Texas
Municipal Tree Definitions
(Accuracy not guaranteed  please check with individual
communities for updates)
Caliper
Baytown
means the diameter of a tree at 18 inches above ground level.
Beaumont
the measure of the diameter of a tree at eighteen (18) inches
above grade.
Burleson
the diameter of the trunk of a tree measured 12 inches above the
ground level.
Carrollton
diameter of the trunk of a tree measured 12 inches above grade.
Conroe
means the diameter of a singletrunk tree as measured six inches
above the root collar for trees up to and including four inches
in diameter and 12 inches above the root collar for trees having
a larger diameter. The caliper of acceptable multiple trunk
trees is determined by using the sum of the caliper of the three
largest trunks.
Dallas
for a singlestem tree, the diameter of the trunk measured 12
inches above ground for a tree having a diameter up to and
including eight inches, and measured at four and onehalf feet
above the ground for a tree having a diameter of more than eight
inches. For multistem trees, the diameter of the trunk measured
at the narrowest point below branching when branching occurs
higher than 12 inches above the ground. When branching occurs at
or lower than 12 inches above the ground, caliper means the
diameter of the largest stem plus the average diameter of the
remaining stems, measured at four and onehalf feet above the
ground.
Dickenson
shall mean the width of the trunk of a tree and shall be
measured at four (4) inches to six (6) inches above grade. This
measurement is used for measuring nursery stock and is only used
for trees that are to be planted, relocated, or measure less
than seven (7) inches in diameter at four (4) feet six (6)
inches above grade.
Duncanville
the diameter of a tree trunk measured in inches at a height of
24 inches above natural grade. For a multitrunk tree, the
diameter shall be the total diameter of the largest trunk plus
onehalf of the diameter of each additional trunk.
Fort Worth
the diameter of a tree, measured at a point six (6) inches above
the ground line if the resulting measurement is no more than
four (4) inches. If the resulting measurement is more than four
(4) inches, the measurement is made at a point twelve (12)
inches above the ground line.
Helotes
mitigation trees: the diameter of a tree as measured
six inches above the root collar; and existing, mature and
large trees: the diameter of a tree as measured four and
onehalf feet above the natural grade for trees having a larger
diameter.
Hidalgo
in reference to trees, means the average diameter of the tree
measured from four feet above the ground.
Houston
means the minimum diameter of a tree as measured six inches
above the ambient grade for trees up to and including four
inches in diameter, 12 inches above the ambient grade for trees
having a diameter exceeding four inches but not exceeding eight
inches and 54 inches above the ambient grade for trees having a
diameter greater than eight inches.
Hunters Creek Village
shall mean the diameter of a tree as measured at a point on the
tree which is six inches (6") above the ambient grade.
Irving
the tree caliper shall be the method in which the city will
measure tree size as required by this article. The caliper of
any tree, either existing or proposed, shall be determined by
measuring the trunk caliper (diameter) twelve (12) inches from
the existing grade.
Lancaster
the diameter of a tree measured is as follows: Height to measure
depends on size: 04” (zero to four inches), measured at 6” (six
inches) from natural ground level. Trees 4” (four inches) to
transplantable size are measured at 12” (twelve inches) from
natural ground level. All others at 4.5’ from the ground level
in Diameter at Breast Height (*see ANSI standard).
Little Elm
the diameter of a tree trunk measured 12 inches above ground
level. The caliper of a multitrunk tree is determined by the
full caliper of the largest trunk, plus half the caliper of the
other trunks. This measurement used for newly planted trees.
Marble Falls
the diameter of a tree measured twelve (12) inches above the
ground when planted.
McKinney
the diameter measurement of a tree trunk. Caliper of the trunk
shall be measured six inches above the ground for trees up to
and including fourinch caliper size, and 12 inches above the
ground for larger sizes.
Port Aransas
any of various measuring instruments having two (2) usually
adjustable arms, legs, or jaws used especially to measure
diameter or thickness.
Richland Hills
means the average diameter measurement of the trunk of a tree.
Caliper is to be measured at six inches above grade when a
caliper of four inches or smaller is required, at 12 inches
above grade when a caliper between four inches and 12 inches is
required, and measured at full breast height (4 1/2 feet) when a
caliper larger than 12 inches is required.
Roanoke
the diameter of the trunk of a tree measured twelve inches (12")
above grade.
Rockwall
means the diameter of the trunk measured six (6) inches above
ground level up to and including fourinch caliper size, and
measured twelve (12) inches above ground level if the
measurement taken at six (6) inches above ground level exceeds
four (4) inches. If a tree is of a multitrunk variety, the
caliper of the tree is the average caliper of all of its trunks.
