1522 LAWS OF MARYLAND.

reference to the existing and future needs of all communities
or persons which may be affected thereby. It shall also consult
with and advise corporations, companies and individuals en-
gaged or intending to engage in any manufacturing or other
business whose sewage may tend to pollute the waters of the
State. It may also conduct experiments relating to the purifi-
cation of water and the treatment of sewage or refuse. No
County, municipality, corporation, company or individual shall
be required to bear the expense of such consultation, advice or
experiments. Information that may be given shall be only of
such preliminary nature as to outline the best course to pur-
sue, and in no case shall the State Board of Health be required
to prepare plans, specifications or detailed estimates for any im-
provement, unless it be specifically delegated to do so by the
Governor or Legislature, and adequate special appropriation be
provided for the purpose.

SEC. 4. And be it further enacted, That every County, water,
sewerage or sanitary district authority, municipality, corpora-
tion, company, institution and individual supplying or author-
ized to supply, at the time of the passage of this Act, water
sewerage or refuse disposal service to the public, or owning
water or sewerage systems, or refuse disposal plants, serving or
authorized to serve the public, within the State, shall, within six
months after the passage of this Act, file with the State Board
of Health a certified copy of the plans of its water supply or
sewerage system, or refuse disposal plant, complete; such plans
to be correct to date of submission, and to be of such scope and
in such detail as to be satisfactory to the State Board of Health.
In case no plans, or only those of insufficient scope or detail,
are in existence, this Section shall be complied with by tht
preparation of new, or the completion of the existing plans,
and such investigations as may be necessary to insure the ap-
proximate correctness of the plans shall be instituted by the
County, district authority, municipality, corporation, company,
institution or individual required to supply them. In case
specifications of or reports on the water supply and sewerage
systems or refuse disposal plants are in existence, they shall be
submitted, as well as plans. The State Board of Health may
request such other information and records concerning the water
supply and sewerage systems or refuse disposal plants, and their
maintenance and operation, as it may deem proper for its pur-
poses; and it shall be the duty of the County, district authority,