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Where Water is Our Passion, Construction is Our Craft

As a leading U.S. contractor in water, wastewater, and industrial water construction projects, we are committed to delivering maximum value to clients and their communities. MWH history dates to the early 19 th century and features some of the world’s most groundbreaking water and wastewater innovations as well as specialization in client-focused collaborative delivery methods.

Featured Projects


Clean water is vital to our world and our future.

Water is critical for our lives, the earth’s ecosystems, and even our technology. With a focus on water, wastewater, and industrial water construction projects, MWH is at the center of that future. Our projects deliver clean water to millions, and we are proud to be building a better world together.


Building a better world wouldn’t be possible without our people…

whose effort and hard work deliver potable water to millions of people. Water and wastewater construction is a dynamic and rewarding industry with a multitude of exciting career paths to pursue. MWH is committed to fostering and investing in the growth of our employees through a culture of safety, opportunity, mentorship, and innovation. We work with you to accomplish your goals, advance your career, and have diverse jobsite experiences. We would love the opportunity to get to know you and your vision.


MWH works with some of the most outstanding water and wastewater construction trade partners.

We know the incredible value of our trade partner’s expertise and their critical role in a project’s success. That’s why we strive to nurture positive long-term working relationships, communicate openly and often, and pay our invoices on time. We also aim for an inclusive future in construction by supporting minority-owned and women-owned enterprises.

Recent News

Another Win for MWH in Saco, ME

Earlier this year, the City of Saco selected MWH as the Construction Manager At-Risk for the $50M Wa...

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Dallas Baseball Game Outing

The Dallas MWH office team recently enjoyed a memorable night at Globe Life Field, cheering on the T...

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Biosolids Digester Facilities Project (BDFP) Boys and Girls Club Juneteenth Event

In celebration ofJuneteenth , the BDFP Team proudly dedicated their time and energy to support the W...

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