One local improvement district may be established for any or all of the purposes embraced herein even though the area assessed for such purposes may not coincide or be contiguous: PROVIDED, That whenever the legislative body of the city or town decides to construct a special improvement in a distribution system, a separate local improvement district may be formed for such portion and bonds may be issued therefor as provided in the general local improvement law.

Creation of local improvement districts: Chapter 35.43 RCW.

Issuance of bonds to pay for local improvements: Chapters 35.45, 35.48 RCW.