As used in this chapter, the following terms
shall have the meanings indicated:
The Storm Water Management Act (Act of October 4, 1978, P.L.
864, No. 167; 32 P.S. §§ 680.1-680.17, as amended by
Act of May 24, 1984, No. 63).
A landowner or developer who has filed an application for
development, including his/her heirs, successors and assigns.
A perceptible natural or artificial waterway which periodically
or continuously contains moving water or which forms a connecting
link between two bodies of water. It has a definite bed and banks
which confine the water.
Beaver County, Pennsylvania.
The Beaver County Conservation District.
A closed conduit for the free passage of surface drainage
under a highway, railroad, canal or other embankment.
An artificial barrier, together with its appurtenant works,
constructed for the purpose of impounding or storing water or another
fluid or semifluid or a refuse bank, fill or structure for highway,
railroad or other purposes which does or may impound water or another
fluid or semifluid.
See "storm frequency."
The slowing, dampening or attenuating of runoff flows entering
the natural drainage pattern or storm drainage system by temporarily
holding water on a surface area in a detention basin or within the
drainage system.
A basin or reservoir, usually small, constructed to impound
or retard surface runoff temporarily.
The person, persons, or any corporation, partnership, association,
or other entity or any responsible person therein or agent therefor
that undertakes the activities associated with changes in land use.
The term "developer" is intended to include but not necessarily be
limited to the term "subdivider," "owner," and "builder," even though
the individuals involved in successive stages of a project may vary.
Any activity, construction, alteration, change in land use
or practice that affects stormwater runoff characteristics.
The flow or rate of flow from a canal, conduit, channel or
other hydraulic structure.
In general, the removal of surface water from a given area.
Commonly applied to surface water and groundwater.
Any structure or activity which in any manner changes, expands,
or diminishes the course, current or cross section of any watercourse,
floodway or body of water.
Wearing away of the lands by running water, glaciers, winds
and waves.
The application of measures to reduce erosion of land surfaces.
Materials covering the ground surface.
Subsurface water occupying the saturation zone, from which
wells and springs are fed.
Replenishment of groundwater naturally by precipitation or
runoff or artificially by spreading or injection.
Not allowing or allowing only with great difficulty the movement
of water; impermeable.
Any of the following activities:
The improvement of one lot or two or more contiguous
lots, tracts or parcels of land for any purpose involving:
A group of two or more residential or nonresidential buildings,
whether proposed initially or cumulatively, or a single nonresidential
building on a lot or lots regardless of the number of occupants or
tenure; or
The division or allocation of land or space,
whether initially or cumulatively, between or among two or more existing
or prospective occupants by means of, or for the purpose of streets,
common areas, leaseholds, condominiums, building groups or other features;
A subdivision of land;
Development in accordance with Section 503 (1.1)
of the Pennsylvania Municipalities Planning Code.[1]
Any activity involving the changing, grading, transportation,
fill and any other activity which causes land to be exposed to the
danger of erosion.
The upkeep necessary for efficient operation of physical
properties.
A professional engineer licensed in the Commonwealth of Pennsylvania,
duly appointed by the Potter Township Board of Supervisors.
Potter Township, Beaver County.
A watershed where natural surface configurations, runoff
characteristics and defined drainage conveyances have attained the
conditions of equilibrium.
The means of controlling the relationship between the headwater
elevation and the discharge, placed at the outlet or downstream end
of any structure through which water may flow.
Maximum flow.
Pennsylvania Department of Environmental Protection.
A standard which establishes an end result or outcome which
is to be achieved but does not prescribe specific means for achieving
it.
The watershed factor determined by comparing the maximum
rate of runoff from a sub-basin to the contributing rate of runoff
to the watershed peak rate at specific points of interest.
A basin, usually enclosed by artificial dikes, that is used
to retard stormwater runoff by temporarily storing the runoff and
releasing it at a predetermined raze.
The average interval in years over which an event of a given
magnitude can be expected to recur.
That part of precipitation which flows over the land.
The surface components of any watershed which affect the
rate, amount, and direction of stormwater runoff. These may include
but are not limited to vegetation, soils, slopes and man-made landscape
alterations.
United States Department of Agriculture Soil Conservation
Service.
Mineral or organic solid material that is being transported
or has been moved from its site of origin by air, water or ice and
has come to rest.
The process by which mineral or organic matter is accumulated
or deposited by moving water, wind or gravity.
See "detention pond and retention pond."
The average interval in years over which a storm event of
given precipitation volume can be expected to occur.
A sewer that carries intercepted surface runoff, street water
and other drainage but excludes domestic sewage and industrial waste.
That portion of precipitation which runs over the land.
Natural or man-made structures that collect and transport
stormwater through or from a drainage area to the point of final outlet,
including, but not limited to, any of the following conduits and appurtenant
features: canals, channels, ditches, streams, culverts, streets, and
pumping stations.
The plan for managing stormwater runoff adopted by Erie County
as required by the Storm Water Management Act.[2]
The division or redivision of a lot, tract or parcel of land
by any means into two or more lots, tracts, parcels or other divisions
of land, including changes in existing lot lines, for the purpose,
whether immediate or future, of lease, partition by the court for
distribution to heirs or devisees, transfer of ownership or building
or lot development; provided, however, that the subdivision by lease
of land for agricultural purposes into parcels of more than 10 acres,
not involving any new street or easement of access or any residential
dwelling, shall be exempted.
A low-lying stretch of land which gathers or carries surface
water runoff.
Any channel for conveyance of surface water having a defined
bed and banks, whether natural or artificial, with perennial or intermittent
flow.
The entire region or area drained by a river or other body
of water, whether natural or artificial. A "designated watershed"
is an area delineated by the Pennsylvania DEP and approved by the
Environmental Quality Board for which counties are required to develop
watershed stormwater management plans.
