WQ0038695_Final Permit_20170224

Wa ter R esources
ENVIRONMENTAL QUALITY
February 24, 2017
JEFFREY MALARNEY — REGISTERED AGENT
OBX WATERPARK ADVENTURE, LLC
13 GREEN MOUNTAIN DRIVE
COHOES, NEW YORK 12047
Dear Mr. Malarney:
ROY COOPER
Governor
MICHAEL S. REGAN
Secretary
S. JAY ZIMMERMAN
Director
Subject: Permit No. WQ003 8695
OBX Waterpark Adventure WWTP
High -Rate Infiltration System
Currituck County
In accordance with your permit application request received August 16, 2016, and subsequent
additional information received November 28, 2016, we are forwarding herewith Permit No. WQ0038695
dated February 24, 2017, to OBX Waterpark Adventure, L.L.C. for the construction and operation of the
subject wastewater treatment and high -rate infiltration facilities.
This permit shall be effective from the date of issuance until January 31, 2022, 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.
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 permit, please contact David Schlobohm at [phone] or
david. scblobohmgncdenr. gov.
Sincerely,
;Kvr
'�. Jay Zimmerman, P.G., Director
Division of Water Resources
cc: Currituck County Health Department (Electronic Copy)
= `„'"Nothing Compares'�
State of North Carolina I Environmental Quality I Water Resources I Water Quality Permitting IAron-Discharge Permitting
1617 Mail Service Center I Raleigh, North Carolina 27699-1617
919-807-6332

Mr. Jeffrey Malarney
February 24, 2017
Page 2 of 2
Washington Regional Office, Water Quality Regional Operations Section (Electronic Copy)
Michael W. Strader, Jr., PE — Quible & Associates, P.C. (Electronic Copy)
Edwin E. Andrews, III, PG, NCLSS — Edwin Andrews & Associates, P.C. (Electronic Copy)
Beth Buffington — Protection and Enforcement Branch (Electronic Copy)
Digital Permit Archive (Electronic Copy)
Central Files

