Press Release
FOR IMMEDIATE RELEASE
Contact: Sasha Del Giorgio
Email: sdelgiorgio@iwma.com
December 19, 2025
San Luis Obispo County, CA -- The San Luis Obispo County Integrated Waste Management Authority (IWMA) is pleased to announce expanded hours for Hazardous, Electronic, and Universal Waste disposal at the Cold Canyon Landfill, beginning January 2, 2026. These improved hours follow extensive feedback from residents and businesses and reflect the IWMA’s commitment to reducing waste to preserve and enhance a safe and healthy environment in San Luis Obispo
The updated schedule for residential drop-off significantly increases availability beyond the current Friday and Saturday 11:00 AM – 3:00 PM window. Starting in January, the facility will be open for residential waste drop-off:
Monday, Tuesday, Thursday, Friday, and Saturday
8:00 AM – 3:00 PM
Residents of San Luis Obispo County may drop off up to 15 gallons or 125 pounds of hazardous waste per visit, at no cost.
Businesses will continue to make an appointment to dispose of Hazardous, Electronic, and Universal Waste through the Very Small Quantity Generator (VSQG) program with an extended time frame for disposal.
"This is a fantastic opportunity for our community. It provides convenience, prevents illegal dumping, and effectively uses fee-payer funds for proper waste disposal." –Robert Robert, Mayor Pro Tem, City of Grover Beach.
About the IWMA: The IWMA is a Joint Powers Authority (JPA) formed in 1994 by San Luis Obispo County and the Cities and Community Service Districts (CSDs) within it to more effectively manage local solid waste programs. The IWMA represents 20 jurisdictions and serves a population of over 282,000 residents through management of our 44 solid waste and recycling programs.