The Collaborative International Dictionary of English v.0.48:

nonsegregated \nonsegregated\ adj.
   integrated. Opposite of segregated.

   Syn: desegrated, unsegregated.
        [WordNet 1.5]

WordNet (r) 3.0 (2006):

nonsegregated
    adj 1: rid of segregation; having had segregation ended [syn:
           desegrated, nonsegregated, unsegregated]