WQ0006028_Final Permit_19970109

State of forth 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
January 9, 1997
Mr. George McCall
201 Stoneybrook Roadd,
Chapel Hill, North Carolina 27516
A�4
--� �w AIL �
[ DEHNF-1
Subject. Permit No. WQ0006028
McCall Single Family Residence
Single Family Wastewater
Spray Irrigation Facility
Orange County
Dear Mr. McCall:
In accordance with your application received October 1, 1996, we are forwarding herewith Permit
No. WQ0006028 dated Jaraary 9, 1997, to Mr. George McCall for the continued operation of the subject
single family wastewater treatment and spray irrigation facilities. It is noted that the subject spray irrigation
system is spread across two combined buslding lots. Please be advised that this permit is voidable if these
two lots are ever divide,!.
This permit shall be effective from the date of issuance until December 31, 2001 shall void Permit
No. WQ0006028 issued July 20, 1992, 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 adj❑dicatory 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.
If you need additional information concerning this matter, please contact Mr. John Seymour at
[phone] extension 546.
Sincerely,
f x- A�OslonHi-rd,
cc: Orange County Health Department
Raleigh Regional Office, Water Quality Section
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% post -consumer paper

NORTH CAROLINA
ENVIRONMENTAL MANAGEMENT COMMISSION
DEPARTMENT OF ENVIRONMENT, HEALTH AND NATURAL RESOURCES
RALEIGH
SINGLE FAMILY SPRAY IRRIGATION 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
George McCall
Orange County
continued operation of a 360 GPD spray irrigation wastewater treatment and disposal system consisting of
a 1,200 gallon baffled septic tank, a 240 ft2 primary subsurface sand filter, a 210 ft2 secondary subsurface
sand filter, a tablet chlorinator, a 175 gallon chlorine contact tank, dual 1,200 gallon storage/pump tanks
with a 5.2 GPM pump and high water alarm, and a 11,310 ft2 spray irrigation area to serve the George
McCall Single Family Residence, with no discharge of wastes to the surface waters, pursuant to the
application received October 1, 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 December 31, 2001, shall void Permit
No. WQ0006028 issued July 20, 1992, and shall be subject to the following specified conditions and
limitations:
I. PERFQRMANCE STANDARDS
The spray irrigation facilities shall be effectively maintained and operated at all times 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.
2. 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.
3. 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.

4. Diversion or bypassing of the untreated wastewater from the treatment facilities is
prohibited.
5. 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 treatment/storage units and any wells, and
g) 50 feet between treatment units and property lines.
Some of the buffers specified above may not have been included in previous permits for
this waste treatment and disposal system. These buffers are not intended to prohibit or
prevent modifications, which are required by the Division, to improve performance of the
existing treatment facility. These buffers do, however, apply to modifications of the
treatment and disposal facilities which are for the purpose of increasing the flow that is
tributary to the facility. These buffers do apply to any expansion or modification of the
spray irrigation areas and apply in instances in which the sale of property would cause any
of the buffers now complied with, for the treatment and disposal facilities, to be violated.
The applicant is advised that any modifications to the existing facilities will require a permit
modification.
H. OPERATIQN AND MAINTENANCE REOLITREMENTS
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, Ili, 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.
3. A suitable vegetative cover 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.
6. The application rate shall not exceed a cumulative Ioading of 18.72 inches over any twelve
(12) month period at an instantaneous application rate not to exceed 0.05 inches per hour.
7. 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.
8. No type of wastewater other than that from the George McCall Residence shall be sprayed
onto the irrigation area.

9. In the event that the sprinkler heads fail to achieve the design diameter of 60 feet due to
obstructions, the obstructions shall be removed or the sprinkler heads shall be raised and
supported to such height that the design diameter is achieved.
10. No traffic or equipment shall be allowed on the disposal area except while installation
occurs or while normal maintenance is being performed.
11. The spray irrigation field shall be fenced with at least a two strand wire fence.
12. 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 REPORTINQ REQIJIREMENTS
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 11 12 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 Raleigh Regional Office, telephone number
919/ 571-4700 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.
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.
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. Failure 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 imposed by other government
agencies (local, state, and federal) which have jurisdiction.
7. This permit may be revoked if the Permittee fails to abide by the conditions of the
"Operation and Maintenance Agreement" previously signed by the Permittee.
8. A set of approved plans and specifications for the subject project must be retained by the
Permittee for the life of the project.
9. 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.
Permit issued this the 9th day of January, 1997
NORTH CAROLINA ENVIRONMENTAL MANAGEMENT COMMISSION
Prestori Howard, Jr., P.E., Director
Division of Water Quality
By Authority of the Environmental Management Commission
Permit Number WQ0006028
4

I
3'
7800
•fE
NEV
J } t 35' 52'30".
