WQ0005959_Final Permit_19920325

State of North Carolina
Department of Environment, Health and Natural Resources
Division of Environmental Management
512 North Salisbury Street • Raleigh, North Carolina 27611
James G. Martin, Governor George T. Everett, Ph.D
William W. Cobey, Jr., secretary Director
March 25, 1992
Mr. Yuan -Shen Huang, Managing Partner
South Park Thirty
1919 White Plains Road
Chapel Hill, N. C. 27514
Subject: Permit No. WQ0005959
Name Change and Renewal
South Park Thirty
Motel and Restaurant
Wastewater Spray Irrigation
Orange County
Dear Mr. Huang
In accordance with your application received on December 18, 1991, for a name change and for
renewal, we are forwarding herewith Permit No. WQ0005959 dated March 25, 1992, to South Park
Thirty (formerly Watts Motel) for the operation of the subject wastewater spray irrigation facilities.
This permit shall be effective from the date of issuance until February 28, 1997, shall void permit
No. 14451, which was issued on March 26, 1987, 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 to you, you have
the right to request an adjudicatory hearing upon written request within 30 days following receipt of this
permit. This request must be in the form of a written petition, conforming to Chapter 150B of 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.
Regional Offices
Asheville Fayetteville Mooresville Raleigh Washington Wilmington Winston-Salem
704/251-6208 919/486-1541 704/663-1699 9191733-2314 919/946-6481 919/395-3900 919/896-7007
Pollution Prevention Pays
P.O. Box 29535, Raleigh, North Carolina 27626-0535 Telephone [phone]
An Equal Opportunity Affirmative Action Employer

Mr. Yuan -Shen Huang
March 25, 1992
Page 2
If you need additional information concerning this matter, please contact Mr. Randy Jones at 919/
733-5083.
Sincerely,
George Everett
cc: Orange County Health Department
Raleigh Regional Office, Water Quality
Raleigh Regional Office, Groundwater
Groundwater Section, Jack Floyd
Training and Certification Unit
Facilities Assessment Unit

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
South Park Thirty
Orange County
FOR THE
continued operation of a 1600 GPD wastewater spray irrigation system which consists of a 500 gallon
grease trap, a 3000 gallon septic tank, a 1120 square foot subsurface sand filter, a 180 gallon chlorine
contact tank, a tablet chlorinator, a 14,000 gallon pump tank with a 36 GPM pump, 625 linear feet of 1.5
inch force main, a 0.43 acre spray irrigation field, and all associated piping, valves, sprinklers, and
appurtenances to serve the South Park Thirty Motel and Restaurant with no discharge of wastes to the
surface waters, pursuant to the application received on December 18, 1991, and in conformity with the
project plan, specifications, and other supporting data subsequently filets 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 February 28, 1997, shall void permit
No. 14451, which was issued on March 26, 1987, and shall be subject to the following specified
conditions and limitations:
I. PERFORMANCE STANDARDS
1. The Raleigh Regional Office, phone no. 919/571-4700, shall be notified at least forty-eight
(48) hours in advance of operation of the reopened 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.
2. 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 absorb the wastewater, the Pemuttee shall take such immediate
corrective action to correct the problem, including actions as may be required by the
Division of Environmental Management.
3. 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.

4. The sludge generated from these treatment facilities must be disposed of in accordance with
General Statute 143-215.1 and in a manner approved by the North Carolina Division of
Environmental Management.
5. Diversion or bypassing of the untreated wastewater from the treatment facilities is
prohibited.
6. The following buffers shall be maintained for any newly constructed facilities; however,
the buffers that were applicable at the time of system design shall be applicable for the
existing facilities:
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,
g) 50 feet between wastewater treatment units and property lines.
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 of the
wastewater treatment facilities. The operator must hold a certificate of the type and grade at
least equivalent to the classification assigned to the wastewater treatment facilities by the
Certification Commission. 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 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 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) 0.75 inches per week and b) 0.25 inches per hour.
