20221046 Ver 1_More Info Received_20220906

Mitchell Anderson
Environmental Specialist – Asheville Regional Office
Water Quality Regional Operations Section
NCDEQ – Division of Water Resources
2090 U.S. Hwy. 70
Swannanoa, N.C. 28778
Dear Mitchell:
We are providing a response to your August 26, 2022 email concerning Lot 57 of the Edgewater
Subdivision in Caldwell County. There is a document request cross reference included as
Exhibit -1 to this response.
Subject Property Information: The subject property contains approximately 583 feet of
shoreline according to a survey conducted by J. Lee Gragg Civil Engineering and Surveying. It is
estimated that approximately 200 feet of this shoreline is in the Catawba Buffer using the
information available on the NC Department of Environmental Quality Online GIS (January 8,
2021 data update). The GIS measure of the red outline shows it to be approximately 200’ wide
with 100’ on either side of the shoreline, the actual shoreside buffer is 50’ wide, so the GIS map
is slightly exaggerated. A picture of this site shows the red line intersecting the subject property
designating the Catawba Buffer, next to that is a view from the Caldwell County GIS showing
the view of the subject property with the property lines for comparison:
This map corresponds with the following citation in DNR materials that states the Catawba River
basin buffer rules apply to a 50-foot wide riparian buffer directly adjacent to surface waters
along the Catawba River mainstream below Lake James and along mainstem lakes in the
Catawba River basin. This information was then used translated to the actual site survey to
Response Page 1
determine the buffer area (Please see Exhibit 2 for Site Plan). Using the various GIS views and
the survey we estimate that 200 feet of shoreline of the lot would lay within the Catawba Buffer
and the other 383 feet would fall outside the designated Catawba Buffer area.
The project will require a construction corridor of approximately 10’ to allow access for the
placement of riprap along the shoreline. This would result in an impact area to the Catawba
Buffer of 2000 sq ft with the other work falling outside the designated Catawba Buffer zone
along Freemason Creek. It should be noted for the avoidance of doubt, that the application is
only requesting ~ 498 feet of stabilization which will allow the landowner to provide protection
for the property of the areas seeing the most significant wave action from boats and natural
erosion from the flow of the lake from head waters to the dam. This results in 40% of the 498
foot project falling in the Catawba Buffer and 60% falling along Freemason Creek.
The 10 foot construction corridor along 200 feet will result in the disturbance of 2000 square feet
of Catawba Buffer (200 x 10 ~ 2000 sq ft) - the 2000 sq ft amounts to .0459 of an acre. The
contractor has determined approximately 35 trees will need to be removed to complete the work,
with 12 of the trees falling within the 200’ Catawba Buffer section and 23 taken from the
Freemason Creek section.
Relevant Citations from various publications concerning these types of projects: As a point
of reference we are providing a few excerpts from documents that were used to build our
understanding of the rules used in this response.
Catawba-Wateree Shoreline Management Plan (Section 5 Paragraph A): Shoreline
stabilization is encouraged to control soil erosion in high energy areas.
Section 5 Paragraph 4: Clearing to support stabilization projects – minimal clearing
within the project boundaries is allowed to create corridors for equipment access for
stabilization projects. Access corridors should be incorporated into permanent pier/dock
access corridors (i.e., footpaths) where practical. Native vegetation removed to
accommodate construction access for shoreline stabilization shall be replaced in
accordance with the Vegetation Management Requirements with native vegetation of
similar species or type.
Excerpts from Duke Energy Lake Shoreline Stabilization publication concerning Riprap
stabilization - Revetments or riprap are protective structures of rock, constructed to fit the
slope of the bank. Revetments are particularly useful in shaded areas where vegetation
may be difficult to establish. Riprap provides better aquatic habitat, but, like seawalls,
riprap allows lawns to extend to the water without any buffering vegetation.
Description of Riparian Zones from the August 26th email:
Location of Zone 1 (30 ft from full pond elevation 995.1)
Location for Zone 2 (20 ft wide measures from the edge of Zone 1)
Project Approach Restoration: Based on the zone descriptions above, all the equipment used
to support the work done in the Catawba Buffer will be traversing land that falls into Zone 1. The
Response Page 2
land is on a bluff and the top of the bluff does not get wet with the lake at full pond. The
topography survey shows that the edges of the lot on the point of the lot is at the 995+ feet of
elevation. The bluff has a fairly straight face with a vertical drop from the top of the bluff to the
lake bottom. We believe the riprap stabilization will benefit the lake as the property shows signs
of erosion with the bank undercut by wave/flow action.
