# Louisiana — EPCRA Tier II hazardous chemical inventory reporting thresholds by state

For Louisiana, general hazardous chemical threshold is 500 pounds; ehs threshold is Threshold Planning Quantity (TPQ) if lower than 500 pounds; special categories or chemicals is Used oil must also be reported; filing deadline is March 1, recorded from its source on 2026-08-15.

- **State:** Louisiana _(verified: appears in the quote below)_
- **General hazardous chemical threshold:** 500 pounds _(verified: appears in the quote below)_
- **EHS threshold:** Threshold Planning Quantity (TPQ) if lower than 500 pounds _(verified: appears in the quote below)_
- **Special categories or chemicals:** Used oil must also be reported _(verified: appears in the quote below)_
- **Filing deadline:** March 1 _(our reading, not quoted from the source)_

## What the source says

> Louisiana, the reporting threshold is 500 pounds for any hazardous materials unless the Threshold Planning Quantity (TPQ) is lower, in which case it must be used. In addition to the lower threshold, used oil must also be reported.

## Sources disagree

More than one authority states this, and they do not state the same
thing. Both are reproduced with the source each came from.

### General hazardous chemical threshold

uscompliance.com says general hazardous chemical threshold is **500 pounds**, as of 2026-08-15.

> Louisiana, the reporting threshold is 500 pounds for any hazardous materials unless the Threshold Planning Quantity (TPQ) is lower, in which case it must be used. In addition to the lower threshold, used oil must also be reported.

Source: https://www.uscompliance.com/blog/hazardous-material-storage-reports-with-non-federal-thresholds/

edge-es.com says general hazardous chemical threshold is **500 pounds for any hazardous material unless the TPQ is lower**, as of 2026-08-15.

> Louisiana: 500 pounds for any hazardous material unless the TPQ is lower. Requires attention to both state and parish-level expectations.

Source: https://edge-es.com/epcra-tier-ii-reporting-state-by-state-requirements/


## Source

- https://www.uscompliance.com/blog/hazardous-material-storage-reports-with-non-federal-thresholds/
- https://edge-es.com/epcra-tier-ii-reporting-state-by-state-requirements/

Last verified: 2026-08-15. Review by: 2027-08-15.
Part of [EPCRA Tier II hazardous chemical inventory reporting thresholds by state](https://referencesource.org/epcra-tier-ii-state-reporting-thresholds/).