WQ0005790_Final Permit_19970724

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
July 24, 1997
The Honorable Dorothy L. Kelly, Mayor
Town of Yaupon Beach
518 Yaupon Drive
Yaupon Beach, North Carolina 28465
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Subject: Permit No. WQ0005790
Town of Yaupon Beach
Wastewater Treatment and Disposal Facilities
Brunswick County
Dear Mayor Kelly:
In accordance with the renewal request received May 21, 1997, we are forwarding herewith Permit
No. WQ0005790, dated July 24, 1997, to the Town of Yaupon Beach for the continued operation of the
subject wastewater treatment and disposal facilities.
Please be advised, as per previous conversations between the Town and the Division, the disposal
capacity of the infiltration basin has been decreased to 180,000 GPD. The treatment capacity shall remain
at 400,000 GPD, however, additional disposal alternatives must be obtained to utilize the full treatment
capacity of the wastewater treatment plant.
Permit Condition H 4 has been included in this permit which states, "The Town of Yaupon Beach
may irrigate a portion of the effluent around the wastewater treatment facility. The spray area will consist
of an 80 foot wide strip along the south and east sides of the infiltration basin (approximately 49,129
square feet). A 100 foot buffer shall be maintained between the spray area and the subsurface drains. The
application rate shall not exceed 2.0 inches per week or an instantaneous loading which will cause runoff.
The Town shall maintain records of the spray irrigation activity and may request an increased weekly
loading in the future based on these records."
This permit shall be effective from the date of issuance until June 30, 2002, shall void Permit No.
WQ0005790 issued October 12, 1994, 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.
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

If you need additional information concerning this matter, please contact Mr. Michael D. Allen at
[phone] extension 547.
Sincerel ,
-/-/—A. Preston Howard, Jr., P.E.
cc: Brunswick County Health Department
Wilmington Regional Office, Water Quality Section
Wilmington Regional Office, Groundwater Section
Bob Cheek, Groundwater Section, Central Office
Training and Certification Unit
Facilities Assessment Unit

NORTH CAROLINA
ENVIRONMENTAL MANAGEMENT COMMISSION
DEPARTMENT OF ENVIRONMENT, HEALTH AND NATURAL RESOURCES
RALEIGH
HIGH RATE INFILTRATION SYSTEM PERMIT
In accordance with the provisions of Article 21 of Chapter 143, General Statutes'of North Carolina as
amended, and other applicable Laws, Rules, and Regulations
PERMISSION IS HEREBY GRANTED TO THE
Town of Yaupon Beach
Brunswick County
FOR THE
continued operation of a 180,000 GPD high rate infiltration system which consists of the following:
a 400,000 GPD wastewater treatment system which consists of a dual -train extended aeration plant with
influent bar screen, aerated surge tank with dual pumps, dual aeration basins with coarse -bubble fixed
diffusers, aerobic digester and sludge holding tank, dual 28-foot diameter by 12-foot SWD circular
clarifiers, a 4-cell tertiary filter, effluent chlorine disinfection system, SOz dechlorination, on -site stand-by
generator, and a 700 GPM dosing pump station; and
a 180,000 GPD wastewater disposal system which consists of a 69,900 square foot rapid infiltration bed
with perimeter line sink; to serve
the Town of Yaupon Beach, with no discharge of wastes to the surface waters, pursuant to the renewal
request received May 21, 1997, 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 June 30, 2002, shall void Permit No.
WQ0005790 issued October 12, 1994, and shall be subject to the following specified conditions and
limitations:
I. PERFORMANCE STANDARDS
1. in the event that the facilities fail to perform satisfactorily, including the creation of
nuisance conditions, the Permittee shall take immediate corrective actions, including those
actions that may be required by this Division, such as the construction of additional or
replacement wastewater treatment or disposal facilities.
2. This permit shall become voidable if the soils fail to adequately assimilate the wastes and
may be rescinded unless the facilities are installed, maintained, and operated in a manner
which will protect the assigned water quality standards of the surface waters and ground
waters. The ponding of wastewater on the surface of the distribution field when the dosing
cycle commences shall be considered as evidence of failure of the soils to adequately .
assimilate the wastewater. Additionally, such failure shall be interpreted as a violation of
this permit condition.

