Solid waste disposal system facilities owned or operated by the county shall be available to accept solid wastes generated and collected in municipal corporations situated within Snohomish County and solid wastes generated in other counties: PROVIDED, That with the exception of vactor wastes collected from storm water facilities by both private and municipal agencies, the governing bodies of such jurisdictions enter into or maintain interlocal agreements with the county and comply with the conditions contained therein and herein. Nothing in this chapter shall be construed to modify in any way any existing interlocal agreements between Snohomish County and the incorporated municipalities of Snohomish County. (Added by Ord. 83-151 § 1, Dec. 28, 1983; Amended by Ord. 96-065 § 1, Sept. 11, 1996, Eff date Sept. 22, 1996; Amended by Amended Ord. 11-002, Feb. 16, 2011, Eff date Mar. 4, 2011).