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Household hazardous waste disposal

Household hazardous waste disposal.

Before you start

Use the collection service for your address; a county listing does not establish a pickup day.
Check holiday notices and accepted materials with the provider before setting out bins or visiting a facility.

1 guide with reviewed service links · San Luis Obispo

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County government · San Luis Obispo

Environmental Health — County HHW Resources

County HHW resource guide, implemented by IWMA. Facility access differs: Heritage Ranch is restricted to Heritage Ranch residents. Business disposal is a separate program.

HHW receiving sites — current facility hours and restrictionsOfficial instructions

Official county referral to IWMA receiving facilities. Check each site’s HHW hours rather than general landfill hours.

Cold Canyon HHW and e-waste

Cold Canyon HHW/e-waste receiving: Monday, Tuesday, Thursday, Friday and Saturday 8 am–3 pm.

Official information checked October 15, 2026 · Details & sources

Source checked October 15, 2026

County / official waste program · Household Hazardous Waste Disposal Information - County of San Luis Obispo (opens in a new tab)

Waste service — HHW receiving sites — current facility hours and restrictions

This program is implemented by the San Luis Obispo County Integrated Waste Management Authority.

Saved evidence: c0241705486af4cb · Agent source review

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