NORTH CAROLINA
ENVIRONMENTAL MANAGEMENT COMMISSION
DEPARTMENT OF ENVIRONMENTAL QUALITY
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
OBX Waterpark Adventure, L.L.C.
Currituck County
FOR THE
operation of a 60,000 gallon per day (GPD) wastewater treatment and high -rate infiltration facility
consisting of the:
construction and operation of a 60,000 GPD wastewater treatment facility comprised o£ a manual bar
screen (314 -inch spacing) with drying rack; a 21,524 gallon (working volume) mudwell and flow
equalization tank with two 165 gallon per minute (GPM) equalization/sludge return pumps; a 45,239 gallon
(anoxic volume), 10,000 gallon (feed/working volume), anoxic tank with two 220 GPM main reactor feed
pumps; two 10,596 gallon main Amphidrome membrane bioreactors (MBR), each with a tank surface area
of 142.5 square feet (ft2) (89 gallons per inch); two variable capacity Kaeser process air blowers; a 17,358
gallon (working volume) clearwell with four 427.5 GPM backwash pumps and two 92 GPM secondary
reactor feed pumps; a 3,808 gallon secondary reactor (MBR) with a tank surface area of 36 ft2 (22.4 gallons
per inch); a 6,000 gallon (working volume) clear well with two 92 GPM polishing reactor feed pumps and
a 216 GPM secondary reactor backwash pump; a 3,808 gallon polishing reactor (MBR) with a tank surface
area of 36 ft' (22.4 gallons per inch); a 6,000 gallon (working volume) clear well with two 202 GPM dosing
pumps and a 216 GPM polishing reactor backwash pump; two 4 gallon per hour (GPH) carbon feed pumps;
two 1 GPH alum feed pumps; two 1 GPH alkalinity feed pumps; a 202 GPM Aqua Azul ultraviolet (UV)
disinfection system; a Badger effluent flow meter; an auxiliary generator; and all associated piping, valves,
controls, and appurtenances; the
construction and operation of a 60,000 GPD high -rate infiltration system (Phase 1) comprised of: a 0.57
acre high -rate infiltration basin with 27 spray irrigation heads at 30 feet on centers each with a wetted
diameter of 34 feet and an operating flow of 7.48 GPM; and all associated piping, valves, controls, and
appurtenances; the
construction and operation of a 327,930 GPD groundwater lowering system (Phase 1) consisting of. 1,379
linear feet (LF) of 10 -inch HDPE CPP underdrain pipe that discharges to a settling/mixing basin; and all
associated piping, valves, controls, and appurtenances; the
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construction/expansion and operation of a 250,000 GPD high -rate infiltration system (Phase 2) comprised
of: two 1.32 acre (2.64 total acres) high -rate infiltration basins, each including 54 spray irrigation heads at
30 feet on centers, for a total of 108 spray irrigation heads, with wetted diameter of 34 feet for each head
and an operating flow of 7.48 GPM with flow to each of the two infiltration basins controlled by a valve
vault incorporating two electronically actuated butterfly valves; and all associated piping, valves, controls,
and appurtenances; and the
construction/expansion and operation of a 558,756 GPD groundwater lowering system (Phase 2) consisting
of: 2,267 LF of 10 -inch HDPE CPP underdrain pipe that discharges to a settling/mixing basin; and all
associated piping, valves, controls, and appurtenances
to serve the OBX Waterpark Adventure WWTP, with no discharge of wastes to surface waters, pursuant to
the application received August 16, 2016, and subsequent additional information received by the Division
of Water Resources, and in conformity with the project plans, specifications, and other supporting data
subsequently filed and approved by the Department of Environmental Quality and considered a part of this
permit.
This permit shall be effective from the date of issuance until January 31, 2022, and shall be subject to the
following specified conditions and limitations:
I. SCHEDULES
1. Upon completion of construction and prior to operation of this permitted facility, a certification
(attached) shall be submitted from a licensed North Carolina 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 Permittee shall retain
the responsibility to track further construction approved 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 Resources, Water Quality Permitting Section, 1617 Mail Service Center, Raleigh,
NC 27699-1617. [15A NCAC 02T .0116(a)]
2. 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 regional supervisor shall be made from 8:00 a.m.
until 5:00 p.m. on Monday through Friday, excluding State Holidays. [15A NCAC 02T .0108(b)(2)]
The Washington Regional Office, telephone number [phone] , shall approve monitoring wells
MW -1, MW -2, MW -3, and MW -4 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 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 Figure 1. [15A NCAC 02C
.0108, 02T .0108(b)(2)]
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4. 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 to the sixth decimal degree
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 a manner and made of such materials that the monument
will not be destroyed due to activities taking place on the property. The map and any supporting
documentation shall be sent to the Division of Water Resources, Water Quality Permitting Section,
1617 Mail Service Center, Raleigh, NC 27699-1617. [15A NCAC 02T .0108(b)(2)]
5. Within 60 days of the effective date of this permit, all existing onsite piezometers and monitoring wells
shall be permanently abandoned. Within 30 days of abandonment, a Well Abandonment Record (Form