79'07'30" 670 671 11C
41
5
Mapped, edited, and published by the Geological Survey
4g�
in cooperation with the State of North Carolina agencies
Control by USGS, NOSINOAA, and North Carolina Geodetic Survey
Planimetry by photogrammetric methods from aerial photographs
Topography by planetable surveys 1946. Revised from aerial
photographs taken 1972. Field checked 1974
Polyconic projection. 10,000-foot grid ticks based on North
Carolina coordinate system (Lambert conformal con,ic). 1000-meter
Universal Transverse Mercator grid ticks, zone 17, shown in blue
1927 North American Daturr. To place on the predicted North
American Datum 1983 move the projection lines 11 meters
south and 22 meters west as shown by dashed corner ticks
Red tint indicates areas in which only landmark buildings are shown
Areas covered by dashed light -blue pattern are subject to
controlled inundation to 240 feet
MN
GN
I
98 MILS: i 7.08'
i .2o MILS
UTM GRID AND 1981 MAGNETIC NORTH
DECLINATION AT CENTER OF SHEET
Revisions shown in purple and woodland compiled in
cooperation with State of North Carolina agencies fran
aerial photographs taken 198C and other sources. Ti
information not field checked. Map edited 1981
D., I� +ir,+ inrlirstcr avfancinn of rlrhnn 31rpAS

RATING SCALE -FOR CLASSIFICATION OF WATER POLLUTION CONTROL SYSTEMS
-te of Facility: C'1
e ajS
Uwner or Contact Person: r. C-*cy"L t `. -1AAc C_, zM _
Mailing -Address: l P-,
County: A
Telephone: I $ - -
Present Classlfjca Ion:_ Cl'� ��� " T
_
New Facility Existing Facility—_-z'_
-NPDES-Pef7No. NC00 Nondisc,
Per. No.WQbD, a2 Health Dept.Per No.
Rated by: �jrA:j lt'1 _
Telephone: r L5,-V- on Date: 1f- 1S 1p
Reviewed by,
Health Dept. Telephone:
Regional Office Telephone:5 - v&-;,
_
Central Office Telephone:
ORC- I-) jam-
Grade: felephone:
Check Classifications): Subsurface
�� Spray Irrigation Land Application
-Wastewater Classification. (Circle One) I
it - III IV Total Points:St,ir,� FqM,�� SQ��
LN-Pi ANT PRCX:ESSFS AND RFLATED CCX 17Ra EQUIPMrTIT)�!ucF
I APF AN If ITEGRA.I PART OF uQ 1B Ai EBM JCAl I ITT P,F
CCNSIDERE0WAS TREATMe\Fr FOR THE PU6?QSEOFCl6S51Fr_AT1
N ALSO 5EP]K AhbCSYSTEMS0CN&Snf,*QVt_YO=SEPri TAFLC
ANr) CzRAViTY NfTRIFICATIM I INES ARE EXEMPT FROM Q( 6,SSIF.6TIQ'
-
SPRAY IRRrATON CL.ASSIRCATY.DV
Sl oaURF=ACE ClAS51FiCATON
(check all units that apply)
(check ail units that apply) -
1. septic tanks
1, preliminary Irealmenl (delinition no. 32 }
2. pump tanks
2. lagoons
3, siphon or pump -dosing systems
3.septic lams
sand fillers
4,�pump tanks
!)-grease traprinlercepl.or
5, pumps
6. oil/wafer separators . -
6.I�sand fillers
7. gravity subsurlace treatment and disposal:
7. grease lrapfinterceplor
a. pressure subsurface treatment and disposal:
8, oillwaler separators
9.___;,,.disinfection
10. chemical addition for nuldenllalgae control
irngation'of
I1.=spray wastewater
In addition to the above classifications, .pretreatment of wastewater in excess or these components .shal••
be rated using the- point rating,. system and will require an operator with an appropriale dual certification..
LAN_ D AP PLICATI OhVRES I DUALS CLASSIMATiON (Appries'only to permit holder) _
I. -Land application of biosoiids, residuals or contaminated soils on a designaled site.
WASTEWATER Tr-t- EATMENT FACILITY CLASSIFICATION
The follovring systems shall be assigned a Class I dassiti=ion, trniess the flow is or a significant quanlily or the technology is unusuaily
complex, to require ccnsideratfon by the Commission on a case -by -case basis: (Check if Appropriate)
1. oillwaler Separalor Syslems consisting only of physical separation, pumps and disposal:
2• Septic Tank/sand Filter Syslems consisting only of septic tanks, dosing apparatus, pumps,sand tillers, disinfeclion
end direct discharge;
3- Lagoon Systems consisting only of preliminary treatment, lagoons, pumps, disinfection, necessary chemical treatment ter
algae or nutrient control, and direct discharge;
4. Closed-toop Recycle Systems;
5. Groundwater Remediation Systems consisting only of oillwaler separalors,-purnps, air -stripping, carbon adsorption, disinle-clion
and dispa :31; 7
6.__Aquaculture operations wilh discharge to surface waters;
7. _WaleC Plan[ sludge handling and back•wastt water irealranl;
a __-_Seafood processing consisting of screening and disposal.
