If, in the judgment of the Administrator, a State program or portion thereof under subsection (a) of this section is not adequate to protect public water systems as required by subsection (a) of this section or a State program under section
300j–13 of this title or section
300g–7
(b) of this title does not meet the applicable requirements of section
300j–13 of this title or section
300g–7
(b) of this title, the Administrator shall disapprove such program or portion thereof. A State program developed pursuant to subsection (a) of this section shall be deemed to be adequate unless the Administrator determines, within 9 months of the receipt of a State program, that such program (or portion thereof) is inadequate for the purpose of protecting public water systems as required by this section from contaminants that may have any adverse effect on the health of persons. A State program developed pursuant to section
300j–13 of this title or section
300g–7
(b) of this title shall be deemed to meet the applicable requirements of section
300j–13 of this title or section
300g–7
(b) of this title unless the Administrator determines within 9 months of the receipt of the program that such program (or portion thereof) does not meet such requirements. If the Administrator determines that a proposed State program (or any portion thereof) is disapproved, the Administrator shall submit a written statement of the reasons for such determination to the Governor of the State.