GW -30) listing this permit number and the appropriate monitoring well identification number shall be
completed for each well abandoned and mailed to the Division of Water Resources, Water Quality
Permitting Section, 1617 Mail Service Center, Raleigh, NC 27699-1617. A North Carolina Certified
Well Contractor shall abandon the monitoring wells according to the North Carolina Well Construction
Standards (15A NCAC 02C.0113) and local county rules. [15A NCAC 02C .011, 02T .0108(b)(2)]
6. 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.0 I 05(d) requires an updated site map to be submitted with the permit renewal application.
[15A NCAC 02T .0105(d), 02T .0106, 02T.0 109, 02T .0115(c)]
7. If the subject wastewater treatment or infiltration 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. [15A
NCAC 02H .0404(e)]
II. PERFORMANCE 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, or failure of the infiltration areas to adequately assimilate the
effluent, the Permittee shall take immediate corrective actions including Division required actions, such
as the construction of additional or replacement wastewater treatment or infiltration facilities. [G.S.
143-215.1, 143-213.3(a)]
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. [15A NCAC 02B .0200, 02L .0100]
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. [15A NCAC 02C .0108]
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4. Effluent quality shall not exceed the limitations specified in Attachment A. [ 15A NCAC 02T .0705(b)]
5. Application rates, whether hydraulic, nutrient or other pollutant, shall not exceed those specified in
Attachment & [15A NCAC 02T .0705(m)]
6. A usable green area shall be maintained for effluent disposal. The green area shall contain at least
1,000 square feet of open green area for each residential unit served, or 2,500 square feet per thousand
gallons per day of waste flow, whichever is less. A green area is defined as 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. [15A NCAC 02H .0404(g)(7)]
7. 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. [15A NCAC 02L .0106(d)(2), 02L .0107(b)]
8. 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. [ 15A NCAC 02L
.0106, 02L.0108]
9. 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. [ 15A NCAC 02L .0107(c)]
10. 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). [15A NCAC 02L .0107]
11. 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(f)(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.
[15A NCAC 02L .0107(f)]
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12. The facilities permitted herein shall be constructed according to the following setbacks:
a. The setbacks for high -rate infiltration sites permitted under 15A NCAC 02T .0700 shall be as
follows (all distances in feet):
i. Any habitable residence or place of public assembly under separate ownership:
400
ii. Any habitable residence or place of public assembly owned by the Permittee:
200
iii. Any private or public water supply source:
100
iv. Surface waters:
501
v. Groundwater lowering ditches:
501
vi. Surface water diversions:
50
vii. Any well with exception of monitoring wells:
100
viii. Any property line:
200
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 1
xii. Any swimming pool:
100
xiii. Public right of way:
50
xiv. Nitrification held:
20
xv. Any building foundation or basement:
15
xvi. Impounded public water supplies:
5002
xvii. Public shallow groundwater supply:
500 2
1 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).
2 Setbacks to impounded public water supplies and public shallow groundwater supply are only for
interim treatment and disposal facilities as defined in 15A NCAC 02H .0404(g).
[ 15A NCAC 02T .0706(a), 02T .0706(c)]
b. The setbacks for storage and treatment units permitted under 15A NCAC 02T .0700 shall be as
follows (all distances in feet):
L Any habitable residence or place of public assembly under separate ownership: 100
ii. Any private or public water supply source: 100
iii. Surface waters: 50
iv. Any well with exception of monitoring wells: 100
v. Any property line: 50
[15A NCAC 02T .0706(d)]
III. 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,
which at a minimum shall include operational functions, maintenance schedules, safety measures and
a spill response plan. [15A NCAC 02T .0707]
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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. [ 15A NCAC 02T .0117]
3. Adequate measures shall be taken to prevent effluent ponding in or runoff from the infiltration sites
listed in Attachment B. [15A NCAC 02T .0108(b)(1)]
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. [15A NCAC 02T .0108(b)(1)]
5. Only effluent from the OBX Waterpark Adventure WWTP shall be infiltrated on the sites listed in
Attachment B. [G. S. 143-215.I]
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. [15A NCAC 02H .0404(g)(3)]
7. No automobiles or machinery shall be allowed on the infiltration sites except during equipment
installation or while maintenance is being performed. [15A NCAC 02T .0108(b)(1)]
8. Public access to the infiltration sites and wastewater treatment facilities shall be prohibited. [ 15A
NCAC 02T .0705(p)]
9. A water -tight seal on all treatment/storage units or minimum of two feet protection from the 100 -year
flood plain elevation shall be provided. [15A NCAC 02T .0705(1)]
10. The residuals generated from the wastewater treatment facilities shall be disposed or utilized in
accordance with 15A NCAC 02T .I100. The Permittee shall maintain a residual management plan