Round Rock
shall mean the American Association of Nurseymen standard for
trunk measurement (diameter) for nursery stock. Caliper of the
trunk shall be measured six (6) inches above the root ball for
fourinch caliper size and small, and twelve (12) inches for
above the root ball for larger sizes.
San Antonio
the minimum diameter of a tree measured six (6) inches above the
root collar for trees up to and including four (4) inches in
diameter; twelve (12) inches above the root collar for trees
having a diameter greater than four (4) inches and up to twelve
(12) inches; and four and onehalf (4.5) feet above the root
collar for trees having a diameter larger than twelve (12)
inches.
Seabrook
means the diameter of a tree at four feet of height above ground
level. If a tree trunk separates or splits below four feet of
height, measurement to determine diameter shall be taken
immediately below the point where the trunk separates or splits.
Stafford
means the minimum diameter of a tree as measured six inches
above the root collar for trees up to and including four inches
in diameter and twelve inches above the root collar for trees
having a larger diameter.
Texarkana
is the diameter of a tree measured from six (6) inches above the
ground for trees up to four (4) inches in diameter, twelve (12)
inches above the ground for trees having a diameter of four (4)
to twelve (12) inches, and four and onehalf (4 1/2) feet above
the ground for trees having a diameter larger than twelve (12)
inches.
The Colony
the diameter of the trunk of a tree measured twelve (12) inches
above ground level. If a tree is of a multitrunk variety, the
caliper of the tree is the sum of the largest trunk plus
onehalf ( 1/2) the caliper of the remaining trunks.
Canopy
Round Rock
shall mean the horizontal extension of a tree's branches in all
directions from its trunk.
Circumference
Dickenson
shall mean the outermost measurement of a
tree trunk and shall be measured four (4) feet six (6) inches
above surrounding grade, using an ordinary tape measure. For
multipletrunk trees, the trunk circumference is deemed to equal
the circumference of the largest trunk, plus onehalf ( 1/2) the
sum of all additional trunks at four (4) feet six (6) inch above
grade. Measurements should be accurate to the nearest onehalf (
1/2) inch. To convert to diameter inches, divide circumference
inches by 3.142.
Hedwig Village means
the circumference of a tree trunk measured three feet above the
ground using an ordinary tape measure. Measurement height shall
be taken just above or just below any unusual swells in the
trunk as close as possible to the three foot level. For multiple
tree trunks the circumference is equal to the circumference of
the larger trunk plus onehalf the circumference of other
trunks.
Hunters Creek Village
shall mean the circumference of the trunk of a tree measured at
a height of four and onehalf feet (41/2') above the ground
using an ordinary tape measure or diameter tape. Tree diameter
in inches x 3.14 equals the circumference of a tree in inches.
If the tree has unusual swells in the trunk at measurement
height, measurement shall be taken either below or above the
swell at the smallest trunk diameter as close to four and
onehalf (41/2') feet as possible.
League City shall be
measured 4 1/2 feet above the ground using an ordinary tape
measure or diameter tape. Measurement is taken just above or
below any unusual swells in the trunk, as closely as possible to
the 4 1/2foot level. For multipletrunk trees, the trunk
circumference is deemed to equal the circumference of the
largest plus onehalf the circumference of each additional
trunk. Measurements should be accurate to the nearest onehalf
inch.
New Braunfels is the
distance around the trunk of a tree measured six inches above
the ground for trees to be planted and four and one half feet
above the ground for existing trees. In the case of multitrunk
trees, the trunk circumference of the tree as a whole is the sum
of the circumferences of the two largest individual trunks.
Pearland is measured
four and onehalf (4 1/2) feet above the ground using an
ordinary tape measure or diameter tape. Measurement is taken
just above or below any unusual swells in the trunk, as closely
as possible to the four and onehalf (4 1/2) foot level. For
multipletrunk trees, the trunk circumference is deemed to equal
the circumference of the largest trunk plus half the
circumference of each additional trunk. Measurements should be
accurate to the nearest onehalf ( 1/2) inch.
Rockport means the
circumference of a tree at D.B.H. (diameter at breast height, or
4 1/2 feet above the ground). Diameter is circumference divided
by 3.142.
Spring Valley shall
mean circumference or diameter measured at a point on the tree 4
1/2 feet above the surrounding ground level. The equivalent tree
circumference or diameter may be used for measurement purposes.
Tree diameter in inches × 3.14 = Tree Circumference in inches.
(For example: 9" diameter × 3.14 = 28.26 circumference). To
measure a tree which forks or has two boles or stems at or below
4 1/2 feet, only the circumference or diameter of the larger
bole or stem will be measured.
