Humboldt Waste Management Authority — Household Hazardous Waste
HWMA receiving-facility and HHW services. HWMA does not provide curbside collection or bin rental; use the local franchise hauler for those services.
Hawthorne Street HHW receiving program, closed noon–1 pm. Check specific material exclusions and contact the hotline before transporting damaged containers.
- Availability · Household material limits
- Resident drop-off limit: 15 gallons or 125 lb; liquid volume is based on container size.
Source & saved evidence
Waste service — Household material limits
Residents may drop off up to 15 gallons, or 125 pounds of household hazardous waste.
Agent source review: October 15, 2026 · Snapshot
1ecf951d6fdf537a - Availability · Medication exclusion
- HWMA facilities do not accept prescription or over-the-counter medications; use a medication-specific collection program.
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Waste service — Medication exclusion
Pharmaceuticals, whether prescription or over the counter will not be accepted at HWMA's facilities.
Agent source review: October 15, 2026 · Snapshot
1ecf951d6fdf537a
Before you start · 1 requirement & conditions
- Appointments · Business hazardous waste
- Business hazardous waste is by appointment Monday–Friday.
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Waste service — Business hazardous waste
Business by appointment only Monday - Friday
Agent source review: October 15, 2026 · Snapshot
1ecf951d6fdf537a
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Waste service — HHW receiving facility — materials, hours and hotline
Residential customers may drop off hazardous materials Monday thru Saturday from 8 am until noon and from 1 pm until 3 pm.
Agent source review: October 15, 2026 · Snapshot 1ecf951d6fdf537a