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Public Works - Operations Division - Solid Waste
Home Public Works Operations Division Garbage/Recycling Composting Workshop
Composting Bins and Workshops

Composting and Vermicomposting (Worms)
In California, legislation (AB 939) requires that we reduce solid waste 50% by the year 2000. The biggest portion of waste being disposed of in our precious landfill space is yard material such as grass clippings, tree leaves and plant trimmings. In East County, 25% of the residential waste stream is yard waste. One of the easiest ways to reduce yard waste and save money is COMPOSTING.

What is composting?
Composting is a naturally occurring process that breaks down organic material (yard materials and vegetable wastes) into a soil-like material. Finished compost is an excellent soil enhancer and mulch that improves soil structure as well as adds some nutrients. All organic materials will break down eventually if given the proper environmental conditions. Mixing compost into soil improves the soil's texture, and increases its ability to hold air and water. By reducing evaporation, composting allows your landscaping to use less water.

Compost Bins for Purchase
Residents can purchase a Biostack compost bin at a cost of $55. To make arrangements to purchase and pick-up your compost bin, contact the Solid Waste Division at 925-516-6090. Delivery is not available.

  • Made from 60% recycled plastic (PET), holds 13 cubic feet (28" W x 28" D x 34" H) with three bottomless tiers and a hinged lid. 

Where can I learn to Compost?

Class schedule (http://www.co.contra-costa.ca.us/depart/cd/recycle/rrr_schedule.htm)

Public Works Department
Solid Waste Division       (925) 516-6090
        (925) 516-6091
      solidwaste@brentwoodca.gov
Physical Address:       2201 Elkins Way
Mailing Address:       2301 Elkins Way
          Brentwood, CA 94513
Hours of Operation:
Monday - Friday       7:00 am - 3:30 pm