9. Single4ami!y discharging systems, with [he exception of Aerobic Treatment Units, will be ct2ssilied if permiii&& at'.er July 1,
1993 or if upon inspection by the Division, it is found that she system is not being adequately operated or maintained. Such
systems will b�_ notiiied of the cr2scilication or reclassification by tho Cormission, in writing.

The following
,scale is
used for rating wastewater treatment facilities: (circle appropria,',e points)
MEM POINTS
(t)
Industrial Protroatmoru Units or lndusjrial Pretroatmont program (see dollnhlan No. 93)_-_ __ ,_.�. ................».„...„..__4
(2)
DESIGN FLOW OF PLANT IN gpd [not appticablo to non-contarrhated cooling water%. chrdgo handling facilkias for
water purilication plants• tolaliy closed cycle systams(sae_dalinaion No. 11). and faciihies ccnsisling only of hem
(4)(d) or
hams.(4)(d) and (11)(d)) _ -
- -
0 - 20,000_...»__»......... »_:„........__.._......................... ...„........-••......__ .....„......„.._.....„....................._...
20,001 - 50,000..........................»_.....»._............. ---..........„....._..... ............,.„......:.........»._.......„..„._�
100,001 - 250.000..„..._.„:...--•»..-..__._....»..-••••................... „„.....r .....,.... _..... ,»........... _„.»._....4
250.001 - 500.000..................... ._-•...-...............
..........:..».„.....:....-.__..................... _................ 8
— ...........................:. „_. _....._i 0
2.000.001 (and up) role' i pald additional for each 20Q0o0 gpd capacity up to a maximum of
-
Design Flaw (gpd)
(3)
PR-cUMNARYLSNrrSIPROOESSES(seederiMionNo.32)
(a)
BarScreaas ............... ............... �
or -
"
(b)
Merhanical Screens, Static Scream or Comminuting
(c)
Grit Aarrxrrl[»-_._ �_» �- --^.__... .- - - -.-... _ ........ ^ ._.. _ _ _.........„..__......1
or _
'(d)
Mechanical orAerated Grit Removal..- ____'_„._ --------- 2
(a)
Flaw Naasuring Dais- _ _„ ..... ... .. .. „._._.� .»„..._...„ ._ 1
or
(f) _
Instrumented Flow hieasuramenL..»
WPreaeratIon
.......... » .................... »»».»......_........__.........:...»___.. »._..._...._._..» - -••-_z
(h)
Inlluent Flow Equaraation- -------- »__—_
Grease or Oil Separators - Gravily__»—. _.__. „_„. „r......... 2
Mechanical ............. ..... _...--_.......................... ..... .._......................... -......... ... ............... .... ......... .. .S
Dissotvad Air Flotation .......... ......... __ •_......._.»....„.._„.„ ..........„,.__ - - - - - - -- -S
Prechlorination................................... ---.....-----........................__� _....„. „..»... ........... »....w.5
(4)
PRIMARY TREATMENTLNFrS+PFCCESSFS
(a)
Septic 'Tank (sea definition No.
(b)
Imhoff -ran)t-.„-•------- -- - ----•._.„.,.................. ... ....... ..„ ......._......._.-_.._......
(c)
Primary Clarifiers....... - -.......................... -----.._..._r_....
(d)
Settling Ponds or Searing Tanks for Inoegaric Nontoxic Materials (sludge handlirxj facilities for water
purfficalion playas, card• gravel, stone, and orhar minima oporalions except recreational activities such ac gem
orgold mining) ....... •-....... ....................................................
(5)
SEct)Na4n'•YiREATm-- TuvtSmFo-ESSES
(a)
Carbonaceous Stage
(I) Aeration-Kttgh Purity Oxygen Sysem_._____._„._-_» .._._._ _-_...... ....„_.._..„. 20
DiilusadAir System._..............................._.................„.... ._ »....... .....---••_ _„10
Mechanical Air System (lined, floating or
Separate Sludge . ....... ................... „._..
(ii) TricidingPiiker
HighRate........ „.»..-..„„. .....,.......... ... „..... __. _ .�_.._-._ .__..._..
standard Rate ...... ._....._..................4.................... ..._ �. ..„.»,.»... ._-..._.._
Packed Tower .._...... .................................................... -__� �_ _. »_.„ „..-_. ».S
(iii) eiologlcal Aerated FF., r or Aerated 8iologlcal Mher __ ' " . 10 '
(iv) Aerated Lagoons....... _......._........ »_».... .-...... .... _10
(v) - Rotating Biological CanlaGors... ._ _ ... »»- __ ._-._ r .....» ... _ ».„.». „.1 0
.:
(vi) Sand Fillers •inlarniltenl
Recirculating biological�............. ................. .„.-.-„...... ------ ...„---..............-._.----•_..3
tuff} StabtllxsCton Lagoons„.„......»...._.„..........._»....,--^•-•-----------•»_._........_.........•..........
