WQ0035060_Final Permit_20110127

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CDEN
North Carolina Department of Environment and Natural Resources
Beverly Eaves Perdue
Governor
RiCFIARD WILms — VICE PRESIDENT
OUTER BANKS VENTURES, INC.
215 BROOKE AVENUE, UNIT 1001
NORFOLK, VIRGINIA 23510
Dear Mr. Willis:
Division of Water Quality
Coleen H. Sullins
Directc-
January 27, 2011
Dee Freernai
Secretar°
Subject: Permit No. WQ0035060
Outer Banks Ventures WWTP 41
High -Rate Infiltration System
Currituck County
In accordance with your permit application request received November 2, 2010, and subsequent
additional information received November 30, 2010 and December 21, 2010, we are forwarding herewith
Permit No. WQ0035060 dated January 27, 2011, to Outer Banks Ventures, Inc. for the conditional
approval of the subject wastewater treatment and high -rate infiltration facilities. Please note that a
conditional approval indicates that the Division has reviewed and approved the permit application;
however, permission to begin construction and operation activities is conditional upon a future permit
modification in accordance with Condition 1.1. and its subparagraphs.
This permit shall be effective from the date of issuance until December 31, 2016, and shall be
subject to the conditions and limitations as specified therein. Please pay particular attention to the
monitoring requirements listed in Attachments A, B and C. Failure to establish an adequate system for
collecting and maintaining the required operational information shall result in future compliance
problems.
Please note the following conditions are specific to your permit and require your attention:
Condition 1.1. — This condition requires the Permittee to submit a permit modification request
prior to constructing the wastewater treatment plant. Items to be addressed include: a
geotechnical investigation to determine whether or not the proposed pilings at both
infiltration sites will extend past the surficial aquifer into the confining aquifer; structural
design calculations for the proposed wastewater treatment plant support structure; detailed
plans of the wastewater treatment plant support structure; and detailed plans and
specifications of the bypass actuator for the groundwater lowering effluent irrigation pond.
➢ Condition I.2. — This condition requires the Permittee to have a licensed geologist or soil
scientist investigate the high -rate infiltration basins post excavation and backfilling to
determine if the proposed disposal sites are still capable of accepting the permitted loading
rate of 10 gallons per day per square foot (GPD/ft) of effluent.
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Mr, Richard Willis
January 27, 2011
Page 2 of 2
➢ Condition I.3, — This condition requires the Permittee to permanently abandon the wells
located on the green area parcels prior to disposal of wastewater on the green area.
➢ Condition IA, — This condition requires the Permittee to provide Property Ownership
Documentation for the southern Infiltration Basin 92 prior to its construction.
Condition IV.11. — This condition requires the Permittee to submit an annual report
demonstrating the status of the available green space based upon the number of residential
and commercial users as stipulated in Condition II.12.
Please note that the Division has not yet approved the use of support pilings within the two
high -rate infiltration basins for the proposed wastewater treatment plant and parking garage.
Permit Condition 1111.a.xv. requires a 15 foot setback between the high -rate infiltration disposal
system and any building foundation or basement. The Division considers structural pilings to be
foundations, thus the 15 foot setback is applicable. However, the Division reserves the final
interpretation of this setback until the Permittee submits the geotechnical investigation report and
structural engineering design for the two structures required in Condition I.La. If the geotechnical
investigation report demonstrates that the proposed pilings for the wastewater treatment plant
support structure and parking garage wilt not extend through the sunccial aquifer, thus potentially
connecting it with the underlying confining aquifer, and the structural engineering design
demonstrates that the two structures can adequately be supported by pilings inside the basins while
treated effluent is applied within said basins, the Division can waive this setback in accordance with
the requirements in 15A NCAC 02T .0105(n) regarding Alternative Design Criteria. If the
demonstrations cannot be made in the geotechnical investigation report and structural engineering
design, the Division will require a modified design for the treatment and disposal systems to comply
with this setback as required in 15A NCAC 02T .0706(a).
If any parts, requirements or limitations contained in this permit are unacceptable, the Permittee
has the right to request an adjudicatory hearing upon written request within 30 days following receipt of
this permit. This request shall be in the form of a written petition, conforming to Chapter 150B of the
North Carolina General Statutes, and filed with the Office of Administrative Hearings at 6714 Mail
Service Center, Raleigh, NC 27699-6714. Unless such demands are made, this permit shall be final and
binding.
One set of approved plans and specifications is being forwarded to you. If you need additional
information concerning this matter, please contact Nathaniel Thornburg at [phone] or
n atl7 ani ei.thornbux,la:,-D cdenr. goti- ,
Sincerely,
Col n H. Sullins
cc: Currituck County Health Department
Washington Regional Office, Aquifer Protection Section
Robert G. Burgin, Jr., PE — Burgin Engineering, Inc.
Technical Assistance and Certification Unit
Permit File WQ0035060
Notebook File WQ0035060

NORTH CAROLINA
ENVIRONMENTAL MANAGEMENT COMMISSION
DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES
RALEIGH
HIGH -RATE INFILTRATION SYSTEM PERMIT
In accordance with the provisions of Article 21- of Chapter 143, General Statutes of North Carolina as
amended, and other applicable Laws, Rules and Regulations
PERMISSION IS HEREBY GRANTED TO
Outer Banks Ventures, Inc.