8. No type of wastewater other than that from the South Park Thirty Motel and Restaurant
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. Public access to the land application sites shall be controlled during active site use. Such
controls may include the posting of signs showing the activities being conducted at each
site.
2

Any monitoring (including groundwater, surface water, soil or plant tissue analyses)
deemed necessary by the Division of Environmental Management to insure surface and
ground water protection will be established and an acceptable sampling reporting schedule
shall be followed.
2. Adequate records shall be maintained by the Permittee tracking the amount of wastewater
disposed. These records shall include, but are not necessarily limited to the following
information:
a) date of irrigation,
b) volume of wastewater irrigated,
c) field irrigated,
d) length of time field is irrigated,
e) continuous weekly, monthly, and year-to-date hydraulic (inches/acre) loadings for
each field,
f) weather conditions, and
g) maintenance of cover crops.
3. The effluent from the subject facilities shall be monitored by the Permittee at the point prior
to irrigation every March, July, and November for the following parameters:
BODS TSS
Fecal Coliform pH
NH3 as N
4. Three copies of all operation and disposal records (as specified in condition III 2) and all
effluent monitoring data (as specified in condition 11I 3) and any other data as may be
required shall be submitted on or before the last day of the following month to the
following address:
NC Division of Environmental Management
Water Quality Section
Facility Assessment Unit
PO Box 29535
Raleigh, NC 27626-0535
5. Noncompliance Notification:
The Perrnittee shall report by telephone to the Raleigh Regional Office, telephone no.
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 occurrence at the wastewater treatment facility which results in the treatment of
significant amounts of wastes which are abnormal in quantity or characteristic, such
as the dumping of the contents of a sludge digester; the known passage of a slug of
hazardous substance through the facility; or any other unusual circumstances.
b. Any process unit failure, due to known or unknown reasons, that render the facility
incapable of adequate wastewater treatment such as mechanical or electrical failures
of pumps, aerators, compressors, etc.
3

IV.
C. Any failure of a pumping station, sewer line, 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.
d. Any time that self -monitoring information indicates that the facility has gone out of
compliance with its permit limitations.
Persons reporting such occurrences by telephone shall also file a written report in letter
form within 15 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.
1. The two existing monitor wells shall be sampled every March, July, and November for the
following parameters:
NO3
TUC
Ammonia Nitrogen
Water Level
Total Suspended Solids
Volatile Organic Compounds -
TDS
pH
Chloride
Fecal Coliforms
In November only ( by Method 1 or Method 2
below)
Method 1: Method 6230D ( Capillary - Column), "Standard Methods for the
Examination of Water and Wastewater", 17th edition, 1989
Method 2: Method 502.2 " Methods for the Determination of Organic Compounds
in Drinking Water", United States Environmental Protection Agency -
600/4-88/039
The measurement of water level must be made prior to sampling for the remaining
parameters.
The measuring points (top of well casing) of all monitoring wells shall be surveyed to
provide relative elevations of the measuring point for each of the monitoring wells. The
depth of water in each well shall be measured from the surveyed point on the top of the
casing.
If TOC concentrations greater than 10 mg/1 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.
If any volatile organic compounds are detected by method 6230D, or the equivalent method
502.2, then EPA methods 604 and 611 must also be run to detect other organic compounds
which may be present. The results of all analysis specified in the monitoring requirements,
including 604 and 611 if required, must be submitted simultaneously.
4

The results of the sampling and analysis shall be sent to the N.C. Division of
Environmental Management on Form GW-59 (Compliance Monitoring Report Form) every
April, August, and December.
2. The Complial3ce BouLldary delineated on the attached site plan for the disposal system is
specked by regulations in 15A NCAC 2L, Groundwater Classifications and Standards.
An exceedance of Groundwater Quality Standards beyond the Compliance Boundary is
subject to penalty provisions applicable under General Statute 143-215.6(1)a. The sale of
property, by the Permittee, which is within or contiguous to the disposal system site may
alter location of the Compliance Boundary.