C.artar...........................................................................................................
Ox] Single slags system for combined carbonaceous removal of BOO and nitrogenous removal by
nitrification (see definition No. 12)(Painls for this item hats to be in addition to items
(5)(a](i) through {5)(a)(vut}•
utilizing the extended aention process {sea definition No.3a}
utilizing other than the extended aeration process......--.__.-.:.»- _................. _�__.8
"
(x) Nutrient addhions to enhance SOD removal_ .................... -.-------.-.-_-_--**.._........_.__.S
(xf) Biological Culture ("Super Bugs')addition....„..._..._.... ...5
(b)
Nitrogenous Stage ,
:.
(1) Aeration - 1•figh Purcy Oxygen Systom.......................... 0
Ditfused Air System..„._.„...................................•......_-•--•—••---------•......._............„....1 0
_
Mechanical Air System (lixed, floating or ....„..................a
Separate Sludge Reaeration.,.................................. „.. -^------ -------- --_-----•--_.._._. 3
............ ...... -.....7
(if) Trickling Filter•I-ilgif Rate ................................. ... ............ -..... „._.._.:......
StandardRate.. .................. .........................................•-------^•--•....._....„_...._:...........5
Packed Tower.-........__ ...... „................................. ..._.-........ -.-... -_............. 5
(ITt) Biological Aerated Fiber or Aaraled Biological
(IV) isolating Biologics) Gonlaclars.......................... .......... ..._.»....................... ............... 10
(v) Sand Filter • Intermittent biological ........... ....... ................ ...._-.„............................. 2
Flacirculaling biological ........ ».......................... ................. _....... -... I-- ..................... ....
(vi) Ctar«gr............. ......................................... .... ._.... ........ ....................................... 5
(5)
TERTARYORAfJVAAfCED7AcATMr,�YTLN17'StpFfJGE,c.5c5
(a)
Activased Carbon Bads -
without carbon regeneration -__.»............................... „....-----....... ... .-„............. ....5
with carbon regeneration .......... „................................................. -_.:_.:.......................... .....1 S
(b)
Powdered or GranularAc0yalad Carbon FEad-
%iihoul carbon feganeralion.„„............ ................................... -._-•.»_........... .......................
:.'
with carbon reganeraf)on................. .......1 5
(c)
Air stripping ........................ ........... ................................................ ...... ... ... -,. .. ... ..............
(d)
Dorthrilicuion Procoss....„............................................... ............. „.............. ........................................ A r
(a)
Elecirodialysis..............................................................,.......................--......_..„................._.........
(1)
Foam Separatior.............„.----._..._.........-....„..---....„......---......._---...........-----•..,-_-......._...........„...... ,... _
(o)
Ion Exchango.................. ....... ................................. ..................................................................... ..--.__,_.-.5
(h)
Land Application of Trealod Ertlu&N (sos do.'in-rion No. 22b) (nai applicable lot sand• gravel, clone
and odor similar mining oporalions) b; high raja infiltration ...... .... - - ----------------- ---••••---- ---..
O)
Microzcroons........................................ -................_........................_..._........_............................--.5
(1)
PFaspMrocs Flac:owd by 8lolcgfcal PuXOssas (Sao doflniilon No. 2D)...... ...... ....... ............................ -....20
(h.)
Polishing Ponds - without aeration ..... ............................................... ........................ .............2
•
Wtiin Aaratiofk............................................._.................._..........................._......_..._...4

(I)
Post Aoralien - cascade ........................................................................................................ ...a
dlliusod or mechanical.._ ................................. »............ .......................... .......................... .2
(m)
Rovorso Osmosis .................. ... ... .......... ..................................... ............... ....................... .....................
(n)
..............._......... ....... ........ „..........„..._........2
Sand or Mixod-€Viodta Filters - low rate .....».-----....high
rala..
..5
(o)
Treatment protases far removal o1 maial or cyanide.: .............. ........... ........»...................„...._..............1 5
[p)
Irealment processes for, removal a[ IOX)a materials other Than moral or cyanide, _. „„_.,._,,,_�-••— -_t 5
(7)
SU_K)GETREATMENi »
a
S(ud a Digestion Tank Healed anaerobic
Aerobic .............. .......................... ..... _........... ......... •-•............».........................._.
••--........ ......3
Unheated (anaerobic)
(b)
Sludge Stabilization(ehemicalorthermal).................»....
(e} .