Currituck County
FOR THE
conditional approval of a 600,000 gallon per day (GPD) wastewater treatment and high -rate infiltration
facility consisting of:
a wastewater treatment system consisting of: an 11,422 gallon influent pump station with an influent flow
meter, two 1,750 gallon per minute (GPM) centrifugal pumps and two 380 GPM centrifugal jockey
pumps transferring flow to; two rotary drum screens with 2 millimeter (mm) spacings; a vortex screen grit
separator/classifier; an influent flow splitter box capable of diverting flow to the flow equalization basin,
the 5-day upset tank and anaerobic tanks AN- 101 and AN-201; a 2,221 gallon drain pump station with
two 120 GPM centrifugal pumps transferring flow to; a 245,000 gallon aerated flow equalization tank
served by three 168 cubic feet per minute (CFM) positive displacement blowers and with two 320 GPM
centrifugal pumps reintroducing flow to the aforementioned rotary drum screens; two 7,023 gallon
anaerobic tanks (AN-101 and AN-201) with two 2.3 horsepower (hp) mixers; two 14,000 gallon anoxic
tanks (AX-102 and AX-202) with two 2.3 hp mixers and two 180 GPM centrifugal recycle pumps
recirculating to tanks AN- 101 and AN-201, respectively; two 25,900 gallon aeration tanks (AE-103 and
AE-203) served by three 313 CFM positive displacement blowers and one 170 positive displacement
jockey blower, and with two 722 GPM centrifugal recycle pumps and two 139 GPM centrifugal jockey
recycle pumps recirculating flow to tanks AX-102 and AX-202, respectively; two 25 gallon methanol
(MeOH) drums with three 0.003 GPM chemical metering pumps feeding; two 25,900 gallon secondary
anoxic tanks (AX-105 and AX-205) with two 2.3 hp mixers; two 25 gallon alum drums with two 0.008
GPM chemical metering pumps feeding the aforementioned influent flow splitter box and aeration tanks
AE-103 and AE-203, as well as the; membrane flow splitter box with two flow meters and capable of
diverting flow to; five 11,459 gallon membrane tanks (MT-105, MT-205, MT-305, MT-405 and MT-505)
with a total of 25 membrane modules that are served by six 275 CFM positive displacement membrane
scour blowers; two 25 gallon sodium hypoehlorite (NaOCi) drums with one 0.008 chemical metering
pump, and one 850 gallon clean in place (CIP) feed tank with three I10 gallon CIP dosing tanks and one
12 GPM concentrate chemical feed pump, all serving the aforementioned five membrane tanks (MT-105,
MT-205, MT-305, MT-405 and MT-505); five 361 GPM centrifugal recycled activated sludge (RAS)
pumps and. one 174 GPM centrifugal RAS jockey pump with six flow meters transferring RAS to; a RAS
flow splitter box capable of diverting flow to aeration tanks AE-103 and AE-203; an aerated waste
activated sludge (WAS) holding system consisting of 57,400 gallon, 27, 230 gallon and 50,540 gallon
Im
sludge holding tanks served by three 323 CFM positive displacement blowers;
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six 104 GPM centrifugal permeate pumps with six effluent flow meters and six turbidimeters; an
ultraviolet (UV) disinfection system consisting of two banks with a total of 40 lamps; an effluent
composite sampler; a 300 kilowatt (kW) automatically activated standby generator; and a 3,000,000
gallon steel 5-day upset tank with two 120 GPM centrifugal pumps reintroducing flow to the
aforementioned rotary drum screens: approximately 4,100 linear feet of 4-inch force main from the
wastewater treatment plant to the southern Infiltration Basin #2; a
high -rate infiltration system consisting of: a 0.99 acre Infiltration Basin #1 located on parcel PIN: 9936-
47-1592 with a loading rate of 10 gallons per day per square foot (GPD/ft'-); and a 0.39 acre Infiltration
Basin #2 located on parcel PIN: 9936-33-7990 with a loading rate of 10 GPD/ft'; and a
groundwater lowering system consisting of: approximately 1,500 linear feet of 8-inch slotted groundwater
lowering drain around Infiltration Basin #1; approximately 1,000 linear feet of 8-inch slotted groundwater
lowering drain surrounding Infiltration Basin #2; a groundwater lowering pump station . serving
Infiltration Basin #1 with two 360 GPM turbine pumps and approximately 50 linear feet of 6-inch force
main tying into an existing 6-inch force main; a groundwater lowering pump station serving Infiltration
Basin #2 with two 360 GPM turbine pumps and approximately 1,040 linear feet of 6-inch force main
tying into the aforementioned existing 6-inch force main that shall transport the groundwater lowering
effluent from both infiltration sites to a groundwater lowering irrigation pond located on parcel PIN:
9937-30-9493;
to serve Outer Banks Ventures WWTP #1, with no discharge of wastes to surface waters, pursuant to the
application received November 2, 2010, and subsequent additional information received by the Division
of Water Quality, and in conformity with the project plans, specifications, and other supporting data
subsequently filed and approved by the Department of Environment and Natural Resources and
considered a part of this permit.
This permit shall be effective from the date of issuance until December 31, 2016, and shall be subject to
the following specified conditions and limitations:
1. SCHEDULES.
1. Prior to construction of the wastewater treatment plant, the Permittee shall submit a permit
modification request to address the following items:
a. The Permittee shall provide a geotechnical investigation demonstrating that the proposed pilings
for the wastewater treatment plant support structure above Infiltration Basin #1 and the proposed
pilings for the parking garage above Infiltration Basin #2 will not extend through the surficial
aquifer, thus potentially connecting it with the underlying confining aquifer.
b. Provide engineering calculations demonstrating that the proposed wastewater treatment plant
support structure is adequately designed to bear the weight of the effluent, as well as wastewater
treatment plant and its associated appurtenances. These calculations shall be signed, sealed and
dated by a licensed North Carolina Professional Engineer.
c. Provide structural drawings for the wastewater treatment plant support structure that have been
signed, sealed and dated by a licensed North Carolina Professional Engineer.
d. Provide detailed plans and specifications of a level actuated bypass system that will allow the
groundwater lowering force main to bypass the groundwater lowering effluent irrigation pond and
be directly pumped into the suction side of the groundwater lowering irrigation system.
Three copies of this permit modification request shall be sent to the Division of Water Quality,
Aquifer Protection Section, 1636 Mail Service Center, Raleigh, NC 27699-1636.
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2. Upon completion of excavation and back -filling, the high -rate infiltration basins shall be inspected by
a licensed geologist or soil scientist to verify that the geologic material present will be capable of
receiving the wastewater at the permitted loading rates. Backfill is placed into the basin excavations
shall be verified that it has sufficient hydraulic properties so that the basins operate at the permitted
loading rate. The results of this inspection and the required verification shall be signed, sealed and
submitted to the Aquifer Protection Section, Land Application Unit, 1636 Mail 'Service Center,
Raleigh, NC 27699-1636. The requested information must be received and acknowledged in writing
by the Aquifer Protection Section prior to the operation of the subject facility.
