WQ0012696_Final Permit_19961121

State of North Carolina
Department of Environment,
Health and Natural Resources
Division of Water Quality
James B. Hunt, Jr., Governor
Jonathan B. Howes, Secretary
A. Preston Howard, Jr., P.E., Director
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November 21, 1996
Mr. Cameron W. Lee, Jr., P.E., State Operations Engineer
N. C. Department of Transportation - Facilities Management Branch
Post Office Box 25201
Raleigh, North Carolina 27611
Subject: Permit No. WQ0012696
N. C. Department of Transportation
Pamlico River Ferry Terminal
Wastewater Spray Irrigation Beaufort County
Dear Mr. Lee:
In accordance with your application received July 19, 1996, we are forwarding herewith Permit
No. WQ0012696, dated November 21, 1996, to the N. C. Department of Transportation for the
construction and operation of the subject wastewater treatment and spray irrigation facilities.
This permit shall be effective from the date of issuance until October 31, 2001 and shall be subject
to the conditions and limitations as specified therein. Please pay particular attention to the monitoring
requirements in this permit. Failure to establish an adequate system for collecting and maintaining the
required operational information will result in future compliance problems.
If any parts, requirements, or limitations contained in this permit are unacceptable, you have the
right to request an adjudicatory hearing upon written request within thirty (30) days following receipt of
this permit. This request must 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, P.O. Drawer
27447, Raleigh, NC 27611-7447. 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 Rick Moore at [phone] extension 527.
Sincerely,
Lo J� JL
A. Presto 40ward, Jr., E.
cc: Beaufort County Health Department
Washington Regional Office, Water Quality Section
Washington Regional Office, Groundwater Section
Bob Cheek, Groundwater Section, Central Office
Training and Certification Unit
Facilities Assessment Unit
P.O. Box 29535, Raleigh, North Carolina 27626-0535 Telephone [phone] FAX [phone]
An Equal Opportunity Affirmative Action Employer 50% recycled/ 10% past -consumer paper

NORTH CAROLINA
ENVIRONMENTAL MANAGEMENT COMMISSION
DEPARTMENT OF ENVIRONMENT, HEALTH AND NATURAL RESOURCES
RALEIGH
SPRAY IRRIGATION 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
N. C. Department of Transportation
Beaufort County
FOR THE
construction and operation of an 800 GPD spray irrigation treatment and disposal facility consisting of a
1,000 gallon septic tank, 1,000 gallon wet well, 0.5 hp effluent pump, a 261 ft2 recirculating sand filter,
5:1 splitter box, 1,500 GPD tablet chlorinator, 150 gallon chlorine contact chamber, 4,000 gallon pump
tank, 3 hp spray pump, and a 21,927 ft2 spray irrigation field to serve the N. C. Department of
Transportation's Pamlico River Ferry Terminal with no discharge of wastes to the surface waters,
pursuant to the application received July 19, 1996 and in conformity with the project plan, specifications,
and other supporting data subsequently filed and approved by the Department of Environment, Health and
Natural Resources and considered a part of this permit.
This permit shall be effective from the date of issuance until October 31, 2001 and shall be subject
to the following specified conditions and limitations:
I. PERFORMANCE STANDARDS
l . Upon completion of construction and prior to operation of this permitted facility, a
certification must be received from a professional engineer certifying that the permitted
facility has been installed in accordance with this permit, the approved plans and
specifications, and other supporting materials. Mail the Certification to the Water Quality
Permits and Engineering Unit, P.O. Box 29535, Raleigh, NC 27626-0535.
2. The Washington Regional Office, telephone number [phone] shall be notified at
least forty-eight (48) hours in advance of operation of the installed facilities so that an in -
place inspection can be made. Such notification to the regional supervisor shall be made
during the normal office hours from 8:00 a.m. until 5:00 p.m. on Monday through Friday,
excluding State Holidays.
