The ADC Advantage

For over 30 years, ADC Wastewater Engineering has provided solutions to help our clients win. From turnkey packaged onsite treatment solutions to reclamation and reuse, from residential to recreational: We get it right - on time, the first time.

ADC’s singular focus is wastewater treatment and dispersal. Our systems are efficient, easily constructible, and designed with your project’s unique needs at their core. 

We are relationship builders and knowledge seekers. We don’t throw anything at the wall and hope it sticks, we work shoulder to shoulder with environmental regulators so we can understand and address their concerns from the beginning. The end result? Creative, compliant designs that help you win. 

Our clients drive our pursuit of excellence.

We exist to help you win.

You Win.

testimonials

“They are the best in the business and put their name on their work.  There is nobody better for complex projects.”

Kurt Wilson, Chief Operating Officer | Soundbuilt Homes

“ADC’s professionalism, quick response times, and thorough knowledge of wastewater design, cost, and permitting will be a benefit to any project – large or small.”

Kathy Orni, Forward Planning Manager | D.R. Horton

“I couldn't give a higher recommendation in the industry than I can give for ADC.”

Ty Pendergraft, President | Pendergraft & Associates

“I am very happy and grateful for being able to use such a great company that I can rely on for a great product. My mind can rest easier when I know ADC has been involved in helping us make our system better and safer for all.”

Harley Hill, NW Region Maintenance Manager | Washington State Parks