3. Prior to use of the proposed green area for wastewater disposal, all existing wells on the three tracts
(PINS: 9936-59-2294, 9937-50-0150 and 9937-40-0672) shall be permanently abandoned. Within 30
days of abandonment, a Well Abandonment Record (Form GW-30) listing this permit number and the
appropriate well identification number shall be completed for each well abandoned and mailed to:
Division of Water Quality
Aquifer Protection Section
1636 Mail Service Center
Raleigh, North Carolina 27699-1636
Division of Water Quality
Aquifer Protection Section
943 Washdngton Square Mall
Washington, North Carolina 27889
A North Carolina Certified Well Contractor shall abandon the wells according to the North Carolina
Well Construction Standards (15A NCAC 02C .0113) and local county rules.
4. Prior to construction of Infiltration Basin #2, the Permittee shall submit documentation demonstrating
Property Ownership Documentation in accordance with 15A NCAC 02T .0704(f) for the subject
parcel (PIN: 9936-33-7990) currently owned by Food Lion, LLC and under a sale contract with the
Permittee dated August 3, 2010.
In accordance with 15A NCAC 02T .0116, upon completion of construction and prior to operation of
this permitted facility, a certification (attached) shall be submitted from a licensed North Carolita
Professional Engineer certifying that the permitted facility has been installed in accordance with this
permit, Division approved plans and specifications, and other supporting documentation, including
the location of all monitoring wells as applicable. If this project is to be completed in phases and
partially certified, the Pernm.ittee shall retain the responsibility to track further construction gpproved
under the same_ permit, and shall provide a final certificate of completion once the entire project has
been completed, Mail the Certification to the Division of Water Quality, Aquifer Protection Section,
1636 Mail Service Center, Raleigh, NC 27699-1636.
6. The Washington Regional Office, telephone number [phone], shall be notified at least 48
hours in advance (excluding weekends and holidays) of operation of the installed facilities such that
an in -place inspection can be made. Notification to the Aquifer Protection Section's regional
supervisor shall be made from 8:00 a.m. until 5:00 p.m. on Monday through Friday, excluding State
Holidays.
7. The Washington Regional Office, telephone number [phone], shall approve monitoring wells
MW-1, MW-2, MW-3, MW-4, MW-5 and MW-6 prior to installation, and the monitoring wells shall
be installed prior to beginning waste disposal operations. The regional office shall be notified at least
48 hours prior to the construction of any monitoring well, and such notification to the Aquifer
Protection Section's regional supervisor shall be made from 8:00 a.m. until 5:00 p.m. on Monday
through Friday, excluding State Holidays. The monitoring wells shall be constructed such that the
water level in the well is never above or below the screened (open) portion of the well at any time
during the year, and in accordance with 15A NCAC 02C .0108. The general location and name for
each monitoring well is marked on Figures SM-1 and SM-2.
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8. Within 60 days of completion of the monitoring wells, the Permittee shall submit two original copies
of a site map with a scale no greater than 1-inch equals 100 feet; however, special provisions may be
granted upon prior approval for large properties. At a minimum, the map shall include the following
information:
a. The location and identity of each monitoring well.
b. The location of major components of the waste disposal system.
c. The location of property boundaries within 500 feet of the disposal areas.
d. The latitude and longitude of the established horizontal control monument.
e. The elevation of the top of the well casing (i.e., measuring point) relative to a common datum.
f. The depth of water below the measuring point at the time the measuring point is established.
g. The location of compliance and review boundaries.
h. The date the map is prepared and/or revised.
Control monuments shall be installed in such
monument will not be destroyed due to activities
supporting documentation shall be sent to:
Division of Water Quality
Aquifer Protection Section
1636 Mail Service Center
Raleigh, North Carolina 27699-1636
manner and made of such materials that the
taking place on the property. The map and any
Division of Water Quality
Aquifer Protection Section
943 Washington Square Mall
Washington, North Carolina 27889
9. Gauges to monitor waste levels in the 5-day upset tank, Infiltration Basins 1 and 2, and the
groundwater lowering effluent irrigation pond shall be installed prior to operation.
10. No later than six months prior to the expiration of this permit, the Permittee shall request renewal of
this permit on official Division forms. Upon receipt of the request, the Division will review the
adequacy of the facilities described therein, and if warranted, will renew the permit for such period of
time and under such conditions and limitations as it may deem appropriate. Please note Rule 15A
NCAC ' 02T .0105(d) requires an updated site map to be submitted with the permit renewal
application.
11. In accordance with 15A NCAC 02H .0404(e), if the subject wastewater treatment or disposal
facilities are in noncompliance with the terms and conditions of this permit, governing statutes or
regulations, the subject facilities shall be connected to an operational publicly owned wastewater
collection system within 180 days of its availability. Prior to the initiation of these connection
activities, appropriate Division approval shall be received.
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II. YE'kFORMA.NCE STANDARDS
The subject non -discharge facilities shall be effectively maintained and operated at all times so there
is no discharge to surface waters, nor any contravention of groundwater or surface water standards.
In the event the facilities fail to perform satisfactorily, including the creation of nuisance conditions
due to improper operation and maintenance, failure of the infiltration areas to adequately assimilate
the effluent, or failure of the groundwater lowering system and the associated groundwater lowering
irrigation pond (i.e., discharge to surface waters, flooding, etc.), the Permittee shall take immediate
corrective actions including Division required actions, such as the construction of additional or
replacement wastewater treatment or disposal facilities.
2. This permit shall not relieve the Permittee of their responsibility for damages to groundwater or
surface water resulting from the operation of this facility.
3. All wells constructed for purposes of groundwater monitoring shall be constructed in accordance with
15A NCAC 02C .0108 (Standards of Construction for Wells Other than Water Supply), and any other
jurisdictional laws and regulations pertaining to well construction.
4. Effluent limitations shall not exceed those specified in Attachment A.
5. Application rates, whether hydraulic, nutrient or other pollutant, shall not exceed those specified in
Attachment B.
The compliance boundary for the disposal system shall be specified in accordance with 15A NCAC
02L .0107(b). This disposal system was individually permitted on or after December 30, 1983;
therefore, the compliance boundary is established at either 250 feet from the effluent disposal area, or
50 feet within the property boundary, whichever is closest to the effluent disposal area. An
exceedance of groundwater standards at or beyond the compliance boundary is subject to remediation
action according to 15A NCAC 02L .0106(d)(2) as well as enforcement actions in accordance with
North Carolina General Statute 143-215.6A through 143-215.6C.