pursuant to 15A NCAC 02T.0708. [15A NCAC 02T .0708, 02T .1100]
11. Diversion or bypassing of untreated or partially treated wastewater from the treatment facilities is
prohibited. [15A NCAC 02T .0705(i)]
12. A protective vegetative cover shall be established and maintained on all earthen embankments (i.e.,
outside toe of embankment to maximum allowable temporary storage elevation on the inside of the
embankment), berms, pipe runs, erosion control areas, and surface water diversions. Trees, shrubs, and
other woody vegetation shall not be allowed to grow on the earthen dikes or embankments. Earthen
embankment areas shall be kept mowed or otherwise controlled and accessible. [15A NCAC 02T
.0108(b)(1)]
13. The high -rate spray beds shall be periodically cleaned to remove deposited materials that may impede
the infiltration process. They shall be raked as needed and cleaned of vegetative growth. All vegetative
growth shall be removed manually so that minimal disturbance will occur to the disposal areas.
Cleaning 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, telephone number
[phone], shall be notified prior to each cleaning. [15A NCAC 02T .0108(b)(1)]
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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. [ 15A NCAC 02T .0108(c)]
A Division certified laboratory shall conduct all laboratory analyses for the required effluent,
groundwater or surface water parameters. [15A NCAC 02H .0800]
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 true flow.
[ 15A NCAC 02T.0 105(k)]
4. The Permittee shall monitor the effluent from the subject facilities at the frequencies and locations for
the parameters specified in Attachment A. [15A NCAC 02T .0108(c)]
5. The Permittee 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. Loading rates to each infiltration site listed in Attachment B; and
e. Weather conditions.
[15A NCAC 02T .0108(c)]
6. Three copies of all monitoring data (as specified in Conditions IV.3. and IVA.) on Form NDMR for
each PPI and three copies of all operation and disposal records (as specified in Condition N.5.) on
Form NDAR-2 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 Resources
Information Processing Unit
1617 Mail Service Center
Raleigh, North Carolina 27699-1617
[15A NCAC 02T .0105(1)]
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7. 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.
[15A NCAC 02T .0108(b)(1)]
8. 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.).
[15A NCAC 02T .0108(b)(1)]
9. Monitoring wells MW -1, MW -2, MW -3, and MW -4 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 Figure_l [15A NCAC 02T .0105(m)]
10. For initial sampling of monitoring wells MW -1, MW -2, MW -3, and MW -4, the Permittee shall submit
a Compliance Monitoring Form (GW -59) and a Well Construction Record Forth (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. [15A NCAC 02T
.0105(m)]
11. 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 Resources
Information Processing Unit
1617 Mail Service Center
Raleigh, North Carolina 27699-1617
[15A NCAC 02T .0105(m)]
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12. Noncompliance Notification:
The Permittee shall report by telephone to the Washington Regional Office, telephone number (252)
946-6481, as soon asosp sible, 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. Treatment of wastes 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
betaken to ensure the problem does not recur. [ 15A NCAC 02T .0105(1), 02T .0108(b)(1)]
V. INSPECTIONS
1. The Permittee shall provide adequate inspection and maintenance to ensure proper operation of the
wastewater treatment and infiltration facilities. [15A NCAC 02T .0108(b)]
2. The Permittee or their designee shall inspect the wastewater treatment and 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 Permittee
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. [15A NCAC 02T .0108(b)]
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 infiltration facilities
permitted herein at any reasonable time for the purpose of determining compliance with this permit;
may inspector copy any records required to be maintained under the terms and conditions of this permit,
and may collect groundwater, surface water or leachate samples. [G.S. 143-21.5.3(a)(2)]
Vl. 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. [G.S. 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. [15A NCAC 02T .0110]
3. 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).
[G.S. 143-21.5.1]
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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 General Permit NCGO10000; 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. [15A NCAC 02T .0105(c)(6)]
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. [15A NCAC
02T.0104]
6. The Permittee shall retain a set of Division approved plans and specifications for the life of the facilities
permitted herein. [15A NCAC 02T .0108(b)(1)]
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. [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.0 110. [ 15A NCAC 02T.0 I 101
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). [15A
NCAC 02T.0120]
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. [15A NCAC 02T
.0105(e)(3 )]
Permit issued this the 24' day of February 2017
NORTH CAROLINA ENVIRONMENTAL MANAGEMENT COMMISSION
S. Jay Zimmerman, P. G., Director
Division of Water Resources
Cy—
By Authority of the Environmental Management Commission
Permit Number WQ0038695
WQ0038695 Version 1.0 Shell Version 151201 Page 10 of 11