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. Adequate measures shall be taken to divert stormwater from the high rate infiltration area
and to prevent wastewater runoff.
5. Diversion or bypassing of the untreated wastewater from the treatment facilities is
prohibited.
6. 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.
7. The following buffers shall be maintained:
a) 500 feet between high rate infiltration unit and any public works surface supply or
public shallow potable water well,
b) 100 feet between high rate infiltration unit and any "SA" classified surface waters,
c) 50 feet between high rate infiltration unit and any other surface waters,
d) 100 feet between high rate infiltration unit and property lines,
e) 50 feet between treatment units and property lines,
f) 50 feet between high rate infiltration unit and other treatment units and public right of
ways, and
g) 200 feet between high rate infiltration unit and any groundwater drainage system.
H. OPERATION AND MAINTENANCE REQUIREMENTS
I . 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 11, 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 SA, .0202.
3. The application rates for the high rate infiltration system shall not exceed 5.72 GPD per
square foot of bed area.
4. The Town of Yaupon Beach may irrigate a portion of the effluent around the wastewater
treatment facility. The spray area will consist of an 80 foot wide strip along the south and
east sides of the infiltration basin (approximately 49,129 square feet). A 100 foot buffer
shall be maintained between the spray area and the subsurface drains. The application rate
shall not exceed 2.0 inches per week or an instantaneous loading which will cause runoff.
The Town shall maintain records of the spray irrigation activity and may request an
increased weekly loading in the future based on these records.
5. The facilities shall be effectively maintained and operated as a non -discharge system to
prevent the discharge of any wastewater outside of the high rate infiltration disposal area,
which result from the operation of this facility.
6. No traffic or equipment shall be allowed on the disposal area except while installation
occurs or while normal maintenance is being performed.
2

7. The rotary distribution fields shall be raked twice weekly during the months April through
October and once a week during the months of November through March.
8. The screenings removed from the wastewater treatment plant shall be properly disposed in
a sanitary landfill or by other means which have been approved by this Division.
9. Vegetative growth must be kept out of the rotary distribution areas at all times. All
vegetation must be removed manually so that minimal disturbance will occur to the disposal
area.
10. The application of chemicals to the distribution field(s) is expressly prohibited.
11. An automatically activated standby power source shall be on site and operational at all
times. If a generator is employed as an alternate power supply, it shall be tested weekly by
interrupting the primary power source.
12. The flow measurement device shall be calibrated annually by a representative of a firm
which is routinely engaged in the calibration of flow measurement devices. Records of this
calibration, including all information pertinent to the calibration, shall be available during
any inspection by Division staff.
13. Diffusers shall be cleaned as needed to ensure that adequate aeration is provided. Records
of this maintenance shall be maintained by the permittee.
14. The rapid infiltration system shall be inspected. daily. A record of all maintenance shall be
recorded in the daily operations log for the facility.
MONITORING AND REPORTING REQUIREMENTS
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. As an indicator of proper operation and maintenance, the facility shall produce an effluent
in compliance with the following limitations:
Parameter Monthly Averag_ea Daily Maximum
Flow 180,000 GPD
BOD5 (5-day, 20°C) 10 mg/1
NH3 as N 4 mg/1
TSS 20 mg/1
Fecal Coliform 14 per 100 mlb 43 per 100 ml
a Monthly averages for all but fecal coliform shall be the arithmetic mean of all samples
collected during the reporting period.
b Monthly average for fecal coliform shall be the geometric mean of all samples collected
during the reporting period.
c Daily maximum shall be the maximum value of all samples collected during the reporting
period.