West University Place
of a tree means the circumference of its trunk, measured as
prescribed in the criteria manual and in figure 1 attached to
the criteria manual. For conversion to diameter, the
circumference can be divided by 3.142.
Cleaning
El Paso
is the selective removal of dead, diseased, and/or broken
branches. Cleaning is done at any time to reduce risk and remove
the possibility of the movement of decay, insects or disease
from dead or dying branches into the rest of the tree.
Mansfield
a vertical line run through the outermost portion of the canopy
of a tree and extending to the ground.
Clear or Clearing
Conroe
means the removal or harvesting of trees not falling under the
definition of under brushing.
Dallas
means any activity that removes or seriously injures one or more
trees or the vegetative ground cover of one or more trees, such
as root mat removal or topsoil removal.
Denton
means an intentional act to cut down, remove all or a
substantial part of, or damage a tree or other vegetation that
will cause the tree or other vegetation to decline and/or die.
Clearing is defined to include, but not be limited to, chemical,
physical, compaction, or grading damage. Clearcutting is a
clearing activity conducted over an entire lot.
McKinney
the removal of ten or more protected trees from a property
within a 90day period.
Round Rock
shall mean the act of cutting down, removing all or a
substantial part of, or damaging a tree or other vegetation that
will cause a tree to decline and/or die, which includes, but is
not limited to, chemical, physical, compaction, or grading
damage.
Clearcutting
Carrollton the
indiscriminate removal of protected trees from a site or tract.
Duncanville the
indiscriminant removal of protected trees from a site or tract.
Kennedale means the
removal of all of the trees or a significant majority of the
trees within an area.
Lancaster the
removal of all of the trees or a significant majority of the
trees within an area of land.
Mansfield the
removal of all of the trees or a significant majority of the
trees within an area.
North Richland Hills
means the removal of all trees or a significant majority of the
trees within an area of land.
Oak Point the
removal of all of the trees or a significant majority of the
trees within an area.
Roanoke the
indiscriminate removal of protected trees from a site or tract.
Weatherford the
removal of all of the trees or a significant majority of the
trees within an area of land.
Critical Root Zone
Beaumont a circular
region measured outward from the tree trunk to the drip line
representing the area of roots that must be maintained or
protected for the tree's survival.
Bunker Hill Village
of a tree shall mean the area within a circle centered on the
trunk location, the diameter of said circle being onehalf of
the sum of the longest and shortest drip line diameters.
Carrollton the area
of native soil around a tree defined by a concentric circle with
a radius equal to the distance from the trunk to the outermost
portion of the drip line, as shown in section 155.11, Figure 2.
Coppell means the
top 12 inches of undisturbed natural soil around the tree,
defined by a concentric circle with a radius equal to the
distance from the trunk to the outermost portion of the drip
line, wherein roots critical to its survival are growing.
Dallas means the
circular area of ground surrounding a tree extending a distance
of one foot per caliper inch of the tree, measured from the tree
trunk or stem.
Denton means a
circular region measured outward from a tree trunk representing
the essential area of the roots that must be maintained or
protected for the tree's survival. A tree's critical root zone
is measured as one (1) foot of radial distance outward from the
trunk for every inch of tree DBH, and may be no less than a
radius of eight (8) feet.
Duncanville the area
of native soil around a tree defined by a concentric circle with
a radius equal to the distance from the trunk to the outermost
portion of the drip line.
Fort Worth area
around the trunk of the tree that is equal to a radius of one
(1) foot per inch diameter measured at breast height (DBH) –
four and onehalf (4.5) feet.
Hedwig Village means
the area of a tree within a circle centered on the trunk
location, the diameter of such circle being onehalf the sum of
the longest and shortest drip line diameters.
Hillshire Village of
a tree. The area within a circle centered on the trunk location,
the diameter of said circle being onehalf the sum of the
longest and shortest drip line diameters.
Hunters Creek Village
means the area within the drip line of a tree. As a practical
matter, this is the acute portion of the tree's root system.
Approximately ninety percent (90%) of the tree's root mass
occurs within the top three feet of the soil and most of the
fine feeder roots which collect moisture and nutrients are
located in the top six inches (6") of the soil. Typically, a
tree's root system extends as much as two to three times the
distance from the trunk to the drip line.
Kennedale means the
area of undisturbed natural soil around a tree defined by a
concentric circle with a radius equal to the distance from the
trunk to the outermost portion of the drip line.
Lancaster
the area of undisturbed natural soil around a tree defined by a
circle with a radius equal to the distance from the trunk to the
outermost portion of the drip line. If CRZ is compromised by
site conditions, such as but not limited to, roads, sidewalks,
existing buildings, utility easements, etc., the CRZ will be
determined by the Landscape Administrator or designee.