Permit No. WQ0038695
OBX Waterpark Adventure,.L.L.C.
OBX Waterpark Adventure WWTP
ENGINEERING CERTIFICATION
❑ Partial ❑ Final
High -Rate Infiltration System
February 24, 2017
Currituck County
In accordance with 15A NCAC 02T .0116, I, , as
a duly registered Professional Engineer in the State of North Carolina, having the Permittee'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:
THE COMPLETED ENGINEERING CERTIFICATION, INCLUDING ALL SUPPORTING
INFORMATION AND MATERIALS, SHALL BE SENT TO THE FOLLOWING ADDRESS:
NORTH CAROLINA DEPARTMENT OF ENVIRONMENTAL QUALITY
DIVISION OF WATER RESOURCES
WATER QUALITY PERMITTING SECTION
NON -DISCHARGE PERMITTING UNIT
By U.S. Postal Service:
1617 MAIL SERVICE CENTER
By Courier/S ecial Deliv :
512 N. SALISBURY ST.
RALEIGH, NORTH CAROLINA 27699-1617 RALEIGH, NORTH CAROLINA 27604
WQ0038695 Version 1.0 Shell Version 151201 Page 11 of 11

THIS PAGE BLANK

ATTACIUIENT A -- LIMITATIONS AND MONITORING REQUIREMENTS
PPI 001— WWTP Effluent (Phase 1)
Permit Number: WQ0038695 Version: lA
EFFLUENT CHARACTERISTICS
EFFLUENT LIMITS
MONITORING REQUIREMENTS
PCS
Code
Parameter Description
Units of
Measure
Monthly
Average
Monthly
Geometric Mean
Daily Minimum
Daily Maximum
Measurement
Frequency
Sample
Type
00310
BOD, 5 -Day (20 °C)
mg/L
10
2 x Month
Composite
00940
Chloride (as Cl)
mg/L
3 x Year
Composite
50060
Chlorine, Total Residual
mg/L
5 x Week
Grab
31616
Coliform, Fecal MF, M -FC Broth, 44.5 °C
#/100 mL
14
2 x Month
Grab
50050
Flow, in Conduit or thru Treatment Plant
GPD
60,000
Continuous
Recorder
00610
Nitrogen, Ammonia Total (as N)
mg/L
4
2 x Month
Composite
00625
Nitrogen, Kjeldahl, Total (as N)
mg/L
2 x Month
Composite
00620
Nitrogen, Nitrate Total (as N)
mg/L
10
2 x Month
Composite
00600
Nitrogen, Total (as N)
mg/L
4
2 x Month
Composite
00400
pH
su
6.0
9.0
5 x Week
Grab
00665
Phosphorus, Total (as P)
mg/L
2
2 x Month
Composite
70300
Solids, Total Dissolved— 180 °C
mg/L
3 x Year
Composite
00530
Solids, Total Suspended
mg/L
15
2 x Month
Composite
1. 3 x Year sampling shall be conducted in February, June and October.
WQ0038695 Version 1.0 Attachment A Page I of 2

PPI 002 — Groundwater Lowering System Effluent (Phase 1)
EFFLUENT CHARACTERISTICS
PCs Parameter Description
Code p
EFFLUENT LIMITS
Units of Monthly Monthly
Measure Average Geometric Mean Daily Minimum Daily Maximum
MONITORING REQUIREMENTS
Measurement Sample
Frequency Type
00680
Carbon, Total Organic (TOC)
mg/L
3 x Year
Grab
00940
Chloride (as Cl)
mg/L
250
3 x Year
Grab
50060
Chlorine, Total Residual
mg/L
2 x Month
Grab
50050
Flow, in Conduit or thru Treatment Plant
GPD
327,930
Continuous
Recorder
00610
Nitrogen, Ammonia Total (as N)
mg/L
1.5
2 x Month
Grab
00620
Nitrogen, Nitrate Total (as N)
mg/L
10
2 x Month
Grab
00600
Nitrogen, Total (as N)
mg/L
2 x MonthGrab
00400
pH
su
6.5
8.5
2 x Month
Grab
00665
Phosphorus, Total (as P)
mg/L
2 x Month
Grab
70300
Solids, Total Dissolved —180 °C
mg/L
500
3 x Year
Grab
1. 3 x Year sampling shall be conducted in February, June and October
WQ0038695 Version 1.0 Attachment A Page 2 of 2

ATTACHMENT B - APPROVED LAND APPLICATION SITES AND LIMITATIONS
OBX Waterpark Adventure L.L.C. — OBX Waterpark Adventure WWTP (Phase 1)
Permit Number: WQ0038695 Version: 1.0
INFILTRATION AREA INFORMATION
APPLICATION LIMITATIONS
Basin
Owner
County
Latitude Longitude
Net
Acrea a
Dominant
Soil Series
Parameter
Rate Units
A
OBX Waterpark Adventure, L.L.C.
Currituck
36.113219° -75.833566'
0.57
Dragston fine sandy loam
01284—Non-Discharge Application Rate
2.55 GPDIft2
Totals
01284—Non-Discharge Application Rate
2.55
GPDIft2
0.57
OBX Waterpark Adventure, L.L.C.
Currituck
36.112611°
OBX Waterpark Adventure L.L.C. — OBX Waterpark Adventure WWTP (Phase 2)
INFILTRATION AREA INFORMATION
APPLICATION LIMITATIONS
Basin
Owner
County
Latitude
Longitude
Net
Acreage
Dominant
Soil Series
Parameter
Rate
Units
A
OBX Waterpark Adventure, L.L.C.
Currituck
36.113219°
-75.833566'
1.32
Dragston fine sandy loam
01284—Non-Discharge Application Rate
2.55
GPDIft2
B
OBX Waterpark Adventure, L.L.C.
Currituck
36.112611°
-75.834190'
1.32
Dragston fine sandy loam
01284—Non-Discharge Application Rate
2.55
GPDIft2
Totals
2.64
WQ0038695 Version 1.0 Attachment B Page 1 of 1