7. In accordance with 15A NCAC 02L .0108, the review boundary is established midway between the
compliance boundary and the effluent disposal area. Any exceedance of groundwater standards at the
review boundary shall require action in accordance with 15A NCAC 02L .0106.
8. The Permittee shall apply for a permit modification to establish a new compliance boundary prior to
any sale or transfer of property affecting a compliance boundary.
In accordance with 15A NCAC 02L .0107(d), no wells, excluding Division approved monitoring
wells, shall be constructed within the compliance boundary except as provided for in 15A NCAC 02L
.0107(g).
10. Except as provided for in 15A NCAC 02L .0107(g), the Permittee shall ensure any landowner who is
not the Permittee and owns land within the compliance boundary shall execute and file with the
Currituck County Register of Deeds an easement running with the land containing the following
items:
a. A notice of the permit and number or other description as allowed in 15A NCAC 02L .0107(0(1);
b. Prohibits construction and operation of water supply wells within the compliance boundary; and
c. Reserves the right of the Permittee or the State to enter the property within the compliance
boundary for purposes related to the permit.
The Director may terminate the easement when its purpose has been fulfilled or is no longer needed.
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11. The facilities permitted herein shall be constructed according to the following setbacks:
a. The setbacks for high -rate infiltration sites permitted after September 1, 2006 shall be as follows
(all distances in feet):
i.
Any habitable residence or place of public assembly under separate ownership:
1001
ii.
Any habitable residence or place of public assembly owned by the Permittee:
50 '
iii.
Any private or public water supply source:
100
iv.
Surface waters:
502
V.
Groundwater lowering ditches:
502
vi.
Surface water diversions:
50
vii.
Any well with exception of monitoring wells:
100
, ii.
Any property line:
50
ix.
Top of slope of embankments or cuts of two feet or more in vertical height:
100
X.
Any water line from a disposal system:
10
xi.
Subsurface groundwater lowering drainage systems:
50
xii.
Any swimming pool:
100
xiii.
Public right of way:
50
xiv.
Nitrification field:
20
xv.
Any building foundation or basement:
15
xvi.
Impounded public water supplies:
500
xvii.
Public shallow groundwater supply:
500
' Setbacks to habitable residences and places of public assembly under separated
ownership and owned by the Permittee have been reduced to 100 and 50 feet,
respectively, and setbacks to property lines have been reduced to 50 feet due to the
Permittee's compliance with the High -Rate Infiltration System Design Policy dated
October 27, 2006.
Setbacks to surface waters, groundwater lowering ditches and subsurface groundwater
lowering drainage systems have been reduced to 50 feet because the treatment units are
designed to meet a Total Nitrogen of 4 mg/L and a Total Phosphorus of 2 mg/L in
accordance with 15A NCAC 02T .0706(c).
b. The setbacks for storage and treatment units permitted after September 1, 2006 shall be as follows
(all distances in feet):
i. Any habitable residence or place of public assembly under separate ownership:
100
ii. Any private or public water supply source:
100
iii. Surface waters:
S0
iv. Any well with exception of monitoring wells:
100
V. Any property line:
50,
' Per a setback waiver recorded in the Currituck County Register of Deeds (Book 1146,
Page 518-519), setbacks to property lines have been reduced for the following:
PIN
Owner
Setback
9936-47-0985
Outer Banks Ventures, Inc.
0 feet
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12. k usable green area shall be maintained for effluent disposal. The green area shall have the capability
of accommodating the facility's average daily flow without exceeding the green area loading rates.
As defined in 15A NCAC 02H .0404(g)(7), a "green area" is an area suitable for waste disposal,
either in its natural state or which has been modified by planting a vegetative cover of grasses or low
growing shrubbery. Minimum required green space area shall be established as the lesser of 1,000
square feet (fl) of green area for each residential unit served or 2,500 ft' per thousand gallons per day
of waste flow. The number and type (residential or commercial) of active service connections shall
be continuously tracked and accounted for in facility records. Adequate green space area shall be
maintained. Any adjustments (i.e., removal or addition) of designated green space shall be Division
approved. An evaluation shall be conducted annually based on a calendar year to demonstrate
compliance with green space area requirements. A report summarizing the annual evaluation shall be
submitted in accordance with Condition IV.11.
111. OPERATION AND MAINTENANCE REQUIREMENTS
1. The facilities shall be properly maintained and operated at all times. The facilities shall be effectively
maintained and operated as a non -discharge system to prevent the discharge of any wastewater
resulting from the operation of this facility. The Permittee shall maintain an Operation and
Maintenance Plan pursuant to 15A NCAC 02T .0707, which at a minimum shall include operational
functions, maintenance schedules, safety measures and a spill response plan.
2. Upon the Water Pollution Control System Operators Certification Commission's (WPCSOCC)
classification of the subject non -discharge facilities, in accordance with 15A NCAC 08G .0200 the
Permittee shall designate and employ a certified operator in responsible charge (ORC) and one or
more certified operator(s) as back-up ORC(s). The ORC or their back-up shall visit the facilities in
accordance with 15A NCAC 08G .0200, and shall comply with all other conditions specified in the
previously cited rules.
3. Adequate measures shall be taken to prevent effluent ponding in or runoff from the infiltration sites
listed in Attachment B.
4. All infiltration equipment shall be tested and calibrated at least once per permit cycle. Calibration
records shall be maintained at the facility for a period of no less than five years, and shall be made
available to the Division upon request.
5. Only effluent from Outer Banks Ventures WWTP ##1 shall be infiltrated on the sites listed in
Attachment B.
6. An automatically activated standby power source capable of powering all essential treatment units
shall be on site and operational at all times. If a generator is employed as an alternate power supply,
it shall be tested weekly by interrupting the primary power source.
7. No automobiles or machinery shall be allowed on the infiltration sites except during equipment
installation or while maintenance is being performed.