Given we are removing 12 trees and to allow for attrition of trees that may not live, the applicant
commits to plant 16 trees in the Catawba Buffer providing for 30% overage to allow for any
attrition. The Catawba Buffer area will be planted with large and small trees and additional
bushes to create a 3-tier growth zone. We believe this proposal is not only responsive to
restoration of the existing growth but also meets the “Guidelines for Riparian Buffer
Restoration” provided by the NC Department of Environmental and Natural Resources dated
October 2004. Assuming the calculation derived that the project will disturb .0459 of an acre in
the Catawba Buffer and the DNR goals of 320 trees per acre within the designated Riparian
Buffer, the area disturbed would require 15 trees (320 x .0459 = 15) to establish a full repair.
Please see Exhibit 3 for the proposed Catawba Buffer restoration planting plan.
The applicant also proposes to plant 30 bushes across the Freemason Creek portion of the project
to foster erosion control and an effective riparian zone along Freemason Creek, we believe this
exceeds of the owner’s obligation along this section of the property. Please see Exhibit 4 for
Freemason Creek restoration planting plan. The new plantings will be maintenance for two years
and loss in excess of 30% will be replanted.
We believe this commitment along with the placement of the riprap will significantly improve
the environmental profile of property from its current condition and result in less future erosion
and infiltration of eroded shoreline into the water surrounding all sides of the subject property.
We also believe the proposed project meets the spirit of each of the citations enumerated above,
including stabilizing an unstable shoreline, using minimal clearing, and restorative plantings, and
using a material that provides a quality aquatic habitat. Also included in our materials are the
following:
•Exhibit 5 - Proposal from Bradley Landscaping
•Exhibit 6 – Plant/Tree reference from “Guidelines for Riparian Buffer Restoration”
provided by the NC Department of Environmental and Natural Resources dated October
2004
•Exhibit 7 - Density reference from “Guidelines for Riparian Buffer Restoration” provided
by the NC Department of Environmental and Natural Resources dated October 2004
We hope you will find this responsive to your request. We look forward to your response.
Respectfully submitted this 6th day of September 2022.
Sincerely,
Hal Johnson Tommy Fraley
Hal Johnson Tommy Fraley
Response Page 3
Exhibit 1 - Information Request Cross Reference
Response Page 4
Information Request Cross Reference
Location of Zone 1 (30 ft from full pond elevation 995.1) - Exhibit 2
Location for Zone 2 (20 ft wide measures from the edge of Zone 1) – Exhibit 2
Location and dimensions of impacts within the Buffer zones – Exhibit 2 and written response
Location and dimensions of impacts to surface waters below the Ordinary High Water Mark
(riprap) – Riprap will be along shoreline as indicated on Exhibit 2.
Description of how many trees will be removed within temporary construction corridors –
Written response
The number and general location of proposed plantings as well as a tree maintenance plan –
Exhibit 3 and written response.
Indicate the location and type of proposed temporary and permanent ground cover – Exhibit
2, 3, 4 and 5
Please provide an updated impact table that includes the following:
•Permanent impacts to surface waters in square feet (riprap below the OHWM)
•Temporary impacts to surface waters in square feet (other impacts below the OHWM)
•Permanent impacts to land above surface waters in square feet (riprap above the
OHWM)
•Temporary impacts to land above surface waters in square feet (other impacts such as
grading above the OHWM)
•Permanent impacts to Zone 1 of the Catawba Buffer in square feet (impacts within 30
ft to the lake for riprap)
•Temporary impacts to Zone 1 of the Catawba Buffer in square feet (impacts within 30
ft to the lake for construction corridors)
•Permanent impacts to Zone 2 of the Catawba Buffer in square feet (impacts between
30 and 50 ft to the lake)
•Temporary impacts to Zone 2 of the Catawba Buffer in square feet (impacts between
30 and 50 ft to the lake for construction corridors)
The impact table can be found on the next page.
