Santiago Canyon

County Unincorporated (Silverado) – SANTIAGO CANYON

The site is located off Santiago Canyon Road, east of the intersection of the SR 261 and SR 241, adjacent and westerly of Irvine Lake. The physical address is 3099 Santiago Canyon Road.

Dates of Operation and Closure: 
The County operated the site as a municipal solid waste landfill from 1968 to 1993 with reduced operations for three additional years. The County ceased accepting waste at the site in mid-1996.

Current Land Use: 
Natural Community Conservation Plan mitigation site; open space

  • County Owned: YES

Regulatory Links

Please contact us at 714-834-4000 if you have questions regarding this site.