent poll regarding the future of the EPA yielded the following answers. What do you think?

Posted on 
11 April 2017
Stormwater
Trump, Pruitt slash EPA budget
News Are you concerned about the future of the EPA? Take this survey and tell us what you think.

Complete our short online survey to share your opinion on the issue.

Posted on 
05 April 2017
Stormwater
Event KY-TN WEA Conference

Visit Hydro International at the Kentucky / Tennessee WEA Conference July 9th-12th in Lexington, Kentucky. 

Tradeshow
Metals manufacturing - industrial storwmater
News Great News for Industrial Facilities over their Benchmarks!

Industrial facilities over their effluent stormwater limits for heavy metals and other pollutants are often confused about their treatment options.

Posted on 
06 March 2017
Stormwater