Response Page 5
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Response Page 6
Exhibit 2 - Site Plan
Response Page 7
Response Page 8
Exhibit 3 - Planting Guide Catawba Buffer Section of Property
Response Page 9
Response Page 10
Exhibit 4 - Planting Guide Freemason Creek Section of Property
Response Page 11
Response Page 12
Exhibit 5 - Proposal from Bradley Landscaping
Response Page 13
From:Yahoo Notification
To:[e-mail]
Subject:Estimate
Date:Monday, September 5, 2022 2:30:46 PM
Bradley Landscaping
4519 Calico Road
Lenoir, NC 28645
[phone]
September 5, 2022
Estimate for Hal Johnson:
200' Shorline estimate: $5,710.00
Free Mason Creek estimate: $2,400.00
3- loads of mulch if needed estimate: 3,300.00(1,100.00 per load)
If you have any questions, please let me know.
Thanks,
Danny Bradley
Response Page 14
Exhibit 6 - Plant/Tree Reference from “Guidelines for
Riparian Buffer Restoration” provided by the NC
Department of Environmental and Natural Resources dated
October 2004
Response Page 15
Typically, there should be at least three or four understory trees for every canopy tree to
provide structural diversity similar to mature forests. Where shrub species are
incorporated into the planting plan, they should be distributed more densely at outer edge
of riparian buffer to reduce light penetration and recolonization by invasive exotic
species. The following table provides a list of native tree and shrub species appropriate
for use in riparian buffers.
Master List of Native Plants
Native Regions Light Requirements Moisture Requirements
M= Mountains S= Shade L= Low Moisture
P= Piedmont P= Partial Sun M= Moderate Moisture
C= Coastal Plain F= Full Sun H= High Moisture
A= Aquatic
Scientific Name Common Name Region Light Moisture
M P C S P F L M H A
Medium to Large Trees
Acer barbatum Southern sugar maple X X X X X
Acer saccharinum silver maple X X X X X
Acer saccharum sugar maple X X X X
Betula alleghaniensis yellow birch X X X X
Betula lenta cherry birch, sweet birch X X X X
Betula nigra river birch X X X X X X X
Carya aquatica water hickory X X X X
Carya cordiformis bitternut hickory X X X X X X X X
Carya glabra pignut hickory X X X X X X X X
Carya ovata shagbark hickory X X X X X X X
Carya tomentosa mockernut hickory X X X X X X X X
Celtis laevigata sugarberry, hackberry X X X X X
Chamaecyparis thyoides Atlantic white cedar X X X X X
Cladrastis kentuckea yellowwood X X X X
Diospyros virginiana persimmon X X X X X X X X
Fagus grandifolia American beech X X X X X X
Fraxinus americana white ash X X X X X X
Fraxinus pennsylvanica green ash X X X X X X X
Fraxinus profunda pumpkin ash, red ash X X X X
Juglans nigra black walnut X X X X X X
Liriodendron tulipifera tulip poplar, yellow poplar X X X X X X X
Magnolia acuminata cucumber magnolia X X X X X
Magnolia fraseri Fraser magnolia X X X
Nyssa aquatica water tupelo X X X X X X
Nyssa sylvatica black gum X X X X X X X X
Nyssa sylvatica var. biflora swamp black gum X X X X X
Oxydendrum arboreum sourwood X X X X X X X
Picea rubens red spruce X X X X X
Pinus echinata shortleaf pine X X X X X X
Pinus palustris longleaf pine X X X X X
Pinus rigida pitch pine X X X
6
Response Page 16
Scientific Name Common Name Region Light Moisture
M P C S P F L M H A
Pinus serotina pond pine X X X X
Pinus strobus white pine X X X X X
Platanus occidentalis sycamore X X X X X X X
Populus deltoides eastern cottonwood X X X X
Populus heterophylla swamp cottonwood X X X X
Prunus serotina black cherry X X X X X X X X
Quercus alba white oak X X X X X X X
Quercus bicolor swamp white oak X X X X
Quercus coccinea scarlet oak X X X X X
Quercus falcata Southern red oak X X X X X X X
Quercus pagoda cherrybark oak X X X X X X
Quercus laurifolia laurel oak X X X X X X
