20111013 Ver 1_CAMA Application_20111121

G�� Kimley-Horn
� and Associates Inc
20 1 1 1 0 1 3
.
November 18 2011 P 0 Box 33068
Raleigh North Carohna
27636 3068
W�ll�am Wescott
U S Army Corps of Eng�neers � � �7�
2407 West F�fth Street �l
Washmgton NC 27889 4 � �
w.,
Ian McM�llan � ��i7� V l5 �
N C Div�s�on of Water Quality
D
401/Wetlands Un�t N�� 2 � 20�'
1650 Mail Service Center �
Rale�gh NC 27699 1650 �6�q1����
Re Sec 404 401 Indiv�dual Permrt Application
Martm Mar�etta Materials—Vanceboro Site
Beaufort and Craven Counties
Dear Mr Wescott and Mr McMillan
On behalf of our cl�ent Martm Mar�etta Mater�als Inc(MMM) K�mley Horn and
Assoc�ates Inc (KHA) is subm�tt�ng the enclosed Indrvidual Department of the
Army Permit Application for authorization pursuant to Sect�on 404 and 401 of
the Clean Water Act to construct the above reference pro�ect The followmg
mformation is mcluded as part of the application subm�ttal
• Ind�v�dual Permit Application Eng�neer Form 4345
� Ind�v�dual Permit Support Document
MMM has amended their Mine Plan for the pro�ect wh�ch was approved m
September 2011 and has recently submitted their NPDES permit appl�cat�on to
the North Carolma D�vis�on of Water Qual�ty
Please grve me a call at 919 677 2121 should you have any questions or need
addit�onal �nformation
■
TEL [phone]
FAX [phone]

Very truly yours
KIMLEY HORN AND ASSOCIATES INC
Chad Evenhouse PWS
Pro�ect Manager
Attachments
Cc Horace Willson Martin Marietta Mater�als

2 0 1 1 1 0 1 3
U S ARMY CORPS OF ENGINEERS on�s apPROV�No o��ao � � f �
APPLICATION FOR DEPARTMEIdT OF THE ARMY PERMIT EXPIRES 31 AUGUST 2012 � �
3 CFR 325 �
�
Publ�c repor�ng for this collecfion of informat�on�s est�mated to average 11 hours per response �nclud�ng the t�me for rewevr�g instrucbons s�rchmg
existing data souroes gathenng and maintammg the data needed and completing and reviewing the colfectian of informaUon Send comments regarding """�
this burden esi�mate or any other aspect of the collectron of mmformation includin�suggesUons for redudng ih�s burden to Department of Defense
Washington Headquarters Executive Services and Communicat�ons Direciorate Informai►on Management Diviscon and to the Office of Management and
Budget Papervvork Reduction Pro�eci(0710-OUO3) Respondents should be aware that noiwrthstanding any other provision of[aw no person shall be
su�ect to any penalty for failing to campiy with a collection of InformaUan if rt does not display a currerrtly valid OMB control number Please DO NOT
RETURN your fonn to e�ther oE those addresses Campleted apphcabons must be submdfed to the D�strict Engineer hav�ng jurisdiction over the locabon of
the proposed activiiy
PRIVACY ACT STATEMENT
AuthonUes Rive�s and Harbor�Act SecGon 10 33 USC 403 Clean Water Act Sect�on 404 33 USC 1344 Manne Protecbon Researoh and Sanduanes
Act Seetlon 103 33 USC 1413 Regutatory Programs ofthe Corps of Er�gineers Final Rule 33 CFR 320-332 Prindpal Purpose Information provided on
this form v�nll be used in evaluaUng the appl�caUon for a permd Roufine Uses This mfnrmahon may be shared mnth ihe Departmerrt of Jusfice and other
federal state and locai govemment agencies and the public and may be made avadable as part oF a public notice as required by Federal law Submission
of requested mformation is voluntary however �f mformabon is not prowded the permit applicaUan cannot be evaluated nor can a permit be issued One set
of onglnal draNnngs or good reproducible copies which show the IocaUon and character of the proposed acUvfty must be attached to this applicatlon(see
sample dravinngs endlor mstrucUans)and be submitted to the D�stnct Engineer hawng�unsdiction over the(ocation of the proposed ac�vdy An applicaUon
that is not compieted in fuil�nnll be retumed
(1TEMS 1 THRU 4 TO BE FILLED BY 7HE CORPS)
1 APPLICATION NO 2 FIELD OFFICE CODE 3 DATE RECEIVED 4 DATE APPLICATIQN COMPLE7E
(lTEMS BELOINTO 8E FILLED BYAPpLlCANn
5 APPLICANTS NAhAE 8 AUTHORIZED AGENTS NAME AND TITLE(agerrt(s not reqwred)
First Paxton M�ddle Last Badham F�rst Chad M�ddle Last Evenhouse
Company Marhn Manetta Matenals Company Kunley Horn and Associates Inc
E mail Address paxton [e-mail] E mall Address Chad Evenhouse@]nmley horn com
6 APPLiCANTS ADDRESS 9 AGENTS ADDRESS
Address 271Q Wycl�ffRoad Address PO Box 33068
Ciry Ra.leigh State NC Z�p 276�7 Country USA City Raletgh State NC Zip 27636 Country USA
7 APPLICANTS PHONE NOs w1AREA CODE 10 AGENTS PHONE NOS w/AREA CODE
a Residence b Busmess c Fax a Residence b Buslness c Fax
919 783 4534 919 677 2121 919 677 2050
8TATEMENT OF AUTHORIZATIOPI
11 I hereby authonze Kmiey Hom and Assoc�aies lnc to act In my behalf as my a in the prooessing of this applicatlon and to furnish upon request
supptemeMal InfarmaUon In support of this permd pplicaUan
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SIGNATURE OF APPLIC DATE
NAAAE LOCATION AND DESCRIP'f10N OF PROJECT OR ACTIVITY
12 PROJECT NAME OR TITLE(see instrucUons)
Mart�n Manetta Matenals Vanceboro Srte N 0 V � 1 2 011
13 I�iAME OF WATERBODY IF KNOWN(if applicable) 14 PROJECT STREET ADDRESS('sf appU@�}WATER QUALfTY
Address ��S�D STORMWATER BRANCH
l5 LOCATIOfV OF PROJECT
Latitude N 35 2084 l.ongitude W 77 0054 �� State- Zip-
1fi OTHER LOCATION DESCRIPTIONS IF IQVOWiV{see instructlons)
State Tax Parce1 ID Munic�pality
Secllon Township Range
ENG FORM 4345 OCT 2010 EDITION OF OCT 2004 IS OBSOLETE ProponeM.CECW-OR

17 DIRECTIONS TO THE SITE
Acce,s,�to the property is east from Highway 17 on C C Road approxvnately 6 zzules and then south an Schull 2 Road approx�mately 2 5
es The srte is located on the drainage basm drnde between the Neuse River and Tar Pamlico River Basu�s See attached documents fc
vic�ty and USGS topograpluc mapping
� m� mr
18 Nature of Adiwty(DescnpUon of pro}ect include all features)
The pro�ect�s a 1 664-acre quarry operation,�mcludu►g a 649 acre prt(built out) which wxll include consiruchon of all mfrastructuze€or
the operahon processmg facihhes overburden stockpile areas and the mine prt Construct�on of the operahon will result m the
unavoidable loss of b 69 acres of�unsdichonal wetland and 58 671 hnear feet of�unsdictional waters A detailed descnptton of the
pro�ect purpose is mcluded m the prov�ded application support document
19 Pro�ect Purpose(Describe the reason or purpose of the pro�ect see instructlons}
The basic pro�ect purpose for the proposed acuvity is to develop a new mme in order ta provide long tertn supply of aggregate to tb.e
reg�anal market that pnmanly tncludes the New Bem and Washuigton,NC as well as Beaufort and Craven Counhes A more complete
descnphon of the pzo�ect purpose m provided m Sechon 2 0 of the attached pernut apphcation support documen�
USE BLOCKS 20-23 IF DREDGED AND/OR FILL MATERIAL IS TO BE DISCHARGED
20 Reason(s}for Discharge
'T`he d�scharge of fill incIuduig earthen matenal nprap and excavataon within�unsdtcaonal areas is requued for the construcnon of
infzastructure and relocat�on of overburden associated v►nth the development of a new muie Because of the type of fac�ty psoposed and
the extensive disturbance required,the wefland and water vnpacts are unavo�dable AltemaUves considered were determined to be
unprachcable and unable to meet the pro�ect purpose and need and the proposed Muie Plan represents the least dantaging practicable
alternat�ve Addihonally mingat�on will be provcded.to offset the proposed�mpact to wetland. Addihonal uiformahon regarduig Site
altematxves and measures taken to avoid and mmim�ze unpacts are presented in the attached permit apphcahon svpport document
21 Typa(s)of Material Being Discharged and the Amount af Each Type in Cubic Yards
Type Type Type
Amour�t in Cub�c Yards � Amount in Cubic Yards Amount in Cubic Yards
Earthen fiil Approx 50 000 CY
22 Surface Area in Aaes of Wetlands or Other Waters Flled(see mstrucUons}
Acres 6 69 acres of wetlands
or
I�near Feet 58 671 linear feet of waters
23 Descnpbon of Avoidance Mirnmiza�on and Compensation(see mstructions)
The proposed development and Site boundary was redefined to avoid unpact to approaumately 60 acres of wetland AIso vv�ttun the Site
areas have been idenhfied to not be disturbed that include 173 50 acres of wetland. T`he unavoidable aurpact to wetlands is due to the
mimmum size mine pit area and configurahon that meets tt►e pro�ect purpose and need Compensatory mingahon is proposed through m
heu fee payment to the N C Ecosystem Enhancement Program Addihonal mformarion regazding avoidance mm�m»ariou and mrt�gahon
are presented in the attached permit apphcahon supporhng document
ENG FORM 4345 OCT 2010

24 Is My Portion of the Work Already Complete7 OYes [�X No IF YES DESCRIBE THE COMPLETED WORK
25 Addresses of Ad�oining Property Owners Lessees Etc Whose Property AdJoins the Waterbody�e more n,an can�e encerea nere �ea4e anacn a supWemenc�i��
a Address Weyerhaeuser Corporation 1785 Weyerhaeuser Road
City Vanceboro State NC zip 28586
b Address �
City Stafe Lp
c Address
Cdy State Zip
d Address
Csty State Zip
a Address
City State Zip
26 List of Other Certificates or Approvals/Denials recewed from other Federal State or Local Agencles for Work Described tn This ApplicaUon
AGENCY NPE APPROVAL IDENTIFICATION DATE APPLIED DATE APPROVED DATE DENiED
NUMBER
NCDENR DWQ 401 WQC concurrent w�th 404
NCDENR DWQ NPDES concurrent with 404
see attached
Would�nGude but�s not restncted to zonmg butlding and flood plaln permits
27 Application is hereby made for permft or permits to uthonze the work descnbed in this applicahon I certrfy that this informaUon in this application is
complete and accurate I further certify that I possess orrty to undertake the work described herein or am acting as the duly authonzed agenf of the
appliqnt
• ����G,a� �..�„ �/•
�. �(,� �i t�-��r �
SIGNAlURE OF APPLICANT DATE SIGNATURE OF AGENT DATE
The ApplicaUon must be signed by the person who desires to undertake the proposed acfivity{appl�cant)or it may be signed by a duly
�uthonzed agent if the statement in block 11 has been filled out and s�gned
18 U S C Section 1001 prowdes#hat Whoever in any manner wrthin the�unsdichon of any department or agency of the Urnted States
knaw�ngly and wsllfully falsifies conceals or covers up any tnck scheme or disguises a matenal fact or makes any Ealse fichtious or
fraudulent statements or representat�ons or makes or uses any false wnUng or document knowing same to contain any false fictitious or
fraudulent statements or entry shall be fined not more than$10 000 or impnsoned not more than five years or both
ENG FORM 4345 OCT20J0

SECTION 404 INDIVIDUAL PERMIT APPLICATION SUPPORTING
DOCUMENT
Martin Marietta Materials
Vanceboro S�te,
Beaufort and Craven Counties, North Carolina
Prepared for -
Martin Marietta Materials
2710 Wycliff Road
Raleigh, NC 27607
Martrn Marietta Materiats ���
"V��
OK�mley Horn and Assoc�ates Inc 2011

Executive Summary
This document constrtutes supportmg documentation for the U S Army Corps of Engmeers
preparation of the Env�ronmental Assessment Findmg of No Significant Impact Statement of
Fmdmgs and review and compliance determuiation accordmg to the 404(b)(1) guidelmes for
the proposed Martin Marietta Matenals (MMM) quarry pro�ect m Beaufort and Craven
Counties North Carolma
Tlus permrt action is proposed under the authonty delegated to the Wilmmgton Distnct
Engmeer by the Secretary of the Army and the Cluef of Engineers by Title 33 Code of Federal
Regulations Part 325 8 pursuant to
Section 10 of the Rivers and Harbors Act of 1899
X Section 404 of the Clean Water Act
Section 103 of the Marme Protection Research and Sanctuaries Act
Section 4(e) of the Outer Contmental Shelf Lands Act of 1953
Applicant Martm Marietta Materials (MMM)
Agent Chad Evenhouse PWS
Kunley Horn and Associates Inc (KHA)
Date of Apphcation October 20l 1
ORM ID SAW 2008 00968
Apphcant's Stated Purpose
The purpose of the pro�ect is to develop the Site for a marine limestone aggregate mme
operation m order to meet the local demand of aggregate matenal
Location
The Vanceboro pro�ect srte (Site) is located approximately 7 miles east of Highway 17 on the
Craven Beaufort County border in North Carolma (35 2080°N 77 0054°V� Access to the
property is east from Highway 17 on C C Road approxunately 6 miles and then south on
Schu112 Road approxunately 2 5 rrules The site is located on the dramage basm divide
between the Neuse River and Tar Pamlico River Basms
E�shng Site Conditions
The Site is 1 664 acres m size The Site is ent�rely located m an area converted and managed
for silviculture (Loblolly Pme) and is currently owned and managed by the Weyerhaeuser
Corporation There are areas of wetlands beyond the dramage mfluence of the ditches and m
topograpluc depressions withm the site However, the managed pme plantation �s located on
the topograpluc high pomt and mter stream divide between the Neuse River(Hydrologic Umt
Code 03020202) and Tar Pamlico River (Hydrologic Urut Code 03020104) Basms and is
� � IGmley Horn
� and Assaaates,Inc

generally well dramed by the drtch dramage system Land located ad�acent to the proposed
mme site is also ent�rely pme plantation withm a total contiguous tract of approxunately 90 000
acres managed by Weyerhaeuser The Site contains 180 19 acres of�ur�sdictional wetlands and
99 0591uiear feet of man made dramage drtches wluch are considered�urisdictional waters
regulated by the U S Army Corps of Engmeers (USACE) under the Clean Water Act (CWA)
Of these�unsdictional waters 65 0451mear feet are Relatively Permanent Waters (RPV� and
34 0141mear feet are Non Relatively Permanent Waters (Non RPV� The site also contams
119 0881uiear feet of non�urisdictional ditches The Jurisdictional wetlands wrtlun the Site
mclude 7 89 acres of wetlands that are shallow landscape depressions dommated by hardwood
species The remamuig 172 30 acres is managed pme fo�est that meets USACE wetland
critena The RPWs are collector or roadside ditches that are generally deeper and have a
permanent water surface due to the�r connection to surficial groundwater Non RPWs include
mterior lateral drtches exhibrtu�g uidicators of at least a seasonal flow regune Withm the Site
non RPWs are typically connection segments between non�urisdictional ditches and deeper
collector drtches/RPWs A Junsdictional Determuiation was made by the USACE m March
2008 and stream ongmation deternunations by the North Carolma Division of Water Quality
(NCDWQ) were conducted ui 2005 and 2010
There is a partially enclosed shelter used by a local hunt club withm the 1 664 acre Srte
proposed for the development of the muung operation In addrtion the former Welbourne
a�rstrip is located withm the Site but has smce been abandoned and replanted wrth puies
Pro�ect Description
The proposed activrty would mvolve the development of a 649 acre open prt aggregate mule
processmg plant (crushers, conveyers scales etc) and overburden stockp�le areas withm the
1 664 acre Site over the course of approximately 50 years Total unpacts for the built out
condrtion of the mine mclude 6 69 acres of Jurisdictional wetland (non nparian) and 58 671
lmear feet�urisdictional waters (32 060 hnear feet of RPW man made dramage ditch and
26 611 luiear feet of Non RPW man made drtch) To mitigate for the proposed unpacts the
applicant proposes to restore 6 75 acres of non nparian wetland via payment mto the North
Carolma Ecosystem Enhancement Program(NC EEP) assumuig a 1 1 irutigation ratio rounded
to the nearest quarter acre Impacts to Jurisdictional areas are depicted on Figure 6 and the
proposed unpacts summarized m the followmg table
� IGmiey-Hom
�� �❑ and Assoaat� Inc