For facilities permitted on or after December 30, 1983, the Compliance Boundary is
established at the lesser of 250 feet from the perimeter of the waste disposal area or 50 feet
within the property boundary.
If the title to any property which may affect the location of the Compliance Boundary is
changed, the permittee shall notify the Division Director within 14 days. The Director shall
then establish a modified Compliance Boundary which will be done as a modification to the
Permit.
The REVIEW BOUNDARY delineated on the attached site map for the disposal system is
specified by regulations in 15A NCAC 2L, Groundwater Classifications and Standards. A
REVIEW BOUNDARY is established around disposal systems midway between the
Compliance Boundary and the perimeter of the waste disposal area. When the
concentration of any substance equals or exceeds the maximum allowable concentration of
that substance at the REVIEW BOUNDARY, as determined by monitoring, the permittee
shall either (i) demonstrate, through predictive calculations or modeling, that natural site
conditions, facility design and operational controls will prevent a violation of standards at
the Compliance Boundary; or, (ii) submit a plan for the alteration of existing site
conditions, facility design or operational controls that will prevent a violation of standards
at the Compliance Boundary, and implement that plan upon its approval by the Director.
3. Any additional groundwater quality monitoring, as deemed necessary by the Division, shall
be provided.
1. Adequate inspection, maintenance, and cleaning shall be provided by the Permittee to
insure proper operation of the subject facilities.
2. The Permittee or his designee shall inspect the wastewater treatment and disposal facilities
to prevent malfunctions and deterioration, operator errors and discharges which may cause
or lead to the release of wastes to the environment, a threat to human health, or a nuisance.
The Permittee shall keep an inspection log or summary including at least the date and time
of inspection, observations made, and any maintenance, repairs, or corrective actions
taken by the Permittee. This log of inspections shall be maintained by the Permittee for a
period of three years from the date of the inspection and shall be made available upon
request to the Division of Environmental Management or other permitting authority.
3. Any duly authorized officer, employee, or representative of the Division of Environmental
Management may, upon presentation of credentials, enter and inspect any property,
premises or place on or related to the disposal site and facility at any reasonable time for the
purpose of determining compliance with this permit; may inspect or copy any records that
must be kept under the terms and conditions of this permit; or may obtain samples of
groundwater, surface water, or leachate.
5

1. This permit shall become voidable unless the facilities are constructed in accordance with
the conditions of this permit, the approved plans, 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 Environmental Management 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. Failure to abide by the conditions and limitations contained in this permit may subject the
Permittee to an enforcement action by the Division of Environmental Management in
accordance with North Carolina General Statute 143-215.6A to 143-215.6C.
5. 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.
6. The annual administering and compliance fee must be paid by the Permittee within thirty
days after being billed by the Division. Failure to pay the fee accordingly may cause the
Division to initiate action to revoke this permit as specified by 15 NCAC 2H .0205 (c)(4).
7. 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.
8. The subject wastewater treatment and disposal facilities shall be connected to an operational
publicly owned wastewater collection system within 180 days of its availability to the
subject facilities, if the subject wastewater treatment or disposal facilities are in
noncompliance with the terms and conditions of this non -discharge permit or the governing
statutes or regulations. Prior to the initiation of these connection activities, appropriate
approval must be received from this Division.
9. The spray area must be fenced to prevent the free passage of children and animals
Permit issued this the 25th day of March, 1992.