3. The spray irrigation facilities shall be effectively maintained and operated at all tunes so that
there is no discharge to the surface waters, nor any contamination of ground waters which
will render them unsatisfactory for normal use. In the event that the facilities fail to
perform satisfactorily, including the creation of nuisance conditions or failure of the
irrigation area to adequately assimilate the wastewater, the Permittee shall take immediate
corrective actions including those actions that may be required by the Division of Water
Quality, such as the construction of additional or replacement wastewater treatment and
disposal facilities.

4. The issuance of this permit shall not relieve the Permittee of the responsibility for damages
to surface or groundwaters resulting from the operation of this facility.
5. The residuals generated from these treatment facilities must be disposed in accordance with
General Statute 143-215.1 and in a manner approved by the North Carolina Division of
Water Quality.
G. Diversion or bypassing of the untreated wastewater from the treatment facilities is
prohibited.
7. The following buffers shall be maintained:
a) 400 feet* between wetted area and any residence or places of public assembly under
separate ownership,
b) 150 feet* between wetted area and property lines,
c) 100 feet between wetted area and wells,
d) 100 feet* between wetted area and drainageways or surface water bodies,
e) 50 feet between wetted area and public right of ways,
f) 100 feet between wastewater treatment units and wells, and
g) 50 feet between wastewater treatment units and property lines.
* Variances from these buffers have been. approved. The nearby property owners have
submitted agreements to reduce the residence or place of public assembly to 200 feet and
to reduce property line buffers to 50 feet. The spray field is being bermed in accordance
with condition VI-10, therefore, the 100 foot drainageway (the drainageways are the
property lines) buffer is being reduced to 50 feet.
8. A leakage test shall be performed on the septic tank and dosing tank to insure that any
exfiltration occurs at a rate which does not exceed twenty (20) gallons per twenty-four (24)
hours per 1,000 gallons of tank capacity. The engineer's certification will serve as proof of
compliance with this condition.
II. OPERATION AND MAINTENANCE REQUIREMENTS
1. The facilities shall be properly maintained and operated at all times.
2. Upon classification of the facility by the Certification Commission, the Permittee shall
employ a certified wastewater treatment plant operator to be in responsible charge (ORC) of
the wastewater treatment facilities. The operator must hold a certificate of the type and
grade at least equivalent to or greater than the classification assigned to the wastewater
treatment facilities by the Certification Commission. The Permittee must also employ a
certified back-up operator of the appropriate type and grade to comply with the conditions
of Title 15A, Chapter 8A, .0202. The ORC of the facility must visit each Class I facility at
least weekly and each Class II, III, and IV facility at least daily, excluding weekends and
holidays, and must properly manage and document daily operation and maintenance of the
facility and must comply with all other conditions of Title 15A, Chapter 8A, .0202. Once
the facility is classified, the Permittee must submit a letter to the Certification Commission
which designates the operator in responsible charge within thirty days after the wastewater
treatment facilities are 50% complete.
3. A suitable vegetative cover of coastal bermuda with annual rye shall be maintained.
4. Irrigation shall not be performed during inclement weather or when the ground is in a
condition that will cause runoff.
5 . Adequate measures shall be taken to prevent wastewater runoff from the spray field.
2

6. 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.
7. The application rate shall not exceed a cumulative loading of 31.8 inches over any twelve
(12) month period at an instantaneous application rate not to exceed 0.174 inches per hour.
8. No type of wastewater other than that from the N. C. Department of Transportation's
Pamlico River Ferry Terminal shall be sprayed onto the irrigation area.
9. No traffic or equipment shall be allowed on the disposal area except while installation
occurs or while normal maintenance is being performed.