Stream and Wetland Im acts & Mitigahon
Impact ShO� Permanent Mrtigation Required
Number Feature F�e Type of System Type of Impact Impacts* Ratio Mitigahon
Wetland Forested Excavation
1 WD 2 5 Non Riparian �Strippmg Over 3 62 acres 1 1 3 62 acres
burden Muie Prt)
Wetland Forested Excavation
2 WD 3 5 Non Rtparian (Strippmg Over 1 25 acres 1 1 1 25 acres
burden Muie Prt
Wetland Forested Excavation
3 WD 4 5 Non Ripanan �S�ippmg Over 0 98 acres 1 1 0 98 acres
burden Mine Prt)
Wetland Forested Excavation
4 WM 13 5 Non Riparian (Strippmg Over 0 84 acres 1 1 0 84 acre
burden Muie Pit)
RPW 5 Collector/roadside Excavation or Fill 32 060 NA NA
man made drtches feet
Intenor lateral
Non 5 man made Excavation or Fill 26 611 NA NA
�W dramage drtches feet
Wetland Im aCt Totals 6 69 acres 6 75 acres
Man-Made Waters Impact Totals 58 671
feet
*Impacts rounded up to nearest hundredth of an acre
Other Required Authorizations
A Mirung Permrt #07 57 for the Srte was approved by the NC Division of Land Resources
(NCDLR) on September 7 2011 Other requ�red authorizations that w�ll be obtamed pnor to
construction of the proposed work uiclude an Individua1401 water qualrty certification from
the North Carolma Division of Water Quahty(NCDWQ) North Carolma Division of Coastal
Management (NCDCM) CAMA Consistency review muie safety pernuts etc
The Srte is located wrth�n one of North Carol�na s 20 coastal counties sub�ect to the Coastal
Area Management Act(CAMA) Smce the Site is ent�rely withm managed pine plantation and
is uiland from the estuary there are no Areas of Env�ronmental Concern(AEC) withm the site
Therefore a CAMA pernut from the NCDCM is not requ�red, however a CAMA Consistency
Review will be conducted for the proposed pro�ect
Essential Fish Habitat(EFH)
A search of the National Oceamc and Atmospheric Admimstration(NOAA) and the National
Maruie Fishenes Service (NMFS) Essential Fish Habitat Mapper on August 18 2011 found no
designated Essential Fish Habitats (EFHs) near the Site The closest mapped EFH area to the
Site is approxunately 11 miles downstream m Blount s Bay north of the pro�ect area near
Creek Road Bridge that serves as the division between Blount s Creek and Blount s Bay The
South Atlantic Fisheries Council designates Blount s Bay, as well as the larger Pamlico Sound
as Red Drum EFH area and as Shellfish Growing Areas Additionally Blount s Bay is
designated as a Habitat Area of Particular Concern(HAPC) for Penaeid Shrunp Red Drum,
��� ❑�❑ IGmley-Hom
� and Assoaates Inc

Snapper and Grouper Given the distance downstream from the Site it is unlilcely that this
pro�ect will have an adverse effect on the EFH areas m the Pamlico Sound
Cultural Resources
A search of the North Carolma State Histonc Preservation Office (SHPO) GIS Database on
August 18 2011 shows that there are no known State H�stonc Properties wrth�n or ad�acent to
the Srte Extendmg the search around the Site does not result in any known occurrences of
cultural or lustonc importance withm a 1 mile radius of the Srte On January 8 2008 the
Department of Cultural Resources (DCR) Office of Arcluves and History was contacted
regardmg lustoncal cultural or archaeological resources m this area No cultural resources
were recorded wrtlun the property at that time and the DCR mdicated that there was not a high
probability of archeological resources occurruig withm the pro�ect area
Endangered Species
A review of the North Carolma Natural Heritage Program Database on August 18 2011
mdicated that there were no known occurrences of endangered or threatened species withui the
Site The habrtat condrtions are favorable m this area for Canas rufus(Red Wol fl however
Red Wolves have only been known to occur m the northeast corner of Beaufort County and
only north of the Pamlico River Given the srte location m southwestern Beaufort County and
south of the Pamlico River a there are no anticipated adverse effects for federally listed
endangered or threatened species or habrtat for the pro�ect
� IGmley-liom
�� � and Assoaates,Inc

Contents
1 0 Location Existmg Srte Condrtions, Pro�ect Descnption Changes to Pro�ect 1
11 Location 1
1 2 Existmg Srte Condrtions 1
1 2 1 Land Use and Property Management 2
1 2 2 Topography 2
1 2 3 Streams and Wetlands 3
1 2 4 Soils 4
1 2 5 Vegetation 4
1 2 6 Protected Species and Habitat 4
1 2 7 Histoncal and/or Archaeological Srtes 5
1 2 8 Regulated Floodplam 5
1 3 Pro�ect Description 5
2 0 Pro�ect Purpose 6
2 1 Proposed Impacts 6
2 2 Stormwater Quahty Controls 7
3 0 Scope of Analysis 7
4 0 Other Federal State and Local Authorizations Obtamed or Requ�red and Pendmg 8
4 1 State water quahty certification(401) 8
4 2 Coastal Area Management Act (CAMA) Consistency Determuiation 8
4 3 Other authorizations 8
5 0 Alternatives [33 CFR 320 4(b)(4) 40 CFR 230 10] 8
5 1 Avoidance (No action uplands and availability of other srtes) 9
5 1 1 No Action/Upland Only Alternative 9
5 1 2 Off Site Alternatives 10
5 2 Mmimization (modified proJect designs etc) 11
5 3 Secondary and Cumulative Impacts 12
5 3 1 Mine Dewateruig and Ad�acent Wetlands 13
5 3 2 Water Qualrty and Downstream Receiving Waters 14
5 4 Mrtigation 16
5 5 Conclusions of Alternatives Analysis 16
Figures
Figure 1 Vicmrty Map
Figure 2 USGS Topograpluc Map (Ernul Quadrangle 1983)
Figure 3 USDA/NRCS Soil Survey(Craven County 1989 Beaufort County 1995)
Figure 4 Martm Marietta Matenals Vanceboro Mme Plan(approved by NCDLR on
September 7 2011)
Figure 5 Clean Water Act Junsdictional Areas
Figure 6 Proposed Mume Plan Clean Water Act Jurisdictional Areas Impacts
Figure 7 Morutonng Plan
Figure 8 History of Pro�ect Area
� ❑�❑ Ifiml�y-Hom
� and Assoaat�s Inc

Appendices
A U S Army Corps of Engmeers Jurisdictional Determination(dated March 22 2008)
B North Carolma Division of Water Qualrty Tar Pamhco Riparian Buffer Deternunation
Letters (2005 2010)
C Techmcal Memorandum Geomorpluc and Hydraulic Analysis for the Proposed Built
out Dewatenng Discharge (July 2010)
D Aquatic Habitat Assessment of the Upper Headwaters of Blount s Creek ui the Viculity
of a Potential Quarry Site near Vanceboro Beaufort County NC (August 2011)
E North Carohna Ecosystem Enhancement Program—In Lieu Mrtigation Acceptance
Letter(October 25 2011)
� IGmiey-Horn
� � and A�t�,Inc

1 0 Location, Existing Site Conditions, Pro�ect
Description, Changes to Pro�ect
11 Locat�on
The Vanceboro pro�ect srte (Site) is located appro�mately 7 rrules east of Highway
17 on the Craven Beaufort County border in North Carolma(35 2080°N
77 0054°V� Access to the property is east from Highway 17 on C C Road
approxunately 6 miles and then south on Schu112 Road approximately 2 5 miles
The srte is located on the dramage basm divide between the Neuse River and Tar
Pamlico River Basms Blount s Creek is the nearest off site tnbutary(approxunately
0 5 miles from the eastern portion of the pro�ect boundary) recervmg dramage from
the srte ultunately dischargmg mto the Pamlico River approxunately ten miles
_ downstream of the Srte Mauls Swamp is the nearest off site tnbutary(approxunately
two rrules from the western portion of the pro�ect boundary) receiving draulage from
the srte dischargmg mto Swift Creek a tnbutary to the Neuse River approxunately
five miles downstream Blount s Creek hkely becomes a navigable waterway at NC
Highway 33 approxunately 4 miles downstream, from the Srte Hernng Run Road
�ust east of Blount s Creek is a paddle trail access location for Blount s Creek and
Blount s Bay Mauls Swamp connects to a navigable waterway(Swift Creek) ul the
Town of Vanceboro �ust west of Highway 17 The Srte location is shown in the
attached figures (Figure 1 —Vicmity Map Figure 2—USGS Topographic Map and
Figure 3 —USDA/NRCS Soil Survey)
12 Ex�stmg S�te Cond�t�ons
The pro�ect Site is 1 664 acres m size and is comprised ent�rely of managed pme
plantation operated by the Weyerhaeuser Company The pro�ect srte is located withm
a larger 90 000 acre Weyerhaeuser managed pme plantation and is accessed through
e�stuig roadways The nearest residential address is approxunately 2 5 miles away
from the pro�ect boundary Figure 5 mcludes an aerial photograph (2010)of the
pro�ect area and surroundmg site conditions
Wrthin the Site there are 180 19 acres of�urisdictional wetland Five wetland areas
(WD 1 through WD 5) are depressional features wrth predomuiant hardwood species
compared to the remainmg wetlands wrthul the Site that are managed pme forest
meetmg USACE wetland criteria ln addition to the wetlands there are numerous
man made drauiage ditches wrthm the Site totalmg 218 147 hnear feet (LF) Some
of the ditches are considered non�urisdictional channels however �urisdictional
waters (Relatively Permanent Waters and Non Relatively Permanent Waters) total
99 059 LF (65 045 LF and 34 014 LF respectively) A Jurisdichonal Determuiation
was approved by the USACE u1 January 2008 and is mcluded as Append�A
l ❑�❑ and�Assoaates Inc