Quercus lyrata overcup oak X X X X X
Quercus margaretta sand post oak X X X X
Quercus marilandica black jack oak X X X X X X
Quercus michauxii swamp chestnut oak X X X X X X X
Quercus nigra water oak X X X X X X X
Quercus phellos willow oak X X X X X X X
Quercus prinus chestnut oak X X X X X
Quercus rubra Northern red oak X X X X X X
Quercus shumardii shumard oak X X X X X X
Quercus stellata post oak X X X X X X
Quercus velutina black oak X X X X X X
Quercus virginiana live oak X X X X
Robinia pseudoacacia black locust X X X X X X
Taxodium ascendens pond-cypress X X X X
Taxodium distichum bald-cypress X X X X
Tilia americana var. heterophylla basswood X X X X X
Tsuga canadensis Eastern hemlock X X X X X X
Tsuga caroliniana Carolina hemlock X X X X X
Ulmus alata winged elm X X X X X X X
Ulmus americana American elm X X X X X X
Small Trees
Amelanchier arborea downy serviceberry, shadbush X X X X X X
Amelanchier canadensis Canada serviceberry X X X X
Amelanchier laevis smooth serviceberry X X X X X
Asimina triloba pawpaw X X X X X X
Carpinus caroliniana ironwood, American hornbeam X X X X X X X
Cercis canadensis eastern redbud X X X X X X
Chionanthus virginicus white fringetree, old man's beard X X X X X X
Cornus alternifolia alternate-leaf dogwood X X X X
Cornus florida flowering dogwood X X X X X X X
Crateagus crus-galli cockspur hawthorn X X X X X X X
Crateagus flabellata fanleaf hawthorn X X X X
Crateagus flava October haw X X X X X X
Cyrilla racemiflora titi X X X X X
Fraxinus caroliniana water ash X X X X
Gordonia lasianthus loblolly bay X X X X X X
7
Response Page 17
Scientific Name Common Name Region Light Moisture
M P C S P F L M H A
Halesia tetraptera (H. carolina) common silverbell X X X X X
Ilex opaca American holly X X X X X X X X
Juniperus virginiana Eastern red cedar X X X X X X X
Magnolia tripetala umbrella tree X X X X
Magnolia virginiana sweetbay magnolia X X X X X X X
Morus rubra red mulberry X X X X X X
Osmanthus americana wild olive, devilwood X X X X
Ostrya virginiana Eastern hop-hornbeam X X X X X
Persea borbonia red bay X X X X X X
Persea palustris swamp bay X X X X X X
Pinus pungens table mountain pine X X X
Prunus americana American wild plum X X X X
Prunus caroliniana Carolina laurel-cherry X X X X X
Quercus incana bluejack oak X X X X
Quercus laevis turkey oak X X X X
Rhus glabra smooth sumac X X X X X
Rhus hirta (Rhus typhina) staghorn sumac X X X
Salix caroliniana swamp willow X X X X X X X
Salix nigra black willow X X X X X X X
Sassafras albidum sassafras X X X X X X X
Staphylea trifolia bladdernut X X X X
Symplocos tinctoria horse-sugar, sweetleaf X X X X X X X
Ulmus rubra slippery elm X X X X X
Shrubs
Aesculus sylvatica painted buckeye X X X X X
Alnus serrulata* common alder X X X X X X X X
Aronia arbutifolia red chokeberry X X X X X X X
Baccharis halimifolia silverling X X X X X X
Callicarpa americana American beautyberry X X X X X X
Calycanthus floridus sweet-shrub X X X X X
Castanea pumila Allegheny chinkapin X X X X X X X
Ceanothus americanus New Jersey tea X X X X X X
Cephalanthus occidentalis buttonbush X X X X X X
Clethra acuminata mountain sweet pepperbush X X X X
Clethra alnifolia sweet pepperbush X X X X X
Comptonia peregrina sweet fern X X X X
Cornus amomum silky dogwood X X X X X X X
Cornus stricta swamp dogwood X X X X
Corylus americana American hazel, hazelnut X X X X X
Euonymus americanus hearts-a-bustin', strawberry bush X X X X X X X
Fothergilla gardenii witch-alder X X X X
Gaylussacia frondosa dangleberry X X X X X X
Hamamelis virginiana witch hazel X X X X X X X
Hydrangea arborescens wild hydrangea X X X X X
Ilex coriacea gallberry X X X X X
Ilex decidua deciduous holly, possumhaw X X X X X
Ilex glabra inkberry X X X X X X
Ilex verticillata winterberry X X X X X X X X