10. The spray irrigation field shall be fenced with at least a two strand wire fence.
11. The Permittee is responsible for the operation and maintenance of the entire treatment and
disposal system including, but not limited to, the following items:
a. The septic tank shall be checked annually and pumped out as needed.
b . The tablet chlorinator shall be checked every week. Tablets shall be added so as to
provide proper chlorination.
c . The storage, pump, and alarm systems shall be inspected weekly. The scum layer shall
be removed at the same interval as the septic tank is cleaned out.
d. The spray system shall be inspected weekly to make certain of the sprayers proper
operation, that the vegetative growth allows a proper spray pattern, that the soil is
assimilating the disposed treated wastewater with no surface runoff, and that no
objectionable odors are being generated.
III. MONITORING AND REPORTING REQUIREMENTS
1. Any monitoring deemed necessary by the Division of Water Quality to insure surface and
ground water protection will be established and an acceptable sampling reporting schedule
shall be followed.
2. The Permittee shall maintain records of all maintenance performed on the system and
irrigation area, as required in Condition II 11 for a minimum of five years. This
information shall be provided to the Division of Water Quality upon request.
3. Noncompliance Notification:
The Permittee shall report by telephone to the Washington Regional Office, telephone
number [phone] 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 process unit failure, due to known or unknown reasons, that renders the facility
incapable of adequate wastewater treatment, such as mechanical or electrical failures of
pumps, spray heads, etc.; or
b. Any failure of a pumping station or treatment facility resulting in a by-pass directly to
receiving waters without treatment of all or any portion of the influent to such station or
facility.
Persons reporting such occurrences by telephone shall also file a written report in letter
form within five (5) days following first knowledge of the occurrence. This report must
outline the actions taken or proposed to be taken to ensure that the problem does not recur.
3

IV. INSPECTIONS
1. Adequate inspection, maintenance, and cleaning shall be provided by the Permittee to
insure proper operation of the subject facilities.
2. Any duly authorized officer, employee, or representative of the Division of Water Quality
may, upon presentation of credentials, enter and inspect any property, premises or place on
or related to the disposal site or facility at any reasonable time for the purpose of
determining compliance with this permit, may inspect or copy any records that must be
maintained under the terms and conditions of this permit, and may obtain samples of
groundwater, surface water, or leachate.
V . GROUNDWATER -REQUIREMENTS
1. Any groundwater quality monitoring, as deemed necessary by the Division, shall be
provided.
2. The COMPLIANCE BOUNDARY for the disposal system is specified by regulations in
15A NCAC 2L, Groundwater Classifications and Standards. The Compliance Boundary is
for the disposal system constructed after December 31, 1983 is established at either (1) 250
feet from the waste disposal area, or (2) 50 feet within the property boundary, whichever is
closest to the waste disposal area. An exceedance of Groundwater Quality Standards at or
beyond the Compliance Boundary is subject to immediate remediation action in addition to
the penalty provisions applicable under General Statute 143-215.6A(a)(1).
In accordance with 15A NCAC 2L, a REVIEW BOUNDARY is established around the
disposal systems midway between the Compliance Boundary and the perimeter of the
waste disposal area. Any exceedance of standards at the Review Boundary shall require
remediation action on the part of the permittee.
VI. GENERAL CONDITION
1. This permit shall become voidable unless the facilities are constructed in accordance with
the conditions of this permit, the approved plans and specifications, and other supporting
data.
2. This permit is effective only with respect to the nature and volume of wastes described in
the application and other supporting data.
3. This permit is not transferable. In the event there is a desire for the facilities to change
ownership, or there is a name change of the Permittee, a formal permit request must be
submitted to the Division of Water Quality accompanied by an application fee,
documentation from the parties involved, and other supporting materials as may be
appropriate. The approval of this request will be considered on its merits and may or may
not be approved.
4. Upon the availability of a municipal or regional sewerage collection system, the subject
wastewater treatment facilities shall be abandoned and all wastewater discharged into the
municipal or regional sewerage system.
5. FaiIure to abide by the conditions and limitations contained in this permit may subject the
Permittee to an enforcement action by the Division of Water Quality in accordance with
North Carolina General Statute 143-215.6(a) to 143-215.6(c).