1 2 1 Land Use and Property Management
All four d�rections surroundmg the Site consist of managed silviculture pme
plantation The tracts surroundmg the pro�ect are owned and managed by the
Weyerhaeuser Company Highway 17 is 7 miles west of the pro�ect site and
the closest developed area is the Town of Vanceboro wluch is 6 5 miles to the
southwest Approxunately 8 rrules to the northeast is Blount s Bay wluch is a
tnbutary to the Pamlico Sound The city of New Bern and the Neuse River
are approxunately 15 nules to the south The land located between these
pomts of mterest and the pro�ect site is pnmarily comprised of managed pme
plantation The ad�acent land uses presents a significant undeveloped buffer
around the pro�ect site
Martm Marietta Matenals (MMM) has a lease agreement wrth Weyerhaeuser
that specifies the�r well defined nghts to use the Site for quarrymg and related
purposes wlule Weyerhaeuser retams substantiai nghts to mamtain its timber
on the muie site and contmue to grow tunber on the surroundmg land Per the
agreement between MMM and Weyerhaeuser if MMM needs to remove
timber wrthm the Site before its matunty MMM must pay the value of non
merchantable tunber to Weyerhaeuser Weyerhaeuser retauls the right to come
onto the Site at any tune with reasonable notice to mspect the property and to
mamtam rts tunber plantation or harvest and remove its tunber Further
Weyerhaeuser has the nght to review MMM s operations plan so that they
may assure that the�r tunber rights are protected
MMM has the right to use the Weyerhaeuser roads connectmg the muie site to
public roads but these external pnvate roads are under the control of
Weyerhaeuser and MMM cannot re route or alter them Therefore the
external roads will be maultauied by Weyerhaeuser for its tunber busmess as
well as for MMM s srte access
For the �nternal roads wrthm the Site Weyerhaeuser retams the right to
control location of relocated roads and the nght to use existmg roads for its
tunber business MMM must mamtam the existmg roads withm the Site to
provide access to Weyerhaeuser
1 2 2 Topography
The Site is located m the Coastal Plam physiograpluc region and is mostly
flat The site slopes gradually from 12 5 feet above sea level (MSL) on the
southern side of the pro�ect at Nancy Branch Road to 11 5 feet above sea
level (MSL) on the easternmost part of the pro�ect srte at Welbourne Road
The Site is located on the mter basm divide and topograpluc high pomt
between the Tar Pamhco River Basm to the north (HUC 03020104 NCDWQ
sub basm 03 03 07) and the Neuse River Basm to the south(HUC 03020202,
NCDWQ sub basm 03 04 09)
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1 2 3 Streams and Wetlands
Blount s Creek to the East and Mauls Swamp to the West are the nearest
classified receivmg streams to the Site Both Blount s Creek and Mauls
Swamp are classified by NCDWQ as C Sw NSW ( C are waters protected
for secondary recreation fishmg, wildlife fish consumption aquatic life
uicludmg propagation survival and maintenance of biological mtegrity
agriculture and other uses surtable for Class C `NSWis a Supplemental
classification ultended for waters needulg additional nutnent management due
to the�r bemg sub�ect to excessive growth of irucroscopic or macroscopic
vegetation, Sw is a Supplemental classification ultended to recogmze those
waters wluch are topograplucally located so as to generally have low
velocities and other natural charactenstics wluch are different from ad�acent
streams drairung land with steeper topography) The Site is not located m a
Water Supply Watershed and there are no Outstandmg Water resources or
High Qualrty Waters withm or unmediately ad�acent to the Srte
Figure 5 shows the�urisdictional areas sub�ect to the Clean Water Act as
waters of the U S approved by the USACE ui March 2008 The proposed
Site includes 180 19 acres of�urisdictional wetlands and 99 0591mear feet of
Jurisdictional waters all of wluch are man made dramage drtches NCDWQ
conducted field reviews m 2005 and 2010 to determme stream ongmation
locations to deternune applicability of the Tar Pamlico Riparian Buffer Rules
These locations east of the Srte and are shown �n Figure 5 The approved
Jurisdictional Determmation �s mcluded as Appendig A and the NCDWQ
buffer determmation letters are mcluded as Appendix B
Table 1 Summa of Jurisdichonal Features*
Site Area 1,664 Acres
Jurisdictional Waters 99, 059 LF
(Relatively Permanent Water(RPV�) (65 045 LF)
(Non Relatively Permanent Water on RPV�) (34 014 LF)
Jurisdictional Wetlands 180 19 Acres
(Forested Hardwoods) (7 89 Acres)
(Managed Pme Forest) (172 30 Acres)
*Per the Jurisdictional Determinatton approved by the USACE on March 21 2008
The Site is located on a broad mter stream divide and may have lustoncally
been ent�rely wetland lilcely a wet flat or pocosm type commumty However
the srte was histoncally converted for s�lviculture mclud�ng bedding and rows
mterior lateral dramage drtches forest roads and collector/roadside drtches
Areas witlun tlus altered ma.naged landscape are areas that still meet USACE
wetland hydrology criteria m sprte of the altered hydrology due to the
drainage system These�unsdictional wetland areas are those that are
typically further from the ditches but are still managed pme plantation or are
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shallow depression features ui the landscape which typically have more
hardwood species The depression features that are�urisdictional wetlands
(WD 1 through WD 5) total7 89 acres witlun the Site The rema.mmg
Jurisdictional wetland area (172 30 acres) is m managed pme forest Figure 5
shows these�urisdictional wetland features
1 2 4 Soils
The ma�ority of the soils wrthin the pro�ect site are classified by the Umted
States Department of Agriculture Natural Resources Conversation Service
Soil Survey(USDA NRCS) of Beaufort and Craven Counties as Bayboro
muck Bayboro mucky loam and Leaf silt loam(Figure 3) These very poorly
dramed to somewhat poorly dramed hydric soils are commonly located on
broad inter stream flats shallow upland depressions and stream terraces
Leaf silt loam makes up the ma�ority of the Site along with sigmficant areas
of Bayboro muck and mucky loam Jurisdictional wetlands wrthui the
managed pine forest areas are typically associated wrth areas of Bayboro
muck and mucky loam where dramage drtches are further apart (i e greater
than 300 ft spacmg) The depressional�urisdictional wetland areas typically
occur as shallow landscape depressions on Leaf silt loam soils The northwest
corner of the pro�ect area �ncludes a concentration of Pantego loam soil wluch
is also a very poorly dramed soil occurnng m broad flats and m shallow
upland depressions These soils are typical of muieral and organic wet flats
common m the eastern North Carolina Coastal Plam
From the field mvestigations and dehneation efforts it was observed that the
soils have been sigmficantly altered due to beddmg and rows for establishuig
pme plantation and throughout the Srte the upper surface has been
sigruficantly altered or removed
1 2 5 Vegetation
The Srte is a 1 664 acre section of a greater 90 000 acre Weyerhaeuser
Company managed forest Intensive management and control of the planted
Pinus taeda (Loblolly Pme) has left the native vegetative condition
sigmficantly disturbed and the site is almost exclusively Loblolly Pine The
understory is typically comprised of pocosui type shrubs and herbaceous
species mcluduig Acer rubrum Magnolaa varginaana Arundinaraa gagantea
Persea borboaa Vaccinaum corymbosum Lyonaa lucida Osmunda
cinnamomea The depressional wetlands typically have similar understory
species however the saplmg/shrub stratum is not as dense as the mature
managed pme areas and the tree stratum is dommated by hardwood species
(Acer rubrum Persea borbonta Magnolia varganaana)
1 2 6 Protected Species and Habitat
A review of the North Carolma Natural Herrtage Program Database on August
18 2011 uldicated that there were no known occurrences of federally
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endangered or threatened species wrthm the Site The habrtat condrtions are
favorable u1 tlus area for Canas rufus(Red Wol fl however Red Wolves have
only been known to occur in the northeast corner of Beaufort County north of
the Pamlico River Given the srte location m southwestern Beaufort County
south of the Pamlico River it is not likely that the proJect will have an adverse
impact on federally listed endangered and threatened species or habitat
1 2 7 Historical and/or Archaeological Sites
A review of the North Caroluia State Histonc Preservation Office (SHPO)
GIS Database on August 18 2011 shows that there are no known occurrences
of State H�stonc Properties withui or ad�acent to the Site Extendmg the
search around the pro�ect area does not result m any known occurrences of
cultural or histonc importance wrthm 1 mile of the Site On January 8 2008
the Department of Cultural Resources (DCR) Office of Archives and History
was contacted regardmg lustoncal cultural or archaeological resources m tlus
area No cultural resources were recorded witYun the property at that time,
and the DCR mdicated that there was not a high probabilrty of archeological
resources occumng witlun the pro�ect area
1 2 8 Regulated Floodplain
Based on a review of the North Carolma Floodplam Mappmg Program
Database on August 24 2011 the proposed pro�ect site is not wrthm a FEMA
regulated floodplam
13 Pro�ect Descr�ption
The proposed pro�ect is to develop a marme limestone aggregate muie facility wrtlun
the 1 664 acre Site The Site will include the muie pit overburden stockpile
processmg plant (i e prunary crusher conveyor system material stockp�les etc )
scales and scale house mamtenance facility and storage yard Existing state and
forest roads w�ll be utilized to access the facility No roadway unprovements or
widenulg is proposed for the pro�ect It is anticipated that the muie and facility will be
able to operate for approximately 50 years dependmg on market condrtions and the
available reserves The built out pit area �s estunated to be 649 acres however this
pit area will be developed incrementaly over the life of the mule operation and w�ll
be reclaimed m portions where possible Stormwater and muie dewatermg discharge
will be treated withm the Srte and discharged to the proposed National Pollution
Discharge Elunmation System(NPDES) permitted location at the headwaters of
Blount s Creek east of the Site boundary shown on Figure 7 The NPDES Permrt
apphcation was subirutted concurrent to this 404 apphcation and is currently under
review by NCDWQ
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2 0 Pro�ect Purpose
The purpose of tlus pro�ect is to develop a crushed stone operation to supply aggregate
material to the construction mdustry servmg the general area of Beaufort and Craven
Counties m North Carolma A ma�ority of this material currently comes from Martm
Marietta s Clarks Quarry which is located on Old Hwy# 70�ust west of New Bern NC In
order to supply market demand for aggregate material once the Clarks Quarry reserves are
exhausted Martm Marietta needs to develop an alternative site to replace the Clarks Quarry
and to meet expected growmg market demands
21 Proposed/mpacts
The proposed pro�ect will unpact 6 69 acres of�urisdictional wetland and 58 671
lmear feet of�urisdictional waters (32 060 hnear feet of RPW and 26 611 lmear feet
of Non RPV� Impacts are accounted for the life of muie and built out footprult
for the quarry prt overburden stockpile and plant areas The site layout has been
designed to avoid�unsdictional wetland areas while also providmg a pit area with
sufficient aggregate reserves for the long term operation that also maintains a
dunension that is logistically manageable to muie (i e non lulear uregular boundaries
of the pit are not feasible for mmmg) The unpact of 6 69 acres represents the
mmimized unavoidable unpact to�urisdictional wetlands A total of 173 5 acres of
wetland and 40 3881inear feet of�urisdictional waters is located withm the Srte that
has been avoided by the pro�ect
All drtches that are considered�unsdictional waters withm the Site that are shown to
be within the prt overburden or plant areas are considered as unpacted based on the
expectation that they will be erther removed through excavation or relocated to
accommodate the development of the srte Ditches wrthm the Site surroundmg the
prt overburden and plant areas will be utilized as needed as part of the water
management plan for the facilrty Utilizmg and marupulatmg the drtch system around
the active area of the operation will allow MMM to mamtam hydrologic function to
natural areas ad�acent to the pro�ect area(i e mamtauiuig water levels m the
surroundmg drtch system to the operation will provide a hydrologic barrier to surficial
groundwater movement towards pit and ad�acent wetland areas will not be adversely
affected)
In addition mamtaming the ditches surroundmg the active areas of the site will also
allow MMM to distribute surface water discharge to off srte receiving waters and
down slope tnbutanes such that aquatic function of those systems and sub watersheds
are sustamed wlule the mule is m operahon The geographic location of the site on
the topographic high pomt of the watershed and the extensive ditch system will allow
MMM to isolate and d�rect discharge as needed throughout the operation
MMM will implement a momtorulg plan that will mclude water table momtormg of
wetlands wrthm the srte m close proxunrty to the active pit as well as offsrte wetlands
ad�acent to the Site and reference wetlands at a greater d�stance from the Srte The
morutoruig locations are shown in Figure 7
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1
2 2 Stormwater Qual�ty Controls
Stormwater management will be conducted per the NPDES permit conditions
includmg maultammg sediment and erosion controls withm the pro�ect area and
mamtammg discharge water qualrty at the approved NPDES discharge locations
The site will be developed and managed such that all stormwater will be utihzed by
the operation and commgled with process wastewater onsite As part of the onsite
water management plan stormwater will be ulcluded wrth dewateruig water and
natural dramage for use m process water as well in mauitauung water levels in
ditches surroundmg the active pit The surplus comuigled water will be discharged to
Blount s Creek per the NPDES pernut (to be obtained prior to mitiatmg the pro�ect)
The discharge will uirtially be d�rected to Outfa11001 on Blount s Creek smce the
existmg dramage from the irutial area of development is ent�rely withm the Blount s
Creek watershed As the mme develops and expands an addrtional discharge will be
d�rected to Outfall 002 to mamtam stability and ecologic uitegrrty to the downstream
receivmg waters There are no proposed stormwater specific outfalls or discharges
proposed for the pro�ect Srte Figure 7 shows the locations of the NPDES outfalis 001
and 002
3 0 Scope of Analysis
The proposed work w�ll primarily benefit Martm Marietta Materials (MMM) and will be
wholly funded by MMM Other than the requ�rement to obtam a Section 404 pernut no
other federal uivolvement m the proposed work is anticipated There are no practicable
alternatives to the proposed plans that would further avoid or mimmize unpacts to waters of
the U S and the pro�ect would not meet the applicant s purpose and need but for the
proposed unpacts Additionally the proposed mule pit once fully built out mcludes 6 69
acres of non riparian wetlands sub�ect to Section 404 permit requ�rements and 99 0591inear
feet of man made drainage ditches determmed to be Jurisdictional waters Impacts to these
features are essential for the development of the pro�ect as a whole Accordmgly the
proposed scope of analysis extends to the limits of the pro�ect (i e the ent�re 1 664 acre
pro�ect area)
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4 0 Other Federal, State, and Local Authorizations
Obtained or Required and Pending
4 1 State water qual►ty cert►ficat�on (401)
The North Caroluia Division of Water Quahty(DWQ) 401 certification is submitted
concurrent to tlus 404 pernut application
4 2 Coastal Area Management Act (CAMA) Cons�stency
Determ�nat�on
The North Carolma Division of Coastal Management (NCDCM) CAMA Consistency
review is subrrutted concurrent to tlus 404 permrt apphcation
4 3 Other author►zations
1 Mirung Permit # 07 57 Issued by the Land Quality Section Division of Land
Resources NCDENR Ongmal permrt was approved on September 7 2011
2 Central Coastal Plam Capacity Use Area Pernut # CU3148 Issued by the
Capacrty Use Admmistration Division of Water Resources NCDENR Pernut
issued on June 14 2007
3 NPDES Permit Application has been submitted by MMM to the NCDWQ Surface
Water Section for review concurrent wrth tlus application
4 A�r Pernut application will be completed by Martm Manetta after plans have been
developed for the design and proper location of the processmg plant and
associated stockpiles
5 CAMA Consistency Review
6 Buildmg pernut and other associated local government development approvals
5 0 Alternatives [33 CFR 320 4(b)(4), 40 CFR 23010]
The purpose of the pro�ect is to develop a Site for a marule hmestone aggregate muie
operation ui order to meet the local demand of aggregate matenal As part of the
development process numerous on srte and off site alternatives were evaluated The
essential requ�rements for the development of an aggregate mmmg operation are lugh qualrty
lunestone reserves the abilrty to muie the reserves m an economically viable manner(hmited
overburden thickness as well as the thickness of the lunestone) and available privately
owned unconstramed land Based on these factors the applicant has demonstrated there are
no off site alternatives that would allow MMM to completely avoid unpacts to waters of the
U S and the least damagmg practical alternative has been selected The applicant has also
demonstrated that alternative on site plans were considered along with the env�ronmental
consequences of each plan and the proposed alternative represents the m�nimum amount of
impact to aquatic resources while still meetmg the pro�ect purpose
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51 Avo�dance (No act►on, uplands, and ava�lab�l�ty of other
sites)
5 1 1 No Action/Upland-Only Alternative
The No Action Alternative means that the Applicant s proposed Pro�ect
would not be unplemented and the resultmg env�ronmental effects from
takmg no action would serve as a baseluie from which to compare the effects
of permittmg the proposed Pro�ect or an alternative to proceed
MMM has considered several alternatives to meet the regional demand for
aggregate The no proJect alternative would requ�re that existmg mmes
mcrease the�r production of aggregate to keep up with demand A ma�ority of
the aggregate material for tlus region of the State currently comes from Martm
Marietta s Clarks Quarry wlvch is located on Old Hwy# 70�ust west of New
Bern NC Th�s quarry will be runnulg out of reserves in the comuig years
Further advancement of the Clarks Quarry pit is not feasible as it is bounded
by US Hwy# 70 to the south a large uidustrial park on the west (Craven
County Commrttee of 100 Industrial Park) Old US Hwy# 70 to the north and
Caswell Branch to the east NC Highway 17 Bypass and the Norfolk
Southern Railroad are also constramts to mule expansion at the Clarks Quarry
Addrtionally mcreasmg the productivity of the existmg Clarks Quarry would
not meet the end goal of mcreasmg long term supply of aggregate as
speedu�g up production would only cause the existmg mine reserves to be
depleted that much sooner Other existuig MMM quarries are located further
to the South(Belgrade Quarry near the Town of Maysville is the nearest
existing MMM operation)and would not be able to serve the prunary market
for the Clarks Quarry site The cost of transportmg the product would greatly
uicrease with these options and would have an adverse unpact on the market
Clarks Quarry is the only ma�or source of aggregate in the Beaufort/Craven
area mcludmg New Bern Waslungton and surrounding commumties Once
Clarks is depleted there are no other known economically viable aggregate
deposits m this part of the state other than the Vanceboro srte In addrtion
once all applicable permits have been received it may take several additional
years to develop the site and establish the plant operation to meet market
demands
Martm Marietta has considered the no action(i e no pernut requ�red)
alternative which would not result in impacts to�urisdictional waters and
wetlands While this would be the least damaging alternative it is not
practicable and does not support the pro�ect purpose and need Therefore a
no achon alternative is not a viable option for MMM
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5 1 2 Off-Site Alternatives
There are three key conditions that must occur m order to locate a viable
quarry operation
1 There must be an adequate amount of aggregate reserves available
for quarryuig at a depth that can be reached by draglmes
2 Sufficient land to cover the reserve area the plant processmg area
and associated support facilrties as well as an adequate buffer
from ad�acent properties
3 The property or properties must be purchased or leased from
property owners that are willmg to convert the�r land mto a
quarrymg operation
MMM has maintamed a long term exploration uutiative to evaluate aggregate
reserves wrthui Eastern North Carolma Specific drilling locations and
reserves data are considered propnetary mformation and are not mcluded
herein However once the general area around the Vanceboro Srte was
identified as a potential quarry srte based on the qualrty and depth of the
reserve more mtensive drillmg and analysis was conducted for the general
area of Beauport and Craven Counties m the vicinity of Vanceboro MMM
met with the USACE ul July 2010 to d�scuss the pro�ect and present
propnetary drilling mformation used to evaluate potential alternative sites
withm the study area for the Srte s market and data used m the selection of
the Srte
Through extensive drillmg and coordmation with Weyerhaeuser MMM
identified the Srte as providmg the most econoirucal pro�ect area withul the
smallest prt area footprult (i e thickest reserves nearest the ground surface
requumg the least amount of overburden removal) In addrtion wetlands and
natural commuruties were considered m selectmg the site as a prefened
alternative Located on the topograpluc lugh pomt on the watershed divide
the Srte is furthest removed from the headwater areas of Mauls Swamp and
Blount s Creek and the�r associated natural commumties Likewise other
areas evaluated contamed larger areas of mapped soil types more lilcely to
contam wetlands (i e Croatan muck and Pantego loam)
Therefore the proposed Vanceboro site was found to have the tluckest
aggregate reserves and least amount of overburden to be removed makmg rt
the smallest area footpnnt and most econorrucally viable option for muimg m
the area In addition this site meets and exceeds the second and th�rd
conditions noted above Martm Marietta has a lease agreement with the
Weyerhaeuser Company on 1 664 acres located m the approxunate middle of
a 90 000 acre puie planation The nearest residential property is over 2 3 rrules
west southwest of the proposed prt area
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Some areas wrthul the pro�ect boundary surrounding the proposed pit area
may contam addrtional reserves that will not be mmed These areas were
avoided due to the extent of potential wetland areas (Figure 8)
MMM s study of the general area surroundmg the Site deternuned that there
would be no upland only alternative and that any other site would lilcely
contam greater unpact to�unsdictional areas and natural commumties The
large land requ�rements to provide adequate limestone reserves as well as the
associated quarry operational facilrties would lilcely conflict wrth
env�ronmental constramts The low lymg coastal region of North Carolma is
prunarily underlam with hydric soils mterspersed with low energy streams
modified natural stream channels wrth expansive natural and altered wetland
systems As a result of this geograpluc location of the marme limestone
deposits it is unlilcely that most sites wrthm this region would support a
quarry operation without greater unpact to�urisdictional areas and the natural
env�ronment than the proposed Srte
5 2 Mm�m►zat�on (mod�fied pro�ect des�gns, etc)
Once the Srte was identified by MMM as a viable quarry location due to quantrty and
quality of reserves depth of overburden and env�ronmental constramts MMM
conducted extensive field mvestigahons to evaluate�urisdictional areas witlun and
ad�acent to the Site In 2004 and 2005 MMM conducted a detailed delmeation of
approxunately 70 acres(shown ui Figure 8) This dehneation served as a
representatrve demonstration of the deluieation criteria apphed to the altered srte and
managed pme plantation as well as identifymg key field mdicators This
methodology was then applied to approximate wetland areas witlun the broader
pro�ect boundary and ad�acent areas The USACE approved the Jurisdictional
Determulation in 2005 Incorporatmg core dnllulg data and potential wetlands
around the Site MMM modified the Site boundary at vanous tunes between 2005 and
2007 to avoid and mmimize potential impacts to�urisdictional wetlands and reduce
the footpruit of the built out prt wlule still meeting the pro�ect purpose m providmg
sufficient reserves for a long term aggregate mulmg operation
A sigzuficant boundary change occurred m 2006 when MMM decided to move the
western boundary of the srte eastward (see Figure 8)to avoid significant wetland
unpacts for that portion of the pit These avoided areas contam sigYUficant reserves
however MMM determuled that the reduced prt area of 649 acres would be sufficient
for the pro�ect Relocatmg the Srte boundary and removmg these wetland areas from
the pro�ect and reduced the potential unpact by approximately 60 acres to the
proposed muiimized unpact of 6 69 acres
Therefore the final proposed Site boundary represents accumulated knowledge of the
Site and its surroundmg areas regulatory and resource agency mput and an iterative
process to mulunize unpacts smce 2004
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Within the fmal Site boundary of 1 664 acres MMM has defined a built out pit area
of 649 acres that proposes to unpact 6 69 acres of wetlands but avoids unpact to
173 50 acres of Jurisdictional wetlands (Figure 6) The area of avoided wetland
wrthm the Site boundary represents considerable reserves that could be muied
however the pit area was muiimized to the smailest practicable footprint that still
meet the purpose and need of the pro�ect to sustam a long term aggregate operation
Therefore the remauung 6 69 acres of unpact to�unsdictional wetland is unavoidable
m order to meet the pro�ect goals and establish a long term viable muimg operation
The pit would not be feasible to operate if these wetland areas were to be avoided
Of the proposed unpacted wetlands one wetland area (WD 2) is located next to the
mitial pit openmg The irutial slot needs to be developed near the center of the pit to
allow future slots to run east and west as the prt develops (see Figure 4) If the small
wetland areas WD 3 and WD 4 were avoided the pit could not be expanded beyond
these areas thereby causmg a tremendous loss of reachable reserves to the pomt
where the pro�ect would not be feasible
In addrtion, 58,671 LF of man made ditches considered�unsdictional waters will be
erther filled, excavated or re routed through the development of the muie MMM
will develop the mule such that downstream receivuig waters contmue to receive
water as the ditches wrtlun the Site are modified
Smce the mme activrty mcludes dewatermg MMM will unplement a morutormg plan
to demonstrate that onsrte water management is effectively utihzed to mamtam
hydration to peruneter ditches so that they may provide hydration to off srte and
ad�acent wetland areas Therefore there are no anticipated secondary or cumulative
hydrologic unpacts for the mme An Annual Report for the momtormg plan will be
submitted to the NCDWQ to demonstrate that the operation is not havmg an adverse
impact on ad�acent wetlands and downstream of NPDES outfalls The Annual Report
will also mclude implementation protocols for corrective measures and document all
commurucation and coordmation wrth the regulatory agencies
The wetland morutorulg gages will be installed both prior to excavation and added as
needed as the prt expands and will ulclude reference locations at greater distances
from the prt (Figure 7) By comparmg observed data from the morutonng gages to
the reference locations MMM will be able to demonstrate potential zone of mfluence
to wetland hydrology and the effectiveness of the water management plan u1
contam�ng that mfluence wrthm the Site as the mule develops over time
5 3 Secondary and Cumulative Impacts
MMM has conducted extensive testuig to estunate the amount of water withdrawal ui
obtauung the Capacrty Use permrt for the pro�ect The aquifer tests and groundwater
modelmg conducted for the pro�ect determuied that the average dewatermg discharge
for the built out condition of the pit would be 9 rrullion gallons per day(MGD) Tlus
12 ❑�❑ and�Assoqates Inc

was considered a conservative estunate for the built out condition However wrth
considerable coorduiation and discussion with the NCDWQ two sigmficant questions
were raised regardmg the muie activrty and dewaterulg They were
1 Will the zone of mfluence m surficial groundwater drauluig to the active
pit adversely affect hydrologic functions of ad�acent wetlands�
2 Will the downstream receivmg water(Blount s Creek) be adversely
affected by the dewater discharge volume and water quahty� Will this
adversely affect anadromous fish spawrung habrtat�
MMM will address these issues through water management w�thm the Site
Dewateruig water w�ll be routed to the drtch system after bemg treated by the
operahon s detention and clarification ponds Once contamed m the onsite ditch
system, the water will be mamtamed withm ditches surroundmg the active pit area to
establish a hydrologic barrier for surficial groundwater movement towards the pit
MMM has applied a sirrular water management plan to protect ad�acent wetlands to
an achve muie operation at the�r Rocky Pomt Quarry m Pender County North
Carolina
Due to the routmg and residence tune for water to be contamed wrthm the Srte water
quality of the discharge water will be below effluent limits per the NPDES pernut
Tlus is expected smce the treated discharge water will flow through approxunately
two and a half miles of drtch before leavmg the Site at the NPDES d�scharge
locations to Blount s Creek In addition silviculture activrties and natural dramage
will contmue wrthm the srte m undeveloped areas providmg mixmg and attenuation to
the discharge water As part of the monrtoruig plan MMM will momtor the stabilrty
of the downstream receivmg water(Blount s Creek) below the NPDES discharge
location (Outfa11001) as the pro�ect develops Once the average discharge from the
operation reaches 4 5 MGD MMM will separate the flows and will d�rect discharge
to a secondary outfall location(Outfa11002) The NPDES discharge locations are
shown m Figure 7
5 3 1 Mine Dewatering and Ad�acent Wetlands
Detailed soil mvestigations mcludmg soil profile descriphons and hydrauhc
conductivrty testmg were conducted as part of the field mvestigations and
deluieation to define wetlands throughout the site The mvestigations showed
that the ent�re site contams subsoil layers of clay and sandy clay that is
significantly restricted to seepage Tlus is consistent with the geomorphology
of the wetlands systems located on broad flats and mterstream divides Tlus is
also indicative of the large contiguous orgamc soils (i e Croatan muck)
located South and West of the Site (Figure 3) In addrtion rt was noted durmg
the groundwater mvestigation that there was sigmficant clay withu�the deeper
surficial soil layers (i e 10 to 15 feet depth) and that aquifer testmg of the
deeper groundwater did not have a noticeable effect on the surficial water
table Therefore the layers of low permeability clays wrthul the upper surface
lirrut deep ground water seepage and the prunary hydrologic influence of
13 ❑�❑ and1eyAssoaates Inc