THIS PAGE BLANK

ATTACHMENT C — GROUNDWATER MONITORING AND LIMITATIONS Permit Number: WQ0038695 Version: 1.0
Monitoring wells: MW -1, MW -2, MW -3 & MW -4
GROUNDWATER
CHARACTERISTICS
GROUNDWATER STANDARDS
MONITORING REQUIREMENTS
PCS Code
Parameter Description
Daily Maximum
Frequency Measurement
Sample Type
Footnotes
00680
Carbon, Tot Organic (TOC)
mg/L.
3 x Year
Grab
1,6
00940
Chloride (as Cl)
250 mg/L
3 x Year
Grab
1
31616
Coliform, Fecal MF, M -FC Broth, 44.5 °C
#1100 mL
3 x Year
Grab
1
00610
Nitrogen, Ammonia Total (as N)
1.5
mg/L
3 x Year
Grab
1
00620
Nitrogen, Nitrate Total (as N)
10
mg/L
3 x Year
Grab
1
00400
pH
6.5-8.5
su
3 x Year
Grab
1,2
00665
Phosphorus, Total (as P)
mg/L
3 x Year
Grab
1
70300
Solids, Total Dissolved - 180 °C
500
mg/L
3 x Year
Grab
I
GWVOC
Volatile Compounds (GC/MS)
Present: Yes/No
Annually
Grab
1, 4, 5
82546
Water Level, Distance from measuring point
feet
3 x Year
Calculated
1, 2, 3
1. 3 x Year monitoring shall be conducted in February, June & October. Annual monitoring shall be conducted every October.
2. The measurement of water levels shall be 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
PH shall be made after purging and prior to sampling for the remaining parameters.
3. The 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. The measuring points (top of
casing) of all monitoring wells shall be surveyed relative to a common datum.
4. Volatile Organic Compounds (VOC) - In November only, analyze by one of the following methods:
a. Standard Method 6230D, PQL at 0.5 gg/L or less
b. Standard Method 6210D, PQL at 0.5 gg/L or less
C. EPA Method 8021, Low Concentration, PQL at 0.5 gg/L or less
d. EPA Method 8260, Low Concentration, PQL at 0.5 gg/L or less
e. Another method with prior approval by the Water Quality Permitting Section Chief
Any method used must meet the following qualifications:
a. A laboratory must be DWR certified to run any method used.
b. The method used must, at a minimum, include all the constituents listed in Table VIII of Standard Method 6230D.
c. The method used must provide a PQL of 0.5 gg/L or less that must be supported by laboratory proficiency studies as required by DWR. Any constituents detected above the MDL but below
the PQL of 0.5 gg/L must be qualified (estimated) and reported.
5. If any volatile organic compounds (VOC) are detected as a result of monitoring as provided in Attachment C, then the Washington Regional Office supervisor, telephone number [phone],
must be contacted immediately for further instructions regarding any additional follow-up analyses required.
6. If TOC concentrations greater than 10 mg/L are detected in any downgradient monitoring well, additional sampling and analysis must be conducted to identify the individual constituents comprising
this TOC concentration. If the TOC concentration as measured in the background monitor well exceeds 10 mg/L, this concentration will be taken to represent the naturally occurring TOC
concentration. Any exceedances of this naturally occurring TOC concentration in the downgradient wells shall be subject to the additional sampling and analysis as described above.
7. Monitoring wells shall be reported consistent with the nomenclature and location information provided in Figure 1 and this attachment.
WQ0038695 Version 1.0 Attachment C Page 1 of 1

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