HARRY HUGHES, Governor

4105

construction, alteration or extension of a water supply
system, a sewage collection and disposal system in the areas
described in subsection (a) hereof, with the right in the
commission to charge a reasonable fee therefor, not
exceeding six per cent of the estimated construction cost of
any such project. The commission is further authorized and
directed to make inspections of all such projects during the
course of construction and to require such construction to
be in conformity with the approved plans.

(c)  Upon the completion of any such project the
individual, firm or corporation constructing the same shall
file with the commission as a permanent record a certified
copy of the plans in full, showing the work as built, and
such record shall be of such character and in such forms as
may be prescribed by the commission. Any water supply,
sewage collection and disposal system, including oxidation
ponds or sewage lagoons, which is not exempt from the
requirements for a permit pursuant to subsection (e) of this
section, shall be installed, maintained and operated under
such reasonable rules and regulations as the commission may
require or devise. The commission is authorized and
directed to make inspections of the operations of all such
projects and to require the owners or operators thereof to
maintain and operate them in compliance with the
commission's reasonable requirements and with due regard to
public health, safety and comfort. The commission is
authorized to fix and collect from the owners or operators
of such systems a reasonable fee for its supervision and
inspection. Whenever an owner or operator of such system
fails or refuses to make any correction or fails or refuses
to maintain and operate the system in compliance with the
commission's reasonable requirements, the commission may
make the correction or, if necessary, take over for so long
a period as may be necessary for the operation of the system
and collect the costs therefor from the owners or operators.
After construction of a water or sewage treatment facility
pursuant to a commission permit, if the operation thereof is
subject to inspection by the state department of health and
mental hygiene, the commission shall not be required to
duplicate those operational inspection functions, and its
operation and inspection fee shall be eliminated or reduced
commensurate with the eliminated inspection activities. All
other aspects of the commission permit for the facility
shall continue.

(d)  The areas described herein shall be exempt from
any taxes and/or assessments by the Washington Suburban
Sanitary Commission until such areas are included within the
Washington Suburban Sanitary District.

(e)  This section shall not apply to any water supply,
sewage collection and disposal system constructed for the
sole purpose of serving any single building, or a group of
buildings serving as a single farm unit or as a single
commercial or industrial establishment, but this section
shall apply to any apartment house with five or more
dwelling units. This section shall not apply to any system