Sludge Drying Bes=Gravil y..... .... _..... ........... .............-._........................._.........._...::................. s
:
vacuum Assisted ........... .................................. .................._....._....» .... ....._. .......
(d) (d)
Sludge Elvirialion-._.....................................»......._....._..............................._..........................................5
(e)
Sludge Conditioner (chemical or thermal)......•..._....................�...............». „._.».».„....---•,.. -.. 3
'
I
Slud o Thickener ravit
Dlssolvod Air Flotation Unit {not appticable to a unit raisd as(3)(i)).............................._.......... __ _ 8
h
Sludge Gas Utilization (including as storage)._.
l
(1)
Sludge Holding Tank - Ae.aled......... _................. ... s
Narraaral........... ............. ». .. ........ ».. - ....._............»....»...._ ........
Sludge Incinerator (nol Including activated carbon ragsneralion)................................................................10
(k)
Vacuum Filter, Centrifuge, or Filler Press or other similar dewaterinp
j (a)
RESIDUALS UTILIZATION/DISPOSAL (;trdudirtg irewvrated ash)
(a)
Lagoons...._ ................ ..... ..... ..... .......................... ..... .......................... »....... ........ _........................ 2
(b)
Land Apprication (surface and subsurface) (see deriMion 22a)
by contracting to a land appication operator or landfill operator who holds the land application permit
orlandfill parmil..................... ..... ....... ..................... ......................... ....:........... _................................. 2
(c)
Dedicated Landfill(burial) by the parmitlee of the wastewater treatment. 12cility_.-..»._.._».,.....-._..-.-.._......5
(a)
Chlorination ................ »... ......... ..... ..... ................... ._..... »..... ..—----- --------- -------....-------..._........._.......3
(b)
Dechlorinalion...........................•---.............................................._...................._..--...................7— .......... 5
(c)
Ozone.._....................................................................................................»._....-_.................................5
(d)
Radiation..--..............:......__.-._.._........._............_........................_......•--....................................................3
j - (1 0)
CHEMICAL ADDITION SYSTEMS) ( see definition No. 9) (not applicable to chemical additfam rated as hem (3)0),
(6)(o,), (5)(b). (7)(b), (7)(e), (9a), (9)(b) or (9)(c) 5 points each: '
List.....................
.................................... _.„ .............................. ;.......................................3
.................... ....... ..-.................... _.................... .................. ............... ........................ 5
.........................-............ _......,......._............................ _.... _.. _.......... _....... _........................5
:................. .......»..................... _..... _......_. _........ _............._........ _... _.......-................... 5
(1 1)
mute i.ANECUS UNI EWR—OCESSES
(a)
Holding Ponds. Holding Tanks or Sealing Ponds for Organic or To. irSaterals including wastes from mining
operations containing nitrogen or phosphorus compounds In amounts significarnly greater than Is common
for domestic wastewater ........ ......................... ....._.............................•..».••-»_..............-„.. 4
(b)
Effluent Flow Equalization (ml applicable to storage basins which are inheront In land appflCalian ays18ms).....2
[c)
Stage Discharge (not applicable to storage basins inherent In land application systems)___—_ ,-».--„...�...-.5
(d)
Pumps .................................... .............. ........................................... ......... ....—_......... ,......-....,............
(a)
Slond-By Power Supply ......................................... - ............. ........ .....
(1)
Thermal Pollv0on Control Device ........ ................... _.._..................».»_..........».......................................3
TOTAL POINTS .......... ........ ............... ... _ . _.... » ....»
CLAc.SIF):ATKDV -
ClamI ....................... .........................................................................„. .. '.u25 Points ..
Class. 11............................ .... .26.5o Points :
Classin ............ ................................................. ...... .„................. ...... ----..-51.65 Points
Class IV ..................... .................... ............. _...----.......... .................... ..... fi6-Up Poirtts
------,....-------------------•--------._._.__.--- _---------- -------------
Facilities having a rating of one through ,lour points, Inclusive, do not require a cartiliod operator. "
Facilities having an activated sludge process wi& be 7s.signed-a minimum classification or Class It.
Facilities having treatment processes for the remcval of metal or cyanide wl1 be assigned a minimum classification of Class It..
Facilities having treatrnerd processes for the biological removal of phosphorus will be assigned a minimum cl=s fr.allon of Class Ill.
=4 DEFlNrTIa%JS
The following definitions shall apply throughout this Subchaplar.
