Gulf Coast Testing's Certification Program

Gulf Coast Testing's Certification Program provides certification for residential wastewater treatment units according to the requirements of NSF/ANSI Standard 40NSF/ANSI Standard 46, NSF/ANSI Standard 50, NSF/ANSI Standard 245, and NSF/ANSI Standard 350. The scope of services offered under this program include:

  • · Certification of new units
  • · Certification of equipment for units
  • · Continuing compliance for units previously tested
  • · Engineering evaluations for units previously tested

Wastewater treatment units listed as Certified by Gulf Coast Testing comply with all requirements of the ANSI/NSF standard referenced in the publication and display the Gulf Coast Testing Mark as proof of certification. Download the GCT Mark here.

You can view our Gulf Coast Testing Certification by clicking here

Certification Documents:
In addition to the Application for Certification in the Certification Process below, the following documents are used by GCT in the Certification Process:

Certification Process:
Gulf Coast Testing, LLC is an ANSI accredited certification for residential wastewater treatment units and associated wastewater equipment.  Once you contact GCT either by phone, fax, or email or filling out an online application, we will quickly respond with the appropriate information regarding our certification program. This information includes: a quote on the cost, the approximate timing, an application for certification, and a general list of certification requirements. Payment of the initial fee and the filled-out application starts the official process of becoming certified by Gulf Coast Testing. 

Once the appropriate paperwork is completed, the wastewater treatment system is tested for conformance to the applied standard. This includes evaluation all equipment, approval of the product manuals, and inspection of the manufacturing facility. Completion of all testing, reviewing, inspecting, and any corrective actions, will result in issuing a Certification Certificate.

An annual Continuing Compliance inspection of the manufacturing facility is required, as well as a retesting of the wastewater treatment system every seven years to maintain certification.

Get Your Company Certified:
In order to get one or more of your company's models certified, you must fill out an application.

To start the process, click on this link for our  online application.

Contact us

14378 Park Avenue Prairieville, Louisiana 70769