WQ0034010_Soils Report_20090506

S&
EC
S,oi`1'.,& E viro'n-mrent-ai:Corisillta.nt.s;•'PA.
11010 Raven, Ridge Road • . Raleigh: North Carolina 27614 • Ph one:_(919) 846-5900 • Fax:`[phone]
www.SandEC.com
Town ofTroy. -
.Attn: '.Gray Walls
315. N.. Main Street
Troy, -NC '27371
RECEIVED] DENRIDwQ
}IFER,PROTCTION SECTION
1/1AY 0 ,71009
May 6, 26.09g°
a 2oo9.
OENR-FA FI I EVILLE REGIONAL OFFICE
Re: Soils Report for Reclaimed Wastewater to be applied. at Montgomery Country Club-
Montgomery County, NC. S&EC'Project #11254.S1:
Introduction:
Soil & Environmental Consultants, PA, (S&EC) has completed a preliminary agronomist-
report for the site referenced above This report addresses the requirements set forth. by
NCAC 02T:0904. (h) concerning anagronomic management plan for the proposed
.application Of reclaimed wastewater on the existing golf course located near the : =
intersectionofNC 13.4.and Okeewemee Road, Troy, NC. Although the golf course
currently disposes of its "wastewater via an existing septic -system, the facility wishes to
utilize reclaimed wastewater from the Town of Troy as' a source of irrigation water for the
'golf course fairways, greens and tee boxes. As' such, reclaimed wastewater would only: be
applied on an "as needed" basis to maintain optimal growing conditions for turf grass.'
Based on,this arrangement, the irrigation would constitute a conjunctive use of the
wastewater.
S&EC traversed the proposed -conjunctive use spray area and observed landforms,(slope,
' ' drainage patterns, past use, etc) as welt as soil conditions (depth, texture, structure,
seasonal .wetness, restrictive horizons, etc.) through the use of hand auger borings. From
, these observations, a soils map was generated (Appendix 1). "Borings. were advanced to a
depth of.48"" (please reference soil boring log locations given` in Appendix'1).Appendix
2 provides .field data for soil conditions encountered at each boring loglocation: Several'
borings were also advanced to a depth of 7feet.to provide a more thorough soil profile,
description. These .7- foot boring descriptions are,provided in Appendix'3, with . '
corresponding locations shown:in Appendix 1.; The ideation of each boring was
:established with. a GPS'receiver At each boring location,the soils were classified by soil
series name according to the standard methodology for soil classification employed by the
Natural Resource Conservation Service.' After classifying the soils -by soil' series name,` '
the soils were further categorized" into map units based, on similar soil characteristics that
Charlotte Office: -,
236 LePhillip Court, Suite C
Concord, NC 28025
Phone: •(704)-720-9405
Fax: : (704) 720=9406= ,'
' 'Greensboro Office: •
3817-E Lawndale Drive
Greensboro, NC 27455,
Phone: [phone]"
Fax: . •[phone]

