An illegal junkyard is one which is either:
(a) Established or is maintained in violation of this article and does not come within the definition of a “nonconforming junkyard,” as defined in Section 746.1.
(b) A junkyard which becomes visible due to inadequate maintenance of screening located off the highway right-of-way, or the placement of junk so that it may be seen above or beyond the screen, or otherwise becomes visible.
(c) A junkyard which, due to any conditions other than those described in subdivision (f) of Section 746, is established or maintained in violation of this article.
(Added by Stats. 1977, Ch. 919.)