The effluent from the subject facilities shall be monitored, by the Permittee, at the point
prior to discharge to the infiltration basin for the following parameters:
Parameter Sampling Point Sampling Frequency Type of Sample
Flow
BOD5 (5-day, 20°C)
NH3 as N
TSS
Fecal Coliform
Settleable Matter
Residual Chlorine
NO3
TDS
TOC
Chloride
Influent or Effluent
Continuous
Recording
Effluent
*2/Month
Composite
Effluent
*2/Month
Composite
Effluent
2/Mo-nth
Composite
Effluent of first pond
2/Month
Grab
Effluent
Daily
Grab
Effluent
Daily
Grab
Effluent
**Triannually
Grab
Effluent
* *Triannually
Grab
Effluent
Triannually
Grab
Effluent
*Triannually
Grab
The effluent pH shall not be less than 6.0 standard units nor greater than 9.0 standard
units.
2/Month sampling frequency only during the months of April through October. During
the remainder of the year, these parameters shall be monitored monthly.
** Triannually sampling shall be conducted during February, June, and October.
If Groundwater sampling indicates or predicts problems with compliance with of the
Groundwater Standards, this permit will be modified to include additional and/or more
restrictive limitations.
3. Grab samples of the groundwater from the subsurface drains shall be collected and
analyzed every February, June, and October for the following:
Fecal Coliforms Chlorides
Chlorine Total Dissolved Solids
4. Three (3) copies of all effluent monitoring data (as specified in Condition I112) on Form
NDMR-1 and the groundwater sampling from the subsurface drains (as specified in
Condition III 3) shall be submitted on or before the last day of March, July, and
November. All information shall be submitted to the following address:
NC Division of Water Quality
Water Quality Section
Facility Assessment Unit
Post Office Box 29535
Raleigh, N.C. 27626-0535
5. A record shall be maintained of all residuals removed from this facility. The record shall
include the name of the hauler, the permit authorizing the disposal or a letter from a
municipality agreeing to accept the residuals, the date the residuals were hauled, and the
volume of residuals removed.
4

6. A maintenance log shall be maintained at this facility including, but not limited to, the
following items:
a. Daily sampling results including residual chlorine, settleable matter, and dissolved
oxygen in the aeration basin and at the clarifier weir;
b. Visual observations of the plant and plant site;
c. Record of preventative maintenance (changing of filters, adjusting belt tensions, alarm
testing, diffuser inspections and cleanings, etc.);
d . Date of calibration of flow measurement device;
e. Date and results of power interruption testing on alternate power supply; and
f . Dates fields were raked.
7. Noncompliance Notification:
The Permittee shall report by telephone to the Wilmington 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 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 basin or tank, 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 renders the facility
incapable of adequate wastewater treatment, such as mechanical or electrical failures of
pumps, aerators, compressors, etc.;
c. Any failure of a pumping station, sewer line, or treatment facility resulting in a by-pass
of all or any portion of the influent to such station or facility; or
d. Any time that self -monitoring information indicates that the facility is not in compliance
with its permit limitations.
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. GROUNDWATER REQUIREMENTS
1. The four (4) monitor wells, MW-I, MW-2, MW-3, and MW-4 (depicted on Attachment A)
shall be sampled every February, June, and October for the following parameters:
Water Level pH
Chloride Total Dissolved Solids (TDS)
Total Organic Carbon (TOC) Fecal Coliforms
Nitrate (NO3) Total Ammonia
Volatile Organic Compounds - In October only (by Method 1 or 2 below)
Method 1: Method 6230D (Capillary - Column), "Standard Methods For The
Examination of Water and Wastewater", 17th ed., 1989
Method 2: Method 502.2 "Methods For The Determination Of Organic Compounds
In Drinking Water", U.S. EPA-60014-88/039
5

The measurement of water Ievels must be made prior to sampling for the remaining
parameters. The depth to water in each well shall be measured from the surveyed point on
the top of the casing.
The measuring points (top of well casing) of all monitoring wells shall be surveyed to
provide the relative elevation of the measuring point for each monitoring well.
If TOC concentrations greater than 10 mg/l are detected in any downgradient monitoring
well, additional sampling and analysis must be conducted to identify the individual
constituents comprising this TOC concentration. If the TOC concentration as measured in
the background monitor well exceeds 10 mg/l, this concentration will be taken to represent
the naturally occurring TOC concentration. Any exceedances of this naturally occurring
TOC concentration in the downgradient wells shall be subject to the additional sampling
and analysis as described above.
If any volatile organic compounds are detected by Method 6230D, or the equivalent Method
502.2, then the Wilmington Regional Office Groundwater Supervisor, telephone number
[phone], must be contacted immediately for further instructions regarding any
additional follow-up analyses required. The results of all initial and follow-up analyses
must be submitted simultaneously.
The results of the sampling and analysis shall be sent to the Groundwater Section, Permits
and Compliance Unit, P.O. Box 29578 Raleigh, N.C. 27626-0578 on Form GW-59
[Compliance Monitoring Report Form] on or before the Iast working day of the month
following the sampling month.
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.
3. Any additional groundwater quality monitoring, as deemed necessary by the Division, shall
be provided.
V . INSPECTIONS
I . 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 maintain 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 to the
Division of Water Quality or other permitting authority, upon request.
6

