The amounts allocated and paid to the municipalities and counties of this State pursuant to the provisions of this Act shall be used solely for the general welfare of the people of the State of Illinois, including financial assistance to school districts, any part of which lie within the municipality or county, through unrestricted block grants for school purposes carried out within the municipality or county making the grant, and also including, but not limited to, mental health programs, wastewater projects, road and bridge construction and repair and social service programs.
30 ILCS 115/3