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Supporting California’s transition to a circular economy through advocacy, collaboration, resources, and best practices.

Sign up for ACP's Newsletter to stay up to date with our work!

The Association of Compost Producers (ACP) works to advance organics recycling, compost manufacturing and utilization to benefit society and the environment in the largest compost market in the US.

ACP is the official California state chapter of USCC.

Ongoing Programs

Conferences, archives, team meetings, event sponsorship opportunities, and more.

Healthy Soil Roundtable

Meet with external stakeholders bi-monthly to discuss obstacles and opportunities to building healthy soil with compost.

SB1383 Compliance

Collaborate with local stakeholders to assist Jurisdictions in end-to- end SB1383 compliance.

Working Groups

Participate in our Outreach, Education, Marketing & Policy working groups to network and solve pressing issues.

Compost Producer Map

The Composting Industry in California worked diligently to include a procurement policy in SB1383, which resulted in Article 12.

Now, Jurisdictions and the Composting Industry have the chance to work together to save water, reduce pollution, lower GHG emissions from landfills, and support more sustainable agriculture through compost application.

To ease this process, ACP has created a map of member composters in California who are willing and able to collaborate with Jurisdictions and direct service providers to meet their procurement goals.


Additional Resources
Benefits of Compost

Marketing and education materials for compost stakeholders, marketers, and sales people.

Regulatory Support

Join our monthly policy group meeting, or connect with staff or board members to brainstorm solutions.

Past Events Archive

Access documents from past events, including PDFs, presentations, and video clips.

Events Calendar

Subscribe to our members-only events calendar.

Interested in learning more?

We bring together compost haulers, producers, and stakeholders, including non-profits, government agencies, compost users (farms, landscapers, municipalities), and more.


Together, we use compost to build healthy soil in each California County where our members do business.

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