6. The issuance of this permit does not preclude the Permittee from complying with any and
all statutes, rules, regulations, or ordinances which may be unposed by other government
agencies (local, state, and federal) which have jurisdiction.

7. A set of approved plans and specifications for the subject project must be retained by the
Permittee for the life of the project.
8. The Permittee, at least six (6) months prior to the expiration of this permit, shall request its
extension. Upon receipt of the request, the Commission will review the adequacy of the
facilities described therein, and if warranted, will extend the Permit for such period of time
and under such conditions and limitations as it may deem appropriate.
9. The spray irrigation site shall be prepared in accordance with the soil scientist's
recommendations.
10. A 3 foot berm shall be constructed on the perimeter of the spray irrigation site to eliminate
the chance for runoff.
11. The existing restroom toilets shall be retrofitted with water conserving toilet bowl flappers
to reduce the peak wastewater flows. These water conserving flappers shall provide
approximately a 25% reduction in the volume of wastewater.
12. Upon construction of the new ferry terminal, a septic tank with a minimum capacity of
2,000 gallons shall be utilized.
13. In the event that the maximum storage capacity is reached for this system, the public
restrooms shall be closed until the wastewater can be spray irrigated properly. Additional
storage tanks shall be added in the future if continual closing of the public restroom is
necessary due to lack of adequate storage.
Permit issued this the 21st day of November, 1996.
NORTH CAROLINA ENVIRONMENTAL MANAGEMENT COMMISSION
A. Preston ward, Jr., P.E. Director
Division of Water Quality
By Authority of the Environmental Management Commission
Permit Number WQ0012696

Permit No. WQ0012696
November 21, 1996
ENGINEER'S CERTIFICATION
I, , as a duly registered Professional Engineer in the State of North
Carolina, having been authorized to observe (periodically, weekly, full time) the construction of the
project,
Project Name
Location
for the
Permittee hereby state that, to the best of my abilities, due care and diligence was used in the observation
of the construction such that the construction was observed to be built within substantial compliance and
intent of this permit, the approved plans and specifications, and other supporting materials.
Signature
Date
Registration No.

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RATING SCALE
Name of Facility:
R CLASSIFICATION OF WATER POLLUTION CONTROL SYSTEMS
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Owner or Contact Person; KJ.C- :-i . 'CAMOSM W. Le_, 7-,z.
Mailing Address: P.D. Qox, C,2liaO I —1-2_�-EFQ+f N f' . t
County:. 9E2+ _________Telephone: CAN- S - 014cn
Present Classification: New Facility ✓ Existing Facility.
NPDES Per. No. NC00 Nondiso. Per. No, UQMLj6A. Health Dept. Per. N
Rated by: Telephone: Date: �9
Reviewed by: Health Dept. Telephone:
Regional Office Telephone:
Central Office Telephone:
ORC: Grade: Telephone:
Check Classification Is): Subsurface _� Spray Irrigation LandApplication
Wastewater Classification., (Circle One) I 11 III IV Total Points:
t-P_N7PRQ ESSFSAh1.7RELATEDCONTWXEOUiPMEN7WHICHAREAN€fVTU AL PART OF€NDUSTRLS* PRODUCT€ON1SHALL
- p - OF CLASS !. F tJ \f
24? .y OF SFr!' I_ JA!!" f_N'_D C39AVITY Nri12IF1CAMN LIN--S 6;- E- FXFMPT FBQM C11+58IFIC6710
SUBSURFACE CLxSS;Fr_AT€QN
(check all units that apply)
1. septic tanks
2. pump tanks
siphon or pump -dosing systems
sand tillers
6. orease iraphnlerceplor
6. oWwater separators
7. subsL:Ha ;e trea:rnent and disposal:
nravity
pressure
SPRAY IRRGATION Ci_ASSIFICATON
(check all units that apply)
1. preliminary treatment (definition no. 32 }
2. lagoons
3.�septic tanks
4_ pump tanks
5 pumps
r,.=sand fillers
7. grease trapinlerceplor
8. oWwaier separators
9 =disinlection
10. chemical addition for
nutrient/afoae control
i 1spray irrigation of waslev:ater
Pretreatment of waslewsler in excess of these 'components shall be rated using the point rating
system and will require an operator with an appropriate dual certification.