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 ieachate.
VI. GENERAL CONDITIONS
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. 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.
5. The annual administering and compliance fee must be paid by the Permittee within thirty
(30) 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 15A NCAC 2H .0205
(c)(4).
6. 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).
7. 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.
8. A set of approved plans and specifications for the subject project must be retained by the
Permittee for the life of this 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 twenty-fourth day of July, 1997
NORTH CAROLINA ENVIRONMENTAL MANAGEMENT COMMISSION
i
�_/A. Preston Howard, Jr., P.E., Director
Division of Water Quality
By Authority of the Environmental Management Commission
Permit Number WQ0005790

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ATTACHMENT A
z
TOWN OF YAUPON BEACH
WASTEWATER SPRAY IRRIGATION SYSTEM
BRUNSWICK COUNTY
PERMIT NO. W00005790
MONITOR WELL LOCATIONS
COMPLIANCE BOUNDARY
-- REVIEW BOUNDARY
— - - - PROPERTY BOUNDARY
SCALE: 0 toot
1
1
a
I
MW-1
�MTIOH PONDS
y MW-a
1 _
r MW-2
1........ ../q /
••�/�. � �i� j� .rr. r...•/ ere.•

RATING SCALE FOR CLASSIFICATION OF WATER POLLUTION CONTROL SYSTEMS
Name of Facility: I Q(_L \ d
Owner or Contact Person- 1� cL(
Mailing s: �3' 65
County: as�-1„1..-4 ,,y 5 ,e <<- Telephone: - 41 ZA
Present Classification: New Facility Existing Facility
NPDES Per. No. NCOO Nondisc. Per. No.WQ. 9 7 _ Health Dept.Per No.
Rated by: Telephone: Date:
Reviewed by: Health Dept. Telephone:
Regional Office Telephone:
Central Office Telephone:
ORC: Grade: Telephone:
Check Classification(s): Subsurface Spr rigation Land Application
Wastewater Classification: (Circle One) 1 11 6 111 IV Total Points: oz
--------------------------------- --------.___-----------------
II+1 T PROCESSES AND RELATED CONTROL EQUEMENT MHK>j ARE AN IN7EGR9L PART OF INDUSTRIAL PRODUCTION SMALL NOTR'
CONSIDERED WASTE TREATMENT FOR THE PURPOSE OF CLNSSIFICATION. ALSO 5EPTIC TANK SYSTEM CON515ilNG 21Y OF SEETIC TANS
AND GRAVITY NITRIFICATION LINES ARE EXEMPT FROM CLASSIFICAMN,
SUBSURFACE CLASSIFICATION
(check at units that apply)
1. septic tanks
2. pump tanks
3. siphon or pump -dosing systems
4. sand fillers
5. grease trapAnterceptor
6. oil/water separators
7. gravfty subsurface treatment and disposal:
8. pressure subsurface treatment and disposal:
SPRAY IRR)aATION CLASSIFICATION
(check all units that apply)
1.
preliminary treatment (definition no. 32 }
2.
lagoons
1
septic tanks
4.
pump tanks
5.
pumps
6.
sand filters
7.
grease traplinterceptor
8.
oil/water separators
9.
disinfection
10.
chemical addition for nutrient/algae control
11.
spray irrigation of wastewater
In addition to the above classifications, pretreatment of wastewater In excess of these components shsII
be rated using the point rating system and will require an operator with an appropriate duel certification.
LAND APPLICATION/RESIDUALS CLASSIFICATION (Applies only to permit holder)
1. Land application of biosolids, residuals or contaminated soils on a designated site.
WASTEWATER TREATMENT FACILITY CLASSIFICATION
The following systems shall be assigned a Class I cassilication, unless the flow is of a significant quantity or the technology is unusually
complex, to require consideration by the Commission on a case -by -case basis: (Check H Appropriate)
1. Oillwater Separator Systems consisting only of physical separation, pumps and disposal;
2. Septic TankJSand Filter Systems consisting only of septic tanks, dosing apparatus, pumps.sand fillers, disinfection
and direct discharge;
3. Lagoon Systems consisting only of preliminary treatment, lagoons, pumps, disinfection, necessary chemical treatment for
algae or nutrient control, and direct discharge;
4. Closed -loop Recycle Systems:
5. Groundwater Remediation Systems consisting only of oillwater separators, pumps, air -stripping, carbon adsorption, disinfection
and dispomJ;
6. Aquaculture operations with discharge to surface waters;
7. Water Plant sludge handling and back -wash water treatment;
8. Seafood processing consisting of screening and disposal.
9. Single-family discharging systems, whh the exception of Aerobic Treatment Units, will be classified if permitted after July 1,
1993 or H upon inspection by the Division, h is found that the system Is not being adequately operated or maintained. Such
systems will be notified of the classification or reclassification by the Commission, in writing.