NORTH CAROLINA ENVIRONMENTAL MANAGEMENT COMMISSION
tn
George T. Ev ett, Director
Division of E ' onmental Management
By Authority of the Environmental Management Commission
Permit Number WQ0O05959
G

RATING SCALE -FOR CLASSIFICATION OF FACILITIES
Name of Plant: r--A o e �uran�
Owner or Contact Person: Mr. iut�—
Mailing Address:.d
County: Telephone:.919,Z9-d>Z-
NPDES Permit o. NC00 Nondisc. Per. No.1n�Q o00.95`�
IssueDate:.3-0�;'-92 Expiration Date:
Existing Facility y" New Facility
Rated By: }T . �n�Gs _ Date:
Reviewed (Train. & Cert.) Reg. Office,
Reviewed (Train. & Cert.) Central Office
ORC Gracie
Plant Class: (circle one) 0
ITEM POINTS
(1) Industrial Pretreatment Units end/or
Industrial Pretreatment Program
(see definition No. 33)
4
(2) DESIGN FLOW OF PLANT IN GPD
(not applicable to non -contaminated cooling waters, sludge
handling facilities for water purification plants, totally
closed cycle systems (del. No. 11), and facilities
consisting only of Item (4) (d) or Items (4) (d) and (11)
0 -• 20,000 ......................
(d}j
20,001 — 50,000..........................
2
50,001 — 100,000..........................
3
100,001 250,000..........................
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 i point additional for each
200,000 gpd capacity up to a
maximum of 30
Design Flow (gpd) — GP
(3) PRELIMINARY UNITS (see definition no. 32)
(a) Bar Screens ................................
1
or
(b) Mechanical Screens, Static Screens or
Comminuting Devices ........................ 2
(c) Grit Removal ............................... 1
or
(d) Mechanical or Aerated Grit Removal . , ......... 2
(e) Flow Measuring Device ....................... 1
or
(Q Instrumented Flow Measurement .............. 2
(g) Preaeralion ....................... ......... 2
(h) Influent Flow, Equalization ................... 2
(s) Grease or Oil Separators - Gravity ..........
Mechanical ..........
Dissolved Air Flotation. 8
0) Prechlodnation .............................. 5
(4) PRIMARY TREATMENT UNITS
(a) Septic Tank (see definition no. 43) ..............
(b) Imhoff Tank .................................. 5
(c) Primary Cfadliers ....... ..... 5
(d) Settling Ponds or Settling Tanks for Inorganic
Non -toxic Materials (sludge handling facilities
for water purification plants, sand, gravel,
stone, and other mining operations except
recreational activities such as gem or gold
mining) ...................................... 2
11 Ill IV Total Points
(5) SECONDARY TREATMENT UNITS
(a) Carbonaceous Stage
(i)Aeration - High Purity Oxygen System .....
Diffused Air System ...........
Mechanical Air System (fixed,
floating or rotor) ..............
Separate Sludge Reaeralion .....
(H) Trickling Filter
High Rate ...................
Standard Rate ...............
Packed Tower ...............
(W) Biological Aerated Filter or Aerated
Biological Filler ......................
(iv) Aerated Lagoons ..................... .
(v) Rotating Biological Contactors ........ .
(vi) Sand Filters-
inlermittent biological .... .
recirculating biological .... .
(vn) Stabilization Lagoons ...................
(viii)Clarifier - - ....... I ....... ......... .
(ix) Single stage system for combined
carbonaceous removal of BOD and
nitrogenous removal by nitrilication
(see del. No. 12) (Points for this item
have to be in addition to items (5) (a)
0i through (5) (a) (vir'ii) ............ . ... .
(x) Nutrient additions to enhance BOD
removal ...............................
(xi) Biological Culture ('Super Bugs.) addition
to enhance organic compound removal .....
(b) Nitrogenous Stage
(i) Aeration - High Purity Oxygen System .....
Diffused Air System .... _ ..... .
Mechanical Air System (fixed,
floating, or rotor) .... , . ......
Separate Sludge Reaeralion .... .
(ii) Trickling Filter -
High Rate .......... . .. .
Standard Rate ............
Packed Tower............
(iii) Biological Aerated Filler or Aerated
Biological Filter .........................
(iv) Rotating Biological Contactors ............
(v) Sand Filter.
intermittent biological ....... .
recirculating biological ....... .