Little Elm the area
of undisturbed natural soil around a tree defined by a
concentric circle with a radius equal to the distance from the
trunk to the outermost portion of the drip line.
Mansfield the area
of undisturbed natural soil around a tree defined by a
concentric circle with a radius equal to the distance from the
trunk to the outermost portion of the dripline.
McKinney the area of
undisturbed natural soil around a tree defined by a concentric
circle with a radius equal to the distance from the trunk to the
outermost portion of the drip line.
Oak Point the area
of undisturbed natural soil around a tree defined by a
concentric circle with a radius equal to the distance from the
trunk to the outermost portion of the drip line.
Pearland
the area within the drip line of the tree. As a practical
matter, this is the acute portion of the tree's root system.
Approximately ninetynine (99) percent of the tree's root mass
occurs within the top three (3) feet of the soil and most of the
fine feeder roots which collect moisture and nutrients are
located in the top four (4) inches of the soil. Typically, a
tree's root system extends as much as two (2) to three (3) times
the distance from the trunk to the drip line.
Richland Hills
means the area of undisturbed natural soil around a tree defined
by a concentric circle with a radius equal to the distance from
the trunk to the outermost portion of the drip line.
Rockport means, for
any tree, the area within a circle centered on the location of
the trunk. The circle's diameter is onehalf the sum of the
broadest and narrowest drip line diameters.
Round Rock shall
mean a circular region measured outward from the tree trunk
representing the essential area of the roots that must be
maintained or protected for the tree's survival. Critical Root
Zone is one foot of radial distance for every inch of tree DBH.
Rowlett means the
area of undisturbed natural soil around a tree defined by a
concentric circle with a radius equal to the distance from the
trunk to the outermost portion of the drip line.
Weatherford the area
of undisturbed natural soil around a tree defined by a
concentric circle with a radius equal to the distance from the
trunk to the outermost portion of the drip line.
West University Place
means, for any given tree, the area within a circle centered on
the trunk location. The circle's diameter is onehalf the sum of
the broadest and the narrowest drip line diameters. See figure
1b attached to the criteria manual.
Critically Alter
Lancaster
uprooting or severing the main trunk of a tree, or any act which
causes or may reasonably be expected to cause a tree to die.
This includes, but is not limited to: damage inflicted upon the
root system of a tree; a change in the natural grade above the
root system of a tree, storage of materials, or the compaction
of soil above the root system of a tree; an application of
herbicidal chemical or the misapplication of beneficial
chemicals; excessive pruning; placement of nonpermeable
pavement over the root system or a tree; or trenching within the
primary root zone. Additionally, a tree may be considered
critically altered if more than 25% of the primary root zone is
altered or disturbed at natural grade, or more than 25% of the
canopy is removed.
McKinney uprooting
or severing the main trunk of a tree, or any act which causes or
may reasonably be expected to cause a tree to die. This
includes, but is not limited to: damage inflicted upon the root
system of a tree by machinery, storage of materials, or the
compaction of soil above the root system of a tree; a change in
the natural grade above the root system of a tree; an
application of herbicidal chemical or the misapplication of
beneficial chemicals; excessive pruning; placement of
nonpermeable pavement over the root system of a tree; or
trenching within the primary root zone. Additionally, a tree may
be considered critically altered if more than 25 percent of the
primary root zone is altered or disturbed at natural grade, or
more than 25 percent of the canopy is removed.
Roanoke
uprooting or severing the main trunk of a tree, or any act which
causes or may reasonably be expected to cause a tree to die.
This includes, but is not limited to: damage inflicted upon the
root system of a tree by machinery, storage of materials, or the
compaction of soil above the root system of a tree; a change in
the natural grade above the root system of a tree; an
application of herbicidal chemical(s) or the misapplication of
beneficial chemical(s); excessive pruning; placement of
impervious pavement over the root system of a tree; or trenching
or boring within the critical root zone.
Crown
Addison
the upper portion of a tree or shrub from the
lowest branch on the trunk of the tree to the highest or widest
extending branch at the top or sides of the tree including all
the leaves and branches of the tree or shrub.
Duncanville in plan
view, the nominal diameter of the foliage of the tree. The part
of a tree which includes branches and leaves.
Cut and Fill
Mansfield
areas where the natural ground level has been excavated (cut) or
fill brought in.
McKinney
areas where the natural ground level has been excavated (cut) or
where fill material has been brought in.
North Richland Hills
means the deposition of rock, concrete, soil or sod such that
the cumulative thickness of all materials is equivalent to six
inches or greater.
Oak Point areas
where the natural ground level has been excavated (cut) or fill
brought in.
Weatherford areas
where the natural ground level has been excavated (cut) or fill
has been brought in.