The, fallowing scale is used for rating wastewater treatment facilities: (circle appropriate points)
ITEM
POINTS
( 1 J Industrial Pretreatment Units or Industrial Pretreatment Program (sea deflniion No. 33)...................................................4
(2) DESIGN
FLOW OF PLANT IN gpd [not applicable to non-conlarrnated cooling waters, sludge handling facilities for
water purification plants, totally closed cycle systems(see definition No. 11), and facilfties consisting only of ham
(4)(d) or
Items (4)(d) and (11)(d)]
0 - 20,000................................................................................................................................................1
20.001 - 50.000......................................................................................................................................2
50.001 - 100,000.....................................................................................................................................3
100.001 - 250,000................................................................................................................................./.�
250,001 - 500,000................................................................................................................................43J
500,001 - 1,000,000...........................A...................................................................................................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 maximum of .................30
Design Flow (gpd)
(3) PRELIMINARY
(a)
UNITSIPROCESSES (See definitian No.32)
Bar Screens ... ...... .................................................................. ..................................................... ............
£Y
or
(b)
Mechanical Screens. Static Screens or Comminuting Devices..........................................................................2
(c)
Grit Removal ......................... ........................................... ................................. ...-......... ...........................
1
or
(d)
Mechanical or Aerated Grit Removal.............................................................................................................2
(a)
Flow Measuring Dwice..................... ..................................................................... ......................................
I
(1)
or
Instrumented Flow Measurement..............................--..............................................................................
(g)
Preaerallon.............................................................................................................................................
(h)
Influent Flow Equalization. ........................................... ..........................................................................
qualization.......................................................................................................................
.2
(i)
Grease or Oil Separators - Gravity ...................... .... _........ ............................. ..............................................
2
Mechanical.................................................................................................................................................3
DissolvedAir FMation........................................ ........................................................................................
a
{]j
Prechlorination..........................................................................................................................................5
(4) PAIMARYTREATMENTLNIiS/PROCESSES
(a)
Septic Tank (see definition No. 43)............................................................................................................2
(b)
Imhoff Tank.................................................................
(c)
Primary Clarifiers.........................................................................................................................................5
(d)
Settling Ponds or Settling Tanks for Inorganic Nora toxic Materfafs (sludge handling facllities for water
purl!€radon plants, sand, gravel, stone, and other mining operations except recreational activities such
as gam
orgold mining)........................................................................................................................................2
(5) SECONDARY TREATMENT LJNn FKDCESSFS
(a)
Carbonaceous Stage
(I) Aeration -High Purity Oxygen System..............................................................................
DiffusedAir System...................................................................................................... 1 0
Mechanical Air System (fixed, floating or rotor) .................... ................................
........ .... A
Separate Sludge Reaeratlon.............................. ..............................................................
.3
(II) Trickling Filer
HighRate ...................................... _............................................................................... 7
StandardRate...............................................................................................................5
PackedTower................................................................................................................5
(ill} Biological Aerated Filter or Aerated Blologlcal Filter ....._ ................. _............................. .....1 0
(Iv) Aerated Lagoons .................................. .............................................................
.-......... 10
(v) Rotating Biological Conlactors......................................................................................10
(VI) Sand Filters -intermittent biological..................................................................................2
Recirculatingbiological....................................................................................................3
(vfl) Stabilization Lagoons............................................................. _...................................
.J'
(vial) Ciartfier.......................... ................................................................................... ......... ..� J
(fx) Single stage system for combined carbonaceous removal of 800 and nitrogenous removal by
nitrification (see deflnhion No. 12)(Points for this item have to be in addition to items
(5)(a)(f) through (5)(a)(vili),
utilizing the extended aeration process (see detinklon No.3a)...................................... f Y
utilizing other than the extended aeration process.........................................................
(x) Nuirlers additions to enhance SOD removal......................................................................5
(xl) Biologcca€ Culture ("Super Bugs-)addhion........................................................................5
(b)
Nitrogenous Stage
(1) Aeration - High Purity Oxygen System.............................................................................20
DiffusedAir System.......................................................................................................1 0
Mechanical Air System (fixed, floating or (olor)................. ................................................
B
Separate Sludge Reaeralion............................................................................................3
(11) Trickling Fllter-High Rate...................................................................................................7
StandardRate...............................................................................................................I
Packed Tower................................................................................................................5
(111) Biological Aerated Filer or Aerated Biological Filter .................... _........................... .......... 1 0
(IV) Rotating Biological Contactors......................................................................................10
(v) Sand Filter- intermittent biological...................................................................................2
Recirculatingblolog€cal....................................................................................................3
(VI) C€wifier..........................................................................................................................5
{6} TEfT IARYORADVANCEDTREATMENTLINIT FOCESSES
(a)
Activated Carbon Beds -
without carbon regeneration...................................................................................................5
with carbon regeneration.......................................................................................................15
(b)
Powdered or Granular Activated Carbon Food -
without carbon regeneration.................................................................................................5
whh carbon regeneration.....................................................................................................15
(c)
Air stripping..............................................................................................................................................5
(d)
Donlirificatlon Prooess..............................................................................................................................10
(a)
Elecirodialysis............................................................................................................................................5
(1)
Foam Separation.................................................................:......................................................................5
MIon
Exchange............................................................................................................................................5
(h)
Land Application of Treated ENtuerd (see definition No. 22b) (not appl€cable for sand, gravel, stone
(1)
and other similar mining operations) by high rate infiltration.......................................................................�4/
Microscreens ........................................ .........................,...........................................................................�.,
(1)
Phosphorous Removal by Biological Processes (See deflnhIon No. 26)........................................................20
(k)
Polishing Ponds - without aeration ... ........... _...........................................................................................
2
withaeration................................................._...............................................................5

