| impervious
surface |
surfaces
that do not
absorb
water.
Examples:
buildings,
concrete/asphalt
parking
areas,
roads,
sidewalks,
&
driveways |
Best
Management
Practices |
conservation
practices or
systems of
practices
and
management
measures
that:
(1) control
soil loss
& reduce
water
quality
degradation;
and
(2) minimize
adverse
impacts to
surface
water flow,
circulation
patterns,
and to the
chemical,
physical,
and/or
biological
characteristics
of critical
areas. |
| Clearing |
The
act of
removal or
destruction
of
vegetation
by
mechanical
or chemical
means, but
does not
include
normal
cultivation
associated
with
agriculture. |
| Conditional
Use |
A
use allowed
only upon
approval of
a site plan
or the
granting of
Use Approval |
Ordinary
High
Water
Mark |
(SMP)
That mark
that will be
found by
examining
the bed and
banks and
ascertaining
where the
presence and
action of
waters are
so common
and usual,
and so long
continued in
all ordinary
years, as to
mark upon
the soil a
character
distinct
from that of
the abutting
upland, in
respect to
vegetation
as that
condition
exists on
June 1,
1971, as it
may
naturally
change
thereafter,
or as it may
change
thereafter
in
accordance
with permits
issued by a
local
government
or the
department.
Definition
derived from
Washington
State Dept.
of Ecology Glossary |
| Parcel |
A
legal
division or
segregation
of land
including an
assessor's
parcel
established
by the
Assessor and
assigned
numbers for
assessment
purposes |
| Parcel
Number |
The
number
assigned by
the county
to a piece
of land or
parcel for
identification
purposes.
In Island
County the
number is
broken into
segments
identifying
that
particular
piece of
land.
The parcel
number
begins with
an 'R' or
and 'S'
label
identifying
whether it
has been
subdivided
or not.
Under the
'R' label,
the next
five numbers
are the
range,
township,
and section
of the
parcel.
The
remaining
numbers
identify
that
specific
piece of
land.
For example,
parcel
number
R23328-100-5050
is in Range
2, Township
33, Section
28 and is
identified
as parcel
100-5050. |
| Setback |
The
required
horizontal
distance
between
every
structure/development
activity and
the property
lines or the
edge/right
of way
whichever is
greater. |
A
Division of Island County Government