(vi) Clarifier ................................

(6) TERTIARY OR ADVANCED TREATMENT UNIT
(a)
Activated Carbons Beds -
without carbon regeneration ..................
5
with carbon regeneration ........... ......
is
b)
Powdered or Granular Activated Carbon Feed -
without carbon regeneration .................
5
with carbon regeneration ...................
15
(c)
Air Stripping ..............................
5
(d)
Denitrification Process (separate process) , ....
10
(e)
Electrodialysis ..............................
5
(0
Foam Separation .......................... 5
(g)
ion Exchange . ............ ... .............
5
(h)
Land Application of Treated Effluent
(see definition no. 22b) (not applicable for
sand, gravel, stone and other similar mining
operations)
(i) on agriculturally managed sites (See def.
No.4)...................................
1 0
(ii) by high rate infiltration on non-agricultural,
managed .sites (includes rotary distributors
and similar fixed nozzle systems) ...........
4
(iff) by subsurface disposal (-includes low pressure
pipe systems and gravity systems except at
plants consisting of septic tank and nilrifica-
tion lines only) ............................
4
()
Micro=eens..................................
5
(j)
Phosphorus Remo raf by Biological Processes
(See del. No.26) ............................
20
(k)
Polishing Ponds - without aeration .......
2
with aeration ..........
5
(I)
Post Aeration cascade ..............
0
diffused or mechanical ...
5
(m)
Reverse Osmosis ............................... 5
(n)
Sand or Mixed -Media Fillers - low rate ...........
2
Nigh rate ... ......
5
o)
Treatment processes for removal of metal or
cyanide....................................
15
(p)
Treatment processes for removal of toxic
materials other than metal or cyanide .........
15
l SLUDGE TREATMENT
(a)
Sludge Digestion Tank - Heated. . .............
10
Aerobic ...............
5
Unheated .............
3
(b)
Sludge Stabilization (chemical or thermal) .......
5
(c)
Sludge Drying Beds - Gravity .................
2
Vacuum Assisted .......
5
(d)
Sludge Elutrialion .............................
5
(e)
Sludge Conditioner (chemical or thermal) ........
5
(1)
Sludge Thickener (gravity) ......................
5
(g)
Dissolved Air Flotation Unit
(not applicable to a unit rates as (3) (i) .........
8
(h)
Sludge Gas Utilization (including gas storage) ....
2
(i)
Sludge Holding Tank - Aerated ................
5
Non -aerated .........
2
(j)
Sludge Incinerator - (not including activated
carbon regeneration) .....
10
(k)
Vacuum Filter, Centrifuge or Filter Press or other
similar dewaledrig devices ....................
10
(8) SLUDGE DISPOSAL (including incinerated ash)
(a) Lagoons .................... .................. 2
(b)
Land Application (surface and subsurface)
(see definition 22a)
-where the facility holds the land app. permit ...
10
-by contracting to a land application operator who
holds the land application perrnil ................
2
-land application of sludge by a contractor who does
not hold the permit for the wastewater treatment
facility where the sludge -is generated .........
10
(c)
Landfilled (burnal) .............................
5
(9) DISINFECTION
(a)
Chlorination .............................
(b)
Dechlorination ........................
5
(c)
Ozone ..............................
5
(d)
Radiation ..........................
5
(10) -CHEMICAL ADDITION SYSTEM (S) (See definition No. 9)
(not applicable to chemical additions rated as item
(3) C), (5) (a) (xi). (6) (a), (6) (b). (7) (b). (7) (e),
(9) (a), (9) (b), or (9) (c) 5 points each: List:
5
5
5
(11) MiSCELLANEOUS UNITS
(a) Holding Ponds, Hong Tanks or Settling Ponds
for Organic or Toxic Materials Including wastes
from mining operations containing nitrogen and/or
phosphorous compounds in amounts significantly
greater than is common for domestic wastewater .......... 4
(b) Effluent Flow Equalization (not applicable to storage
basins which are inherent in land application systems). 2
(c) Stage Discharge (not applicable to storage basins
inherent in land application systems .......................................
