Section  325.105  Applicability

a)         Except as provided otherwise in subsection (b) of this Section, this Part applies to each person holding an NPDES permit under Section 12(f) of the Environmental Protection Act, including a person who continues to discharge under an expired permit that is properly administratively continued pending renewal, and each person holding a domestic sewage sludge generator or sludge user permit under Section 12(b) of the Act.

b)         This Part does not apply to:

1)         the State of Illinois or any department or agency of the State;

2)         school districts;

3)         private sewage disposal systems, as defined in the Private Sewage Disposal Licensing Act [225 ILCS 225];

4)         the federal government or any department or agency of the United  States; or

5)         the permit holder of any NPDES permit issued under Section 12(f)             of the Act for which an annual fee amount is not prescribed in Section 12.5 of the Act.