8. Public access to the infiltration sites and wastewater treatment facilities shall be prohibited.
The residuals generated from the wastewater treatment facilities shall be disposed or utilized in
accordance with 15A NCAC 02T .1100. The Permittee shall maintain a residual management plan
pursuant to 15A NCAC 02T .0708.
10. Diversion or bypassing of untreated or partially treated wastewater from the treatment facilities is
prohibited.
11, Freeboard in the 5-day upset tank and Infiltration Basins 1 and 2 shall not be less than two feet at any
time.
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12. Gauges to monitor waste levels in the 5-day upset tank, Infiltration Basins 1 and 2, and the
groundwater lowering effluent irrigation pond shall be provided. These gauges shall have readily
visible permanent markings indicating the following elevations: maximum liquid level at the top of
the temporary liquid storage volume; minimum liquid level at the bottom of the temporary liquid
storage volume; and the lowest point on top of the tank/berm.
13. All effluent shall be routed to the five day upset tank should the limit for fecal coliform (e.g., daily
maximum concentration of 25 colonies per 100 ml) or turbidity (e.g., instantaneous maximum of 10
NTU) be exceeded, until the problems associated with the wastewater treatment plant have been
corrected. The wastewater in the five day upset tank shall be pumped back to the treatment plant
headworks for re -treatment or treated in the five day upset tank prior to infiltration,
14. The infiltration: basins shall be periodically dredged to remove deposited materials that may impede
the infiltration process. Dredging records shall be maintained at the facility for a period of no less
than five years, and shall be made available to the Division upon request. The Washington. Regional
Office's Aquifer Protection Section, telephone number [phone], shall be notified prior to
dredging.
IV. MONITORING AND REPORTING REQUIREMENTS
1. Any Division required monitoring (including groundwater, plant tissue, soil and surface water
analyses) necessary to ensure groundwater and surface water protection shall be established, and an
acceptable sampling reporting schedule shall be followed.
2. Per 15A NCAC 02H .0800, a Division certified laboratory shall conduct all laboratory analyses for
the required effluent, groundwater or surface water parameters.
3. Flow through the treatment facility shall be continuously monitored, and daily flow values shall be
reported on Form NDMR.
The Permittee shall install and maintain an appropriate flow measurement device to ensure the
accuracy and reliability of flow measurement consistent with accepted engineering and scientific
practices. Selected flow measurement devices shall be capable of measuring flows with a maximum
deviation of less than ten percent from true flow; accurately calibrated at a minimum of once per year;
and maintained to ensure the accuracy of measurements is consistent with the selected device's
accepted capability. The Permittee shall maintain records of flow measurement device calibration on
file for a period of at least five years. At a minimum, documentation shall include:
a. Date of flow measurement device calibration,
b. Name of person performing calibration, and
c. Percent from trice flow.
4. The Permittee shall monitor the effluent from the subject facilities at the frequencies and locations for
the parameters specified in Attachment A.
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S. -The Pertnittee shall maintain adequate records tracking the amount of effluent infiltrated. At a
minimum, these records shall include the following information for each infiltration site listed in
Attachment B:
a. Date of infiltration;
b. Volume of effluent infiltrated;
c. Site infiltrated;
d. Length of time site is infiltrated;
e. Continuous weekly, monthly, and year-to-date hydraulic (inches/acre) loadings;
f. Loading rates to each infiltration site listed in Attachment B;
g. Continuous monthly and year-to-date loadings for any non -hydraulic parameter specifically
limited in Attachment B; and
h. Weather conditions.
6. Freeboard (i.e., waste level to the lowest embankment elevation) in the 5-day upset tank, Infiltration
Basins I and 2, and the groundwater lowering effluent irrigation pond shall be recorded weekly.
Weekly freeboard records shall be maintained at the facility for a period of no less than five years,
and shall be made available to the Division upon request.
Three copies of all monitoring data (as specified in Conditions IV.3. and IV.4.) on Form NDMR for
each PPI and three copies of all operation and disposal records (as specified in Conditions N.5. and
IVA) on Form NDAR-1 for every site in Attachment B shall be submitted on or before the last day of
the following month. If no activities occurred during the monitoring month, monitoring reports are
still required documenting the absence of the activity. All information shall be submitted to the
following address:
Division of Water Quality
Information Processing Unit
1617 Mail Service Center
Raleigh, North Carolina 27699-1617
Pursuant to § 143-215.1 C., the Permittee shall provide to its users and the Division of Water Quality
an annual report summarizing the performance of the wastewater treatment and infiltration facility
and the extent to which the facility has violated this permit, or federal or State laws, regulations, or
rules related to the protection of water quality. This report shall be prepared on either a calendar or
fiscal year basis and shall be provided no later than 60 days after the end of the calendar or fiscal
year. Two copies of the annual report provided to the Permittee's users shall be submitted to:
Division of Water Quality
Aquifer Protection Section
1636 Mail Service Center
Raleigh, North Carolina 27699-1636
A record shall be maintained of all residuals removed from this facility. This record shall be
maintained at the facility for a period of no less than five years, and shall be made available to the
Division upon request. At a minimum., this record shall include:
a. Name of the residuals hauler;
b. Non -Discharge permit number authorizing the residuals disposal, or a letter from a municipality
agreeing to accept the residuals;
c. Date the residuals were hauled; and
d. Volume of residuals removed.
WQ0035060 Version 1.0 Shell Version 100804 Page 9 of 14

10, A maintenance log shall be maintained at this facility. This log shall be maintained at the facility for
a period of no less than five years, and shall be made available to the Division upon request, At a
minimum, this log shall include:
a. Date and results of power interruption testing on alternate power supply;
b. Date of calibration of flow measurement device;
c. Visual observations of the plant and plant site; and
d. Record of preventative maintenance (e.g., changing of equipment, adjustments, testing,
inspections and cleanings, etc.).