dewatenng at the pit will be to lateral groundwater movement witlun the
surficial sediments MMM presented the�r findmgs from the groundwater
studies to NCDWQ staff m Apri12010
Based on the studies conducted onsite and through discussions wrth
NCDWQ MMM determmed that hydrologic mfluence to the surficial
groundwater and wetlands from dewatermg at the pit would lilcely extend 500
7001mear feet from the pit dependmg on the varymg depth of low
permeabilrty clay layers In discussions wrth NCDWQ it was acknowledged
that 1 500 lmear feet from the prt would be a reasonable distance to assume
potential hydrologic mfluence to wetlands from dewatermg Therefore with
NCDWQ s mput a robust water table morutormg plan was developed for the
Site This mcludes the mstallation of reference morutoruig locations that
extend each d�rection from the prt more than one mile In addrtion
morutoruig locations are wrthui the Site to document the rate of change and
advancement of the zone of influence as the prt develops as well as withm
avoided wetland nearest the built out footprint of the pit
The mitial slot w�ll progress towards WD 4 which is proposed to be
impacted This location will provide data demonstratmg the advancement of
the dewatering zone of mfluence (Figures 4 and 7) Once that mitial slot is
established future slots will be developed to the East and West towards
morutoruig locations which will be�ust outside the mamtamed hydrologic
barrier of water mamtamed m the perimeter ditch system The development
of these irutial slots will provide detailed data on the distance and degree of
hydrologic influence to ad�acent wetland systems from the pit dewatering
achvrties In addition, the monrtormg will provide significant baselme
information for wetlands m the viciruty to more accurately describe natural
variability of wetland hydrology ul the area of the Srte
5 3 2 Water Quality and Downstream Receiving Waters
In 2010 MMM conducted mvestigations to determuie the structural mtegrrty
and habitat quality of Blount s Creek to evaluate the potential secondary
impact to water qualrty downstream from the proposed d�scharge from the
Site In development of these studies, MMM conducted multiple meetuigs
and field reviews wrth NCDWQ and the N C Wildhfe Resource Commission
(NCWRC)
The uutial study conducted my KHA, was to evaluate the potential quantity
of discharge and whether the capacity of the Blount s Creek system could
handle the flows without degrading the system and reduculg aquatic habitat
KHA conducted a geomorptuc and hydraulic analysis of potential receivmg
streams and determuied that the Blount s Creek stream and floodplam wetland
system has sufficient capacrty to handle up to 6 MGD of discharge wrthout
14 ❑� ICm�ley-Horn
�❑ and Asso�tes,Inc

causuig channel ulstab�lity Wlule it is anticipated that the stream will ad�ust
to the progressively mcreasuig discharge and flow regune the stream has well
protected banks from woody root systems and has easy access for flood flows
to the floodplam Therefore by establishmg a maximum discharge threshold
and allowuig the stream to ad�ust to the modified hydrologic regune m
equilibrium, there will be no adverse unpact to the channel stabilrty In order
to mamtam the threshold discharge to the receivmg waters MMM will
implement a secondary discharge location and w�il splrt discharge flow as
needed to mamtam channel stability and structural mtegrity of Blount s Creek
downstream The geomorphic study and analysis is mcluded as Appendix C
In addition to the geomorphic analysis MMM contracted Coastal Zone Resources Inc (CZR)
to conduct an assessment of the aquatic habrtat of Blount s Creek at and downstream from
the proposed discharge Tlus report is mcluded as Appendix D
The CZR study was conducted m the sprulg of 2011 to evaluate the stream as potenhal
spawmng habitat for anadromous fish Flow and seasonal conditions were optunal to
evaluate fish spawmng however no anadromous fish were observed durmg the study
Through unplementation of the momtormg plan MMM will manage discharge at the
permrtted outfalls so that the structural mtegrity of the receivulg stream channels remam
stable and mtact and therefore will not have an adverse unpact on anadromous fish or
spawmng habrtat
In addrtion CZR sampled water quality parameters and evaluated the macro benthic
commumty to descnbe the quahty of the aquatic commuruty and compare tlus to other
momtored stream systems similarly situated ui the basm Visual assessment and comments
by the resource agencies duruig pro�ect meetuigs mdicated that Blount s Creek would be
considered a high quality aquatic system However CZR s analysis showed that the
abundance and diversity of fish and macrobentluc mvertebrates was lower than expected and
that Blount s Creek was typical of an upper dramage segment of a lower Coastal Plain
freshwater system
Therefore MMM will implement a treatment of dewaterulg discharge through settlmg and
attenuation withm the Srte as well as mixmg with natural drau7age from silviculture lands
wrthm the Srte pnor to d�rectly dischargmg to Blount s Creek In addition to visual
observation of channel stability at the discharge location MMM will momtor water quahty at
the discharge location per the NPDES permrt to document compliance wrth State water
qualrty requ�rements
15 ��❑ �mley Hom
� and Assasates Inc

5 4 M�t�gation
There are no available mitigation banks within the HUC for which the proposed
impacts to�unsdictional wetlands will occur Therefore MMM proposed to pursue
mrtigation through ui lieu fee payment to the North Carohna Ecosystem
Enhancement Program Payment will be made for a 1 1 rrutigation ratio rounded up
to the nearest 0 25 acre This ratio is proposed due to the degree of alteration the
existuig wetland commuruties have encountered from the histoncal alteration of the
landscape soils and hydrology
The�urisdictional waters witlun the Site are ent�rely man made dramage ditches
which provide little functional value other than conveyulg water to and supportmg the
downstream offsrte aquatic commumties MMM through the�r water management
plan will mauitaui hydration to downstream receivmg waters All of the uutial
development per the approved Mme Plan(mrtial ten years of operation) will occur
wrthm the Blount s Creek watershed Therefore MMM will mamtam hydrologic
connectivrty to all onsite ditches until they are utilized for the water management
plan and will ensure that drauiage from the srte will be mamtauied such that offsite
drainage ditches and receiving waters will receive NPDES permitted discharge
proportional to the watershed area affected
5 5 Conclus►ons of Alternat►ves Analysis
MMM has spent considerable tune coordinatmg wrth the Weyerhaeuser Company
and conductmg mvestigations to develop a quarry site that w�il yield sufficient
reserves to supply tlus market area for the coming years that also muiumzes
unavoidable impacts to�urisdictional areas
As the proposed quarry is developed Weyerhaeuser w�ll contmue to manage and
operate the�r tunber management practices wrthm the much broader watershed areas
surrounduig and wrthm the Site
Martm Marietta beheves and has demonstrated that tlus Site is the preferred
alternative location for a quarryulg operation when considermg the extremely large
buffer area provided by the surroundmg pine plantation and muiimal impact to
�urisdictional areas
16 ❑� Kimley Horn
� and As�at�,Inc

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Appendix A
U S Army Corps of Engineers Jurisdlctional
Determination (dated March 22, 2008)

U S ARMY CORPS OF ENGINEERS
WILMINGTON DISTRICT
ORM ID SAW 2008 00468 County Beaufort/Craven U S G S Quad Ernul
NOTIFICATION OF JURISDICTIONAL DETERNIINATION
Property Owner/Agent Mr Horace Wdl�ams
Address Martm Mar�etta Mater�als Inc
Post Office Box 30013 �, F
Ralet h North Carolma 27622 0013
Telephone No (9191781 4450 MAR � 6 2008
Property descnpt�on ?.� ! �+ ,���,�
Size{acres) ],939 acres Nearest Town Vanceboro f 3 x
Nearest Waterway Unnamed Tr�butarv River Basin Neuse and Pamlico
USGS HUC 0302d202/03020iO4 Coord�nates N 35 351152 W 77 041220
Locat�on descnption An auprox�mate 2000 acre tract located off the term�nus of NCSR 1639 adiacent to the
abandoned Welbourn A�rstriq and various unnamed tr�butar►es flowm�to Mauls and Palmetto Swamns east of
Vanceboro m Besufort and Craven Counties.North Carol�na
x
Indicate Which of the Followm�Anplv
A Preliminary Determmahon
_ Based on prelimmary mformat�on there may be wetlands on the above described property We strongly suggest you have
this property mspected to determme the extent of Department of the Army(DA)�ur�sdict�on To be constdered final a
Jurisd�cnona(determinat�on must be verified by the Corps This prel�m�nary determmation is not an appealable acpon
under the Regulatory Program Admuustrahve Appeal Process(Reference 33 CFR Part 331)
B Approved Determnnahon
_ There are Navigable Waters of the United States withm the above descnbed property sub�ect to the permit reqwrements of
Section 10 of the Rivers and Harbors Act and Section 404 of the Clean Water Act Unless there ts a change�n the law or
our publ�shed regulations th�s determination may be relied upon for a period not to exceed five years from the date of this
not�fcat�on
X There are waters of the U S �ncluding wetlands on the above descnbed property subJect to t6e perm�t requirements of
Sect�on 404 of the Clean Water Act(CWA)(33 USC§ 1344) Unless there is a change m the law or our pubhshed
regulat�ons th�s determmahon may be relied apon for a per�od not to exceed five years from the date of thas notifccanon
We strongly suggest you have the wetlands on your property delmeated Due to the size of your property and/or our
present workload the Corps may not be able to accomplish th�s wetland deltneat�on tn a tunely manner For a more timely
delineat�on you may w�sh to obtam a consultant To be considered final any de[�neation must be venfied by the Corps
X The waters of the U S mcluding wetland on your property have been delmeated and the de(ineaUon has been venfied
by the Corps We strongly suggest you have this del�neatton surveyed Upon complehon this survey should be rev�ewed
and verified by the Corps Once venfieci,this survey will provide an accurate dep�ct�on of al1 areas subJect to CWA
�unsdict�on on your property which provided there�s no change m the law or our published regulat�ons may be relied
upon for a period not to exceed five years
The wetlands have been delineated and surveyed and are accurately dep�cted on the plat signed by the Corps
Regulatory Offic�al�dentified below on Uniess there is a change in the law or our publ�shed regulations th�s
determination may be relied upon for a period not to exceed five years from the date of this nonfication
_ Please be advised that a Pnor Converted Cropland(PC)determmation made by the Natural Resource Conservation Servxce
(AIRCS)remams val�d as long as the area ts devoted to an agricultural use If the land changes to a non agricultural use
the PC determmat�on is no longer applicable and a new wetland determmation is requ�red for Ctean Water Act purposes
Page l of 2

ORM ID SAW-2008-00968
_ There are no waters of the U S to mclude wetlands present on the above described property which are sub�ect to the
perm�t requirements of Sect�on 404 of the Clean Water Act(33 USC 1344) Unless there is a change�n the law or our
published regolations th�s determmahon may be relied upon for a penod not to exceed five years from the date of this
not�ficat�on
_ The property�s located►n ane of the 20 Coastal Counnes sub�ect to regulat�on under the Coastal Area Management Act
(CAMA) Yau shouid contact the Div�sion of Coastal Management�n Morehead Ccty NC at(252)808 2808 to
determme thev requuements
Placement of dredged or ftll matenal wtthm waters of the US and/or wetlands w�thout a Department of the Army permit may
constrtute a violation of Sect�on 301 of the Clean Water Act(33 USC§ 13 t t) If you have any quesrions regardmg this
determmahon and/or the Corps regulatory progam please contact Mr Scatt Jones at l2521975 1616,extensaon 27
C Basis For Determ�unafion
This s�te exhib�ts tivetland cr�ter�a as descnbed m the 1987 Corps Wetland Delmeat�on Manua[and�s ad�acent to
unnamed tr�butar�es flowmg to Palmetto and Maul Swamps Er�butaries of the Neuse and Pami�co Rrvers
D Remarks
E Appeals IttfOrmat►OD(Th�s mformation applies onty to approved,ur►sdict�onal determmat�ons)
Attached to th�s venfication is an approved Jur�sd�ctional determmation If you are not in agreement with that approved
�ur�sdictional determtnabon you can make an admm�strahve appeal under 33 CFR 33l Enclosed you w�ll find a Not�fication
of Appeal Process(NAP)fact sheet and request for appeal(RFA)form If you cequest to appeal th�s determinat�on you must
submit a completed RFA form to the followmg address
Distnct Engmeer Wtlmmgton Regulatory Divis�on
Atm Scott Jones Pro�ect Manager
Washmgon Regulatory F�eld Office
Post Office Box 1000
Wash�ngton North Carolma 27889
In order for an RFA to be accepted by the Corps the Corps must determine that it is complete that it meets the cr�tena for
appeal under 33 CFR part 331 5 and that�t has been recerved by the Distr�ct Office withan 60 days of the date of the NAP
Should you dec�de to submit an RFA form it must be received at the above address by Mav 21.20d8
**It is not necessary to submit an RFA form to the District Office if you do not ob�ect to the determination in this
correspondence** r�
�
Corps Regulatory Official U�' J
Date 03/21/Z408 xp�rat�on Date Q3/21/2013
Copy furnished
Mr Chad Evanhouse
Kunley Hom and Assoc�ates Inc
Post Office Box 33068
Raleigh,North Carolina 27636-3068
Page 2 of 2

NRISDICTIONAL DETERNIINATION Rev�sed 8/I3/04
U S Army Corps of Engmeers
DISTRICT OFFICE CESAW RG W
FILE NUMBER SAW 2008 00968
PROJECT LOCATION INFORMATION
State NC
County Beaufort and Craven
Center coordinates of site(lahtude/longitude) 35 351152/ 77 Q41220
Approx�mate size of area(parcel)revtewed mcludmg uplac�ds L 939 acres
Name of nearest waterway Unnamed Tributary
Name of watershed Neuse and Paml�co
NRISDICTIONAL DETERMINATiON
Completed Desktop determmauon � Date
Site v�s�t(s) � Date(s) 10/14/2004 3/i/2005 7/14/2005 4/6/2006 10/27/2006 10/3/2047
Jurisd�chonnl Determmat�oa(JD)
� Prelimmary JD Based on availsbte mformat�on ❑lhere appear to be(or)0 there appear to be no waters of the Un�ted States
and/or nav�gable waters of the United States on the pro�ect s�te A prelunu►ary JD is not appealable(Reference 33 CFIt part
33l)
� Approved JD—An approved JD►s an appealable action(Reference 33 CFR part 331)
Check all that apply
�,�, Ti:ere are nav�gable waters of the CJnited States (as defined by 33 CFR part 329 and assoaated gu�dance)w�thm the reviewed
area Approximate size of�urisd�chonal area
�There are waters of the[Jn�ted States (as defined by 33 CFR part 328 aad associated gu�dance)withm the reviewed area
Approxunate s�ze ofJur�sd�ct�onal area 112 7 acres Junsd�ctional wetlands and 98 505 l�near feet of�unsdictional waters
„��Tirere are tsolated non navegable intra state waters or wetlands wtth�n the revtewed area.
� Dec�s�on supported by SWANCC/M�gretory B�rd Rple lnformation Sheet for Determinat�on of No Jurisd�ct�on
BA,SIS OF JUWSDICTIOIVAL DETERMINATION
A Waters defined unde�33 CFR part 329 as°nav�gnble waters of the Umted States"
� The presence of waters that are sub�ect to the ebb and flow of the ude and/or are presently used or have been used m
the past,or may be susceptible for use to transnoR interstate or fore�gn commerce
B Waters defined under 33 CFR part 328 3(n)as waters of the Umted States"
� {1)The presence of wsters wh�ch are currently used or were used�n the past,or may be susceptibie to use m
mterstate or fore�gn commerce mcluding all waters wh�ch are sub ect to the ebb and flow of the t�de
� (2)The presence of mterstate waters mcludmg mterstate wedands�
�, (3)The presence of other waters such as mtrastate lakes rivers streams(includmg interm�ttent streams) mudflats sandfluts
�vetlands,sloughs praine potholes wet meadows playa Iakes or natural ponds the qse,degradatton or destruchon of which could
Affect interstate commerce incladmg any such waters(check all that apply)
❑ (i)which are or could be used by mterstate or foreign travelers for recreat►onal or other purposes
❑ (��)from whcch fish or shellfish are or could be taken and sold m mterstate or foreign commerce
❑ (ui}wh�ch are or could be used for mdustnal purposes by�ndustnes m mterstate commerce
(4)Impoundments of waters otherwise defined as waters of the US
� (5)The presence of a tnbutary to a water�dent�fied m(1)—{4)above
� (�The presence of terntonal seas
(7)The presence of wetlands ad�acent�to other waters of the US except for those wetlands ad�acent to other wetlands
Rat�onate for t6e Basis of Jur�sd�chonal Determmat�on(appl�es to any boxes checked above) Ifthe�urrsdictronal water or
ivetland u not rtself a navrgable wnter of the Uruted States descr�be connectron(s)to the dow�rstream novigable waters If B(1)or B(3)
is used as the Basrs ojJurrsdtction document nav�gabeltry andlor rnterstate commerce connect:on(i e drscuss site cond�tiorrs includrng
wlry the waterbody rs navrgable and/or hotiv the des[rrretton of tlre waterbody could aJfect rnterslate or joreign commerce) If$(2 4 S a
6)�s:rsea!as the 13as�s ofJurisd�ction dociiment the rationale used ta make the determrnetron If B(7)is used as the Basis of
Jtrrrsdiclron docunre►rt the ratronale used to nurke ad�acency determi�tatron Th�s site exh�bits wetland cr�tens as descr�bed m the 1987
Corps Wetland Delineation Manual and is ad�acent to unnamed tributsuyes flowmg to Palmetto and Maul Swamps tnbutar�es of the
Neuse nnd Pamlico R�vers
Page 3 of 2

