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Louisiana Tier II reporting: how and where to file
Online filing is the norm; small businesses may still file on paper. A state filing fee is calculated in the online Filing Worksheet and paid by check, money order or credit card; a copy of the invoice is mailed to the Office of Management and Finance even when paid by card or exempt. LEPCs may charge local fees.
From Louisiana State Police, Right-to-Know Unit, read on the state's own page · September 26, 2026
What Louisiana asks for
Each point below is followed by the state's own words, so you can check it against the source.
How to file
Online filing is the norm; small businesses may still file on paper.
“Small businesses are strongly encouraged to report their chemical inventory electronically.” source
“For small businesses choosing paper submission, refer to the Fees Calculation Worksheet on the Right-to-Know website for directions.” source
Fees
A state filing fee is calculated in the online Filing Worksheet and paid by check, money order or credit card; a copy of the invoice is mailed to the Office of Management and Finance even when paid by card or exempt. LEPCs may charge local fees.
“The results page will show your fee amount, and will give you the option to pay with check, money order, or credit card.” source
“If you paid by credit card or are exempt from filing fees, you still need to mail a copy of your invoice to the Office of Management and Finance.” source
“Contact your Local Emergency Planning Committee for information regarding local fees.” source
State thresholds
Louisiana's threshold is 500 pounds of a hazardous chemical, far below the federal threshold, and lower still for an extremely hazardous substance whose threshold is lower.
“The threshold inventory quantity for Louisiana is at or above 500 pounds unless the threshold quantity for an Extremely Hazardous Substance is lower.” source
The federal rule underneath
EPCRA section 312 applies to a facility that the OSHA HazCom Standard requires to keep an SDS for a hazardous chemical present at any one time at or above 10,000 lb, or at or above 500 lb or its threshold planning quantity, whichever is lower, for an extremely hazardous substance (40 CFR 370.10(a)). The report covers the previous calendar year and is due March 1 (40 CFR 370.45). Where Louisiana's rules above are stricter, they apply on top.
The full federal picture, Tier I versus Tier II, counting and penalties, is on the EPCRA Tier II hub. The list that feeds it is the chemical inventory.
HazComFast keeps each jobsite's chemical quantities next to its safety data sheets and exports the Tier II data as an Excel workbook, a CSV file and a PDF summary.
Louisiana Tier II FAQ
How do I file Tier II in Louisiana?
Online filing is the norm; small businesses may still file on paper.
Does Louisiana charge a Tier II fee?
A state filing fee is calculated in the online Filing Worksheet and paid by check, money order or credit card; a copy of the invoice is mailed to the Office of Management and Finance even when paid by card or exempt. LEPCs may charge local fees.
Does Louisiana use the federal Tier II thresholds?
Louisiana's threshold is 500 pounds of a hazardous chemical, far below the federal threshold, and lower still for an extremely hazardous substance whose threshold is lower.
More on Louisiana
Tier II in other states
Sources
- lsp.org/media/hwspyxqu/rtk-faq.pdf
- lsp.org/media/ap5nvvli/how-to-enter-and-submit-a-tier-ii-inventory-report.pdf
- ecfr.gov/current/title-40/part-370
Louisiana's requirements read on the state's own page on September 26, 2026; 40 CFR part 370 read on the eCFR the same day. States change portals and fees; confirm with Louisiana State Police, Right-to-Know Unit before you file. General guidance, not legal advice.
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