The Director and other duly authorized employees of the Sewer
Commission bearing proper credentials and identification shall be
permitted to enter upon all properties for the purpose of inspection,
observation, measurement, sampling and testing or proper activities
in accordance with the terms of this chapter or any regulations promulgated
thereunder. The powers and authority herein granted shall be in addition
to powers of inspection otherwise granted by law to sewer commissions.
All information in the possession of the owner bearing on the
industrial, commercial or other process which, in the judgment of
the Director, affects the sewage system shall be made available to
the Director or his authorized representative.