Lateral Extent of Jur�sd�ct�on {Reference 33 CFR parts 328 and 329)
J� Ordinary High Water Mark indicated by � High T�de Lme mdicated by
� clear natnral lme�mpressed on the bank ❑ oil or scum line along shore ob�ects
� the presence of l�tter and debns ❑ finc shelt or debns depos�ts(foreshore)
� changes in the character of so�l ❑ phystca!markmgs/charactensUcs
� destruchon of terrestnal vegetat�on ❑ Udal gages
� shelving ❑ other
❑ other
� Mean H�gh Water Mark�nd�cated by
❑survey to available datum ❑physical markmgs ❑vegetat�on]mes/changes m vegetat�on types
� Wetland boundaries as sho+vn on the attached wetland delmeat�on map and/or m a del�neahon report prepared by Kimley Horn
and Associates Inc
Basus For Not Asserfing Jurisd�ction
The reviewed area consists enarely of uplands
Unable to confirm the presence of waters m 33 CFR part 328(a)(I 2 or 47)
Headquarters declmed to approve�urisdiction on the basis of 33 CFR part 328 3(a)(3)
� The Corps has made a case specific deterrrunat�on that the foltowmg waters present on the s�te are not Waters of the Un�ted States
❑ Waste treatment systems includmg treatment ponds or lagoons pursu�nt to 33 CFR part 328 3
❑ Art�fic�ally�mgated areas which would revert to upland�f the trr�gat�on ceased
❑ Artific�al lakes and ponds created by excavattng and/or d�kmg dry land,to collect and
reta�n�vater and which are used exclus�vely for such purposes as siock watertng irrigat�on settling basms or rice growing
❑ Art�fic�al refiectmg or sw�mmmg pools or other small ornamental bod�es of water created
by excavat�ng and/or d�k►ng dry land to retam water for pnmanly aesthetic reasons
❑ Water fil[ed depressions created m dry land mcidental to construcnon achv�ry and p�ts excavated in dry land for the purpose
of obta�ntng fill sand or gravel unless and until the construction or excavat�on operaUon�s abandoned and the result�ng
body of water meets the definthon of waters of the Umted States found at 33 CFR 328 3(a)
❑ Isolated mtrastate wetland with no nexus to interstate commerce
❑ Pnor converted cropland,as determmed by the Natural Resources Conservation Service Explam rauonale
❑ Non Udal dra�nage or irngat�on d�tches excavatetl on dry land Expla�n rationale
❑ Other{explam)
DATA REVIEWED FOR JLJRSIDICTIONAL DETERMINATION(murk al[that apply)
Maps ptans plots or plat submitted by or on behalf of the applicant
Data sheets preparedlsubmitted by or on behalf of the appl�cant
� Th�s office concurs w�th the delinesition report,dated 06/08l2006 and 01/03/2008 prepared by{company) K�mley Horn and
Associates,Inc
❑ This office does not concur w�th the del�neaUon report,dated prepared by(company)
� Data sheets prepared by the Corps
Corps nav�gable waters stud�es
� U S Geolog�cal Survey Hydrologic Atlas
U S Geological Survey 7 5 Minute Topograph�c maps Ernul
U S Geo[og�cal Survey 7 5 Minute Htstoric quadrangles
� U S Geologuxil Survey 15 Mmute Histonc quadrangles
USDA Natural Resources Conservation Service Soil Survey Beaufort and Craven Count�es
� National wetlands�nventory maps
� State/I.,ocal wetland inventory maps
FEMA/FIRM maps(Map Name&Date)
]00 year Floodpla�n Elevat�on�s (NGVD)
Aenal Photographs(Name&Date) CESAW RG W 1994
Other photographs(Date)
� Advanced Identification Wetland maps
Site v�stddetermmation conducted on 10/14/2004 3/1/2005 7/14/2005 4/6/2406 10/27/2006 10/3/2007
ApplicableJsupportmg case law
� Other mformaUon(please spec�fy)
Wetiands are idenufied end dcfineated usmg the methods and cntena established m ihe Corps Wctland Delmeat�on Manual(87 Manuai)(i e occurrcnce of
hydrophytic vegetaUon hydnc sods and wettand hydrology)
ZThe term ad�acent means bordenng,conUguous or ne�ghborv�g Wetlands separated from other waters of the U S by man made dikes or bamers natural
nver berms beach dunes and the ld.e are also ad�acent

Appendix B �
North Carolina Divlsion of Water Quality Tar-
Pamlico Riparlan Buffer Determination Letters
(2005, 2010)

��g
!
� �
N�iDENR
Narth Carol�na Department of Environment and Natural Resources
Divis�on of Water Quai�ty
Michael F Easley Govemor Will�am G Ross Jr Secretary
Alan W Klimek P E Director
Apn113 2005
Chad Evenhouse
ICimley-Horn and Associates
P O Box 33068 RE����E�
Raleigh,NC 27b36-306$
Re Marhn Manetta.Matenals—Vanceboro Site Ap� � � 2005
Neuse and Tax-Pamlico Strea.m Buffer Determinations KlMLEY HOR�{
DWQ#KB-OS-4035 ENVIR
Dear Chad,
Upon your request a meering was arranged on the 14�' of October 2004 vv�th representatives from
DWQ,the US Army Corps of Engmeers, and Ksmley-Hom to investigate&everal stream features
on a pro�ect srte of Martin Marietta.Matenals nea.r Vancebaro Three stream sites were evaluated
and three ephemeral/mtermrttent(FJ�posrtions were indica.ted
Site 1 (Stop Two)An un-named tnbutary of Blounts Creek on the west side of Blounts Creek
Rd was evaluated A posit�on was flagged roughly 45{?0 feet upstream from where the UT
crossed under Blounts Creek Rd At the pomt where the flag was hung the E/I determinaxion was
set by DWQ Upstream of the DWQ flag is exem t from the Tar Pamlico Ripanan Buffer Rules
and downstream is sub,�ect to the rules This pomt is congruent vv�th the position tha.t was plotted
�y xx
Srte 2 (Stop Three) Tlus fea.ture is south of site one and crosses under Blounts Creek Rd Thts is
the headwaters of Blounts Creek The locataon noted as Culvert 1 is congruent to the plotted
point by KH The channel comes from the south where it crosses under Blounts Creek Rd again
and�s noted as Culvert 2 Tlus pos�tion is also cougruent to the point plotted by KH The stream
- flows from south to north and is sub ect to the Tar Pamlico Ripanan Buffer Rules There are two
UT's of the sub�ect feaxure that were evaluated They flow mto the stream from west to east and
they are exe from the nparian buffer rules
A map of the evaluation srte is provided wrth this letter and a11 three sub�ect points are mdicated
��
N C Drv�s�on of Water Quairty 943 Waslnngton Square Matl Was6�agton,N C 27889 Telephone(252)946�6481 FAX[phone]

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11�22/2010 10 35 2529469215 NCDENR DWQ PAGE 02/04
�
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��� �
North Carolina Department of Environment and Natural Resources
Division of Water Quality
Beverly Eaves Perdue Coleen H Sul)ms Dee Freeman
Govemor Dfrector Secretary
Novcmber 22,2010
AWQ�'ro�ect#2010-
Bcaufort County
Mr Chad Evenhouse PWS
K�mtey-Horn and Associates In.c
PO Box 33068
Raletgh,NC 2163G 3068
Subaect Propexty Piopo�ed Martin Manctta Mine-Va��ceboro site
UT to��ount's Crcck Tar Paml.�co Rtver Basm S
O�a�S�te DetermAnatxon for A,pp�cs�b�lzty to tbe 7�u�r�Pa�atl�co Rrvei Ripa�r�a�A'ea
JPxotecteon Rua�s (�.SA riCES,C 2�3 0259)
Dear�VIr Ever�ouse
�n Octaber 7,2010,a.t your request I co�ducted an an-site daterm�naaon to revie`�v a
dratnage Fea.ture located on the sub�ect properiy#'ox applicabilrty to tbe Tar-Patr��co
Buffer Ru�es (1 SA.NCAC 2B U259) The fea�ture �s labcicd as`20�0 " on the attacl�ed
map �nxt�al�d by me on Nove�naber 2,2010
At your request, I conducted an on-site determinat�on as stated above Aunt�g my rev�tew
Z evaluated tb.e stream usuig the DWQ Stream Ciassif cation I'ottn � evaluated tue
slzeam reach at the point labeled"SDP-2" on the attached map, �nd calculated ti�e scorc
to bc 20 po�nts Tlie�orm states that�f the scote is"greatez�tban or cqu�l to l 9 points tlie
strcam xg at least xatemuttent"
'�he D�v�sxon of Water Qua�xty(,DWQ) has detcrmuied tlast fhe poxtxon of tbe
Surfacc water c�reied,bug�hghted ua b�uc,s►nd lab��ed ac "2410-" on the attached
map�s ►ntermattent a�d y� SUBJ�C'�to the Tax-P�mLco Ru�fer Rnle Tl�e portton of
thc feature that�s luPhhglated in paz�k�s ephemez�al,and N0�SUBJ�CT to the 1 ax-
�'amlico Buffer Rule Tb.�s featuie and rts assocxated buffexs should be ident�fied an any
future plaus fvr tlus pzop�rty '��le owner(oi .fvture o�vi�.ers) should not�£y�tlie DWQ (and
other xelcv�t agcac�es) of t�»ts dcczsxo� in any�u�kure coz�es�ondez�ces conce�7ung tlias
North CarolmoDivrawn oCWatcr Qu�lily tntemcL rY1VW.�c�vaSCTt�,�IItVAra
943 Woshington Sqitarc Mall Phonc 252 946-G4V1 NOn fil7iCaxo�tna
Woslungbon NC 273A9 FAX [phone]
M Eqyat OpporiunlrylAtQrmaUve Acllon Em�l�yer—b0'y Recyded110°rb Pcst Con�m�r Paper I�i��6����

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11l22l2019 10 35 2529469215 NCDENR DWQ PAGE 64f64
Page 2 of 2
�zoperty TJvs on-site determunaixoi� ahall eYp�xe five(5}ycars fxom the date of tlus
lctter
La��downcrs o�a�fected�arties tl�at dtsputc a detet�unat�on made by t�te DWQ o�
Dele�ated Local Author�ty ihat� svrfaee�vatcr eYists and that zE xs subject to fi1�e bt�ffer
rule r►�ay rcqucst a detexaa�wataoii by thc Duector �requcst far a detcrm��tation by the
I�ucetor sha11 be rcferred to the Duectox un wrat�g cJo Cy�di I{atoly,DWQ, 40�
Oversight/Express Revicw Pe�ltting U�t,232I Crabtrce B�vd, Suite�50 Rale�gl�,NC
27G0�4�22b0 Z»,d�vtduals that dtspute a determmat�ox�by the pWQ�x Delegatcd Local
A,uthority that exempts"a sw-face watex from the bufE'ex rule�uay aslc£ox an ad�ud�catory
lxea,t�ng You m.ust act withm GO days of the date that you rece�ve thts letter A,pphca�rts
are hexeby not�ftcd tl�at ti�e b0 day siatutory a�pe�.1 hme does not start uatxl the affected
party{mcludxQg downstream and ad�ace�t Iandoamer s)zs noiy�ed of tlus decxsion DWQ
xecommends tl�at the apphca�t conduet fb�s not�ficataor�xu orde�r to b�certa�n that third
party a�spcals axe made w a time�y mannez To ask for a hearing, �end a wr.�ne�pct�tiora
which con�'arms to Chapter 150B of the IVorth Caroliiia Genei al5tatu.tcs to the Off cc of
Adxiaxxustrat�ve Heanngs, 6714 Mail Sexv�cc Center, �a1�ig1�,N C 27G99 6714 This
dcternnttat�on�s final anc�bi�dtng unless you ask�'or a heax�ng wi1la��t 60 days
Tb�a lettei only addresses tk�e�pplicabxlaty to the bu�'�'er rulcs and does not appaove any
act�v�ty�v�tthin the bu�Cexs No� docs tli�s lettcr appiove�ny activity w�thin Waters of thc
Un�ted States or Waters o�tlae Statc If you havc any addttional c�uest�ons or requtre
add�tto��a.l�n.fo��mataon pl�ase c�lt Chris Pullirage�at(2S2) 948-3920
Sincere�y,
�-�..� f�.���;,�',�,
c��s P,����g��
Drvisian of Water Quality
Sut�£ace Water Protection
Wash�x�gtoz�Regioual Office
�nclosures 1 24,000 scale USGS topograph�c»�ap, Ernul c�uad�au�gde
cc bWQ 401 Overs�ghd�xpxess Utut
WaRO Filc Ca�y
t'denomc 20�0-
i
�

Appendix C
Technlcal Memorandum Geomorphic and
Hydraulic Analysis for the Proposed Bullt-out
Dewatering Discharge (July 201 �)

❑� Kimley-Horn
�❑ and Associates Inc
,
T e c h n a c a t M e m o r a n d u m
Date July 14 2010
To Mr Steve Whitt
Prepared by Ryan T Lewis PE
Pro�ect Vanceboro Srte
Martm Marietta Materials
Craven and Beaufort Counties North Carolma
Sub�ect Geomorph�c and Hydraul�c Analysis for the Proposed Built out Dewatering Discharge
Purpose
The followmg Techmcal Memorandum provides an assessment of the potent�al impact the proposed
bu�ld out discharge of 12 m�ll�on gallons per day (MGD) may have on the structural stab�irty of the
downstream rece�vmg waters at the proposed Martu►Mar�etta Mater�als (MMM)Vanceboro Quarry srte
Background
In pro�ect and pre appl�cation discussions with the North Carohna Division of Water Quality(NCDWQ)
the approx�mated dewatermg discharge of 12 MGD has been assumed for the built out cond�tion of the
proposed prt In order to evaluate potent�al impact to receiving waters NCDWQ recommended
geomorph�c stream measurements be collected and evaluated at potential discharge locations
Analys�s
Four (4) locat�ons were analyzed along unnamed tributar�es (UT) to Blounts Creek the recerv�ng stream
for the proposed d�scharge dewater�ng These locat�ons are �nd�cated as UT1 UT2 Lower UT2 Upper
and UT3 as shown on the attached F�gure 1 Geomorph�c and Hydraul�c Analys�s Locat�on Map �
Geomorphic measurements at each of these four (4) locat�ons mcluded measurement of typical riffle and
pool cross sections and a long�tudmal profile of the channel bed Add�tional(y channel bed material was
analyzed Photographs of the areas measured can be found in Append�x 1 and measured cross sections
and profiles can be found m Append�x 2
F�eld md�cators were evaluated to �dent�fy the bankfull channel d�mension wh�ch is cons�dered the
channel formmg flow Measured bankfull cross sect�ons were compared to the Coastal Plam Rural
Regional Curve data to correlate observations taken durmg the srte visrt Generally based on the s�ze of
the upstream watersheds the Coastal Plam Reg�onal Curve data suggested that the channel cross sectional
areas would typ�cally be expected to be larger than the v�s�ble channel cross sect�ons rev�ewed durmg the
s�te v�srt Th�s d�fference may be attr�buted to htstorically altered upstream drair►age patterns Observed
bankfull md�cators suggested that the bankfull dimens�ons for UTl UT2 Upper and UT2 Lower be
measured from the top of bank of the vis�ble stream However UT3 appears to have been h�stortcally
channel�zed as rt ex�sts as a narrow deep and stra�ghtened channel wrth a side cast berm No defin�tive
bankfull md�cators were observed for UT3 therefore to properly assess the structural stabil�ty of UT3 the
bankfull area was set at the top of bank of the channel
1

Hydraul�c performance was evaluated usmg the Mann�ng s Equat�on wrthm the measured nffle cross
sect�on for each UT Analyzed flows mcluded bankfull discharge base flow discharge the add�tion of
the proposed 12 MGD built out dtscharge and addrtion of the 6 MGD 'h built out d�scharge Base flow
was assumed to be 2 cfs for each syuare m�le of dramage area To assess the proposed stream flow the
proposed built out discharge was added to the est�mated base flow
Channel substrate for each tr�butary cons�sted of mostly sand Each tr�butary had strong bank vegetation
which mcluded large trees rooted banks and low growmg shrub vegetat�on UT2 Upper and UT3 appear
to have been h�storically channel�zed and stra�ghtened and therefore lacked the large meanders and
smuos�ty of UT 1 and UT2 Lower The Mannmg s n value range utilized wrthm the bankfull channel was
estimated to be between 0 045 0 O55 and was based on the ex�stmg channel substrate smuosity and
vegetat�on observed The Mannmg s n value was mcreased to 0 10 for areas located above the top of
bank for each channel as the floodplams of each tr�butary contamed large wooded riparian buffers w�th
relatively dense undergrowth A deta�led results table for the hydraul�c analysis �s m Append�x 3 A
summary of these results is m Table 1 below
Table 1 Geomorphic and Hydraulic Analysis Results Table
Umt UTl Upper Lower UT3
Drainage Area(DA) miZ 11 2 2 8 4 2 0 04Z
Bankfull Area(ABKF) ftZ 64 6 20 1 13 0 18 93
Average Slope(SA��) ft/ft 0 0017 0 0005 0 0024 0 0010
Bankfull Discharge(QBKF) ft3/sec 96 5 19 0 21 3 2183
a,
00 Base Flow Discharge(Q�E) ft3/sec 22 4 5 7 8 3 0 1Z
.f0c O�
� v Proposed 12MGD(QP l��o) ft3/sec 41 0 24 2 26 9 18 6
C
�Proposed 6MGD(QP�M�o) ft3/sec 31 7 15 0 17 6 9 4
Bankfull Velocity(vBKF) ft/sec 1 5 0 9 1 6 12
� Base Flow Velocity(vB,�E� ft/sec 1 3 0 7 1 2 0 3z
o �
� Proposed 12MGD(vP 1zM�o) ft/se[ 1 3 1 Ol 0 51 1 1
/Proposed 6MGD(vP.�M�o) ft/sec 1 2 0 9 1 5 1 0
Bankfull(TBKF) Ibs/ft2 0 16 0 05 0 18 0 OS
N
� Base Flow(T�E) Ibs/ftZ 0 13 0 03 0 14 0 01z
H �
s v Proposed 12MGD(TP,zM�) Ibs/ftZ 0 13 0 051 0 071 0 09
�
�Proposed 6MGD(TP�,,,�o) Ibs/ft2 0 12 0 04 0 19 0 07
L Bankfull(W�F) Ibs/ft sec 0 24 0 04 0 30 O 10
a,
a ^ Base Flow (W�E) Ibs/ft sec 0 16 0 02 0 17 0 OOZ
3
� v Proposed 12MGD(W P uM�o) Ibs/ft sec 0 16 0 051 0 031 0 09
L
«
�' �Proposed 6MGD(W P 6M�o) Ibs/ft sec 015 0 04 0 29 0 07
I D�scharge exceeds capaciry of the bankfull channel and is ut�lizmg flow withm the floodplam
2 Dramage area histoncally alter through upstream dra�nage d�tches resultmg in low base flow discharge
3 H�stoncally channel�zed and straightened drtch No vis�ble bankfull md�cators Bankfull d�mensions taken at top of bank of vis�ble channel
2