11. The Permittee shall submit an annual report, no later than March 31 st of each year, summarizing an
evaluation to demonstrate compliance with the green space area requirements of the previous calendar
year as listed in Condition II,12. This report shall be submitted to:
Division of Water Quality
Aquifer Protection Section
943 Washington Square Mall
Washington, North Carolina 27889
12. Monitoring wells shall be sampled after construction and within 3 months prior to initiating non -
discharge disposal operations. Monitoring wells shall be sampled thereafter at the frequencies and for
the parameters specified in Attachment C. All mapping, well construction forms, well abandonment
forms and monitoring data shall refer to the permit number and the well nomenclature as provided in
Attachment_C and Figures SM-1 and SM^2
13. For initial sampling of monitoring wells, the Permittee shall submit a Compliance Monitoring Form
(GW-59) and a Well Construction Record Form (GW-1) listing this permit number and the
appropriate monitoring well identification number. Initial Compliance Monitoring Forms (GW-59)
without copies of the Well Construction Record Forms (GW-1) are deemed incomplete, and may be
returned to the Permittee without being processed.
14. Two copies of the monitoring well sampling and analysis results shall be submitted on"a Compliance
Monitoring Form (GW-59), along with attached copies of laboratory analyses, on or before the last
working day of the month following the sampling month. The Compliance Monitoring Form (GW-
59) shall include this permit number, the appropriate well identification number, and one GW-59a
certification form shall be submitted with each set of sampling results. All information shall be
submitted to the following address:
Division of Water Quality
Information Processing Unit
1617 Mail Service Center
Raleigh, North Carolina 27699-1617
WQ0035060 Version 1.0 Shell Version 100804 Page 10 of 14

15. Noncompliance Notification:
The Permittee shall report by telephone to the Washington Regional Office, telephone number (252)
946-6491, as soon as possible, but in no case more than 24 hours, or on the next working day
following the occurrence or first knowledge of the occurrence of any of the following:
a. Any occurrence at the facility resulting in the treatment of significant amounts of wastes that is
abnormal in quantity or characteristic, including the known passage of a hazardous substance.
b. Any process unit failure (e.g., mechanical, electrical, etc.), due to known or unknown reasons,
rendering the facility incapable of adequate wastewater treatment.
c. Any facility failure resulting in a by-pass directly to receiving surface waters.
d. Any time self -monitoring indicates the facility has gone out of compliance with its permit
limitations.
e. Ponding in or runoff from the infiltration sites.
Any emergency requiring immediate reporting (e.g., discharges to surface waters, imminent failure of
a storage structure, etc.) outside normal business hours shall be reported to the Division's Emergency
Response personnel at telephone number [phone], [phone], or [phone].
Persons reporting such occurrences by telephone shall also file a written report in letter form within
five days following first knowledge of the occurrence. This report shall outline the actions taken or
proposed to be taken to ensure the problem does not recur.
V. INSPECTIONS
1, The Permittee shall provide adequate inspection and maintenance to ensure proper operation of the
wastewater treatment and high -rate infiltration facilities.
2. The Permittee or their designee shall inspect the wastewater treatment and high -rate infiltration
facilities to prevent malfunctions, facility deterioration and operator errors resulting in discharges,
which may cause the release of wastes to the environment, a threat to human health or a public
nuisance. The Perrnittea shall maintain an inspection log that includes, at a minimum, the date and
time of inspection, observations made, and any maintenance, repairs, or corrective actions taken. The
Permittee shall maintain this inspection log for a period of five years from the date of the inspection,
and this log shall be made available to the Division upon request.
3. Any duly authorized Division representative may, upon presentation of credentials, enter and inspect
any property, premises or place on or related to the wastewater treatment and high -rate infiltration
facilities permitted herein at any reasonable time for the purpose of determining compliance with this
permit; may inspect or copy any records required to be maintained under the terms and conditions of
this permit, and may collect groundwater, surface water or leachate samples.
WQ0035060 Version 1.0 Shell Version 100804 Page 11 of 14

VI. GENERAL CONDITIONS
1. Failure to comply with the conditions and limitations contained herein may subject the Permittee to
an enforcement action by the Division in accordance with North Carolina General Statutes 143-
215.6A to 143-215.6C.
2. This permit shall become voidable if the permitted facilities are not constructed in accordance with
the conditions of this permit, the Division approved plans and specifications, and other supporting
documentation.
This permit is effective only with respect to the nature and volume of wastes described in the permit
application., Division approved plans and specifications, and other supporting documentation. No
variances to applicable rules governing the construction or operation of the permitted facilities are
granted, unless specifically requested and approved in this permit pursuant to 15A NCAC 02T
.0105(n).
4. The issuance of this permit does not exempt the Permittee from complying with any and all statutes,
rules, regulations, or ordinances, which may be imposed by other jurisdictional government agencies
(e.g., local, state, and federal). Of particular concern to the Division are applicable river buffer rules
in 15A NCAC 02B .0200; erosion and sedimentation control requirements in 15A NCAC Chapter 4
and under the Division's General Permit NCG010000; any requirements pertaining to wetlands under
15A NCAC 02B .0200 and 02H .0500; and documentation of compliance with Article 21 Part 6 of
Chapter 143 of the General Statutes.
5. In the event the permitted facilities change ownership or the Permittee changes their name, a formal
permit modification request shall be submitted to the Division. This request shall be made on official
Division forms, and shall include appropriate property ownership documentation and other supporting
documentation as necessary. The Permittee of record shall remain fully responsible for maintaining
and operating the facilities permitted herein until a permit is issued to the new owner.
The Permittee shall retain a set of Division approved, plans and specifications for the life of the
facilities permitted herein.
7. The Permittee shall maintain this permit until all permitted facilities herein are properly closed or
permitted under another permit issued by the appropriate permitting authority pursuant to 15A NCAC
02T .01050).
8. This permit is subject to revocation or unilateral modification upon 60 days notice from the Division
Director, in whole or part for the requirements listed in 15A NCAC 02T .0110.
9. Unless the Division Director grants a variance, expansion of the permitted facilities contained herein
shall not be granted if the Permittee exemplifies any of the criteria in 15A NCAC 02T .0120(b).
10. The Permittee shall pay the annual fee within 30 days after being billed by the Division. Failure to
pay the annual fee accordingly shall be cause for the Division to revoke this permit pursuant to 15A
NCAC 02T .0105(e)(3).
Permit issued this the 27"' day of January 2011
NORTH CAROLINA ENVIRONMENTAL MANAGEMENT COMMISSION
ZA�_ �11
,Coleejeli. Sullins, Director
Division of Water Quality
By Authority of the Environmental Management Commission
Permit Number WQ0035060
WQ0035060 Version 1.0 -Shell Version 100804 Page 12 of 14

Permit No, WQ0035060
Outer Banks Ventures, Inc.
