Section 8121 Of Chapter 2. Formation Of District From California Streets And Highways Code >> Division 9. >> Part 2. >> Chapter 2.

. At the hearing, or within twenty days after the adjournment thereof, the board shall determine:
  (a) Whether the proposed district shall be formed.
  (b) What, if any, portion of the unincorporated area should be excluded from the district because not benefited by its formation.