What is the purpose of the UST‑6 form?

The UST‑6 certifies that a new or modified underground storage tank complies with North Carolina environmental regulations before installation.

Can I submit the form electronically?

Yes. After filling it out with Formize, you can download the completed PDF and upload it through the DEQ online portal, or print and mail it if required.

Do I need a digital signature?

A digital signature is accepted for most submissions. Use the signature field in the Formize filler to add your electronic signature.

What supporting documents are required?

Attach tank design drawings, installation permits, and any previous inspection reports as specified in the attachment sections of the form.

Is there a fee to file the UST‑6?

The UST‑6 itself does not carry a filing fee, but DEQ may charge processing fees for related permits or inspections.

How long does it take to process the form?

Processing time varies, but DEQ typically reviews a completed UST‑6 within 10‑15 business days after receipt.

What if I make a mistake after submitting?

Contact the DEQ UST program office to request a correction. You may need to submit an amended UST‑6 with a cover letter explaining the changes.

Can I save my progress and return later?

Yes. The Formize filler lets you save a draft locally on your computer and resume editing at any time before final submission.

UST‑6 Application Form – Fillable PDF

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The UST‑6 Application Form is required by the North Carolina Department of Environmental Quality (DEQ) for owners and operators of underground storage tanks (USTs) who need to certify pre‑installation information, report modifications, or request approvals. This page gives you everything you need to download, fill out, and submit the form quickly using Formize’s online PDF filler.

What is the UST‑6 Form?

The UST‑6 is a certification and pre‑installation questionnaire that ensures UST systems meet state environmental standards. It collects details about tank location, design, materials, and compliance measures. Submitting a correctly completed UST‑6 helps avoid penalties and keeps your operation compliant with North Carolina regulations.

How to Fill Out the UST‑6 Online

Instead of printing the PDF and using a third‑party editor, simply click the "Fill out this form" button on this page. The Formize PDF Filler app will load directly in your browser, allowing you to type, select dates, and sign electronically.

Common Mistakes to Avoid

Leaving required fields blank – the filler will highlight missing information before you can submit.
Using outdated tank specifications – double‑check that the data matches the most recent engineering drawings.
Forgetting to attach supporting documents – upload any required permits or inspection reports in the designated attachment sections.

Download the Fillable PDF

If you prefer to work offline, you can download the official UST‑6 PDF using the link below. The file is fully fillable with standard PDF readers, but we recommend the online Formize filler for a smoother experience.

Download UST‑6 Application Form (PDF)

FAQs About the UST‑6 Application

Find quick answers to the most common questions below. If you need further assistance, consult the DEQ guidance documents linked on the form.

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FAQ

What is the purpose of the UST‑6 form?
The UST‑6 certifies that a new or modified underground storage tank complies with North Carolina environmental regulations before installation.
Can I submit the form electronically?
Yes. After filling it out with Formize, you can download the completed PDF and upload it through the DEQ online portal, or print and mail it if required.
Do I need a digital signature?
A digital signature is accepted for most submissions. Use the signature field in the Formize filler to add your electronic signature.
What supporting documents are required?
Attach tank design drawings, installation permits, and any previous inspection reports as specified in the attachment sections of the form.
Is there a fee to file the UST‑6?
The UST‑6 itself does not carry a filing fee, but DEQ may charge processing fees for related permits or inspections.
How long does it take to process the form?
Processing time varies, but DEQ typically reviews a completed UST‑6 within 10‑15 business days after receipt.
What if I make a mistake after submitting?
Contact the DEQ UST program office to request a correction. You may need to submit an amended UST‑6 with a cover letter explaining the changes.
Can I save my progress and return later?
Yes. The Formize filler lets you save a draft locally on your computer and resume editing at any time before final submission.

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Så här fyller du i UST-6 form gratis, online i 5 enkla steg:

1
Click the Fill Out Button
On this page, click the "Fill out this form" button to launch the Formize PDF Filler.
2
Wait for the Filler to Load
The browser will open the fillable PDF inside the Formize app – no download required.
3
Complete All Required Fields
Enter the requested information, select dates, and use the drop‑down menus where applicable.
4
Review and Sign
Check each section for completeness, then add your electronic signature in the designated field.
5
Submit or Save
When finished, click "Submit" to send the form to DEQ (if supported) or download the completed PDF for manual submission.

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