Md. Code, Environment § 9–214

The Department may refuse to renew a permit for a landfill system if:

(1) The permit holder violates any provision of this subtitle, any regulation adopted under this subtitle, any condition of the permit, or, if operating a landfill in another state, any statute, regulation, or permit of that state concerning landfill systems;

(2) The Department finds that continued operation of the landfill system would be injurious to public health or the environment; or

(3) The Department finds that there is any other good cause.