Technrcal Memorandum
Geomorphrc cmd Hydraul�c Analyses for Proposed NPDES Drscharge
MMM�anceboro Srte
July 14 2010
Table 1 d�splays the event spec�fic discharge(Q)and the resultmg velocity(v) shear stress(r) and stream
power (w) Velocrty shear stress and stream power will be util�zed to descr�be the energy exper�enced
withm the stream system at the var�ous discharge events For the purposes of this analysis the butlt out
discharge of 12 MGD (18 6 cfs) was considered to be constant 6 MGD (9 3 cfs) was also analyzed to
prov�de an understandmg of the stream response to a lower discharge smce the mme development and
dewatermg discharge will be gadual
Streams develop morphological characteristics based on the long term effects of runoff m the watershed
from a variety of storm events In th�s case the bankfull channels are the cross sect�ons that formed as a
result of these highly variable runoff storm events Therefore the bankfull flows represent the average
channel formmg flow Bankfull flow events typ�cally correlate to a storm return mterval of 1 1 to 1 3
years Therefore if the proposed discharges m Table 1 resemble bankfull flow condrtions then
geomorphic ad�ustments wrthm the tributary would be expected over time Proposed flow cond�t�ons
closer to the base flow condrtion would be less likely to cause s�gmficant adJustments over time Table 2
below further evaluates the parameters �n Table 1 through rat�o comparisons of the proposed built out
discharges m relat�on to the bankfull and base flow d�scharges
Table 2 Hydraulic Ratio Comparison Table
Ratio UTi UT2 UT2
UT3
Upper Lower
�aP 12MGD��cBKF �4 1 3 1 3 �9
QP 12MGD�QBASE 18 4 3 3 2 233 12
QP 6MGD�QBICF 0 3 �8 �8 �4
4a 6MGDI�saSE 14 2 6 2 1 11�3Z
uP 12MGD/�BKF 0 9 1� �31 �9
VP 12MGDNBASE 1� 1 4 Q 41 3 82
VP 6MGD/�BKF 0 8 1 0 �9 O H
VP 6MGD/"BASE 1� 1 3 1 2 3 4Z
TP 12MGDITBKF O 8 1 1 O 41 1 O
iP 12MGD�iBASE 1� 16 �51 8 iZ
ZP 6MGD�TBKF �7 1� 1� O 9
ZP 6MGD�iBASE 1� 1 5 1 4 6 92
W P 12MGDI W BKF O 7 1 1 O 11 O 9
w P 12MGD�w BASE 1� 2 3 0 21 30 2Z
w P 6MGDI w BKF �6 �9 1� �7
w P 6MGDI W BASE �9 1 9 1 7 23 42
1 D�scharge exceeds capac�ty ofthe bankfull channel and is uhlizmg flow w�thm the floodplam
2 Dramage area h�stoncally alter through upstream dramage drtches resultmg m low base flow discharge
3

Technrcal Memorandum
Geomorphrc and Hydraulrc Analys�r for Proposed NPDES Descharge
MMM Vanceboro Srte
July/4 2010
Summary of Results
UTl with a larger dramage area has a greater channel capac�ty At the location that the cross section
measurements where taken the dramage area �s approximately 11 2 square miles resultmg m a bankfull
flow of 96 5 cfs For UT1 the proposed 12 MGD butlt out d�scharge is less than the base flow condytion
est�mated at 22 4 cfs (approximately 80% of the est�mated base flow) When added to the base flow the
proposed discharge generally matches the velocity shear stress and stream power exper�enced from
normal base flow through the channel Therefore rt is likely that geomorphic ad�ustments resultmg from
the proposed built out dewatermg d�scharge would be mm�mal at UT1
UT2 Upper has a smaller dramage area and does not produce as favorable results The proposed 12MGD
built out d�scharge produces velocities equal bankfull velocit�es and shear stress and stream power values
that are greater than the bankfull condrtion Addrtionally the channel flow condrt�ons resultmg from the
proposed '/2 bu�lt out discharge of 6 MGD produce velocrty shear stress and stream power values
approx�mately equal to the bankfull condrt�on Therefore UT2 Upper would likely experience
ad�ustments due to the veloc�ty shear stress and stream power created even by the proposed '/2 built out
discharge
Downstream at UT2 Lower the dramage area mcreases from UT2 Upper however the measure bankfull
channel �s smaller The bankfull channel at this locat�on appears to be affected by histor�cally altered
upstream dramage The proposed dewatermg d�scharge of 18 6 cfs accounts for approx�mately 90% of
the bankfull discharge for UT2 Lower When the proposed built out discharge �s added to the base flow
discharge on UT2 Lower the resultmg discharge exceeds the capac�ty of the bankfull channel and
overtops the banks Therefore the reported velocrty shear stress and stream power values are lower due
to flow wrthm the floodplam The proposed '/z bu�lt out discharge at this locat�on produces sim�lar results
to UT2 Upper w�th velocity shear stress and stream power values approximately equal to the bankfull
cond�tion UT2 Lower would l�kely experience ad�ustments due to both the proposed built out and '/2
built out d�scharge
The dramage area to UT3 appears to be historically altered and re routed through dramage drtches This
results m a dramage area of 0 04 square m�les and reduces the estimate base flow discharge For this
reason comparison of the proposed discharges to the base flow d�scharge for UT3 was not considered
However the existmg channel at UT3 appears to have a greater abilrty to convey the proposed built out
discharge of 12 MGD than UT2 Upper and UT2 Lower The proposed built out discharge produces
veloc�ty and stream power values that are less than bankfull values and shear stress values that are equal
to the bankfull cond�t�on Although the stream would likely experience channel ad�ustments due to shear
stress and stream power values bemg similar to the bankfull cond�t�on When cons�dermg the proposed '/z
built out discharge the channel shear stress and stream power is reduced to a level that geomorph�c
ad�ustments would be less likely UT3 however appeared to be a man made d�tch durmg the field
assessment If this sect�on of UT3 �s found to be a non�urisdictional feature then the channel could be
s�zed to carry more flow and a stable channel cross sect�on could be constructed
Although UT2 Upper and UT2 Lower (UT2) would likely expertence ad�ustments resultmg from
discharges of 12 MGD and 6 MGD rt appears that both tr�butaries could be capable of conveymg a
d�scharge to a grven threshold The proposed built out d�scharge of 12 MGD could then be splrt to
various downstream tributaries by utihzmg this developed discharge threshold
Add�tionally the hydraulics of UT2 Upper and UT2 L,ower appear to suggest that geomorph�c �mpacts to
the stream are likely however rt �s �mportant to assess the abil�ty of the r�parian system to adJust to
change and mauitam stabilrty The ex�stmg tr�butar�es flow through mature riparian corridors have
4

Technrcal Memorandum
Geomorph�c and Hydraulic Analysis for Proposed NPDES Drscharge
MMM�anceboro Srte
July 14 20/0
regular access to their wooded floodplams and thick vegetation and tree roots secure their banks These
factors appear to prov�de stability to the streams as they have been altered h�storically by d�rect
channelizat�on modification to the upstream dramage pattern and modification of the land cover wrthm
the�r watersheds The proposed built out discharge of 18 6 cfs (12MGD)will not occur at the max�mum
capac�ty from the onset of the proposed mmmg act�vrty but will gradually mcrease over time as the
proposed mmmg plan is implemented Th�s gadual mcrease should allow the stream tributar�es located
downstream of the d�scharge location to ad�ust over t�me and mamtam stabil�ty Ultimately the
downstream tributaries appear to have responded well to h�storical alterations and due to the qual�ty of
the r�parian system seem capable of resistmg some level of change over time
Conclus�on
Based on the analys�s presented w�thm this techmcal memorandum rt is our opmion that the followmg
could occur
■ The d�scharge locat�ons of UT2 Upper and UT2 Lower could accommodate a threshold
dtscharge allowmg these tr�butar�es to be utilized m a splrt flow scenario Further study would
be necessary to determme the appropriate d�scharge threshold
■ UT 3 could be ut�lized to convey at least 6 MGD(9 3 cfs)wrth mmimal geomorphic ad�ustments
If UT3 �s found to be non�urisdictional then th�s channelized section of UT3 could be mod�fied
to convey addrtional dewatering d�scharge The final conveyance of UT3 would help determme
the discharge thresholds set for UT2 and
■ UT1 appears to be of capable s�ze to convey the entire proposed bu�lt out dewatermg discharge of
12 MGD(18 6 cfs)wrth mmimal geomorphic ad�ustments
It is also recommended that a monrtormg program be established for the tributaries that are chosen as
discharge locations These downstream tr�butar�es should be monrtored at the onset of the mmmg
actrvity and as flows gradually mcrease as the mmmg plan �s implemented Stream monrtormg will
allow the gradual stream ad�ustments to be quantified and, if necessary corrective action to take place
END
.�r,...�i
Ryan T Lewis P E
Attachment
F�gure 1 Geomorphic and Hydraul�c Analysis Locat�on and Dramage Area Map
Appendix 1 Photo Pages
Appendix 2 Measured UT Cross sections and Profiles
Append�ac 3 Detailed Hydraulic Analys�s Data
5

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Append ix 1
Photo Pages
I
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C=� Projeet Vanceboro Site
Craven and Beaufort Counties, North Carolina
Kimley-Hom Photo Page Photo Date Project Number
and Associates,Inc.
4 June 2,2010 011185017

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C�� Project Vanceboro Site
� Craven and Beaufort Counties, North Carolina
Kimley-Hom Photo Page Photo Date Project Number
and Associaies,Inc. 5 June 2,2010 011185017
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C�� Project Vanceboro Site
� Craven and Beaufort Counties, North Carolina
Kimley-Hom Photo Page Photo Date Project Number
and Associates,Inc.
5 June 2,2010 Ol 1185017 �

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C=� Project Vanceboro Site
Craven and Beaufort Counties, North Carolina
Kimley-Hom Photo Page Photo Date Project Number
and Assoaates,Inc. 6 June 2,2010 011 185017

Appendix 2
Surveyed UT Cross-sections and Profiles

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Appendix 3
Detailed Hydraulic Analysis Data

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UT1- BASE FLOW DISCHARGE HYDRAULIC REPORT
(Pro�ect Description ^ --��~`_! ��
Fnction Method Manning Formula
Solve For Normal Depth
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Channel Slope 0 00170 ft/ft
Normal Depth 1 84 ft
Discharge 22 40 ft'!s
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UT1- PROPOSED DISCHARGE HYDRAULIC REPORT
Pro�ect Descnption
Fnction Method Manning Formula
Solve For Normal Depth
Input Data
Channel Slope 0 00170 fUft
Normal Depth 2 63 ft
Discharge 41 00 ft/s
Cross Section Image
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UT1- 1/2 PROPOSED DISCHARGE HYDRAULIC REPORT
'Pro�ect Descnption
Friction Method Mannmg Formula
Solve For Normal Depth
,Input Data
Channel Slope 0 00170 fUft
Normal Depth 2 33 ft
Discharge 31 70 ft!s
Cross Section Image _ __ _ _ _ _ _ _
95 50
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UT2 UPPER - BASE FLOW DISCHARGE HYDRAULIC REPORT
Pro�ect Description
Friction Method Manning Formula
Solve For Normal Depth
Input Data
Channel Slope 0 00050 fUft
Normal Depth 1 33 ft
Drscharge 5 70 ft'/s
Cross Section Image
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97 00
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UT2 UPPER- PROPOSED DISCHARGE HYDRAULIC REPORT
`Pro�ect Description
Fnction Method Manrnng Formula
Solve For Normal Depth
Input Data
Channel Slope 0 00050 ft/ft
Normal Depth 2 98 ft
Discharge 24 20 ft/s
Cross Section Image
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UT2 UPPER - 1/2 PROPOSED DISCHARGE HYDRAULIC REPORT
Pro�ect Description
Fnction Method Mannmg Formula
Solve For Normal Depth
Input Data
Channel Slope 0 00050 fUft
Normal Depth 2 27 ft
Discharge 15 00 ft/s
Cross Section Image
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97 00
96 50
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UT2 LOWER - BASE FLOW DISCHARGE HYDRAULIC REPORT
Pro�ect Descnption
Fnction Method Manrnng Fortnula
Solve For Normal Depth
Input Data
Channel Slope 0 00240 ft/ft
Normal Depth 1 58 ft
Discharge 8 30 ft/s
Cross Section Image
94.80
94 60
94 40
9420
94 00
93 80
93 60
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92.80
92.60
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UT2 LOWER- PROPOSED DISCHARGE HYDRAULIC REPORT
Pro�ect Descnption
Fnction Method Manning Formula
Solve For Normal Depth
Input Data
Channel Slope 0 00240 fUft
Normal Depth 2 92 ft
Discharge 26 90 ft/s
�Cross Section Image
95.20
95 00
94 80
94 60
94 40
94 20
94 00
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m 93 40
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UT2 LOWER - 1/2 PROPOSED DISCHARGE HYDRAULIC REPORT
Pro�ect Description
Fnction Method Manning Formula
Solve For Normal Depth
Input Data
Channel Slope 0 00240 ft/ft
Normal Depth 2 32 ft
Discharge 17 60 fP/s
Cross Section Image
94 80
94 60
94 40
9420
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93 60
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UT3 - BASE FLOW DtSCHARGE HYDRAULIC REPORT
Pro�ect Descnption
Friction Method Manning Formula
Solve For Normal Depth
Input Data
Channel Slope 0 00100 fUft
Normal Depth 0 32 ft
Discharge 0 10 ft/s
Cross Section Image
15 50
15 00
14 50
14 00
13 50
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11 50
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UT3- PROPOSED DISCHARGE HYDRAULIC REPORT
Pro�ect Descnption
Fnction Method Manning Formula
Solve For Normal Depth
Input Data
Channel Slope 0 00100 ft/ft
Normal Depth 3 98 ft
Discharge 18 60 ft/S
Cross Section image
15 50
15 00
14 50
14 00
13 50
� 13 00
� 12 50
W 12 00
11 50
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UT3- 1/2 PROPOSED DISCHARGE HYDRAULIC REPORT
Pro�ect Description
Fnction Method Manrnng Formula
Solve For Normal Depth
Input Data
Channel Slope 0 00100 fUft
Normal Depth 2 84 ft
Discharge 9 40 ft/s
Cross Section Image
'15 50
15 00
14 50
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13 50
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Append�x D
Aquatic Habitat Assessment of the Upper
Headwaters of Blount's Creek in the Vicinity of a
Potential Quarry Site near Vanceboro, Beaufort
County, NC (August 2011)

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Upstream at crossing of NC 33 over Blounts Creek
Prepared for
i�Vae�on f�liariet�a's !/�a��eboro Qua�ry ��peratio�s
Beaufort County, North Carolina
Prepared by
�Zff� V�9t������A►���
4709 College Acres Drive, Suite 2
Wilmington, North Carolina
Augus� �0��

TABLE OF CONTENTS
1 0 INTRODUCTION 1
1 1 Purpose 1
12 Pro�ect Site 1
2 0 METHODS 2
2 1 Water Quality and Physical Parameters 2
2 2 Fish 2
2 3 Aquatic Macroinvertebrates 5
3 0 RESULTS 6
3 1 Water Quality and Physical Parameters 6
3 2 Fish 7
3 2 1 Unnamed Tributary 2 (impact 1) 7
3 2 2 Unnamed Tributary 3 (Impact 2) 8
3 2 3 Unnamed Tributary 1 (Control 1) 8
3 2 �4 Blounts Creek(Control 2) 12
3 3 Aquatic Macroinvertebrates 12
3 3 1 Unnamed Tributary 2 (Impact 1) 12
3 3 2 Unnamed Tributary 3 (Impact 2) 13
3 3 3 Unnamed Tributary 1 (Control 1) 13
3 3 4 Blounts Creek(Control 2) 13
4 0 SUMMARY AND CONCLUSIONS 14
4 1 Water Quality 14
4 2 Fish 14
4 3 Aquatic Macroinvertebrates 15
References 24
Appendix A 26
Appendix B 27
Blounts Creek Habitat Assessment Beaufort County NC Pageii
CZR Incorporated

