Md. Code, Environment § 9–327

The Department may refuse to issue a discharge permit if:

(1) The applicant fails or refuses to allow any representative of the Department to inspect the proposed permit site;

(2) The Department finds that issuance of the permit would violate any State or federal law or any rule or regulation adopted under any State or federal law; or

(3) The applicant fails or refuses to pay the permit fee assessed under § 9–325(c) of this subtitle.