The projects to be constructed or acquired as shown in the general plan may be financed from the following sources of revenue:
A. proceeds received from the sale of bonds of the district;
B. money of the municipality or county contributed to the district;
C. annual property taxes or special levies;
D. state or federal grants or contributions;
E. private contributions;
F. user, landowner and other fees and charges;
G. proceeds of loans or advances; and
H. any other money available to the district by law.