LIST OF FIGURES
Figure 1 Fish benthos and water quality sampling sites on and in the vicinity of Blounts Creek
Beaufort County NC 3
LIST OF TABLES
Table 1 Description of stream conditions at four fish and benthic sampling stations a in the
upper headwaters of Blounts Creek Beaufort County North Carol►na 11 April 2011 7
Table 2 Hydrographic parameters measured during paired fyke net deployment and retrieval
at four sampling stations in the upper headwaters of Blounts Creek Beaufort County
North Carolina on 11 and 12 April 2011 Electroshocking occurred immediately after
net retrieval 9
Table 3 Fish survey in four sites within the upper headwaters of Blounts Creek Beaufort
County North Carolina Electrofishing and fyke net survey was conducted 11 and 12
April 2011 Number of individuals captured is reported with the range of total length
(millimeters in parentheses) for the first 30 individuals measured A dash ( ) indicates
that no individuals of the taxon were documented 10
Table 4 Comparison of similarity between fish communities using both the laccard (presence
or absence of species) and Morisita Horn (presence or absence and individual
distribution) similarity indices respectively (laccard value/Morisita Horn value) Both
the Jaccard and Morisita Horn indices range from zero to one with 0 representing
dissimilar communities and 1 representing identical communities 11
Table 5 Comparison of similarity between benthic communities using both the Jaccard
(presence or absence of species) and Morisita Horn (presence or absence and
individual distribution) similarity indices respectively (Jaccard value/Morisita Horn
value) Both the Jaccard and Morisita Horn indices range from zero to one with 0
representing dissimilar communities and 1 representing identical communities 11
Table 6 April 2011 aquatic macroinvertebrate survey of the upper headwaters of Blounts
Creek Beaufort County North Carolina A dash ( ) indicates that no individuats of the
taxon were documented Taxa may include pupae larvae or�uveniles 19
Table 7 Taxa richness of aquatic macroinvertebrates (by group) at four aquatic
macroinvertebrate sampling stations in the upper headwaters of Blounts Creek
sampled on 11 Aprii 2011 22
Table 8 Site score calculations at four aquatic macroinvertebrate sampling stations in the
upper headwaters of Blount Creek Beaufort County NC Scores are based on the
North Carolina Division of Water Quality Macroinvertebrate Standard Operating
Procedure (2006b)for swamp streams in Level IV Ecoregion swamp region B 23
Blounts Creek Habitat Assessment Beaufort County NC Pageiii
CZRlncorporated

Aquatic Habitat Assessment of the Upper Headwaters of Blounts Creek in
the Vicinity of a Potential Quarry Site Near Vanceboro,
Beaufort County, NC
1 0 INTRODUCTION
Blounts Creek and several associated unnamed tributary (UT) locations were evaluated for
aquatic habitat quality using North Carolina Division of Water Quality (NCDWQ) standards
Evaluation of aquatic habitat was performed at four locations two potential impact locations
and two control locations The habitat assessment included collection of water quality fish and
macroinvertebrate data
1 1 Purpose
The purpose of this evaluation was to characterize areas of the Blounts Creek
headwaters that may be affected by potential future quarry operations (impact areas) and
compare those locations to one area of no planned impact and one area downstream of the
three sampled upper tributaries(control areas)
1 Z Pro�ect Site
Blounts Creek is located in Beaufort County North Carolina in the vicinity of the
Vanceboro Township Blounts Creek drains generally from south to north and is a
tributary to the Pamlico River The lower reaches are estuarine and classified by the
state as saltwater from Herring Run to the Pamlico River Blounts Creek is classified as
freshwater from its source to Herring Run which is located approximately five miles
upstream of its mouth with the Pamlico River The most downstream sampled site
referred to in this study as Blounts Creek is over eight stream miles from the mouth
and the most upstream sampled site UT1 is about 10 stream miles from the mouth
(Figure 1) Sampled stream segments are classified by the state as class C freshwaters
swamp waters and nutrient sensitive waters (NCDWQ 2007)
All sampled stream segments were within alluvial bottomland hardwood forests
on soils mapped as Muckalee (Kirby 1995) The drainage basins above all sampled
locations are occupied by various stages of pine plantation on hydric soils mapped
largely as Leaf silt loam Bayboro loam and Pantego loam Estimated drainage basin
acreages associated with each sampling station are Blounts Creek drainage basin
covers the largest area with 7 080 acres (11 1 square miles) followed by UT2 with 2 730
acres (4 3 square miles) UT1 with 2 025 acres (3 2 square miles) and UT3 with 1 240
acres (19 square miles) Unnamed tributary UT 2 and UT3 were chosen as
Blounts Creek Habitat Assessment Beaufort County NC Page 1
CZR Incorporated

representative impact sites based on the proposed pro�ect and current drainage basins
Similarly Blounts Creek and UT1 were chosen as control sites (Figure 1)
2 0 METHODS
2 1 Water Quality and Physical Parameters
Temperature conductivity salinity dissolved oxygen and pH were measured
and recorded by CZR Incorporated (CZR) with an YSI Professional Plus Quatro at each of
the four fish and benthos sampling stations as well as three additional downstream
locations on Blounts Creek (Figure 1) Water quality at the four fish and benthos
sampling stations were measured twice once on the first day of sampling in con�unction
with fyke net set and benthic sweep collections and next on the following morning in
con�unction with fyke net retrieval and electroshock fishing Water quality at the other
three downstream water quality locations was measured once (second sampling day)
Other qualitative parameters assessed by CZR at the time of benthic quantitative
sampling included substrate composition water depth canopy cover aufwuchs (algal
bacterial fungal and meiofaunal growth upon solid surfaces) flow estimates and bank
erosion Photographs characteristic of the habitat were taken at each sampling station
and a NCDWQ habitat field assessment data form was completed at each of the
sampling stations
2 2 Fish
Monitoring stations 600 feet in length were established for surveying fish in four
separate locations in accordance with NCDWQ 2006 Standard Operating Procedure
Stream Fish Community Assessment Program (NCDENR 2006a) Fish were sampled at
each of the four monitoring stations on 12 April 2011 using a Smith Root battery
powered backpack Model 12 POW Electrofisher with a conductivity range of 10 to 600
microsiemens/cm3 In an effort to more thoroughly sample fish populations paired fyke
nets (one facing upstream and one faang downstream) each consisting of a 0 25 inch
mesh net with four 21 inch hoops a 6 inch throat and a 22 foot wingspan were set in
the channel at the downstream end of all four monitoring stations Fyke nets were
deployed the evening of 11 April 2011 and retrieved the morning of 12 April 2011 All
collected fish specimens were identified measured counted and photographed in the
field prior to release
Blounts Creek Habitat Assessment Beaufort County NC Page 2
CZR Incorporated

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Several metrics for fish communities can be used to assess the biological
integrity of streams but many are not applicable to coastal plain streams due to the
unique biological physical and chemical characteristics of these systems However
three metrics (species richness total fish abundance and percent tolerant individuals)
have been found useful in assessing the biotic integrity in the coastal plain (Paller et al
1996 Scott and Hall 1997) The dietary guild structure of individuals was also used in
order to evaluate trophic complexity within the tributaries Trophic classification and �
tolerance rankings (tolerant intermediate and intolerant) were based on the
classifications developed by NCDWQ (NCDENR 2006a) In addition the percentage of
anadromous individuals collected was used as a metric as they are part of the natural
fish assemblage for most coastal plain streams and these species are of particular
interest and concern to state and federal agencies For purposes of this study young
of year (YOY) fish specimens were included in data analysis
The Jaccard index and the Morisita Horn index of community similarity were
used to compare the similarity of fish communities between the four monitoring
stations The Jaccard index (C�) (Brower Zar and von Ende 1998) is defined as
C,=c/(sl+sZ c) where
c= number of species found at both sites and
sl s2 are the total number of species in community 1 and 2 respectively
The Morisita Horn index (Cmh) (Li and Li 1996) while more complicated has the
additional advantage of incorporating not �ust the presence of similar species but also
the relative abundance of species found at both sites Consequently it is a more
comprehensive descriptor of community similarity It is defined as
Cmn= 2 Ex, , where —
��i+7�z)�NiNz)
x, and y,are the total number of the ith species at site land 2
N1 and NZ represent the total number of individuals at site 1 and 2 respectively
and
�1= Ex,L, 1) and �Z is similarly defined
Ni�Ni 1)
Both the Jaccard and the Morisita Horn indices of community similarity range
from 0 to 1 with 0 representing completely dissimilar populations and 1 representing
identical populations
Blounts Creek Habitat Assessment Beaufort County NC Page 4
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2 3 Aquatic Macroinvertebrates
Benthic invertebrate sampling occurred on 11 April 2011 following the swamp
stream method as described in NCDWQ 2006 Standard Operating Procedures for
collection of benthic invertebrates in the Level IV Ecoregion Swamp Region B of the
coastal plain of North Carolina (NCDENR 2006b) Region B generally corresponds with
the Mid Atlantic Flatwoods ecoregion (63e) This area is bounded by the Neuse River to
the south and the Suffolk scarp to the east In accordance with the protocol nine
standing sweep net samples for macroinvertebrates were collected within the 600 foot
fish sampling reach prior to fish shocking Samples were sieved and picked in the field
and preserved in 10 percent formalin in labeled specimen vials
Benthic samples were identified by a CZR benthic ecologist to the lowest
taxonomic level possible Twenty five (25) percent of the samples were randomly
selected to be re identified by an outside laboratory for QA/QC
North Carolina tolerance values for each identified taxa were used where
available to calculate a biotic index (BI) for each sampling location (NCDENR 2006b in
addition to personal communications with Larry Eaton Environmental Senior Specialist
NCDENR) The BI values allow assessment of temporal changes as well as comparison of
biological integrity among samples Values for BI range from 1 10 with 10 indicating
the most biologically altered or polluted Additionally Ephemeroptera Plecoptera and
Trichoptera taxa richness (EPT richness) was calculated Similar to BI EPT richness is
considered an indicator of good ecosystem health Coastal streams average higher BI s
and lower EPT richness than mountain and piedmont streams due to their low flow
conditions Each sampl�ng location was also assessed using site scores which were
calculated using swamp stream criteria from NCDENR (2006b) as follows
BI calculation Tv(n)/N where
Tv Tolerance value
n Abundance value (1 3 or 10)
N Sum of all abundance values
A site score was calculated using the BI habitat score EPT score and taxa
richness score This formula is found in the North Carolina Macroinvertebrate Standard
Operating Procedure (2006b) The score ranges from 0 10 scores between 9 and 10
indicate natural conditions scores between 4 and 8 indicate moderate stress and
scores between 1 and 3 designate a severely stressed stream
Taxa were assigned to one of the eight types of functional feeding groups
(collector gatherer predator shredder scraper collector filterer parasite omnivore
Blounts Creek Habitat Assessment Beaufort County NC Page 5
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and piercer) (Barbour et al 1999 Bode et al 1991 1996 Klem et al 1990 Mackie
2001 Plafkin et al 1989) Feeding guild structure is used to evaluate trophic
complexity between tributaries Stressed conditions can be reflected in an imbalance of
functional feeding groups or unstable food dynamics (Barbour 1999) Similar to metrics
used to compare fish the Jaccard index and the Morisita Horn index of community
similarity were used to compare the similarity of the benthic communities between the
four monitoring stations (Brower Zar and von Ende 1998)
3 0 RESULTS
3 1 Water Quality and Physical Parameters
Site conditions associated with benthic collections are found in Table 1 The
substrate for all sites was predominantly detritus and/or silt Most sites were within
bottomland hardwood forest with stable vegetated banks and slow flowing water
approximately 1 to 2 feet deep
A summary of collected water quality measurements collected during fish
sampling is presented in Table 2 Temperature ranged from 18 6 C upon net retrieval
and electrofishing at UT3 (impact 2) to 25 5 C upon net retrieval and electrofishing at
UT2 (impact 1) Conductivity and specific conductivity ranged between 717
microsiemens (µS) to 119 2 µS and 710 µS to 132 0 µS respectively Percent saturation
of dissolved oxygen ranged from 49 0 upon net retrieval and electrofishing at UT1
(control 1) to 917 upon net set at UT3 (impact 2) and milligrams per liter of dissolved
oxygen (mg/L) ranged from 4 52 to 8 18 respectively Salinity ranged from 0 04
practical salinity units (psu) at UT2 (impact 1) to 0 06 psu at UT1 (control 1) The pH
ranged between 4 37 upon net set at UT1 (control 1) to 4 85 upon net set at UT2
(impact 1) Photographs taken from sampling stations are found in Appendix A and
completed NCDWQ habitat field assessment forms are found in Appendix B
Parameters from the three water quality stations sampled at downstream
locations unassociated with fish and benthic sampling were collected the second day of
sampling after fyke net retrieval Overall pH was higher at these locations and station
WQ3 had considerably lower conductivities
Blounts Creek Habitat Assessment Beaufort County NC Page 6
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Table 1 Description of stream conditions at four fish and benthic sampling stations a in the upper
headwaters of Blounts Creek Beaufort County North Carolina 11 April 2011
Impact sites Control sites
Parameter
UT2 UT3 Blounts Creek UT1
Depth (in) 20 00 1175 15 00 25 75
Canopy cover Semi open Semi closed Closed Semi open
Aufwuchs Moderate Moderate Medium Low
Bank erosion None None None None
Substrate(�o)
Gravel 0 0 0 0
Sand 20 5 20 5
Silt 35 60 20 65
Detritus 45 35 60 30
Water quality
Temperature (°C) 19 5 20 8 19 1 20 1
Conductivity(µS) 717 99 1 88 4 119 2
Salinity(psu) 0 04 0 05 0 05 0 06
D0 (mg/L) 691 818 671 547
pH 4 85 4 60 4 72 4 37
Water flow Medium Low moderate Medium Low
aData collected in the v�anity of the fyke net set at the downstream segment of the sampling site
3 2 Fish
3 2 1 Unnamed Tributary 2(Impact 1)
A total of 20 individual fish were collected among seven species between
both electrofishing and fyke netting at UT2 Bluespotted sunfish (Enneacanthus
gloriosus) pirate perch (Aphredoderus sayanus) and chain pickerel (Esox niger)
comprised most of the collected individuals between the two sampling methods Two
of 20 fish collected at UT2 were YOY chain pickerel Six of the seven species of fish
collected at UT2 were collected during electrofishing with one species mud sunfish
(Acantharchus pomotis) only being collected by fyke net Six of seven species collected
at UT2 have an intermediate tolerance rating Yellow bullhead (Ame�urus natalis) was the
only species collected at UT2 tolerant of adverse environmental conditions therefore
only five percent of the total individuals collected were tolerant of adverse
environmental conditions Two of seven species collected were piscivorous (fish eating
Blounts Creek Habitat Assessment Beaufort County NC Page 7
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speaes) representing six individuals or 30 percent of the total catch None of the
seven species collected were anadromous (Table 3)
The Jaccard index indicated that although UT2 had the most species in
common with Blounts Creek (0 75) the Morisita Horn index indicated that UT2 was
more similar to UT1 in terms of community overlap (0 79) (Table 4)
3 2 2 Unnamed Tributary 3(Impact 2)
A total of nine individual fish were collected among four species between
both electrofishing and fyke netting at UT3 Creek chubsucker (Erimyzon oblongus) and
pirate perch comprised most of the collected individuals between the two sampling
methods each representing three individuals One of nine fish collected at UT3 was a
YOY bluegill (Lepom►s macrochirus) No fish were collected at UT3 during electrofishing
all fish from UT3 were collected by fyke net All four species collected at UT3 are
intermediately tolerant of adverse environmental conditions None of the species
collected at UT3 were either piscivorous or anadromous (Table 3)
The Jaccard index indicated that UT3 had the most species in common
with Blounts Creek (0 38) The Morisita Horn index also indicated that UT3 was more
similar to Blounts Creek in terms of community overlap (0 86) compared to the other
monitoring stations (Table 4)
3 2 3 Unnamed Tributary 1(Control 1)
A total of 11 individual fish were collected among four species between
both electrofishing and fyke netting at UT1 Bluespotted sunfish and chain pickerel
comprised most of the collected individuals between the two sampling methods Two
YOY bluespotted sunfish and one YOY chain pickerel were collected at UT1 No fish
were collected at UT1 during electrofishing all fish from UT1 were collected by fyke net
All four species collected at UT1 are intermediately tolerant of adverse environmental
conditions Two of four species collected were pisavorous (four individuals) or 36
percent of the total catch None of the four species collected were anadromous (Table
3)
The Jaccard index indicated that UT1 had the most species in common
with UT2 (0 57) The Morisita Horn index also indicated that UT1 was more similar to
UT2 in terms of community overlap (0 79) compared to the other monitoring stations
(Table 4)
Blounts Creek Habitat Assessment Beaufort County NC Page 8
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Table 4 Comparison of similarity between fish communities using both the laccard
(presence or absence of species) and Morisita Horn (presence or absence and individual
distribution) similarity indices respectively (Jaccard value/Morisita Horn value) Both the
Jaccard and Morisita Horn indices range from zero to one with 0 representing dissimilar
communities and 1 representing identical communities
Sampling Site
UT2 UT3 UTi Blounts Creek
UT2 1/1 022/042 057/079 075/048
�
y UT3 022/042 1/1 014/009 038/086
eo
c
a
E
�n UT1 057/079 014/009 1/1 038/018
(
Blounts Creek 0 75/0 48 ' 0 38/0 86 1 0 38/0 18 ' 1/1
Table S Comparison of similarity between benthic communities using both the Jaccard
(presence or absence of species) and Morisita Horn (presence or absence and individual
distribution) similarity indices respectively (Jaccard value/Morisita Horn value) Both the
Jaccard and Morisita Horn indices range from zero to one with 0 representing dissimilar
communities and 1 representing identical communities
Sampling site
UT2 UT3 UT1 Blounts Creek
UT2 1/ 1 017/084 009/077 041/089
a,
I I I
�
� UT3 017/084 1/1 036/091 026/094
c
a
�
�a
'^ UT1 009/077 036/091 1/1 014/092
BlountsCreek 041/089 026J094 014/092 1/1
Blounts Creek Habitat Assessment Beaufort County NC Page 11
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3 2 4 Blounts Creek(Control 2)
A total of 32 individual fish were collected among seven spec�es between
both electrofishing and fyke netting at Blounts Creek Creek chubsucker and pirate
perch comprised most of the collected individuals between the two sampling methods
representing 16 and 10 individuals respectively No YOY fish were collected from
Blounts Creek Only two of the seven species of fish collected at Blounts Creek were
collected during electrofishing with one species redfin pickerel (Esox americanus
americanus) being collected by electrofishing only Six of seven species collected at
Blounts Creek have an intermediate tolerance rating Yellow bullhead was the only
species collected at Blounts Creek tolerant of adverse environmental conditions Two
yellow bullhead were collected out of 32 individuals from Blounts Creek therefore only
6 percent of the total individuals collected were tolerant of adverse environmental
conditions One of seven species collected was pisavorous representing one individual
or only 3 percent of the total catch None of the seven species collected were
anadromous (Table 3)
The Jaccard index indicated that Blounts Creek had the most species in
common with UT2 (0 75) Though Blounts Creek had the most species in common with
UT2 the Morisita Horn index indicated that Blounts Creek was more similar to UT3 in
terms of community overlap (0 86) The Morisita Horn index is independent of sample
size and takes into account individuals per species not �ust the presence or absence of
species (Table 4)
3 3 Aquatic Macroinvertebrates
3 3 1 Unnamed Tributary 2(Impact 1)
This site (UT2) is characterized by a semi open canopy and a detrital
channel substrate (Table 1) The Jaccard index and Morisita Horn index indicated that
UT2 was most similar to Blounts Creek (0 410 89 respectively) (Table 5)
A total of 16 taxa from eight groups were identified w�th a total of 65
individuals enumerated (Table 6) Four types of functional feeding groups were present
at this site including collector gatherer predator shredder collector filterer The most
abundant feeding type collector gatherer comprised approximately 58 percent of the
total organisms and 38 percent of the total taxa at this site A biotic index (BI) of 7 28
was calculated for UT2 and it received a NCDWQ site score of 6 which is in the middle
of the moderately stressed range (4 8) (Tables 7 and 8)
Blounts Creek Habitat Assessment Beaufort County NC Page 12
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3 3 2 Unnamed Tributary 3(Impact 2)
This site (UT3) is characterized by a semi closed canopy and a silty clay
channel substrate (Table 1) The Jaccard index indicated UT3 and UT1 were most similar
(0 36) in species composition and the Morisita index indicated the UT3 community was
most similar to Blounts Creek (0 94) (Table 5)
A total of 10 taxa from five groups were identified with 52 individuals
enumerated (Table 6) Three functional feeding groups were identified at this site
including predator collector gatherer and shredder The collector gatherer was the
most abundant feeding group comprising approximately 71 percent of the total
organisms and 50 percent of the species collected at this site A BI of 7 61 and a
NCDWQ site score of 4 was calculated for UT3 (Table 7) This site score represents the
lowest score in the moderately stressed range (Table 8)
3 3 3 Unnamed Tributary 1(Control 1)
This site (UT1) is characterized by a semi open canopy and a silty clay
channel substrate (Table 1) The Jaccard index indicated that UT3 had the most species
in common with UT1 (0 36) The Morisita Horn index indicated that Blounts Creek and
UT2 were equally similar to UT1 in terms of community overlap (0 91) compared to the
other monitoring stations (Table 5)
A total of eight taxa from four groups were identified with 56 individuals
counted (Table 6) Four types of functional feeding groups were identified at this site
including collector gatherers predators collector filterers and scrapers The collector
gatherer feeding group comprised approximately 50 percent of the species and 84
percent of the total organisms collected at this site A BI of 7 73 and a site score of 4
was estimated for UT1 since the pH for this site was below the range with data used to
assign a score (Table 7 and 8) Similar to UT3 (impact 2) this control site had a site score
on the low end of the site score range indicating a moderately stressed system
3 3 4 Blounts Creek(Control 2)
The Blounts Creek sampling station has a closed canopy and a detrital
channel substrate (Table 1) The laccard index indicated Blounts Creek and UT2
communities were most similar (0 41) in species composition the Morisita index
indicated Blounts Creek was most similar to UT3 (0 94) (Table 5)
Eight taxa from four groups were identified with 29 individuals
enumerated (Table 6) Four functional feeding groups were present including collector
gatherers predators shredders and collector filterers Collector gatherers comprised
38 percent of the species and 76 percent of the total organisms collected at this site
Blounts Creek Habitat Assessment Beaufort County NC Page 13
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Blounts Creek had a BI of 7 83 and a NCDWQ site score of 5 indicating a moderately
stressed site (Table 7 and 8)
4 0 SUMMARY AND CONCLUSIONS
4 1 Water Quality
Collected data were within expected ranges and characteristic of coastal plain
swamp streams Naturally occurring tannic acids occur from the breakdown of organic
matter and are often retained in low flow swamp streams contributing to low pH
conditions When comparing the downstream water quality monitoring sites to water
quality taken at the fish and macroinvertebrate sampling sites higher pH and greater
water depths were the most notable differences Also the downstream WQ3 site had
relatively low conductivities when compared across all sites
Dissolved oxygen (mg/L) and pH measurements were within the North Carolina
fresh surface water quality standards for class C waters (15A NCACO2B 0211) according
to NCDWQ Surface Water and Wetland Standards (NCDENR 2007)
4 2 Fish
Species richness ranged from four species collected at both UT3 (impact 2) and
UT1 (control 1) to seven species collected at both UT2 (impact 1) and Blounts Creek
(control 2) Total abundance ranged from a low of nine individuals at UT3 (impact 2) to
a high of 32 individuals collected at Blounts Creek (control 2) Species richness of a
stream decreases with increased stress and/or environmental degradation (Barbour et
al 1999 Roth et al 2000 NCDENR 2006a) Overall both species richness and total
abundance were relatively low for both impact and control monitoring locations
Eight out of nine species collected across all four monitoring stations were
intermediately tolerant of adverse environmental conditions as defined by NCDWQ
(NCDENR 2006a) Yellow bullhead was the only tolerant species collected with three
individuals out of a total of 71 collected across all four monitoring stations Two of the
three yellow bullhead individuals collected were from Blounts Creek (control 2)
accounting for only six percent of the total catch collected from Blounts Creek (Table 2)
There were no intolerant speaes collected at any of the four monitoring
stations Collection of such a low percentage of tolerant species within fish
communities is typically viewed as an indicator of an undisturbed reference stream as
the number of tolerant individuals increases as a stream degrades conversely
Blounts Creek Habitat Assessment Beaufort County NC Page 14
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collection of no intolerant species within a stream usually indicates degradation (Paller
et al 1996 Scott and Hall 1997 Roth et al 2000 NCDENR 2006a) Pirhalla (2004)
classified six of the eight intermediately tolerant species collected across the four
monitoring locations as tolerant in the coastal plain of Maryland while trying to develop
a tolerance mdex of habitat degradation for stream fish excluding only flier
(Centrarchus macropterus) and mud sunfish (Acantharchus pomotis)
Five of nine species collected across all four monitoring stations were
insectivores representing 36 individuals out of a total of 71 collected Typically in a
stressed stream environment the number of omnivores increases and the insectivores
and piscivores decrease (Roth et al 2000 NCDENR 2006a) The percentage of
insectivores collected was greatest at all but Blounts Creek (control 2) where omnivores
made up 56 percent of the total catch (Table 2) The combined percentage of fish
collected with insectivore and piscivore trophic guilds from UT2 (impact 1) and UT1
(control 1) were 85 percent and 91 percent respectively
No anadromous species were collected at any of the four monitoring stations
Anadromous species w�th the potential to occur would be from the Clupeidae family
These include the blueback herring(Alosa aestivalis) American shad (Alosa sapidissima)
hickory shad (Alosa med�ocr�s) gizzard shad (Dorosoma cepedianum) and threadfin
shad (Dorosoma petenense) All species of Clupeidae are intermediately tolerant of
adverse environmental conditions as defined by NCDWQ(NCDENR 2006a)
Both the Jaccard index and the Morisita Horn index indicated that UT3 (impact
2) and UT1 (control 1) were most similar to Blounts Creek (control 2) and UT2 (impact
1) respectwely The Jaccard index indicated that UT2 (impact 1) and Blounts Creek
(contro! 2} had the most species in common however the Morisita Horn index
indicated that UT2 (impact 1) and Blounts Creek (control 2) were most similar to UT1
(control 1) and UT3 (impact 2) respectively The Morisita Horn index is independent of
sample size and takes into account individuals per species not �ust the presence or
absence of species
4 3 Aquatic Macroinvertebrates
Diversity ranged from 8 16 taxa identified with a range of 29 65 individual
organisms collected at each site The most diverse site sampled was UT2 (impact 1)
with eight groups 16 taxa and 65 individuals identified (Tables 5 and 6) Only two
sampling stations had EPT of those two stations one had a single taxon with one
individual (Blounts Creek) and the other station UT2 had two taxa with one individual
each When BI s across all stations are compared relatively little difference was
Blounts Creek Habitat Assessment Beaufort County NC Page 15
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detectable and values ranged between 7 28 and 7 83 In the swamp stream habitat this
range indicates the streams evaluated are under moderate stress (NCDWQ, 2006b)
Station UT2 had the lowest BI (7 28) and highest EPT (2) indicating that this location has
slightly better water quality when compared to the other stations
Taxa and individuals from most stations were predominantly occupied by the
collector gatherer feeding guild Predators comprised 50 percent of the species at UT1
Station UT1 was the only station with a single individual in one taxon within the scraper
feeding guild Shredders represented between 3 and 8 percent of the total individuals
and were found at all stations except UT1 Those groups considered specialized feeders
(scrapers piercers and shredders) are considered more sensitive and are thought to be
well represented in healthy streams while generalist feeders (collectors and filterers)
have a broader range of acceptable food materials and as a result are more tolerant to
pollution that could alter food availability (Cummins and Klug 1979)
The collector gatherer feeding group was dominant at all stations the
percentage of this group ranged from approximately 58 percent at UT2 to 84 percent at
UT1 Relative abundance of individuals in functional feeding groups (trophic dynamics)
may reflect stressed conditions when food dynamics are not stable leading to an
imbalance in functional feeding groups (Barbour et al 1999) The shredder feeding
group was identified from all sites except UT1 percent relative abundance ranged from
7 7 at UT3 to 3 4 at Blounts Creek These species are especially sensitive to types of
toxicity that can penetrate coarse particulate organic matter (CPOM) such as leaf packs
Metrics using the ratio of shredder individuals to total individuals are used to evaluate
potential site impairment based on the CPOM shredder community Use of this metric
here is not suitable because it is based on sampling the CPOM community directly by
collecting leaf pack material and washing or picking individuals from the leaf surfaces
(Plafkin et al 1989) Overall UT2 had the most even distribution of feeding groups
indicating more variety of food sources
The NCDWQ site habitat scores ranged from 4 6 at sampled stations (Table 8)
The pH from UT1 was below the values in the metric score table however a value of 4
was estimated based on extrapolation of taxa richness from higher pH values Stations
UT3 and UT1 had the lowest NCDWQ site scores (4) and UT1 had the lowest pH and
dissolved oxygen values These ranges fall at the lower end of moderately stressed
streams Station UT2 exhibited the highest site score (6) the lowest BI and highest EPT
values indicators that water quality was slightly better at this site compared to other
sampled stations
Blounts Creek Habitat Assessment Beaufort County NC Page 16
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The Jaccard index indicated macroinvertebrate communities were most similar
between UT2 and Blounts Creek (0 41) which is consistent with the fish metrics The
Morisita Horn index indicated macroinvertebrate communities were most similar
between UT3 and Blounts Creek (0 94) which is consistent with the fish metrics
Various other swamp streams in the same NCDWQ ecoregion (63e) (NCDENR
2006b) as Blounts Creek have been assessed by NCDWQ Bioclassifications for these
swamp streams range from severely stressed to natural A total of 11 creeks from the
same basin (Tar/Pamlico) with comparable sampling techniques were found in
NCDWQ s database five of these had a bioclassification of moderate three were
natural one severe and three were not rated
When comparing these swamp streams assessed by NCDWQ and the swamp
streams sampled in Blounts Creek most of the water quality parameters are similar
Conductivity in the DWQ creeks studies ranged from 65 184µS compared to 72 9 112 4
µS from this study and DO in the DWQ and Blounts Creeks ranged from 1 6 11 5mg/L
and 4 5 7 4mg/L respectively However the pH range at the Blounts Creek streams in
this study are lower (4 4 4 8) than all the DWQ assessed streams (5 1 6 9) except one
rated as severely stressed located near Acre Swamp with a pH of 4 2
The biotic index values from the NCDWQ streams with a moderate
bioclassification ranged from 6 54 6 88 These values are lower (more environmentally
sensitive or pristine) than the BI range sampled in this study (7 28 7 83) The difference
in ranges of BI and pH between NCDWQ streams and this study are not surprising
because the scores for the creeks in this study fell at the very lowest end (4) of the
moderately stressed site score scale (4 8) The differences in analyzed metrics between
stations are relatively small e g the BI ranges from 7 28 7 83
This study represents one sampling effort during the period when aquatic life
use would be expected to be high The four weeks preceding sampling were within the
abnormally dry status assigned by the Drought Monitor
(NOAA/NWS/NCEP/CPCEPA/USDA) which incorporates long term tota) rainfall
Although monthly rainfall amounts were below average for January through April all
monthly totals were normal or within one standard deviation of the average Water
levels within the stream channel did not appear abnormally low and appeared favorable
for successful aquatic collections Although the overall condition of the sampled stream
segments and surrounding alluvial bottomland hardwood community was intact and
relatively natural the results of the survey for macroinvertebrates and fish reflect the
quality of a relatively typical upper drainage segment of a freshwater stream in the
lower coastal plain Perhaps alteration of the watershed which consists of primarily
Blounts Creek Habitat Assessment Beaufort County NC Page 17
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highly managed silvicultural lands on ditched hydric loamy soils has influenced and
affected the aquatic community The conversion of the watershed to ditched pine
plantations may also contribute to the relatively low pH values which are not an
uncommon occurrence in the lower coastal plain but under normal circumstances are
more often associated with streams originating in highly organic (peat or muck) soils
Blounts Creek Habitat Assessment Beaufort County NC Page 18
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Table 8 Site score calculations at four aquatic macroinvertebrate sampling stations in the upper
headwaters of Blount Creek Beaufort County NC Scores are based on the North Carolina
Division of Water Quality Macroinvertebrate Standard Operating Procedure (2006b) for swamp
streams in Level IV Ecoregion swamp region B
UT2 UT3 Blounts Creek UT1
Site score evaluation (Impact 1) (Impact 2) (Control 1) (Control 2)
BI 728 761 783 773
BI score 3 3 3 3
Habitat field assessment 82 75 87 76
Habitat score 5 3 5 3
EPT 2 0 1 0
EPT score 3 1 1 1
Taxa richness 16 10 8 8
Taxa richness score 3 3 3 3a
S�te scoreb 6 4 5 4
Bioclassification` Moderate Moderate Moderate Moderate
a No data available for the pH measured extrapolated a score from above pH
b NCDWQSite score formula= [(2*BI score+Habitat score+EPT score+Taxa richness score) 5]/2
`NCDWQ bioclassification scale Natural Moderate and Severe
Site score of 9 10= Natural conditions
Site score of 4 8= Moderately stressed
Site score of 1 3=Severely stressed
Blounts Creek Habitat Assessment Beaufort County NC Page 23
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References
Barbour M T J Gerritsen B D Snyder and J B Stribling 1999 Rapid Bioassessment
Protocols for Use in Streams and Wadeable Rivers Periphyton Benthic
Macroinvertebrates and Fish EPA 841 B 99 002 United States Environmental
Protection Agency Office of Water Washington D C
Bode R W Novak M A and Abele L E 1991 Methods for Rapid Biological
Assessment of Streams NYS Department of Environmental Conservation
Albany NY 57p
Bode R W Novak M A and Abele L E 1996 Quality Assurance Work Plan for
Biological Stream Monitoring in New York State NYS Department of
Environmental Conservation Albany NY 89p
Brower James E Jerrold H Zar and Carl N von Ende 1998 Field and laboratory
methods for general ecology 4th ed WCB Mcgraw Hill Boston Massachusetts
Cummins K W and M J Klug 1979 Feeding ecology of stream invertebrates Ann Rev
Ecol Syst 10147 172
Kirby Robert M 1995 Soil Survey of Beaufort County North Carolina Natural
Resources Conservation Service
Klemm D J Lewis P A Faulk F and Lazorchak J M 1990 Macroinvertebrate Field
and Laboratory Methods for Evaluat�ng the Biological Integrity of Surface
Waters EPA/600/4 90/030 United States Environmental Protection Agency
Office of Water Washington D C
Li H W and J L Li 1996 Fish Community Composition pps 391 to 406 In Methods in
Stream Ecology F R Hauer and G A Lamberti eds Academic Press San Deigo
California
Roth Nancy E Mark T Southerland Janis C Chaillou Paul F Kazyak and Scott A
Stranko 2000 Refinement and Validation of a Fish Index of Biotic Integrity for
Maryland Streams Maryland Department of Natural Resources Chesapeake
Bay and Watershed Programs Monitoring and Non tidal Assessment CBWP
MANTA EA 00
Biounts Creek Habitat Assessment Beaufort County NC Page 24
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Mackie G L 2001 Applied Aquatic Ecosystem Concepts Kendall/Hunt Publishing
Company xxvi 744p
North Carolina Department of Environmental and Natural Resources (NCDENR) 2006a
Standard Operating Procedure Biological Monitoring Stream Fish Community
Assessment Program Division of Water Quality Environmental Sciences Section
Biological Assessment Unit
North Carolina Department of Environmental and Natural Resources (NCDENR) 2006b
Standard Operating Procedures for Macroinvertebrates Biological Assessment
Unit Division of Water Quality Environmental Sciences Section
North Carolina Department of Environmental and Natural Resources (NCDENR) 2007
Redbook Surface Water and Wetland Standards NC Administrative code 15A
NCACO2B 0100 0200 & 0300 NCDENR Division of Water Quality
Paller M H M J M Reichert and J M Dean 1996 Use of fish communities to assess
environmental impacts in South Carolina coastal plain streams Transactions of
the American Fisheries Society Volume 125 Issue 5 633 644
Plafkin J L Barbour M T Porter K D Gross S K and Hughes R M 1989 Rapid
Bioassessment Protocols for use in Streams and Rivers Benthic
Macroinvertebrates and Fish EPA440/4 89/001 United States Environmental
Protection Agency Office of Water Washington D C
Scott M C and Lenwood W Hall Jr 1997 Fish assemblages as indicators of
environmental degradat�on in Maryland coastal plain streams Transactions of
the American Fisheries Society Volume 126 Issue 3 349 360
Blounts Creek Habitat Assessment Beaufort County NC Page 25
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Appendix A
Photographs Characteristic of the Blounts Creek Fish and Benthos Sampling
Stations During 11 and 12 April 2011

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Figure A-1. UT2-Impact downstream view 11�April 2011.
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Figure A-2. Backpack shocking at the end of the 600 foot sampling area at UT2-
impact location 12 April 2011. The net shown in the photo was used to trap and
confine fish that were within the 600 foot sampling area.
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