1042                             LAWS OF MARYLAND                       [CH. 415

(a) Sedimentation.—Before any streets are constructed, MIN-
ERALS COMMERCIALLY MINED or any ground broken for
construction, BY ANY PERSON, PARTNERSHIP, OR COR-
PORATION except for dwellings and outbuildings on lots of
two (2) acres or more within the Watershed, the proposed
earth change shall first be approved by the Soil Conserva-
tion District and the construction and soil movement done in ac-
cordance with the recommendations of the Soil Conservation District
so that erosion and siltation will be controlled.

411AC.

Building Permits for Construction within Watershed.—The pro-
visions of this Subsection shall not apply to the construction of
agricultural structures or to the construction of single-family
residences and their accessory buildings on lots of at least two acres.
Regardless of present planning, zoning, or subdivision controls, no
permit shall be issued for grading or for the construction of any
building, other than those exempted above, unless such grading or
construction is in accordance with plans approved as provided in
section 411AD.

411AD.

Approval of Construction Plans and Permits.—Each of the coun-
ties shall have the power and authority to issue grading permits and
building permits within the Watershed only after the developer sub-
mits a plan of development approved by the Soil Conservation
District and, if with septic or private sewer facilities, the State
Health Department, which shall approve only if such facilities will
not contribute to the pollution of the Patuxent in any way, and with
a certification from a registered professional engineer that the plan
for controlling of silt and erosion is designed so that it will contain
the silt on the property covered by the plan; and with a further
certification by the developer that any construction or development
will be done pursuant to said plan. Such approvals may be obtained
by developers of subdivisions at the time of the approving and record-
ing of the subdivision plat. Violation by the developer of his
certification shall render all permits issued pursuant to such certifi-
cation void, in addition to all other penalties herein provided.

(a) No state, county, or municipal road, building or structure
shall be constructed, relocated, or enlarged within the Watershed
until the plans therefor have been submitted to and approved by
the Soil Conservation District. IN PRINCE GEORGE'S AND
MONTGOMERY COUNTIES, THE WASHINGTON SUBURBAN
SANITARY COMMISSION SHALL, AFTER CONSULTATION
WITH AND ADVICE FROM THE SOIL CONSERVATION DIS-
TRICTS OF THE TWO COUNTIES, PREPARE AND ADOPT
REGULATIONS FOR EROSION AND SILTATION CONTROL
REQUIREMENTS FOR UTILITY CONSTRUCTION, WITH THE
REGULATIONS TO BE ADOPTED AND ENFORCED AS ARE
OTHER REGULATIONS OF THE COMMISSION PURSUANT
TO THE AUTHORITY CONFERRED UPON IT BY OTHER
LAWS. THE PROVISIONS OF THIS