(1) Activated Carbon Beds. A physicallchemica[ arthad for mduciN soluble organic material Irom wastewater ellluern• The column -type bads used in this
method veill have a flow we varying from two to eight gallons per minute per square foot and may be either upflow or downflow carbon beds. Carbon mz•r
may not be regan;imzvd on the wastewater treatmam plant site;
(2) Aerated Lagoons. A basin in which all solids are mainlained in suspension and by which biological oxidation or organic matter fs reduced through anifica
accelerated -transfer of oxygen on a flow -through basis;
(2) Aeration. A process of bringing about Intimate contact between air or high purity oxygen In a liquid by spraying, agitation or &Husian;(3a) FxtandE-d
Aeration. An activated sludge process utilizing a minimum hydraulic dotenlion lime of 16 hours-
(t) Agricullurally managed she. Any sire on which a crop is produced, managed, and harvested (Crop includes grasses, grains, frees, ere.):
(5) Air Stripping. A process by which the ammonium lon is first converted to dissolved ammonia (pH adjustment) with the ammonia then ralaased to the
atmosphere by physical means; or other similar processes which remove petroleum products such as benzene, toluene, and xylene;
(6) Carbon Ra2en9ratfon. The regeneratlon of exhausted carbon by tYA use of a Iurnace to provide extremely high temperatures which volatilize and oxidizr
absorbed impurities; '
(7) Carbenaceous Stage. A st*ge al wastewater trealment designed 1_ achieve; secondary' effluent limits;
(e) Centriluge. A mechanical device in which centrifugal lorce is used to separate solids from liquids or to separale fiouids of different dansF3s;
(9) Chemical Addiilon Sysioms- The addition of chamfcal(s) to waslawa;er at an application perm for purposes of Improving solids removal, pH adjustment.
alkalinity control, etc.- the capability to exparmont with different chemicals and Cllarenl application points to achieve a specific resuh will bo considered ono
system; the capability to add chemical(s) to dual units will be ratod as ons syslon; capability to add a chemical at a diflorenl application points for dil:oront
purposes wilt ressll in the systems being rated as separate syster-s;
(10) Cl)zmical Sludge Conditioning. Tho addition of a chemical compound su^,h as lino, ferric chloride, or a polymer to reel sludge to coalosce Iho r..:ss pri:
its 2aplication to a dawatering device;
it 1) Closed Cycla Sysloms. Use at holding ponds or holdl g tan%s for containment or walfowalor eon:wining inorgank, nen•laxtc materials from sand. 9-
cr•shod stona or c:tBr;rout» cpoea:izns. Such systoms shall carry z maximum of two points rsgcrdlos- cf pumping ;acif;lir or any other a;,aurl—r-cos;
(12) Carnbinad Sonrx-al or Caraorsccous BOD17rvd Nhrogonovs Floe -oval by Ni:rif;catlon. A sin.,ie sago syuam roauired to adiixva per.^rut otfluont 14mia on 5,
2rU ammonia neroyen .vkhEm lhr samo biological roactor,
(t') C6ctdorinaliun. The parties or eompleto roc=ien of rasldual c`.:orine in a liquid by any c?%timjcai or ply -kcal proeass:
(14) 0"i:.iliealion Piocoss. The canvorsian of nitralo-nitrogen 10 nitragon gas;

(15) €loctrodialysls. Prlcais for removing fonlzad sails from water through the use of ion salective Ion -exchange membranes;
(16) Filler Pro&$. A process operated mechanically for partially dowatoring sludgo.
(17) Foam Separation. The planned frothing of wastewater or wastewater effluent as a means of removing oxcassive amounts of datorgant materials through
the introduction of air In the form or fine bubbles; also called loam fractionation; _
(18) Grit Removal. -The pnacoss of removing grit and other heavy mineral matter from wastewater,
(19) Imhoff Tani_ A deep two story wastewater lank consisting of an upper sedlmontation chamber and a lower sludge digasilorl chamber.
(20) Instrumented Flow Measuramant. A device which Ir>dcatas and records rate of flaw;
(21) Ion Exchange. A chemical process In which Ions from two ditforerd molecules are exchangod:
(-z2) land application:
(z) Sludge Disposal. A Final sludge daposaf method by which wet sludge may be applied to land either by spraying on the surface or by subsurface injection
(i.e., chisel plow); (not applicable for types of sludge described In (11) of this Rule);
(b) Treated Effluent. -Tho process of spraying ireatod wastowalar onto a lard areaa of other'mothods of application of wastevntgr onto a land area as a
Mears of final disposal or imatmerrt; -
(T3) Kcroscuaen..A low speed, continuously back -washed, rotating drum Cher operating under gravity conditions as a polishing method for removing
suspended solids from effluent;
(Z•t) Mttrilicathon Process. -The biochemical conversion of unoxidized nitrogen (ammonia and organic nitrogen) to oxidized nitrogen (usually n;trate):
(25) Nitrogenous Stago. A saparate stage of tvaslowatar Ireatmont designed for the specific purpose of converting ammonia nitrogen to nhtrate nitrogen:
pq Phosphate Removal, Biological. The removal of phosphorus from wastewater by an axle/anoxle process designed to enhance luxury uptake oI phosphorus
by the rnicrvarganisrns; ........... ..... .
