The new address for our Walnut Creek office is 1501 N Broadway, Suite 210, Walnut Creek, CA 94596

Experience a new standard in water treatment
Representing Quality Equipment for the Treatment of Water and Wastewater for More Than 40 Years
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We partner with our clients, engineers, contractors, and manufacturers to provide the best treatment
solutions for water and wastewater, now and into the future.

Who we are

For nearly 40 years, Coombs-Hopkins has provided water and wastewater treatment expertise for projects big and small.

With 20 employees and office locations throughout the western states, we are ready to assist you.

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Who we represent

Coombs-Hopkins is proud to represent the best manufacturers in the water and wastewater industry. Partnering with top of the line leaders is our priority.

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Our projects

View highlights from a few of our recently completed water and wastewater projects.

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Our locations

Learn more about the products we represent in each area.

Salt Lake City
Walnut Creek

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What our clients say

Chris Christean
Plant Manager, Ironhouse
Sanitary District, Oakley, CA

Coombs-Hopkins has been a great resource for ensuring the continued reliability of the Ironhouse Water Recycling Facility