California Code, Public Resources Code - PRC § 50000.5

(a) Until a countywide integrated waste management plan has been approved by the California Integrated Waste Management Board pursuant to Division 30 (commencing with Section 40000), no person shall establish or expand a solid waste facility or transformation facility unless the city or county in which the site is located makes a finding that the establishment or expansion of the facility is consistent with the applicable general plan of the city or county.  This finding shall not be made unless the city or county has adopted a general plan which complies with the provisions of Article 5 (commencing with Section 65300) of Chapter 3 of Division 1 of Title 7 of the Government Code.

(b) In addition to the requirements in subdivision (a), any new or expanded solid waste disposal facility or transformation facility shall be deemed to be consistent with the general plan only if both of the following requirements are met: