19950263 Ver 1_COMPLETE FILE_19950310

State of North Carolina
Department of Environment,
Health and Natural Resources
Division of Environmental Management
James B. Hunt, Jr., Governor
Jonathan B. Howes, Secretary
A. Preston Howard, Jr., P.E., Director
A I'V
[4*4pA
1? EHNR
June 19, 1995
Dare County
DEM Project # 95263
APPROVAL of 401 Water Quality Certification
Mr. Jim Johnson
Refuge Manager
US Fish and Wildlife Service
Pea Island NWR
P. 0. Box 1969
Manteo, N. C. 27954
FILE 6bri
Dear Mr. Johnson:
You have our approval to place fill material in 0.02 acres of wetlands or waters for the purpose
of constructing a channel and temporary coffer dam at North Pond, Pea Island NWR, as you described
in your application dated 8 March 1995. After reviewing your application, we have decided that this
fill is covered by General Water Quality Certification Numbers 2733 and 2727. These certifications
allow you to use Nationwide Permit Numbers 18 and 33 when they are issued by the Corps of
Engineers.
This approval is only valid for the purpose-and design that you described in your application. If
you change your project, you must notify us and you may be required to send us a new application.
For this approval to be valid, you must follow the. conditions listed in the. attached certification. In
addition, you should get any other federal, state or local permits before you go ahead with your
project.
If you do not accept any of the conditions of this certification, you may ask for an adjudicator
hearing. You must act within 60 days of the date that you receive this letter. To ask for a hearing,
send a written petition which conforms to Chapter 150B of the North Carolina General Statutes to the
Office of Administrative Hearings, P.O. Box 27447, Raleigh, N.C. 27611-7447. This certification and
its conditions are final and binding unless you ask for a hearing.
This letter completes the review of the Division of Environmental Management under Section 401
of the Clean Water Act. If you have any questions, please telephone John Domey at 919-733-1786.
Sine
ston Howard, Jr
Attachment
cc: Wilmington District Corps of Engineers
Corps of Engineers Washington Field Office
Washington DEM Regional Office
Mr. John Domey
Central Files
95263.1tr
P.O. Box 29535, Raleigh, North Carolina 27626-0535 Telephone [phone] FAX [phone]
An Equal Opportunity Affirmative Action Employer 50% recycled/ 101. post-consumer paper
State of North Carolina
Department of Environment,
Health and Natural Resources
Division of Environmental Management
James B. Hunt, Jr., Governor
Jonathan B. Howes, Secretary
A. Preston Howard, Jr., P.E., Director
A4? t-*4
now&
C) FE F=1
March 13, 1995
Dare County
DEM Project # 95263
APPROVAL of 401 Water Quality Certification
Jim Johnson - Refuge Manager
U. S. Fish & Wildlife Service
Pea Island
P.O. Box 1969
Mantel, N.C. 27954
FILE COPS
Dear Mr. Johnson:
You have our approval to place fill material in 0.016 acres of wetlands or waters for the purpose
of reconstructing the North Pond pump station at the North Pond Dike approximately 0.75 miles west
of the Pea Island NWR Visitor Center, as you described in your application dated 8 March 1995. After
reviewing your application, we have decided that this fill is covered by General Water Quality
Certification Number 2733. This certification allows you to use Nationwide Permit Number 18 when it
is issued by the Corps of Engineers.
This approval is only valid for the. purpose- and design that you described in your application. If
you change your project, you must notify us and you may be required to send us a new, application.
For this approval to be valid, you must follow the conditions listed in the attached certification. In
addition, you should get any other federal, state or local permits before you go ahead with :your
project.
If you do not accept any of the conditions of this certification, you may ask for an adjudicatory
hearing. You must act within 30 days of the date that you receive this letter. To ask for a hearing,
send a written petition which conforms to Chapter 150B of the North Carolina General Statutes to the
Office of Administrative Hearings, P.O. Box 27447, Raleigh, N.C. 27611-7447. This certification and
its conditions are final and binding unless you ask for a hearing.
This letter completes the review of the Division of Environmental Management under Section 401
of the Clean Water Act. If you have any questions, please telephone John Domey at 919-733-1786.
S' cerely,
; vjjql
ston Ho ar Jr. P .
Attachment
cc: Wilmington District Corps of Engineers
Corps of Engineers Washington Field Office
Washington DEM Regional Office
Mr. John Dorney
Central Files 95263.1tr
P.O. Box 29535, Raleigh, North Carolina 27626-0535 Telephone [phone] FAX [phone]
An Equal opportunity Affirmative Action Employer 50% recycled/ 10% post-consumer paper
4 9
1
United States Department of the Interior
FISH AND WILDLIFE SERVICE
ALLIGATOR RIVER NATIONAL WILDLIFE REFUGE
P. O. BOX 1969
M.ANTEO, NC 27954
March 8, 1995
Mr. John Dorney
Division of Environmental Management
NC Dept. of Environment, Health, & Natural Resources
P. O. Box 29535
Raleigh, NC 27626-0535
Dear Mr. Dorney:

*4
9 0
0-9?99s
Age??9?sC?"tF
S
Enclosed is an application for a Nationwide Permit No. 18
for reconstructing the North Pond pump station. Part of this
reconstruction process involves excavating an access channel to
allow an adequate volume of water into the pumping basin.
Although excavation in wetlands dominated by black needlerush and
marsh elder cannot be avoided, I believe that we have minimized
impacts as much as possible with our preferred alternative.
Except for a temporary cofferdam in North Pond, there will be no
fill placed in wetlands. To further minimize impacts, we will
leave a plug between the new channel and the tidal creek until
suspended sediments have settled.
We discussed the application with the National Marine
Fisheries Service, the U. S. Fish & Wildlife Service - Raleigh
Field Office, and the State Historic Preservation Office by
telephone on March 8, 1995. Each of those offices requested that
we not send them a copy of the application as they would receive
copies through other channels. Consequently, I have enclosed
extra copies for your use or distribution.
I know that you have a busy schedule, but I would greatly
appreciate expeditious processing of this application. If there
is anything we can do to help, or if you have questions, please
call me or Dennis Stewart at [phone].
Sincerely,
Jim C. Johnson
Refuge Manager
-' -
ACTION ID: Gip
DEM ID:
Nationwide Permit Requested (Provide Nationwide Permit #): i o' J? 3 ?-
JOINT FORM FOR S,
Nationwide permits that require notification to the Corps of Engineers
Nationwide permits that require application for Section 401 certification
WILMINGTON DISTRICT ENGINEER WATER QUALITY PLANNING
CORPS OF ENGINEERS DIVISION OF ENVIRONMENTAL MANAGEMENT
OF ENVI SONMENT, HEALTH,
DEPARTMENT OF THE ARMY AND NATURAL RESOURCES
ry P.O. Box 1890
Wilmington, NC 28402-1890 11.0. Box 29535
ATTN: CESAW-CO-E Raleigh, NC 27626-0535
Telephone [phone] ATTN: MR. JOHN DORNEY
Telephone [phone]
ONE (1) COPY OF THIS COMPLETED APPLICATION SHOULD BE SENT TO THE CORPS OF ENGINEERS.
'SEVEN (7) COPIES SHOULD BE SENT TO THE N.C. DIVISION OF ENVIRONMENTAL MANAGEMENT.
PLEASE PRINT.
1. Owners Name: U.S. Fish & Wildlife Service - Pea Island NWR
2. Owners Address: P. 0. Box 1969, Manteo NC 27954
3. Owners Phone Number (Home): (Work): 919/473-1131
4. If Applicable: Agent's name or responsible corporate official, address, phone number:
Jim Johnson - Refuge Manager
P.O. Box 1969
Manteo, NC 27954 919/473-1131
5. Location of work (MUST ATTACH MAP). County:
Dare
Nearest Town or City: Rodanthe
Specific Location (Include road numbers, landmarks, etc.): North Pond Dike aooroxi matel y 0-79 mi
west of the Pea Island NWR Visitor Center
6. Name of Closest Stream/River: Tidal Creek off Pamlico Sound
7. River Basin: Pasauotank
8. Is this project located in a watershed classified as'('rout, SA, IIQW, ORW, WS [,or WS 11? YES [ ] NO ( ]
9. Have any Section 404 permits been previously requested for use on this property? YES [X] NO [ ]
If yes, explain. SAWCO-N-028-00025 ; DI:M 93-341
10. Estimated total number of acres of waters of (lie U.S., including wetlands, located on project site:
_ Apnrox 6,000 ac. of Barrier Island.-and 25,000 c, ?f_PsIinlico Sound under management _
authority for waterfo 1
11. Number of acres of waters of t9e U.S., including wetlands, impacted by the proposed project:
Filled: 0.004 (NWP 33 for temPQr^rv coffer dam ; n n?nrth -pllTlll , Fill will
Drained: 0 be removed.)
_
Flooded: 0
Excavated: 0.016 (NWP 18 for channel construction
Total 0.020
.? ., 1
12. Description of proposed work (Attach PLANS-8 1/2" X I1" drawings only): Replace a pump station
for North Pond that was destrgyed by fire in 1993 (,,See Artarherl Narrative)
13. Purpose of proposed work: To restore h?mni ng ranahi 1 i ti ac for managing-North Pend -
(See Attached Narrative).
14. State reasons why the applicant believes that this activity must be carried out in wetlands. Also, note measures
taken to minimize wetland impacts. Because of the type of project, wetlands cannot he avni Marl
minimize most impacts by construction in dike side slope and excavating a channel of
ni 1111U111 wi ee ace arrative
15. You are required to contact the U.S. Fish and Wildlife Service (USFWS) and/or National Marine Fisheries Service
(NMFS) regarding the presence or any Federally listed orproposed for listing endangered orthreatened species orcritical
habitat in the permit area that may be affected by the proposed project. Have you done so? YES [ X) NO [
RESPONSES FROM THE USFWS AND/OR NMFS SHOULD BE FORWARDED TO CORPS. (By ?opy of 5his
app ication
16. You are required to contact the State Historic Preservation Officer (SHPO) regarding the presence of historic
properties in the permit area which maybe affected by the proposed project? I lave you done so? YES[X] NO [ )
RESPONSE FROM THE SHPO SHOULD BE FORWARDED TO CORPS. (By copy of this applicatioi
17. Additional information required by DEM:
•A. Wetland delineation map showing all wetlands, streams, and lakes on the property.
B. If available, representative photograph of wetlands to be impacted by project.
C. If delineation was performed by a consultant, include all data sheets relevant to the placement of the
delineation line.
D. If a stormwater management plan is required for this project, attach copy.
E. What is land use of surrounding property? Conservat i.on
F. If applicable, what is proposed method of sewage disposal?

N/A

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:: 06/02/1995 08:47 9194731668 ALLIGATOR RIVER NWR PAGE 02

ACTION ID:
D13M U):? p, -
Natlonwidc Permit Requested (Provide Nailonwide Permit 0-
• JOINZr FORM I+ OR
Natiollwi?lc permits that icyuirc nuii[ica"01 to t1l"' Cots of TiaxOir>teers
Nutlonwidc perlitits tllut r Ctluire a pplicatioll for Secti0111401 certiCcati01111
WILMINO'ION DISTRICT ENt31NB13R DIVIS ON OR ENVIRONMENTAL MANAGEMENT
CORY'S OF 1 IC3IN>MR5 NC DRPARTMBN'T OF ENVIRONMENT. HUAl.`1'H.
DBPARTM>aNTOFTItE ARMY AND NATURAL RESOURCES
P.O. Box 1890 1! D. Box 29535
WilsatnSW0t NC 25402-1890 1twei?tl1, NC 27132641535
ATI'N: CHSAW-CO-E A1 '7('-?N. MR. OLIN DORNBY
Telephone [phone] 'rclepltate [phone]
ON13 (1) COPY OF THIS COMi'Ld3I E) APPLI ?ITINN C'SDIV[SION ?1EE TROTM F.CoRpg OF 'AL MANA MEW-
%sEVEN (7) COPIES SHOULD U13 SENT Tt7 I'
PLEASE PRINT.
V.S. . Owners Name: Fie], & W';..I.ct 1 t£e Service - N_!8 lslantl NWIt
1 .
?. Owners Address: P.U. 130x. t929 MuFlce HC 27954
(?ark); 912/433_1711
3. Owners ['hone Number (l lome):
4. if Applicable: Agcpl's 114n1a ur rtsplHl:iiU{e CUI't1W At0 ?ltlieiAl? e(I1,tr11S3. ??ul?e t:umber: ,.
JI.m jolInsolt - Refu a Plena er
P.O. Box 1969
Manteo, NC 27954 919/473-1131
5. Locations of work (MUS'T' AivACIi MAI')- f aunty: Dare
Nearest Town or City. ' 804811 t ltt~
Specific Location (include road numbers. landinarks, etc.):
weet of tite )?ea Island NWR Visitor Ceister
,6. Name ot'Cl OW Streaudltiver: 'Pitta l Creek f f ' IP
7. Ttiver 1303in: 1'a§9uQ.LU 1k ---- - •.-- NO ( 1
K, Is This project located lit u watnlelied classified :1`11'rosu,S •A, I 1QW, ORW. WS 1, or WS 117 Y11S I I NO I 1
9, lithe arty Section 4041wrtttits Wit previtntsly tequast .t fur use un this 1x0t1ertY? YES (XI
1f yes. explain. SAWC0-N-018-00025; Ui.P1 913-341
10. t?stimutcd total number of acres of watara of the U.S., including wellaWs, located on project sits: t?-
n ,-6.000 uc ot• 13US 101. 8 s-W .wLd--25.1 W--UL- .sif.. X11 '
du'ltiorty Iv woterftt I
i I. Numtb>?,CCf u aCfeB O Watd ttil Ilia tf.S., ittt:iuiling w4ll:uufs, it!lljuuted t?y 11tC lyruplasetl pro3et:t:
filled: 2.004 NWF 33 t- Fill will
0 be removed.)
Dt'alnCtl:
Flooded: 0 -
Excavated; -A-LOD16(NWP 18 for channel construction
Total U.020
96/02/1995 98:47 9194731668 ALLIGATOR RIVER NWR PAGE 03
12, Descript too of proposed work(Attaclt PLANS-9 112" X I d" drawings only): Re places um statics
---------
for North Pand that was de:stroved by fire 1993
13. Purpose of proposed work:
(See Attached Narrative).
14. State raasons why the oppdieant believes that this activity atust he carried out in wetlands. Also, note tnatsures
taken to minitnize wetland impacts. Because o.f c
miniiniye most impacts bx construction in dike side slope and excavating a channel of
-1mull'ut a ace of a lv
11 You are t-equtrccl to contact Ilxt U.S. P i and ldli[a Service (USf~ W S) andlor National Merle Fisheries Service
(NMt'rS)regarding diepresence oranyFederally listedorpv)po dforJIrAingeiWangewdorlltmumedgc1es Nrril?j
habitat in the pennit on that may be affected, by the pmposcd projwx. Havo you clone so? YES [ X}
ROPONSPS FROM THU USt:WS ANDOR NMFS SHOULD 1113 FORWARDLD TO CORPS. (app??cetlcfin?his
1 G. , You ore required to contact the State llisloric PraserYBdOri Ofike~r (SHPO) regarding the press:rtce of historic
ptoper& 3 in the permit area which tray be affected by the proposal pmject? I lave you dosm so? YES (X } NO[ l
118SPONSE. FROM THE SHPO SHOULD BB FORWARDED TO CORPS. (BY copy of this applicstJ
17. Additional information required by Dl' .,M'
•A. Wetland delineation map showing all wetlands, streams, and lakes on the property.
B. If available. representative photograph of wetlands to be isnpected by project.
C. If delineation was performed by a consultant, Incltula all dais sheets relevant tai The plate tmettt of the
delineation line.
D. If a stormwater management plan is raluire d for this projaci. at" copy.
11. What is land use of surrounding property? C-,onsel vttt l on
F. if applicable, what is proposccl rrscthod of sewage disposal?
t t:kVVLV If " -
• t
wnt:r's Sign ore DOW

0610211995 08:47 9194731668 ALLIGATOR RIVER NWR PAGE 04

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06/02/1995 08:47 9194731668 ALLIGATOR RIVER NWR PAGE 06
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Attn:
Date: No. Pages:..,
(excluding cover shoot)
- . rA5N,lcs
Additional Infarination
im.
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fantea, NC 279$4 Marisa, NC 27954
?fc # [phone] FAX # [phone]
i ._._.__! ,i6....,.,,, -
DEM ID: a ACTION ID:?..
Nationwide Permit Requested (Provide Nationwide Permit #):
JOINT FORM FOR
Nationwide permits that require notification to the Corps of Engineers
Nationwide permits that require application for Section 401 certification
WILMINGTON DISTRICT ENGINEER WATER QUALITY PLANNING
CORPS OF ENGINEERS DIVISION OF ENVIRONMENT MANAGEMENT
DEPARTMENT OF THE ARMY NC DEPARTMENT OF ENVIROr HE ML's i, -
P.O. Box 1890 AND NATURAL RESOURCES
Wilmington, NC 28402-1890 P.O. Box 29535 6 1; a
AM: CESAW CO-E Raleigh, NC 27626-0535 r A, j
Telephone [phone] ATTN: MR. JOHN DORNEY
Telephone [phone] - ONE (1) COPY OF THIS COMPLETED APPLICATION SHOULD BE SENT T . Ct?RPS OF-ENGINEER
SEVEN (7) COPIES SHOULD BE SENT TO THE N.C. DIVISION OF ENVIRONMENTAL MXNAGEMEI`
'K
PLEASE PRINT.
1. Owners Name: U.S. Fish & Wildlife Service - Pea Island NWR
2. Owners Address: P.O. Box 1969, Manteo NC 27954
3. Owners Phone Number (Home): (Work): 919/473-1131
4. If Applicable: Agent's name or responsible corporate official, address, phone number:
Jim Johnson - Refuge Manager
P.O. Box 1969
Manteo, NC 27954 919/473-1131
5. Location of work (MUST ATTACH MAP). County: Dare
Nearest Town or City: Rodanthe
Specific Location (Include road numbers, landmarks, etc.): North Pond Dike approxi marel y Q-75 m;
west of the Pea Island NWR Visitor Center
6. Name of Closest Strearn/River: Tidal Creek off Pamlico Sound
7. River Basin: Pasauo ank
8. Is this project located in a watershed classified as Trout, SA, IIQW, ORW, WS 1, or WS II? YES [ ] NO [ ]
9. Have any Section 404 permits been previously requested for use on this property? YES [x] NO [ ]
If yes, explain. SAWCO-N-028-00025 ; DEM 93-341
10. Estimated total number of acres of waters of the U.S., including wetlands, located on project site:
_ Approx 6,000 ac of Barrier Island and 25.000 ac. of Pamlico Sound cinder manngament-
author'ty fo waterf0 1
11. Number of acres of waters of i9e U.S., including wetlands, impacted by the proposed project:
Filled: _0
Drained: 0
Flooded: 0
Excavated: 0.016
'?'o ? ?j. ?1 b
.7 ..gyp..,. ? 0 '- 1
12. Description of proposed work (Attach PLANS-8 1/2" X 11" drawings only): Replace a pump station
for North Pond that was destroyed by fir in 1993 (4PP AttarhPri ntnrrn+-j..o)
13. Purpose of proposed work: To restore pumping cnpahi 1; t; P-, for managingNert;h 12erid -
(See Attached Narrative).
14. State reasons why the applicant believes that this activity must be carried out in wetlands. Also, note measures
taken to minimize wetland impacts. Because of the tune of groiect,_wetlands rannnr he avn; rled.;
minimize most impacts by construction in dike side slope and excavating a channel of
minimum wiatn knee ettacnea narrative
15. You are required to contact the U.S. Fish and ildlife Service (USFWS) and/or National Marine Fisheries Service
(NMFS) regarding the presence or any Federally listed or proposed for listing endangered or threatened species or critical
habitat in the permit area that may be affected by the proposed project. Have you done so? YES [ X] NO[ ]
RESPONSES FROM THE USFWS AND/OR NMFS SHOULD BE FORWARDED TO CORPS. (By ?opy of 5his
.app ication
16. j You are required to contact the State Historic Preservation Officer (SHPO) regarding the presence of historic
]
properties in the permit area which maybe affected by the proposed project? Have you done so? YES[X] NO[
RESPONSE FROM THE SHPO SHOULD BE FORWARDED TO CORPS. (By copy of this application)
17. Additional information required by DEM:
`A. Wetland delineation map showing all wetlands, streams, and lakes on the property.
B. If available, representative photograph of wetlands to be impacted by project.
C. If delineation was performed by a consultant, include all data sheets relevant to the placement of the
delineation line.
D. If a stormwater management plan is required for this project, attach copy.
E. What is land use of surrounding property? Conservation
F. If applicable, what is proposed method of sewage disposal? N/A
let't
w?,? 50''?No
6
94 <
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LOCATION MAP
?EA IS
TTAN/S1KCT itlOU/TLE 2
LAKE
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`O Iz AcGE SS "?'o TH6 MOS6GT StT?. C4l.l.
HATTERAS RF-IkA" N?y(kLtAR-t?R.S l1J NIAUT?o AC
IS
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a APE HATTEPAE,
Q "'o, HATTERAS INLET
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/ IS .l`?
'&Rxr-OKE !?
INLET ` .'_..•
VI?INIT T MAP ?Q \ \
a
SCy f Y ? ,\
GOAT ISLA(+0 PT 1Sl AND '(''?, '\?
p (Z O? E GT GOAT ISL AND DA) ?. \
GOOSE l \
ISLAND NO
\ 1
GOOSE ISLAND PT- ?QT~ I 1
V-.0i R
THE TRENCH AO'V? ?ONOR
STATION
st!
l? N\ \ \
PEA ISLAUP PT 0
n \`
PEA ISLAND BAY
O TERRAPIN CREEK PT n??" L??0 \ \ f
oixiL A
7E.erAP/N CREEK
v , BAY ?? O
i 1 ? \ 11
DMLS PT'?? fI/I,1rTs6uIt; ?` \
Q'i ?`3=-11\ Io?,u `?
1
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Q B£ACHSLVE I NEW INLET
CHANNEL
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_1 i
RECONSTRUCTION OF NORTH POND PUMP STATION
Introduction
Pea Island, a coastal barrier island in Dare County,
consists of 7 basic habitat types. The most recent survey
revealed 456 acres of ocean beach; 518 acres of barrier dune; 630
acres of sand ridge, brush, and grassland; 3,024 acres of
irregularly flooded salt marsh; 328 acres of salt flat; and 3
brackish water impoundments totaling 940 acres. Beach and dune
acreages change from year to year. In addition, the refuge has
approximately 25,000 acres in Pamlico Sound under management
authority for waterfowl by Presidential Proclamation. Prior to
becoming a refuge in 1938, most of the land was owned by a family
that used it as private hunting lands.
The three brackish water impoundments were constructed in
the mid 1960's for the purpose of optimizing habitat for
waterfowl, wading birds, and shorebirds. These impoundments,
with approximate acreages in parentheses are: North Pond (397),
New Field (320), and South Pond (223). The three impoundments
were originally designed for water management by tidal input
through concrete box culverts and flapgates. Refuge staff soon
realized that the most efficient management for optimum
production required pumping capabilities and pump stations were
constructed for all three impounded sites. Maintenance of proper
water depth and salinity during the growing season is critical to
submerged aquatic and emergent plant productivity. In December,
1993 the North Pond pump house completely burned, destroying the
diesel power unit and bulkheading. The belt driven pump head was
not damaged.
The pump station was not rebuilt in 1994 because of budget
constraints. Countless hours were spent by refuge staff and
volunteers manning flashboard risers in an attempt to maintain
appropriate water and salinity levels during the 1994 growing
season. We were successful in raising water levels during high
tide but only with a southwest wind of greater than 20 mph over a
period of a least 3 days. This combination of conditions
occurred only twice during the 1994 growing season. Efforts were
marginally successful as is evident by a decrease in productivity
from 87% submerged aquatic cover in 1993 to 57% cover in 1994.
The primary reason for this significant decline in productivity
was the inability to maintain adequate water levels relying
exclusively on wind tides. The decline in primary productivity
has led to a substantial reduction in numbers of waterfowl,
shorebirds, and wading birds using North Pond thus far in 1994.
Alternatives Considered
Through a special budget appropriation, the refuge now has
limited funds to rebuild the North Pond Pump Station. Basic
project components include pulling the existing 30" diameter pump
head and reconditioning it, building a new pump house and
installing a reconditioned diesel power unit, and building
protective wooden bulkheads in North Pond and on the sound side.
Project Description: Project components that are the same
for each alternative considered are:
1. Remove the existing 30" diameter pump head and have it
reconditioned and repainted
2. Excavate a trench through the North Pond dike
approximately 10' wide (top width) by 110' long by 10'
deep to install a new 30" steel pipe (0.5" thick).
3. Construct 60' (30' on each side of pipe) of salt treated
wood bulkheading using 10" diameter pilings sunk at
least 20' below grade and 6' above grade with a "cradle"
in the center to support the 30" diameter pipe.
Bulkheading would be constructed at a 300 from
perpendicular with the pump head to create a basin.
This bulkheading would be constructed on the west side
within the side slope of the existing dike and would not
result in backfill being placed into coastal marsh.
4. On the east side of the dike (outlet into North Pond),
30' (15' on each side of pipe) of salt treated wood
bulkheading would be constructed with 6" pilings sunk a
minimum of 10' deep with a 3' above grade elevation.
The bulkhead would be constructed 15 from perpendicular
to the pipe and would have a pipe cradle in the center.
A wooden walkway 30" wide would be constructed to the
end of the pipe. For personnel safety, this walkway
would have rails and would be approximately 10' long.
5. Construct a new wood frame pump house 12' X 18' with
aluminum siding and shingle roof set on 8" diameter wood
pilings with a lockable access door.
In planning for this project, three alternatives were
considered. They are: (1) Reconstruction on original location,
(2) Reconstruction approximately 60 feet north of the 30"
flashboard riser pipe, and (3) Reconstruction approximately 60
feet south of the original location. A separation of 60 feet
from existing structures is necessary because of the sandy soils
used to construct dikes.
Alternative 1--Reconstruction on original location:
Although this may be viewed initially as the most practical
alternative, the concrete box culvert greatly complicates
reconstruction on this location. The culvert was poured when the
dike was first constructed and was neither properly reinforced,
nor was it protected from erosion and undercutting. Since the
concrete was poured using the ground as forms, lack of
reinforcing and protection from undercutting has resulted in
significant fracturing. In order to construct on the original
site, cofferdams would be required in the tidal creek and North
Pond, dike overburden would have to be excavated, the culvert
would have to be broken up, removed, and hauled to an appropriate
disposal site. The 30" steel pipe, installed in the culvert for
pumping purposes, would have to be removed and disposed of
properly. Once site preparation is complete, construction would
proceed the same as 5or the other two locations considered.
Approximately 400 ft of tidal creek would need to be excavated
to crea#ie a basin for the re-installed pump head. Approximately
400 yds of man-made dike would be excavated. Constructing and
removing cofferdams in the creek and North Pond would require
250-300 yd of temporary fill and would result in elevated
turbidity during construction and removal.
This alternative would involve renting equipment that the
refuge does not have and the additional work elevates estimated
total project cost by $20,000 to $30,000. The increase in cost
greatly exceeds the amount available for this project.
Alternative 2--Reconstruction on a North Alignment: This
alternative would be constructed as described but would not
involve removing the concrete culvert and 30" pipe. The pump
head would be removed and the old culvert pipe would be welded
shut. An alignment 60' north of the existing flashboard riser
pipe was selected because of the need to maintaina safe distance
when excavating the trench for the new 30" pipe. This
alternative is the same as described except that it would involve
excavating a new access channel from the tidal creek to the pump
head. Dimensions of the new channel are approximately 15' wide X
70' long (longest side) X 4' deep. This ch nnel would result in
conversion of approximately 885 ft2 (156 yd ) of irregularly
flooded marsh dominated by black needlerush (Juncus roemerianus)
and marsh elder (Iva frutescens) to tidal creek. The new channel
reflects an alignment that would grade into the existing channel
to minimize bank erosion thereby decreasing the possibility of
converting additional marsh to tidal creek.
Alternative 3--Reconstruction on a South Alignment: This
alternative would be constructed as described but would not
involve removing the concrete culvert and 30" pipe. The pump
head would be removed and the old culvert pipe would be welded
shut. Several alignments were examined but were not feasible due
to the need to construct the 30' wing-wall on each side of the
pump head. An alignment 60' south of the existing concrete
culvert was selected because of the need to maintain a safe
distance when excavating the trench for the new 30" pipe and the
avoid having to extend a wing-wall into the creek. This
alternative is the same as described except that it would involve
excavating a new access channel from the tidal creek to the pump
head. Dimensions for this channel are approximately 15' wide X
44' long (longest side) X 4' deep.2 This channel would result in
conversion of approximately 702 ft (117 yd ) of irregularly
flooded marsh dominated by black needlerush (Juncos roemerianus)
and marsh elder (Iva frutescens) to tidal creek. The new channel
reflects an alignment that would grade into the existing channel
to minimize bank erosion thereby decreasing the possibility of
converting additional marsh to tidal creek.
Preferred Alternative: Because of the additional cost
associated with Alternative 1, the project cannot be completed
within the amount of funding available. Alternative l would be
considered a "No Project" option and was deleted from further
consideration due to cost and because it is believed that overall
short- and long-term impacts would be greater. Although
reconstruction of the pump station would be easier with
Alternative 2, a larger area of coastal marsh would be converted
to tidal creek. Therefore, Alternative 3 is the preferred
alternative. It is believed that the benefits to fish and
wildlife accruing.from effic?nt management of North Pond offset
impacts of converting 702 ft of coastal marsh to the same area
of tidal creek.

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State of North Carolina
Department of Environment,
Health and Natural Resources
Division of Coastal Management
James B. Hunt, Jr., Governor
Jonathan B. Howes, Secretary
Roger N. Schecter, Director
Jim Johnson, Refuge Manager
US Fish & Wildlife Service
Pea Island NWR
P. 0. Box 1969
Manteo, North Carolina 27954
Dear Mr. Johnson:
4Iq RF????Fo
FM'?Ro `9 JQ199
N?Nrg4sc/F s
NcFS
The NC Division of Coastal Management has reviewed your application for a Nationwide
Permit #18 (DEM ID # 95263) under the US Army Corps of Engineers to replace the pump
station and pipe on the North Pond, Pea Island NWR pursuant to Section 307 of the Coastal
Zone Management Act of 1972 as amended. Based upon our review, we have determined that
Alternative 3 is consistent with the North Carolina Coastal Management Program provided the
following conditions are met:
1) The activity described in your application qualifies to receieve one of the
Nationwide Permits described in 33 CFR Part 330 with the exception of Numbers
17, 21, 24, and 34 which were found inconsistent with the North Carolina Coastal
Management Program.
2) A 401 Water Quality Certification is received, where required, from the North
Carolina Division of Environmental Management.
3) Mitigation shall be conducted for the coastal wetlands impacted for the project.
Coastal wetlands shall be created on a 2:1 (creation:loss) ratio on a nearby site.
Specific mitigation plans shall be coordinated and approved by the NC Division
of Coastal Management.
This letter does not relieve you of the responsibility to insure that all other State authorization
and/or permit requirements are met prior to implementation of the project. Please feel free to
contact me at [phone] if you have questions or need further assistance.
cerely,
David R. Griffin
District Manager
cc: P. Pate, S. Benton, USACOE, 1-13orney4, file
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March 2
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