Treated Wood Disposal

Treated Wood Waste Disposal Information

BEGINNING JANUARY 1, 2021, TREATED WOOD WASTE CAN NO LONGER BE DISPOSED OF AT OC LANDFILLS. PLEASE REVIEW FLYER BELOW.

Treated WW

Department of toxic substances website

Treated Wood Waste (TWW) is wood that has been treated with chemical preservatives to protect it from insects and decay while in use. Examples of TWW include fence posts, sill plates, landscape timbers, pilings, guardrails, and railroad ties.