1132                             LAWS OF MARYLAND                        [CH. 669

the Commission and under its supervision, and its maintenance and
operation shall be under the general control of the Commission; and
no such system or part thereof, or no water main, sewer, storm drain,
water purification or sewage treatment plant, or no connection with
any of them, shall be constructed or installed except as in this section
provided, and any violation of this provision shall be a misdemeanor
punishable under Section 414 of this sub-title. All construction and
operating records, including cost records, shall be filed with the
Commission, which shall be empowered at any time to take over
said system or part thereof, or said water main, sewer, storm water
drain, water or sewage treatment plant, or connect on with any of
them in the same manner as pro-vided under Section 409 for systems
existing at the time of the passage of this sub-title. The Commission
shall be empowered to extend its water supply, sewerage or drainage
systems into any area outside of any sanitary district contiguous
thereto or in the vicinity thereof, when the property owners of said
area shall agree to the charges, assessments and conditions that may
be imposed by the Commission as hereinbefore outlined.

411. The Commission may enter upon and excavate any State,
County or municipal street, road or alley, or any other public high-
way, for the purpose of installing, maintaining and operating the
water supply, sewerage or drainage systems provided for under this
sub-title, and it may construct in any such street, road, alley or public
highway, a water main, sewer or drain or any appurtenance thereof,
without the receipt of a permit or the payment of a charge; pro-
vided that whenever any State, County or municipal highway is to
be disturbed, the public authority having control thereof shall be
duly notified; and provided further, that said highway shall be re-
paired and left by the Commission in the same condition as, or in a
condition not inferior to, that existing before said highway was
torn up, and that all costs incident thereto shall be borne by the
Commission.

412. Any employee or agent of the Commission shall have the
right of entry, at all reasonable hours, upon any private premises
and into any building, in such sanitary district, while in pursuit of
his official duties, upon first presenting proper credentials from the
Commission, and any restraint or hindrance offered to such entry
by any owner or tenant, or agent of said owner or tenant, or any
other person, shall be a misdemeanor punishable under Section 414
of this sub-title.

413. All individuals, firms or corporations having buildings,
conduits, pipes, tracks, poles or other structures or obstructions in,
on, over, under or through any public road, street or alley of any
sanitary district, or any portion of Cecil County outside of any
sanitary district, which shall block or impede the construction and
establishment of the Commission's water supply, sewerage or drain-
age systems, or other works, shall upon reasonable notice from the
Commission, promptly so shift, adjust, accommodate or remove
such structures or obstructions as to fully meet the exigencies
occasioning such action; providing, however, that the costs of such
change shall be borne and paid for by the Commission. Every public
service corporation, company or individual before it or they shall
begin any excavation or construction in any street, road, alley or