Material Recycling Facility Tours


Curiosity Quest at The MRF


Upcoming Events
  • Morongo Basin MC Meeting
    Starts: 6:00 PM
    Ends: September 17, 2014 - 7:30 PM
    Location: Yucca Valley Community Center
    Description: The MCs will be meeting to discuss scholarship money, upcoming events, and share summer/gardening stories. If you have photos of your garden you'd like to share, please bring them on a thumb/flash drive. Contact Don at 951-265-8699 or for more information or to RSVP.
  • SB Co. Special Districts Water Conservation Fair
    Starts: 10:00 AM
    Ends: September 20, 2014 - 2:00 PM
    Location: Spring Valley Lake Community Center-12975 Rolling Ridge Dr - Spring Valley Lake
    Description: The Event will provide information on the latest trends in desert landscaping and ways to save water during the current drought. The Master Composters will be staffing a table at the event to promote composting, vermicomposting, and the Master Composter Program.
  • Barstow MC Meeting
    Starts: 11:30 AM
    Ends: September 20, 2014 - 12:30 PM
    Location: Desert Discovery Center, 831 Barstow Rd, Barstow, CA, United States
    Description: The Barstow Master Composters meet the third Saturday of the month at the Desert Discovery Center (831 Barstow Rd-Barstow) to discuss Master Composter business and share gardening and conservation information. The public is welcome to attend. For more information, contact Don Woo at 951-265-8699 or

What to Compost

Just about anything that once grew in your yard can be composted.


  • Fresh weeds
  • Fresh plants and green prunings
  • Grass clippings
  • Manure or animal cage cleanings-horse, cow, rabbit, chicken (Note: Do not compost cat or dog droppings.)
  • Fruit and vegetable trimmings from the kitchen or garden


  • Fallen leaves
  • Dry weeds, grass
  • Chopped prunings, twigs
  • Wood chips
  • Hay or straw, saw dust
  • Wood ashes (cold)


  • Egg shells
  • Old flower bouquets
  • Coffee grounds (and filters), tea bags
  • Excelsior from swamp cooler mats
  • Paper towels, paper napkins