Outer Banks Ventures WWTP 91
ENGINEERING CERTIFICATION
❑ Partial ❑ Final
High -Rate Infiltration System
January 27, 2011
Currituck County
In accordance with 15A NCAC 02T .0116, I,
as a duly registered Professional Engineer in the State of North Carolina, having the Pernnittee's
authorization to ❑ periodically ❑ weekly ❑ fully observe the construction of the permitted facility,
hereby state to the best of my abilities that due care and diligence was used in the observation of the
construction, such that the facility was built within substantial compliance and intent of this permit, the
Division approved plans and specifications, and other supporting documentation.
❑ Any variation to this permit, the Division approved plans and specifications, and other supporting
documentation has been documented in the attached as -built drawings, and shall serve as the
Permittee's minor modification request to amend the permit accordingly.
Provide a brief narrative description of any variations:
Telephone E-mail NC PE Seal, Signature &, Date
THE COMPLETED ENGINEERING CERTIFICATION, INCLUDING ALL SUPPORTING
INFORMATION AND MATERIALS, SHALL BE SENT TO THE FOLLOWING ADDRESS:
NORTH CAROLINA DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES
DIVISION OF WATER QUALITY
AQUIFER PROTECTION SECTION
LAND APPLICATION UNIT
By U.S. Postal Service: By Courier/Special Deliven!:
1636 MAIL SERVICE CENTER 2728 CAPITAL BOULEVARD
RALEIGH, NORTH CAROLINA 27699-1636 RALEIGH, NORTH CAROLINA 27604
WQ0035060 Version 1.0 Shell Version 100804 Page 13 of 14

THIS PAGE BLANK
WQ0035060 Version 1-0 Shell Version 100804 Page 14 of 14

ATTACHMENT A - LIMITATIONS AND MONITORING REQUIREMENTS Permit Number: WQ0035060 Version: 1.0
PPI 001— WWTP Effluent
EFFLUENT CIIARACTERISTICS
EFFLUENT LIMITS
MONITORING
REQUIREMENTS
PCs
Code
Parameter Description
Monthly Average
Monthly Geometric
Mean
Daily Minimum
Daily Maximum
Measurement
Frequency
Sample
Type
00310
BOD. 5-Day (20 °C)
10
mg/L
15
Ing/[,
3 x Week
Composite
00940
Chloride (as Cl)
mg/L
3 x Year I
Composite
31616
Colirorm. Fecal MF, M-FC Broth, 44.5 °C
14
#/100 mL
25
0/100 mL
3 x Week 2
Grab
50050
Flow, in Conduit or thru Treatinent plant
600,000
GPD
Continuous
Recording
00610
Nitrogen_ Ammonia'l'olal (as N)
4
ing/I.
6
mg/L
3 x Week
Composite
00620
Nitrogen, Nitrate Total (as N)
10
mg/L,
3 x Week
Composite
00600
Nitrogen. Total (as N)
4
rng/[,
3 x Week
Composite
00400
pll
6
su
9
su
5 x Week
Grab
00665
Phosphorus. 'Total (as P)
2
mg/L
3 x Week
Composite
70300
Solids, `Total Dissolved - I80 °C:
mg/t,
3 x Year I
Composite
00530
Solids. "Total Suspended
5
mg/L
10
mg/L
3 x Week
Composite
00076
TurbiditF. 11C I I 'I urbidimeter
10
NTU
Continuous
Recording
1. 3 x Year sampling shall be conducted during March, July and November.
2. Monthly average fur Fecal Coliform shall be a geometric mean.
WQ0035060 Version 1.0 Attachinent A Page I of

PPl 002 — Groundwater Lowering System Effluent
EFFLUENT CHARACTERISTICS
EFFLUENT LIMITS
MONITORING
REQUIREMENTS
PCS
Code
Parameter Description
Monthly Average
Monthly Geometric
Mean
gaily Minimum
Daily Maximum
Measurement
Frequency
Sample
Type
00310
BUD, 5-I)ay (20 "C)
mg/L
Weekly
Grab
00680
Carbon, Tot Organic (TOC)
mg/l.
3 x Year'
Grab
00940
Chloride (as Cl)
250
rng/L
3 x Year
Grab
31616
Coliiorrn. Fecal MF. M-FC- Broth, 44.5 "C
#/100 ml,
Weekly z
Grab
50050
Flow, in Conduit or thru Treatment Plant
861,682
GPI)
Continuous
Recording
00610
Nitrogen, Ammonia "Total (as N)
rog11.
Weekly
Grab
00620
Nitrogen, Nitrate Total (as N)
10
mg11,
Weekly
Grab
00600
Nitrogen,.Tolal (as N)
mg/L
Weekly
Grab
00400
p1l
6.5
so
8.5
sir
Weekly
Grab
00665
Phosphorus, Total (as 11)
mg/L
Weekly
Grab
70300
Solids, Total Dissolved - 180 °C
500
mg/L
3 x Year r
Grab
3. 3 x Year sampling shall be conducted during March, July and November.
4. Monthly average for Fecal Colifonn shall be a geometric mean.
WQ0035C, `ersion 1.0 Attachment A ,e 2 of 2

ATTACHMENT 13 - APPROVED LAND APPLICATION SITES AND LIMITATIONS
Outer Banks Ventures, Inc. — Outer Banks Ventures WWTP #I
Permit Nuntber: WQ0035060 Version: 1.0
INFILTRATION AREA INFORMATION
APPLICATION LIMITATIONS
Basin
Owner
County
Latitude
Longitude
Net Acreage
Dominant
Soil Series
Parameter
Rate
Units
I
Outer Banks Ventures. Ine.
C'urrituck
360 22' 2.93"
-750 49' 37.44"
0.99
Ne%%han
01284 — Non -Discharge Application Efate
10
GPI)/fl2
2
Outer Banks Ventures. Inc.
