Water & Wastewater

Sustainable Solutions for Our Most Important Resource

Water is the life source of every community, and our mission is to help preserve it by creating and maintaining safe, efficient, and sustainable water facilities and processes. Parsons is working to transform the industry through some of the most complex water and wastewater projects in the world. We’ve built recycled wastewater treatment plants with membrane bioreactor (MBR) technology, we’ve constructed advanced ultraviolet (UV) disinfection facilities, and we’ve used reverse osmosis (RO) processes to transform saline water into millions of gallons of clean, drinkable water.

As a full-service partner in implementing conventional and advanced water and wastewater treatment technologies, we help our clients through both traditional and alternative delivery methods, including public-private partnerships, design-build, and construction management at-risk. Today’s water management challenges require innovative solutions, and we specialize in tailoring them to sustainably meet the needs of a growing population.

Conventional and Advanced Technologies

Our world-class portfolio offering of water and wastewater services includes the following:

Water resources. Our expertise involves a wide range of services, from availability studies to National Pollutant Discharge Elimination System (NPDES) permitting, wetlands delineation, and coastal restoration.

Water. Covering all aspects of storage, treatment, conveyance, and membrane treatment systems, including desalination, we deliver innovative solutions to give our clients what they need.

Wastewater and water reuse. Clean water is essential, and we help keep it that way through sewers, pump stations, and wastewater treatment plants, as well as a range of advanced processes in liquid and biosolids treatment and handling.

Industrial wastewater. Industry produces wastewater, and our job is to ensure that it’s handled the right way, without harming the environment. From engineering and construction services to detailed design and construction management, we offer state-of-the-art technology and solutions to the oil and gas, chemical, petrochemical, manufacturing, and life-science industries.

Although more than 70 percent of the earth is covered by water, only a very small portion of that percentage is usable fresh water—which is essential to life as we know it. That’s why we’re continually striving to develop new and better ways to take care of this precious resource.

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