(i)
Post Aeratlon - cascade ............. .......... ...................................................................................................... .D
diffusedor mechanical......................................................................................................
(m)
Reverse Osmosis.........................................................................................................................................
(n)
Sand or Mixed -Media Filters - low rate..........................................................................................................
highrate...................................................................
.
(0)
Treatment processes for removal of metal or cyanide...................................................................................1
5
(p)
treatment processes for removal o1 toxic materials other than metal or cyanide..............................................1 5
(7)
SLUDGETREATMENT
(a)
Sludge Digestion Tank - Heated (anaerobic)...............................................................................................10
Aerobic..................................................................................5
Unheated(anaerobic)...............................................................................................................................
(b)
Sludge Stabilization (chemical or thermal)................................................................................................
.
(c)
Sludge Drying Beds - Gravity......................................................................................................................
VacuumAssisted......................................................................................................... .............................5
(d)
Sludge ElutriatIon.............................................................................................. .............................. .........
5
(e)
Sludge Conditioner (chemical or thermal)....................................................................................................5
(1)
Sludge Thickener (gravity).........................................................................................................................5
(9)
Dissolved Air Flotation Unit (not applicable to a unit rated as(3)(1)).................... .........................................
a
(h)
(I)
Sludge Gas Utilization (including gas storage).............................................................................................2
Sludge Holding Tank Aerated.................................................................................................................
No n-aerated.............................................................................................................................................
22
(j}
Sludge incinerator (not Including activated carbon regeneration)................................................................10
(k)
Vacuum Filter, Centrifuge, or Filler Press or other similar dewal"ng devices...................................................1
0
(8)
RESIDUALS UTILIZATION/DISPOSAL (inducting incinerated ash)
(a)
Lagoons............................................................ ............................ .....2
(b)
Land Application (surface and subsurface) (see definition 22a)
by contracting to a land application operator or landfill operator who holds the land application permit
or landfill
(c)
permit............................ ...................... ..................................................................................�
.
Dedicated Landfill(budai) by the permhtee of the wastewater treatment facility..............................................6
(9)
D6r4 ECTKN
(a)
Chlorination...........................................................................................................................................3
(b)
Dechlorination.................................................................................................................................•........
(c)
Ozone......................................................................................................................................................5
(d)
Radiation.................................................................................................................................................5
(10)
CHEMICAL ADDITION SYSTEM(S) ( see definition No. 9) (not applicable to chemical additions rated as hem (3)0).
(5)(a)(xi),
(6)(a), (6)(b). (7)(b), (7)(s). (9a), (9)(b) or (9)(c) 5 points each;
List................................................................................
..............................................................................................................I................--.5
.....................................................................................—........................I....., ............
5
.....................
(1 1)
MISCHlANEOUS UNITS+PRDCESSES
(a)
Holding Ponds, Holding Tanks or Settling Ponds for Organic or Toxic Materials Including wastes from reining