(Z7) Polishing Pond. A holding pond following secondary treatment with sufficient detention time to allow slinling or finely suspended sands;
(26) Post Aeration. Aeration following conventional secondary treatment units to Increase effluent D.O. or for any other purpose;
(29) Post Aeration. (Cascade) A polishing method by which dissolved oxygen is added to the elfluert by a nonmechanical, gravity means of Ifowing down a
series o; steps or weirs; The flow occurring across the steps or wairs moves in a fairly thin layer and the operation of the cascade requires no operator
adjustment; thus, zero points are assigned even though this Is an essenlial stop to meeting the limits or The discharge perch;
(30) Powdered to Granular Aaivaisd Carbon Feed. A biophysical carbon process ahas utilizes biological aaivny and organic absorption by using powdered or
granular activated carbon; Virgin or regenerated carbon Is food controlled into the system;
(31) Pfe7er2tiorL A tank constructed to provide aeration prior to primary treatment;.
(32) Preliminary Uniis. Unit operations In the Irsaimera process, such as screening and comminution, that pfepare the Lquor for subsequent major operations;
(33) Industrial Prolreaiment.
(a) Pre-efeatmant Urtit, Industrial. The eondiiionfng or a waste at its source before discharge, to rar1'13va or to neulrAras substarr-as In(urious to sawars and
traumert processes or to efiod a partial reduction In load an the treatment process which Is operated by the same governing body as the wastewater
Irealmeril plant being ralsd:
b) Pra-lrsatmenr Program, Industrial - must be a State or EPA required program to receive points on the rating sheet-,
(34) Primary Clarifiers. The firs[ sending tanks through which wastewater is passed in a treatment. works for the purpose of removing satileab;e and suspended
scAds and ROD which is associated with the solids;
(35)-Pumps. Ak! influent. effluent and in -plant pumps:
(36) Radialion. Disinfection or sterilization process utilizing devices emtting uhmvialol or gamma rays;
(37) Rovarsa Osmosis- A treatment process In which a heavy contaminated liquid is pressurized through a membrane IormIng hearty pure liquid Iree from
suspended solids;
(38) Rotating Biological Contractors- A fixed biological growth process in which wastewater Rows through tanks In which a series of partially submerged circular
surfaces are rotated;
(39) Sand Filters:
(a) Intermittent Biological. Filtration of effluent following septic Tanks, lagoons, or some other treatment process In which further biodecmposhion is
expociod to produce desired effluents: Hydraulic loading fates on these filters are computed In gpd/ac and have a resulting tow garrvsl (lass than one):
b) Recirculating biological- lho ramo type of sand filter as defined In Subparagraph (39) (a) at this Sure with the added capab;tity to mcyc!a aft tism back
through the sand ffhsr,
(401 Sand or Mixed -Media Filters- A polishing process by which effluent limits are achieved through a lusher reducifon of suspended =Flds:
(a) low rain - gravity hydraulically loaded filler with loading rates in tho one to three gprrvsf fangs;
(b) feigh rate - a pressure, hydraulically loaded filter with loading rates in the five gpmisf range; AT any rate, the loading rate wilt sacoad three gpm1si:
(41) Srcondary Clariliers. A tank which follows the biological unit of treatment plant and which has the purpose of removing sludges associated with the
b;alogical treatment Wills-
(42) Separate Sludge Reasr-.tioa A pan of the contact stabilhzation process where the activated sludge is imnslerrod to a tank and aerated before returning h
to the contact basin:
(43) Septic Tank- A single -story seltf;ng tank in which settled sludge is in contact with the wastewater flawing through the tank-, shall not be applicable tar
septic tank systems serving single family tssiciancas having capacity of 2.000 gallons or less which ddscharga to a nitrification liieu:
(44) Sludge Digeslhon. The process by which organic or vofalile matter and sludge is gasified, liquefied, mineralized or convened into more stable organic matter
through the activity of living organisms, which Includes aerated holding tanks;
(45) Sludge Drying Hods. An area comprising natural or artificial layers of porous materials upon which digested sewage sludge Is dried by drainage and
evaporation-,-
(4s) Sludge Elutrialicn. A process of sludge conditioning In which certain constituents are removed by successive washings with fresh water or plara effluent:
(47) Sludge Gas Ulilizatioft The process or using sewage gas for the purpose or healing buildings, driving engines, etc.;
(48) Sludge Holding Tank (Aerated and Nonaarated). A lank utilized for small wastewater treatment plants not containing a dlgestar In which sludge may be
kept fresh, and supernatant withdrawn prior to a drying method (i.o. sludge drying beds): This may be'done by -adding a small amount of air simply to keep the
sludge fresh, but not nocassirily an amount that would be required to achieve stabilization of organic matter. A nonaeratsd lank would.simply be used in.
