Commercial

Commercial kitchen staff preparing food at a countertop.

Food Preparation Discharge Permit Application - Cover Letter

This letter must accompany the permit application.

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Commercial kitchen staff preparing food at a countertop.

Food Preparation Discharge Permit Application

Please fill out the application and submit it with the cover letter.

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Open industrial grease trap containing wastewater and grease buildup.

SIU Discharge Permit Application

Please fill out the form and submit the application.

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Flowing water representing wastewater movement through a sewer system.

Wastewater Questionnaire

Commercial & industrial users, please fill out and submit the questionnaire.

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Diagram showing how a grease interceptor separates grease, solids, and wastewater before entering the sewer system.

Cleaning A Grease Interceptor (Frequency)

Guide to frequency of Maintenance.

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Technicians cleaning and pumping grease interceptors in commercial kitchen environments.

How to clean a Grease Trap

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Illustration warning not to pour fats, oils, or grease down a drain.

F-O-G

FAQs for F-O-G

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Diagram showing a one-stop shop for government services, including appointments, walk-ins, phone, email, and digital forms.

Other Main Points of Contact in Merrillville

Print the current list of local government offices.

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