S.C. Code Ann. § 5-37-90

The improvements as defined in Section 5-37-20 are to be or become the property of the municipality, State, or other public entity and may at any time be removed, altered, changed, or added to, as the governing body may in its discretion determine; provided, that during the continuance or maintenance of the improvements, the special assessments on property therein may be utilized for the preservation, operation, and maintenance of the improvements and facilities provided in the improvement plan, and for the management and operation of the improvement district as provided in the improvement plan, and for payment of indebtedness incurred therefor.