DHI, Inc.
DHI, Inc. is the North American subsidiary of DHI Water & Environment, a world leader in the research, development and application of technologies and solutions for water-related issues. With more than 30 years of experience, DHI has established a worldwide reputation for excellence and innovation in the field of water science and engineering, and today we continue to push the envelop in search of better solutions for our clients, for our environment, and for our future.


319 SW Washington Street
Ste 614
Portland, OR 97204
United States
Phone: 503-827-5900
Fax: 503-827-5905

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Computer Software


Are you planning to upgrade your current water/wastewater facilities in the next year?:
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New ideas such as a waterless car wash can be helpful in times of drought
I am an eternal optimist. Some people who know me and work with me may not always agree, but I am. I think this has to... more
Utilizing incentives to alleviate aging infrastructure & workforce concerns
As a former U.S. Environmen­tal Pro­tection Agency (EPA) water official, I am often asked to talk about... more
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