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24/7 Emergency Support: 225-673-3156 Preparing for Hurricane Francine Hurricane Ida Storm Recovery Rider

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.

Pay My Bill

Pay utility bills quickly and easily through our online bill pay portal.

Contact Support

We offer 24/7 emergency customer support. Call or email us any time.

View Services

Our experienced team can provide a wide array of sewer services, maintenance and repairs.

Read FAQs

Learn more about how to maintain your sewer system and address issues.

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!

Download the brochure

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.

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