LAND APPLICATIONIRESIDUALS CLASSIFICATION (Applies only to permit holder)
1. ` Land applicalion of biosolids, residuals or contaminated soils on a designaled site.
'';AS-EV,'ATE=; THE4TMEN"r FACtLiTY CLASSiF>wATION
The lollav:inp systems shall be assigned a Class i classification, !less the Now is of a significant quantity or the technology is
un_sualiy ecmYiex, to require consideration by the Commission on a case -by -case basis: (Check if Appropriate)
1 Oi; v ale! Separator Systems consisting only of physical separation, pumps and disposal;
2. Septic TaniJSand Filler Systems consisting only of septic tanks, cosing'apparatus, pumps,sand tillers, disinfection
and direct disc -barge;
Lacocn -Systems consisting only of preliminary trealmen', lagoon!, pumps, d!sinteckon, necessary chemical
treatmenl for algae or nuirienl control, and direct discharge;
4. Closeddoop Recycle Systems:
5 Greundwaier Remediaiion Systems consisting only of pumps, air -stripping, carbon adsorplien, disinfection and
disposal;
fi_ Fish farms wilh discharoe to surface walers;
Piant sludge handlino and baC� y:ash wale! treatmeW:
E Sc--ataad processing consisting of screening and disposal.
S!ny'a tami',y discharging systems with the exception of Aerobic Trea€men! Units. will be class"slied if permitted after
1F23 c- it upon Ir.'Pert!on by the Divisor,. i': is four,- that the sys€ern. is no!. being adequately operated or
r a :a ne : Such systems wil' be nalihed c! the cless `.:a:3a^ or reclassilication Ly ilia Commission, in wri€ing.

The folltOwing scale is used for rating wastewater treatment facilities: (circle appropriate
points)
r7EM POINTS
{ 1 } Irdusirial Pretfeatmant Units or Induslrtal Prelrealmeni Program (see definition No. 33)............ .................................. .... 4
(2) DE iGN FLOW CF PLANT IN gpd [not applirabie tc non-contamina4ed cooling waters, sludge handling
faci,168s for water purificaGon plants, totally closed cycle systams(see, definition No. 11), and faci[hies
conslsling only of Urn (4)(d) or items (4)(d) and (11)(d))
0 • 20,000.................... ......................................................».......................................1
20,001 - 50,000.............................................................................................................................1.2
50.001 100,000.....................................................................................................................................3
100,001 250,ODD............ ............................................................................. ...................................... ...4
250,001 500.000 .... ................................... .................................................................................. _........ 5
500,001 - 1,000,000......................................... ................................................ .„.................................... 8
1,000,001 • 2.000,000......................................... ................................»........................................_......10
2,000,001 (and up) rate 1 point additional for each 200.000 gpd capacity up to a
maximumof ........................................................................3 0
Design Flow (gpd)
(3) PRELIMINARY UNrr&,pgOGESSEs (sea derinillon No.32)
(a) Bat Screens...............................................................................................................................................1
or
(b) Mechanicaf Screens. Static Screens or Cornrnfnutfng Devlces.................................. _.............................. ........