(d)
(e) Stand -By Power Supply..._....._..._..._ 3
(1) Thermal Pollution Control Device._ .................. ...».................. 3
TOTAL POINTS
CLASSIFICATION
Class 1... ».» ».... » __ . 5 - 25 Points
Class II_____ _...___. _»»__... - 26- 50 Points
Class 11i... » » ... ».»..... 51- 65 Points
Class IV... _ E6- Up Points
Facilities having a rating of one through lour points, Inclusive,
do not require a certified operator. Classification of all other
facilities requires a comparable grade operator in responsible
charge.
Facilities having an activated sludge process will be assigned
a minimum classification of Class IL
Facilities having treatment processes for the removal of metal
or cyanide will be assigned a minimum classification of Class It.
Facilities having treatment processes for the biological removal
of phosphorus will be assigned a minimum c,assilicalion of Class
Ill.
In-planl processes and related control equipment which are an
integral part of industrial production shall not be considered waste
treatment. Likewise, discharges of wastewater from residences
having a design flow of 1,000 gpd or less, shall not be subject to
rating.
ADDITIONAL COMMENTS:

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i

Z)L,AL,L 1-Ufrt I�LH55krll;�lt 1U1�[ OF 1--AUILI I IES
/ Fop ty€ _LY WAT;
_
Name of Plant: rr H f' �+ €
o rEL 73°r 1A �J-r `m o-r-"6 L- t REST.
7
Owner or Contact Person: ' u
N-st+tFrd
H1,AftJG
Mailing Address.-_1111 WHITE
PL&
fl P —
County: 0i-wnc6
Telephone:
R4-a-36S3
NPDES Permit No. NC00 •
Nondisc.
Per. No. W90oo59S9 6 jg@,€EwRk vF 445i
lssueDate:
Expiration
Date:_
Existing Facility 3C
New Facility
Rated By: E=> ►ct� ags
Date:
24 Z
Reviewed (Train, & Cert.) Reg.
Office
-
Reviewed (Train. & Cert.) Central Office
ORC_�gm 14epird
Gfade
IV
Plant Class: (Circle One) ( I )
II Ill
IV T olal Poil�ts_D-„_
---------- -- -----------
------------
�1
ITEM POINTS
(5) SECONDARY TREATMENT UNITS tetra
(a) Carbonaceous Stage —c3
(1) Industrial Pretreatment Units and/or
(i)Aeration - High Purity Oxygen Systern�?... U)7—"
Industrial Pretreatment Program
Diflused Air Sysiem ..... 1»_1Ct'
see definition No. 33
( )
4
Mechaniczl fir System {nixed, �� —
(2) DFS€Ghf€GN FLOW OF PLANT IN GPD
Iloaling or rotor) ........Xsr.=
-1:73(not '
applicable to non contaminated coo!ing valets, sludge
Separate Sludges Feaeratic;r­tV
handling facilities for water purification plants, totally
(ii) Trickling Filler 'Lo
closed cycle systems (def. No. 11), and facilities
High Rate ..............,,,
consisting only of Item (4) (d) or Items (A.) (d) and (11) ())
Standard Role. _ , . , _ _ _ , . io
0 20,000.............. I...........
Packed Tower............... J1 5
20,001 -- 50.000...........................
(iii) Biological Aerated Filler or Aerated
50.001 100,000 ..................... . ....
3
°iolooical Filter ...................... i 0
100,001 -- 250.000..........................
4
_
(iv) Aerated Lagoons ..................... 10
250,001 500,000..........................
5
500,001--1,000,000 ..................... I ....
8
(v) Rotating Biological Conlaclors .......... 10
1,000,001 -- 2,000,000 ........................