Soil/Site Conditions:
This' site is located n_-a geological- area containing Carolina Slate Belt parent materials.
Field investigation revealed that the soils within the proposed spray field are most similar ..
to the Georgeville, Tarrus, Nanford, Cid, Lignum; Misenheimer,-Goldston and Altavista
soil series. Georgeville soils are deep, well drained soils with non -expansive. clay'layers:
Cid. and Lignum soils are moderately well -drained to,somewhat poorly_drained and have
expansive clayin the subsoil. Miseriheimer and Goldston soils are both very, shallow _
soils, while Altavista soils are composed of loamy fluvial sediments and form in stream--
-_ terraces. ,Portions of the investigatedarea have been disturbed due to activities associated
With construction, landscaping and grading. As such,.some soils have been cut down-
. and/or contain fill material on the surface.
As previously mentioned, similar soils were grouped together to form soil map units.
These map units consist 'of 1)Georgeville/Tarrus/Nanford (with inclusions of Badin,
Nason, and Tatum) 2)Cid/Lignum 3)Misenheiiner 4)Goldston and 5)Altavista.
NRCS" soil profile.descriptions for the various soil series can be found at the following
- website; by typing in the name of the soil series: http://ortho.ftiv.nrcq:uscla.gov/cgi-
,bin/oscltwiname.cgi. Please keep in mind that these soil descriptions. are NOT the
descriptions for this specific sight but rather:the general pedon description provided by
NRCS for that soil series. These general descriptions are provided merely to serve as a
comparison to the. soil conditions noted in the soil boring logs. Appendix 1 contains the
NRCS soil survey data that shows the soil units as they were mapped on the property
under investigation:..
Recommended Irrigation Rates:
15AANCAC 02T.0904 (b) stipulates that recommendations:regarding the land application
of conjunctive use wastewater shall consider both loading rates of liquids 'and maximum
irrigation precipitation rates:; Because of the conjunctive usage of the wastewater, the
maximum loading rate recommended by'S&EC is one that does "not exceed the maximum
recommended irrigation rate .for the proposed turf grass vegetation.
Detailed irrigation plans completed by Smith Turf and Irrigation identify portions of the -
golf course that will receive reclaimed water for irrigation. Since the proposed irrigation -
scheme'will vary based on unpredictable climatic factors and corresponding dynamic soil
moisture conditions, S&EC evaluated -the site based on the goal of maintaining the a high
qualityturf grass at the site. As indicatedbythe Agronomist Report completed by S&EC.'.
on 568/09, S&EC assumed an' -annual maximum allowable irrigation rate of 25.77,in/yr
applied -during the bermudagrass growing season (April -December). "
Based:on the proposed 'application rate of25.77 in/yr,' S&EC determined that the soils in
-the proposed landscaped areas would need to accommodate a drainage gate of at least 0.1
gal/day/ft2. Based on subsurface wastewater.regulations set forth byNorth Carolina - Department of Environment and'Natural Resources (N.CDENR) regarding.niaximum-

long-term acceptance rates (LTAR), native soils with a clay texture and suitable soil
structure should be able to reasonable assimilate 0.1-0.4 gal/day wastewaterperft2 of soil
area (15A NCAC 18A.1955). Therefore, the proposed landscaped areas should be well -
suited to accommodate the annual maximum allowable irrigation rate of 25.77 in/yr..
Table 1 provides typical ranges for maximum instantaneous irrigation precipitation rates
based on slope and USDA soil texture. As noted in the soil profile descriptions, the soils
in the proposed spray areas have a sandy loam surface texture in their current state.
Using the most conservative slope estimate for this textural class yields a recommended
maximum instantaneous application rate of 0.3 in/hr. Soils may need.to be core aerated
as a means to encourage surface infiltration of the wetted areas.
Table 1
Typical ranges of soil infiltration rates by soil texture and slope.
Basic Infiltration Rate (in/hr)*
Slope
Texture 0-3% - 3-9% 9+% •
sands 1.0+ , 0.7+ 0.5+. ,
loamy sands - 0.7-1.5 " 0.5-1.0 0.4-0.7
'sandy loams and fine sandy loams ' 0,5-1.0 0.4-0.7 , 0.3-0.5
very fine sandy loam and silt loam - 0.3-0.7 0:2-0.5 - 0.15-0.3'
sandy clay loam and silty clay loam 0.2-0.4 0.15-0.25 0.1-0.15
Clay and silty clay - 0.1-0.2 0.1-0.15 < 0.1
Source: Sprinkler Irrigation Association,_Sprinkler Irrigation (1969) •
* For good vegetative cover, these rates may be 25-50%"greater. For poor surface conditions,
rates maybe as much as 50% less.