operations containing nitrogen or phosphorus compounds In amounts significantly greater than Is common
fordomestic 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 Inharerd in land application systems) ..............................
(d)
Pumps....................................................................................................................................................
(a)
Stand -By Power Supply..........................................................................................................................
(1)
Thermal Pollution Control Device.................................................................................................................3
TOTALPOINTS..........................................................................
CLASSIFICATION de !
ClassI........................................................................................................... 5-25 Points
Class11.........................................................................................................26-50 Points
Classill ..... ................................................................................................... 51-65 Points
ClassIV ............. ....................................................................... ................... 66-Up Points
------ ----- -- —---------------- --^— ---- ---- --- ---- --- ------
Facilities having a rating of one through four points, Inclusive, do not require a certified operator.
Facilities having an activated sludge process will be assigned a minimum classification of Class 11.
Faciiitles having treatment processes for the removal of metal or cyanide will be assigned a minimum classification of Class 11.
Facilities having treatment processes for the biological removal of phosphorus will be assigned a minimum classification of Class Ill.
A004 DERNI TIONS
The following definitions shall apply throughout this Subchapter.
(1) Activated Carbon Beds. A physlcal/chemical method for reducing soluble organic material from wastewater effluent; The column -type beds used In this
method will have a flow rate varying from two to eight gallons per minute per square foot and may be either upflow or downflow carbon beds. Carbon may or
may not be regenerated on the wastewater treatmert plant she;
(2) Aerated Lagoons. A basin in which all solids are maintained in suspension and by whkh biological oxidation or organic matter is reduced through artificially
accelerated transfer of oxygen on a flow -through basis;
(3) Aeration. A process of bringing about Intimate contact between air or high purity oxygen In a liquid by spraying, agitation or cnnusion;(3a) Extended
Aeration. An activated sludge process utilizing a minimum hydraulic detention time of 18 hours.
(4) Agricuhurally managed site. Any site on which a crop Is produced, managed, and harvested (Crop includes grasses, grains, tress, etc.);
(5) Air Stripping. A process by which the ammonium ion Is first converted to dissolved ammonia (pH adjustment) with the ammonia then released to the
atmosphere by physical means; or other similar processes which remove petroleum products such as benzene, toluene, and xylene;
(6) Carbon Regeneration. The regeneration of exhausted carbon by the use of a furnace to provide extremely high temperatures which volatilize and oxidize the
absorbed Impurilles;
(7) Carbonaceous Stage. A sbsga of wastewater treatment designed to achieve secondary' effluent timhs;
(8) Centrifuge. A mechanical device In which centrifugal force is used to separate solids from liquids or to separate liquids of different dansf,as;
(9) Chemical Addhlon Systems- The addhlon of chemicals) to wastewater of an application point for purposes of Improving solids removal, pH adjustment,
alkallnhy control, etc.; the capability to experiment whh different chemicals and different application points to achieve a specific result will be considered one
system; the capability to add chemicals) to dual units will be rated as one system; capability to add a chemical at a different application points for different
Purposes will result In the systems being rated as separate systems;
(10) Chemical Sludge Conditioning. The addition of a chemical compound such as lime, ferric chloride, or a polymer to wet sludge to coalesce the mass prior to
ifs application to a dewatering device-,
01) Closed Cycle Systems. Use of holding ponds or holding tanks for containment of wastewater containing Inorganle, non -toxic materials from sand, gravel,
crushed stone or other similar operations. Such systems shall carry a maximum of two points regardless of pumping facilhies or any other appurtenances;
(121 Combined Removal of Carbonaceous SOD and Nitrogenous Removal by Nitrification- A single stage system required to achieve penztlt effluent i'xnhs on BOO
and ammonia nitrogen within the same biological reactor,
(13) DechlorinatWL The partial or complete reduction of residual chlorine in a liquid by any chemical or physical process;
(14) Denhwicatlon Process. The conversion of nitrate -nitrogen to nitrogen gas;