decant sludge prior to dowatering and would not allow long periods (several days of detention) without resulting odor problems;
(49) Sludge Incinerators. A furnace designed to burn sludge and to remove all moislura and combustible materials and reduce the sludge to a sterile ash;
(50) Sludge StabMization (Chemirat or Thermal).' A process to make treated sludge less odorous and putresciola, and to reduce the pathogenic organism
content; This may be Bono by pH adjustment, chlorine dazing• or by heat treatment;
(51) Sludge Thickener..A type of sedimentation lank In which the sludge is permitted to setila 'and thicken througtiagitation and gravity;
(52) Stabilization fagcarL A type of oxidation lagoon in which biological oxidation of organic matter Is eHacled by natural transfer of oxygen to the water from
air (not a polishing pond);
(57) Saand-8y Power Supply_ On site or portable efoctrical generating equipment;
(54) Stalic Screens. A stationary screen designed to remove solids, including norrbiodegradable particulata (floalable solids, suspended solids and 601)
reduction) Irom municipal and industrial wastewater treatment systems- ;
(55) Tertiary Traatment. A stage of treatment fallowing secondary which is primarily for the purpose of elfluent polishing: A settling lagoon or sand or coat fiifor
might be emoloyed for this purpose:
(56) Thermal Pollution Control Device- A device providing for the transfer of hezi from a fluid (lowing In tubas to anolhar fluid outside The tubes, or vice versa:
or other maam of regulating liquid lomporatures;
(571 Thermal Sludge Conditioner. A conditioning process by which heat Is added for a protracted period of Ume to improve the devretsrabiGty of sludge by the
solubilizing and hydrauCrzing or the smalfor and more highly hydrated sludge particles;
(58) Toxic Materials- Thasa wastes or combinations or waslas, Inctudirg dtsease•causlN agerris which after discharge and upon axpcsure,Sngeys.tion. Inhalation
or assimilation into arty organism, either directly from the environment or indirectly by ingestioa through food rhafrs, will cayso death, d,saasa, bfiyaviafal
abnormalities, career, genetic mutations. physiological malfunctions (Including malfunctions in reproduction) or physical deformations. In suc4 organisms or their
ollsprino; Toxic materias inhido, by lvay of illustration and nat limitation lead, cadmium, chromium, mercury, vanadium, arsenic. zinc, 0r ho-nitro-chfarobenzere
(ONCS), polychlorfnased biphanyls (PCBs; and dichlorod',rhanyl ldtchloroothane (DDT); and any other materials that have or may hereafter be determined 10 have
toxic properties; t
(59) Trickling Filler. A biological Treatment unit consisting of a material such as broken stone or rock over which waslawalar is dislnbuled- A high rate trickling
filter is ono which operztea at between 10 and 30 mgd per acro. A low rats Trickling tiller is one which is designed to operate at ono to four rgd per aua-
(60) Trickling Filter (Packed Towar). A plug flow type of operar;on in which rtastewrlsr flaws down through successive layers of madia or filtrate malerial• Organs
rnatari.-.l Is removed c-imhuatty by the active blological r=ed geowih in each successive layer. This method may produce "socondwy' quar.;y olnuanc, or may be
zdap.rd to produco c nitr1ed ellluonr;
,61) Vacuum F:1;Dr• Cantrifups, or Filter Presses. Dodsces which are dssie::_� sa ronnvo excess water Iran)oithnr diresrad or umll;P d sluts. prier to dis,�aszl
Of furhor Irsaimarit. -

OPERATION AND MAINTENANCE AGREEMENT FOR THE
DIVISION OF WATER QUALITY
Mr. George McCall t�
201 Stoneybrook Road
Chapel Hill, North Carolina 27516
Single Family Residence Wastewater Treatment System
Final Disposal by Spray Irrigation
Permit No. WQ0006028
Orange County =
1 agree to operate and maintain the wastewater treatment system as follows:
1. 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 t arl—k shall be checked every six (6) months and pumped out as required.
b. The tablet chlorinator shall be checked every week until the actual usage rate is
established and thence on a monthly basis. Tablets shall be added so as to provide
proper chlorination.
c. The storage system, pump system, and alarm system shall be inspected monthly.
The scum layer shall be removed at the same interval as the septic tank is cleaned
out.
d. The spray system shall be inspected monthly to make certain of the sprayers proper
operation, that the vegetative growth allows proper spray patterns, that the soil is
absorbing the, disposed treated wastewater with no surface runoff, and that no
objectionable odors are being generated.
2. Failure of the Permittee to properly operate this system is subject to a penalty up to $10,000
per day.
3. Failure to meet permit conditions or violation of the State's surface or groundwater
regulations will require cessation of occupancy of the residence.
I understand that failure to comply with these conditions along with the permit conditions may result in
voiding the permit.
Signature: L �' " f Date: Ic 2
Ge r e McCall
Notary Seal
Notary Signature:61
^- Date: /'0 "a 9
r
- r a �a -aoai