10
2,000,001 (and up) - rate 1 point additional for each
(v i) Sand Filters•
200.000 gpd capacity up to a
inlermitleni biologicai .. Q2
maximum of 30
recirculating bioiogicai .. - 3
Design Flow (gpd)
(vii) Slabifzation Lagoons .. . ................
(3) PRELIMINARY UNITS (see definition no. 32)
(viii)C!z6fier .............................. 5
(a) Bar Screens ..................... . .... . .....
1
(ix) Single stage system for combined
or
carbonaceous removal of BOD and
(b) Mechanical Screens, Static Screens or
nitrogenous removal by nitrification
Comminuting Devices ... I ....... .............
2
(see def. No. 12) (Points for this item
(c) Grit Removal ............................. . .
1
have to be in addition Io items (5) (a)
or
(i) through (5) (a) (viii)
(d) Mechanical or Aerated Grit Removal ...........
2
(x) Nutrient additions to enhance BOD
(e) Flow Measuring Device . . .....................
1
removal ...............................
or
(xi) Biological Culture ('Super Bugs") addition
(1) Instrumented Ffow Measurement ..............
2
to enhance organic compound removal , .... 5
(g) Pfeaetalion .... . . . .........................
2
(b) Nitrogenous Stage
(i) Aeralfon - High Purity Oxygen System ..... 20
(h) Influent Flow -Equalization ...................
2
Diffused Air System ........... 10
(i) Grease or Oil Separators - Gravity .... , ... , .
0
Mechanical Air System (fixed,
Mechanical ..........
3
floating, or rotor) ...... ...... 8
Dissolved Air Flotation.
8
Separate Sludge Reaeration ..... 3
(j) Prechlorination ............ . , ........
5
(i) Trickling Filter -
High Rate .............. 7
(4) PRIMARY TREATMENT UNITS
Septic Tank (see definition no. 43)
(2)
Standard Rate ............ 5
(a) ..............
Packed Tower ............ 5
(b) Imhoff Tank ................. . ................
5
(iii) Biological Aerated Filter or Aerated
(c) Primary Clarifiers . ............. ...........
5
Biological Filter .................... _ ..... 10
(d) Settling Ponds or Settling Tanks lot Inorganic
(iv) Rolaling Biological Conlaclors ............ 10
Non -toxic Materials {sludge handling facilities
(v) Sand Filler -
for water purification plants, sand, gravel,
intermittent biological ........ 2 '
slope, and other mining operations except
recirculating biological ........ 3
recreational activities such as gem or gold
(v i) Clarifier.......... 5
mining) ................. :....................
2

(6) TERTIARY OR ADVANCED TREATMENT UNIT
(a)
Activated Carbons Beds -
(10) -CHEMICAL ADDITION SYSTEM (S) {See de€inilian No. 9)
without carbon regeneration ..................
5
(not applicable to chemical additions rated as ilem
with carbon regeneralion ....................
is
(3) (j). (5) (a) (xi), (6) (a), (6) (b), (7) (b), (7) (e),
(t,)
Powdered or Granular Activated Carbon Feed -
(9) (a), (9) (b), or (9) (c) 5 points each: List:
without carbon regeneration .................
5
5
' ' ' ' ' '
with carbon regeneration ....................
15
. S
. ' ' .
Air Stripping ..............................
5
5
(d)
Denitrificalion Process (separate process) ...
10
' . .. ' 5
(e)
(f)
Electrodiafysis ..............................
Foam Separation .. . ..........................
5
5
(11) MISCELLANEOUS UNITS
(g)
ton Exchange ................................
5
(a) Holding Ponds, Holding Tanks or Sellfing Ponds
(h)
Land Application of Treated Elfluenl
for Organic or Toxic Materials including wastes
(see definition no. 22b) (not applicable for
from mining operations containing nitrogen and/or
sand, gravel, stone 'and other similar mining
phosphorous compounds in amounts significantly
operations}
greater than is common for domestic wastewater .......... 4
See ef,
(i) an agriculturally managed sites {See def.
