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We take care of the mess so you can get back to everyday life.

New Name. Same Service.
Ascension Wastewater Treatment is now under the ownership of National Water Infrastructure.


Our long-term goal is to provide high-quality services while returning the healthiest water possible back into the environment.

We do more than just waste­water treatment

National Water Infrastructure Services has years of experience providing sewer system solutions for the residential, commercial, industrial and municipal sectors. Read more about the services we offer in our brochure and contact us for a quote today!

About Us

We began in 1994 as a small, family-owned sewer utility company called Ascension Wastewater Treatment. Since then, we have grown into one of the largest privately owned sewer utility companies in Louisiana, serving more than 16,000 customers.