2
(c) Grit RemOvat.............................................................................I..........................................................1
or
(d) Mechanical or Aerated Grit Removal........................................................................................................._2
Ee) Flow Measuring Device.....................................................................................................I.........................A
or
(11 Inslrumentod flow Measuremeni................................................................................................................2
{g) Preaeration......................................................................................................................—..............2
{h) Inllu4nIFlow Equalization ......................................................................................................................2
(I) Grease or Oil Separators - Gravity.................................................................................................................2
Mechanical ............. •................. ............................................ ............................................................... ....... 3
DissolvedAir Flotation........................................................,................................................I.............8
{)) Prechiorination..........................................................................................................................................5
(4) PR,MARYTREATMENT L+frrsrPFIOCESSES
(a) Septic Tank (see definition No. 43)............................................................................................................2
(b) Imholl Tank......................................................................................................................I........................5
(c) Primary Clarifiers................................................................................................1........1.................6
(d) Selsling Ponds or Settling Tanks or trtorganic Non -toxic Materials (sludge handiing lacilities for
water purilicalion plants, sand, gftvel, sions. and other pining operations except recreational
activities such as gem or gold mining)........................................................................................................2
(5) SEC3tiDARYTRSAniEN UNTFSPFKXESSES
(a) Catt>onacsous Slags
(i) Aeraticn•High Purity Oxygen System .............. .......... ...................... ......... I.._ .... ............... 20
DiffusedAir Sysiorn........................................:..........................................................10
Mechanical Air System (lixed- Iloating or rotor) .................. ....... „................... ..............
_....8
SeparateSludge Reaeration................. ............... ......................... .......... I ........... I ............. 3
(li) Trickling Fiber
HighRate............................................................................................................. ......7
StandardRate................................................................................................................5
PackedTower ............. ............ .................................................... ..................................
(r�i) Biological Aerated Filter or Aerated
BiObgicaiRhar...... ........... .... ..................................................................... __.... ........ A 0
(iv) Aerated Lagoons...............................................................................................I..........10
(v) Rotating Biologicar Cortiaclors ......................................................................................10
(vi) Sand Filters Antsi.Kittens biological ..................... ...................................... .,................... _2
Recirculating bl0l0gltal.............................................................................I.......I...............3
(vii) Stabilization Lagoons................................................................................I....................5
(viii) CfaMier...........................................................................................................................5
(ix) Single stage system for combined carbonaceous removal of BCD and nitrogenous
removal by nildlicalion (sse delinition No. 12)(Poinis lot this item have to be in
addition to Items (5)(a)(i) through (5)(a)(viiI),
utilizing the extended aeration process (sae derinition No.34)...........................................2
utilizing olhar Shan the extended aeration pr0eess............................................................8
(x) Nutrient additions to enhance BOO removal......................................................................5
(xi) Biological Culture ('Super Bugs')additeon........................................................................5
(bJ Nitrogenous Slags
(i) Aeration - High Purily Qxygen System.............................................................................20
DiHusedAir Syslem.......................................................................................................1 0
Mechanical Air System (fixed, Itosting or rotor)...................,..............................................6
Separate Sludge Reiteration...................................................._......................................3
(ii) TricMing FiHer.High Rate...................................................................................................7
StandardRase................................................................................................................5
PackedTower......................................................................
(ill) Biological Aerated Filter or Aerated Biological Filter ................
(iv) Relating Biological Con[actors ................................................................ ...................... 10
(v) Sand Fitter - intermiltenl biological...................................................................................2
Recirculalingbiological....................................................................................................3
(vi) Glad*r..........................................................................................................................S
(6) TER7ARYORADvA:4CEDTREATK4&,rr NriSnr FiOCESSES
(a) Activated Carbon Beds -
without carbon regeneration............................................................................. ..........
with carbon regeneration...............................................................,.
..... . .............................. 1 5
(b } Powdered or Granular Actr.aled Cabon Feed-
wrlhoul carbon regeneration.................................................... . ..................----...................5
with carbon regenoralion.................................. I ....... .............. ..... .i 5
(c) - f a:nr^:ng.............................................................................................. .5
(d) ;:er a"cs.,an Pr6COSS.. ........ ., ..... .... ........... .......-. .....10