# Small Quantity Generators (SQGs) — Hazardous waste generator categories — federal vs California vs Washington thresholds and obligations

For Small Quantity Generators (SQGs), authority is EPA (federal, 40 CFR 262.13); quantity threshold is more than 100 kilograms, but less than 1,000 kilograms of hazardous waste per month; key obligations is SQGs may accumulate hazardous waste on-site for 180 days without a permit (or 270 days if shipping a distance greater than 200 miles). The quantity of hazardous on-site waste must never exceed 6,000 kilograms, recorded from its source on 2026-08-11.

- **Authority:** EPA (federal, 40 CFR 262.13) _(our reading, not quoted from the source)_
- **Generator category:** Small Quantity Generators (SQGs) _(verified: appears in the quote below)_
- **Quantity threshold:** more than 100 kilograms, but less than 1,000 kilograms of hazardous waste per month _(verified: appears in the quote below)_
- **Key obligations:** SQGs may accumulate hazardous waste on-site for 180 days without a permit (or 270 days if shipping a distance greater than 200 miles). The quantity of hazardous on-site waste must never exceed 6,000 kilograms. _(verified: appears in the quote below)_

## What the source says

> Small Quantity Generators (SQGs) generate more than 100 kilograms, but less than 1,000 kilograms of hazardous waste per month. Major requirements for SQGs include: SQGs may accumulate hazardous waste on-site for 180 days without a permit (or 270 days if shipping a distance greater than 200 miles). The quantity of hazardous on-site waste must never exceed 6,000 kilograms.

## Source

- https://www.epa.gov/hwgenerators/categories-hazardous-waste-generators

Last verified: 2026-08-11. Review by: 2027-08-11.
Part of [Hazardous waste generator categories — federal vs California vs Washington thresholds and obligations](https://referencesource.org/hazwaste-generator-category-thresholds/).