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

For Hawaii, general hazardous chemical threshold is not less than 10,000 pounds; ehs threshold is not less than 500 pounds, or the threshold planning quantity (TPQ), whichever is less; report name is HCI/Tier II Form; filing deadline is March 1, verified against its source on 2026-09-22.

- **State:** Hawaii
- **General hazardous chemical threshold:** not less than 10,000 pounds _(verified: appears in its own passage below)_
- **EHS threshold:** not less than 500 pounds, or the threshold planning quantity (TPQ), whichever is less _(verified: appears in its own passage below)_
- **Report name:** HCI/Tier II Form _(verified: appears in its own passage below)_
- **Filing deadline:** March 1 _(verified: appears in its own passage below)_

## What the source says

> All hazardous substances, except for extremely hazardous substances, present at the facility in amounts not less than 10,000 pounds;

## Where each value comes from

This source states these in separate places, so each value is shown with the passage that states it.

### General hazardous chemical threshold

> All hazardous substances, except for extremely hazardous substances, present at the facility in amounts not less than 10,000 pounds;

### EHS threshold

> All extremely hazardous substances (EHSs), in amounts not less than 500 pounds, or the threshold planning quantity (TPQ), whichever is less;

### Report name

> An owner or operator that is required to report shall submit a HCI/Tier II Form before March 1 of each year for the previous reporting year.

### Filing deadline

> An owner or operator that is required to report shall submit a HCI/Tier II Form before March 1 of each year for the previous reporting year.

## Source

- https://health.hawaii.gov/heer/submit-documents-to-heer/submit-a-hepcra-tier-ii-report/

Last verified: 2026-09-22. Review by: 2027-09-22.
Part of [EPCRA Tier II hazardous chemical inventory reporting thresholds by state](https://referencesource.org/epcra-tier-ii-state-reporting-thresholds/).