Conclusion: - _ .
The attached detailed soil boring map and soil boring descriptions provides soil
characterization data for the Montgomery Country Club project. Because of the proposed
conjunctive usage of the wastewater, the maximum loading rate "recommended by S&EC
is one that does not exceed the maximum recommended irrigation rate for the proposed
vegetation in an exceptionally dry year (25.77 in/yr). This•irrigation rate is only intended
for the production of hybrid bermudagrass during its, growing season (April -December).
Additional fieldwork or substantiating data may be necessary to justify these loading rates,
basedon the review by the NC Division of Water Quality. '
• This report discusses the general location of soils for on -site surface wastewater dispersal,
and does not constitute or imply any approval or granting of a permit as needed by the
client from NC DWQ. S&EC is •a professional consulting firm that specializes in the
1, delineation of soil areas for wastewater disposal. As a professional consulting firm,
S&EC is hired for its professional opinion in these matters. The rules governing -
- wastewater treatment (interpreted and governed by local and state agencies) are evolving
constantly, and in many cases, affected by the opinions of individuals employed by the
governing agencies. -
If you have any questions or require additional information, please do not hesitate to call.
[phone].
Sincerely,
Mark
NC License
List of Appendices:
Appendix 1 — Soil Series/ Boring Location Map
Appendix 2 — Soil Boring Descriptions
-
Appendix 3 — 7-foot Soil Boring -Descriptions

Appendix 3- Soil Profile Descriptions
Site: Montgomery Country Club
Location: Deep Boring 1
County: Montgomery
USGS Quad Name & Map Date: Troy
Lat./Long. (NAD 83): 35.3929N 79.8827 W
Current Vegetation: Bermudagrass
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Taxanomic Classification (Family Level):
Fine-Loamy,mixed, semi -active, thermic Aquic Hapluult
Series Name: Altavista
Landscape Position: Stream Terrace
% Slope: 0-2%
Conducted By: DS, EB
Date: 4/16/2009
Structure - SIZE
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FR
NS
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Restrictive Horizon:
Type Depth Thickness
Seasonal- High Water Table:
Depth Type (apparent/perched):
Drainage Class:

Appendix 3- Soil Profile Descriptions
Site: Montgomery Country Club
Location: Deep Boring 2
County: Montgomery
USGS Quad Name & Map Date: Troy
Lat./Long. (NAD 83): 35.3941N 79.8823 W
Current Vegetation: Bermudagrass
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Taxanomic Classification (Family Level):
Fine-Loamy,mixed, semi -active, thermic Aquic Hapluult
Series Name: Altavista
Landscape Position: Stream Terrace
% Slope: 0-2%
Conducted By: DS, EB
Date: 4/16/2009
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Restrictive Horizon:
Type Depth - Thickness
Seasonal High Water Table:
Depth Type (apparent/perched):
Drainage Class:

Appendix 3- Soil Profile Descriptions
Site: Montgomery Country Club
Location: Deep Boring 3
County: Montgomery
USGS Quad -Name & Map Date: Troy
Lat./Long. (NAD 83): 35.3865N 79.8815 W
Current Vegetation:. Bermudagrass
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Taxanomic Classification (Family Level):
Fine, kaolinitic, thermic Typic Kanhapludult
Series Name: Georgeville
Landscape Position: Ridgetop
% Slope: 2-5%
Conducted By: DS, EB ':
Date: 4/16/2009
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Restrictive Horizon:
Type Depth Thickness
Seasonal High Water Table:
Depth Type (apparent/perched):
Drainage Class:.

Appendix 3- Soil Profile Descriptions
Site: Montgomery Country Club
Location: Deep Boring 4
County: Montgomery
USGS Quad Name & Map Date: Troy
Lat./Long. (NAD 83): 35.3857N 79.8827 W
Current Vegetation: Bermudagrass
Taxanomic Classification (Family Level):
Fine, mixed, semiactive, thermic, Aquic Hapludult
Series Name: Lignum
Landscape Position: Footslope
% Slope: 2-5% .
Conducted By: DS, EB
Date: 4/16/2009
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Restrictive Horizon:
Type Depth Thickness
Seasonal High Water Table:
Depth Type (apparent/perched):
33
perched
Drainage Class:
MW