8
Response Page 18
Scientific Name Common Name Region Light Moisture
M P C S P F L M H A
Ilex vomitoria yaupon holly X X X X X
Itea virginica Virginia willow X X X X X
Kalmia angustifolia var. caroliniana lamb-kill, sheep-kill X X X X X
Kalmia latifolia mountain laurel X X X X X X
Leucothoe axillaris coastal dog-hobble X X X X
Leucothoe fontanesiana dog-hobble X X X X
Leucothoe racemosa fetterbush X X X X X X
Lindera benzoin spicebush X X X X
Lyonia ligustrina northern maleberry X X X X X X
Lyonia lucida shining fetterbush X X X X
Myrica cerifera* Southern wax-myrtle X X X X X X X X
Myrica cerifera var. pumila* dwarf Southern wax-myrtle X X X X X
Myrica heterophylla* bayberry, evergreen bayberry X X X X
Pieris floribunda evergreen mountain fetterbush X X X X
Rhododendron atlanticum dwarf azalea X X X
Rhododendron calendulaceum flame azalea X X X X
Rhododendron catawbiense Catawba rhododendron X X X X X X X
Rhododendron maximum rosebay rhododendron X X X X X X
Rhododendron periclymenoides pinxter flower, wild azalea X X X X X X
Rhododendron viscosum swamp azalea X X X X X X
Rhus copallina winged sumac X X X X X X X
Rosa carolina pasture rose, Carolina rose X X X X X X X
Rosa palustris swamp rose X X X X X X
Rubus allegheniensis Alleghany blackberry X X X X
Rubus cuneifolius blackberry X X X X X X
Rubus odoratus purple flowering raspberry X X X
Salix humilis prairie willow X X X X
Salix sericea silky willow X X X X X X
Sambucus canadensis common elderberry X X X X X X
Spiraea alba narrow-leaved meadowsweet X X X
Spiraea latifolia broad-leaved meadowsweet X X X
Spiraea tomentosa meadowsweet X X X X X X
Stewartia malacodendron silky camellia X X X X
Stewartia ovata mountain camellia X X X X X
Styrax grandifolia bigleaf snowbell X X X X X
Vaccinium arboreum sparkleberry X X X X X X
Vaccinium corymbosum highbush blueberry X X X X X X X X X
Vaccinium crassifolium creeping blueberry X X X
Vaccinium elliottii mayberry X X X
Vaccinium stamineum deerberry, gooseberry X X X X X X
Vaccinium pallidum lowbush blueberry X X X X X
Viburnum acerifolium maple-leaf viburnum X X X X X X
Viburnum dentatum Southern arrowwood viburnum X X X X X X X
Viburnum nudum possumhaw viburnum X X X X X X
Viburnum prunifolium blackhaw viburnum X X X X X X
Viburnum rafinesquianum downy arrowwood X X X X
Viburnum rufidulum rusty blackhaw X X X X X
Xanthorhiza simplicissima yellowroot X X X X X X
* These fix nitrogen and should not be used for riparian restoration adjacent to Nutrient Sensitive Waters.
9
Response Page 19
Exhibit 7 - Density Reference from “Guidelines for
Riparian Buffer Restoration” provided by the NC
Department of Environmental and Natural Resources dated
October 2004
Response Page 20
Where grasses are incorporated into the planting plan on the outside of the buffer strip,
only native grasses should be used. Native grasses produce a much more extensive and
deep root system than commonly used non-native grasses such as fescue.
Common Native Grasses
Andropogon gerardii (Big Bluestem)
Andropogon virginicus (Broomsedge)
Arundinaria gigantea (Giant Cane)
Eragrostis spectabilis (Purple Love Grass)
Panicum anceps (Beaked Panicum)
Panicum clandestinum (Deertongue)
Panicum hemitomon (Maidencane)
Panicum virgatum (Switchgrass)
Schizachyrium scoparium (Little Bluestem)
Sorghastrum nutans (Indiangrass)
Tridens flavus (Purple-Top)
Tripsacum dactyloides (Gama Grass)
Planting Density
Trees should be planted at a density sufficient to provide 320 trees per acre at maturity.
To achieve this density, approximately 436 (10x10 feet spacing) to 681 (8x8 feet spacing)
trees per acre should be planted initially. Shrubs should be planted at a density sufficient
to provide 1,200 shrubs per acre.
10
Response Page 21