Currituck
36' 19' 53.86"
-75' 49' 6.93"
0.39
Newhan
0 1284 — Non -Discharge Application Rate
10
GPM'
Totals
1.38
WQ0035060 Version 1.0 Attachment B Pagel oil

THIS PAGE BLANK
WQ0035t, ersion 1.0 Attachment B age 2 of2

ATTACHMENT C — GROUNDWATER MONITORING AND LIMITATIONS
Monitoring wells: MW-1, MW-2, MW-3, MW-4, MW-5 anti MW-6
Permit Number- WQ0035060 Version: 1.0
GROUNDWATER CHARACTERISTICS
PCS Code Parameter Description
00680 Carbon. Tot Organic (TOC)
GROUNDWATER STANDARDS
Daily Maximum
mg/L
MONITORING REQUIRV TENTS
Frequency Measurement Sample Type Footnotes
3 x Year Grab 1,6
00940
Chloride (as Cl)
250
mgll.
3 x Year
Grab
I
31616
C oliform. Fecal NIF, 1v1-FC Broth. 44.5 °C
#/100 ml,
3 x Year
Grab
I
00610
Nitrogen. Armnionia'T'otal (as N)
nig/L
3 x Year
Grab
I
00620
Nitrogen, Nitrate Total (as N)
10
mg/L
3 x Year
Grab
1
00400
p1T
6.5-8.5
so
3 x Year
Grab
1,2
00665
Phospliorus, "fatal (as P)
mg/L
3 x Year
Grab
I
70300
Solids. Total Dissolved - 180 °C
500
nlg/L
3 x Year
Grab
1
78732
Volatile Organic Compounds (GUMS)
Presence: Y/N
Annual
Crab
1. 4. 5
82546
Water level, distance from measuring point
R
3 x Year
Calculated
1, 2. 3
I. 3 x Year monitoring shall be conducted in March, July & November: Annual monitoring shall be conducted every November.
2. The measurement of water levels shall he made prior to purging the wells. The depth to water in each well shall be measured from the surveyed point on the top of the casing. The measurement
of pi shall be made after purging and prior to sampling for the remaining parameters.
3. 'fie measuring points (top of well casing) of all monitoring wells shall be surveyed to provide the relative elevation of the measuring point for each monitoring well. 'i-he measuring points (top
of casing) of alI monitoring wells shall he surveyed relative to a common datum-
4- Volatile Organic Compounds (VOC) - In November only, analyze by one of the following methods:
a. Standard Method 62301). PQL at 0.5 Itg/l, or less
b. Standard Method 62101), PQ1. at 0.5 Irg/L or less
C. HPA Method 802 i, Low Concentration. PQL at 0.5 pg/L or less
d. EPA Method 8260, Low Concentration. PQL at 0.5 pg/l, or less
e. Another method with prior approval by [he Aquifer Protection Section Chief
Any method used crust rnect the following qualifications:
a. A laboratory must be DWQ certified to nun any nnethod used.
b. The method used must, at a nrininrum, include all the constituents listed in Fable VIiI of Standard Method 02301).
C. The method use([ must provide a PQL of 0.5 Itg/L or less that must be supported by laboratory proficiency studies as required by the DWQ Laboratory Certification Unit. Any constituents
detected above the MD[, but below the PQL of 0.5 Irg/L must be qualified (estimated) and reported.
if any volatile organic compounds (VOC) are detected as a result of monitoring as provided in Attachment C. then the Washington Regional Office Aquifer Protection Supervisor, telephone
number [phone]. must be contacted immediately for ILrrlher instructions regarding Any additional follow-up analyses required.
11TOC concentrations greater than 10 mg/1 are detected Ill any downgradient monitoring [veil, additional sampling and analysis must be conducted to identify [he individual Constituents
comprising Ihis'I OC concentration. Irthe TOC concentration as measured in the background monitor well exceeds 10 mg/l. this concentration wi11 be taken to represent the naturally occurring
'I OC concentration. Any exceedances of this naturally occurring TOC concentration in [he downgradient wells shall be subject to the additional sampling and analysis as described above,
7. Monitoring wells sltall be reported consistent .with the nomenclature and location information provided in Figures SM-1 and SRI-2 and this attachment_
WQ0035060 Version 1.0 Attachment C Page I of I

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REVIEW
BOUNDARY
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r
Burgin Engineering inc.
PQ Box 1804 Irmo, SC 29063 Norfolk, VA 23510
[phone]
P QPOSED DOWNGRADIENT
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Rc NOTES:
1. ROADSIDE DITCHES NOT SHOWN
FOR CLARITY.
7b� j 2. ALL BASE MAP INFORMATION SHOWN
' ON THIS DRAWING WAS TAKEN FROM
Ud
�M .f ! CURRITUCK COUNTY GIS WEBSITE.
3. NO WELLS, STREAMS, SPRINGS,
Wnb LAKES, OR PONDS KNOWN TO BE
wry WITHIN 500' OF INFILTRATION BASIN
I,� w SITE.
Outer Banks Ventures
Proposed WWTP. #1
Sheet Title.
PROPOSED SITE PLAN #2
Soils Type Maps
Sheet No:
EXSpjg
'
Drawn By:
SEB
Checked By:
RG8
By,
RG11
Braved
Date;
5 OCT 2010
Scale:
I., = 150'-D"
Ansi B Size Sheet
jProject No:
9-008

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Ro NOTES:
t StA 1. ROADSIDE DITCHES NOT SHOWN
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7a 2. ALL BASE MAP INFORMATION SHOWN
_ ON THIS DRAWING WAS TAKEN FROM
ro j 1
c . Ud
RESI'D ECE YP f CURRITUCK COUNTY GIS WEBSITE.
3. NO WELLS, STREAMS, SPRINGS,
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# f ff t
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v Prepared For: Project: Sheet Title: SheetNo:
prawn By: SEB
`6 Outer Banks Ventures Inc. Outer Banks Ventures Checked By: RGB
'� PROPOSED SITE PLAN #1 o om
Approved By; RGB
215 Brooke Avenue Unit 1401 p VF �jTF�TP #1
�� pate: 5 OCT 2010
' Proposed
t=Soils Type Maps
Burgin Engineering lna. Norfolk, VA 23510 Scale: I" = 150�-0"
PO Box 1804 Irmo,
, SSCC 29063
[phone] AllSl g SIzB sh8e Project No: 9-008