Treated Wood Waste
TWW is any wood treated with chemical preservatives to protect it from insects or decay and is including but not limited to:
- Fencing and fence posts
- Sill plates
- Landscape timbers
- Pilings
- Guard rails
- Decking
- Patio posts
- Railroad ties, and more
For more information, visit TWW Disposal – How to safely dispose of treated wood waste in California
Treated Wood Waste is not accepted in curbside garbage or organic waste collections or Household Junk Pickup. Treated wood can contain chemicals that are toxic and should not be added to compost.