(a) A department or local regulatory authority shall have the right to enter at all reasonable times any area or environment, including the lagoon facility, building, storage, equipment room, bathhouse, or office to inspect and investigate for compliance with this subchapter to review records, to question any person, or to locate, identify, and assess the condition of the lagoon.(b) Advance notice or permission for entry is not required.(c) A department or local regulatory authority shall not be impeded or refused entry during his official duties by reason of any company policy.(d) It is a violation of this subchapter for a person to interfere, deny, or delay an inspection or investigation conducted by a department or a local regulatory authority.