Closed, Illegal and Abandoned (CIA) Disposal Sites
There are approximately 2500 closed, illegal, and abandoned (CIA) disposal sites in California. Of these, 2122 CIA sites are pre-regulation (or legacy) municipal solid waste disposal sites. These sites were privately owned or leased and serviced local communities, townships, cities, and counties. About 506 of these 2122 sites are burn sites. Of the total 2500 sites, 206 are landfills closed with a permit, and 73 sites are illegal disposal sites. The Board maintains a list of priority CIA sites being worked on by LEA and CIWMB staff.
The following definitions relevant to CIA sites are contained in Title 27, California Code of Regulations.
Closed Site—A disposal site that has ceased accepting waste and was closed in accordance with applicable statutes, regulations, and local ordinances in effect at the time.
Clean Closed Site—A disposal site that has been closed in accordance with applicable statutes, regulations, and local ordinances in effect at the time, with complete removal of its wastes with their transferal to another approved, operating disposal site for final disposal.
Abandoned Site—A disposal site where there is no responsible party.
Illegal site—A disposal site that is not permitted and not exempt from obtaining a permit and is not closed or excluded from the requirement to obtain a solid waste facilities permit. (Active unpermitted sites which an LEA intends to permit are not considered CIA sites.)
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