(i) o
(b) Effluent Flaw Equalization {not applicable to storage
basins which are inherent in land application systems). 2
........................... ,
(ii) by high rate infiltration on non -agriculturally
1 0
(c) Stage Discharge (not applicable to storage basins
managed sites (includes rotary distributors
inherent in land application systems ....................................... 5
(d) Pumps
0
and similar fixed nozzle systems} ..........
4
......... :....... ............................................ ............................... .- .....
(e) Sland-fay Power Supply.................................................................. 3
by subsurface disposal (includes low pressure
(f) Thermal Pollulion Control Devicd3
pipe systems and gravity systems except at
.............................................
plants consisting of septic tank and nilrifica-
tion lines only) .............................
4
TOTAL POINTS
(i)
Microscreens............................ ......
5
(j)
Phosphorus Removal by Biological Processes
CLASSIFICATION
(See def. No. 26) ............................
20
(k) : Polishing Ponds - vMhoul aeration .......
2
...................................................... 5 - 25 Points
F"'R
wilh aeration ..........
5
.................................................... 26. 50 Points
{I)
Post Aeration - cascade ..............
0
Class III....................................................... 51- 65 Points
diffused or mechanical ...
5
Class(V........................................................ 66- Up Points
(m)
Reverse Osmosis ...............................
5
(n)
Sand or Mixed -Media Fillers - low rave .. , ........
2
Facilities having a rating of one through four points, inclusive,
high rate ..........
5
do not require a certified operator. Classification of all other
(o)'
Treatment processes for removal of metal or
facilities requires a compzrable grade operator in responsible
cyanide _ ... . ...............................
15
charge.
Treatment processes for removal of toxic
materials other than metal or cyanide .........
1 5
Facilities having an activated sludge process vAll be assigned
a minimum classification of Class !I.
SLUDGE TREATMENT
(a)
Sludge Digestion Tank - Heated ...............
10
Aerobic ...............
5
Unhealed ...... .......
3
(b)
Sludge Stabilization (chemical or thermal) . . . . . . .
5
(c)
Sludge Drying Beds - Gravity .................
2
Vacuum Assisled .......
5
(d)
Sludge EluWalion .............................
5
(e)
Sludge Conditioner (chemical or thermal) ........
5
(1)
Sludge Thickener (gravity) ......................
5
(g)
Dissolved Air Flotation Unit
(not applicable to a unit rates as (3) (i) .........
8
(h)
Sludge Gas Utilization (including gas storage) .. . .
2
(i)
Sludge Holding Tank - Aerated ................
5
Nan-aeraled ............
2
(j)
Sludge Incineralor - (not including activated
carbon regeneration) .....
10
(k)
Vacuum Filter, Centrifuge or Filler Press or other
similar dewalering devices ....................
1 0
(8) SLUDGE 01SPOSAL (including incinerated ash)
(a)
Lagoons ........................................
2
(b)
Land Application (surface and subsurface)
(see definition 22a)
-where the facility holds the land app. permit
1 0
-by contracting to a land application operator who
holds the land application permit ................
2
-land application of sludge by a coniraclor who does
not hold the permit for the wastewater treatment
facility where the sludge is generated, .........
10
(c)
Landfilled (burial) .............................
5
(9) DISINFECTION
(a)
Chlorination ....... ................ .... .
(b)
Dechlorinalion ........................
5
(c)
Ozone ................ .. ...........
5
(d)
radiation ..........................
5
Facilities having lrealment processes for the removal of metal
or cyanide will be assigned a minimum classilication of Class 11,
Facilities having treatment processes for the biological removal
of phosphorus will be assigned a minimum c€assilication of Class
III.
fn-plant processes and related conlrol equipment which are an
integral part cf industrial production shall not be considered waste
treatment. Likewise, discharges of wastewater from residences
having a design Ilow of 1,000 gpd or less, shalt not be subject to
rating.
ADDITIONAL QMM NT