The county government, after holding a public hearing upon notice published in the same manner as provided in § 4604 of this title, from time to time, by resolution may:

(1) Change the allocation of the cost of such facility as between zones of assessment;

(2) Change the boundaries of zones of assessment; or

(3) Establish new zones of assessment or eliminate existing zones of assessment.

9 Del. C. 1953, § ?4619; 56 Del. Laws, c. 103, § ?13;