HomeMy WebLinkAboutWQ0003437_Final Permit_19990825State of North Carolina
Department of Environment
and Natural Resources
Division of Water Quality
James B. Hunt, Jr., Governor
Wayne McDevitt, Secretary
Kerr T. Stevens, Director
August 25, 1999
Daniel E. Fortin
Queen's Court Homeowners Association
P.O. Box 626
Morehead City, NC 28557
IT
1 � •
NCDENR
NORTH CAROL-INA DEPARTMENT OF
ENVIRONMENT AND NATURAL RESOURCES
Subject: Permit No. WQ0003437
Queen's Court HOA
Queen's Court Condominiums
Wastewater Rotary
Distributor Facilities
Carteret County
Dear Mr. Fortin:
In accordance with your application received May 27, 1999, we are forwarding herewith Permif No.
WQ0003437, dated August 25, 1999, to Queen's Court Homeowners Association for the continued operation
of the subject wastewater rotary distributor facilities.
This permit shall be effective from the date of issuance until July 31, 2004, shall void Permit No. WQ0003437
issued March 7, 1995, 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.
If you need additional information concerning this matter, please contact Dianne Thomas at (919) 733-5083
extension 364.
Sincer
Kerr T. Stevens
cc: Carteret County Health Department
Wilmington Regional Office, Water Quality Section
Wilmington Regional Office, Groundwater Section
Groundwater Section, Central Office
Technical Assistance and Certification Unit
Non -Discharge Compliance/Enforcement Unit
1617 Mail Service Center, Raleigh, NC 27699-1617
An Equal Opportunity Affirmative Action Employer
Telephone (919) 733-5083 Fax (919) 715-6048
50% recycled/10% post -consumer paper
NORTH CAROLINA
ENVIRONMENTAL MANAGEMENT COMMISSION
DEPARTMENT OF ENVIRONMENT 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
Queen's Court Homeowners Association
Carteret County
FOR THE
continued operation of a 24,000 GPD wastewater collection, treatment and rotary distributor disposal facility
consisting of approximately 1,900 Iinear feet of 6 inch and 8 inch gravity sewer, an influent lift station with
dual 45 GPM pumps, a flow splitter box, an 8,000 gallon aerated flow equalization tank with a 30 CFM blower
and dual 30 GPM (1/2 HP) pumps, dual 12,000 gallon aeration tanks, dual clarifiers, an aerated sludge holding
tank, a tertiary treatment unit consisting of dual filters, a surge tank, backwash pumps, a chlorine contact
chamber with dual tablet type chlorinators and an effluent dosing tank with dual pumps, dual 44 foot diameter
rotary distributors, and automatically activated stand by power unit and all associated piping, valves and
appurtenances to serve Queen's Court Condominiums, with no discharge of wastes to the surface waters,
pursuant to the application received May 27, 1999, and in conformity with the project plan, specifications, and
other supporting data subsequently filed and approved by the Department of Environment and Natural
Resources and considered a part of this permit.
This permit shall be effective from the date of issuance until duly 31, 2004, shall void Permit No.
WQ0003437 issued March 7, 1995, 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 the Division of Water Quality (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.
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 Division.
4. Adequate measures shall be taken to divert stormwater from the high rate infiltration area and to
prevent wastewater runoff.
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 darrtages to
surface or groundwaters resulting from the operation of this facility.
7. The following buffers shall be maintained:
a) 400 feet between high rate infiltration unit and any habitable residence or place of public
assembly under separate ownership or which is to be sold,
b) 200 feet between high rate infiltration unit and any private or public water supply source and
any streams classified as WS or B,
c) 200 feet from mean high water between high rate infiltration unit and any "SA" or "SB"
classified surface waters,
d) 200 feet from normal high water between high rate infiltration unit and any other stream,
canal, marsh, or coastal waters,
e) 200 feet from normal high water between high rate infiltration unit and any Class I or Class II
impounded reservoir used as a source of drinking water,
f) 200 feet between high rate infiltration unit and any other lake or impoundment,
g) 200 feet between high rate infiltration unit and any Drainage systems (ditches, drains, surface
water diversions, etc.) and from any groundwater lowering and surface drainage ditches,
h) 100 feet between high rate infiltration unit and property lines,
i) 50 feet between treatment units and property lines, and
j) 50 feet between high rate infiltration unit and other treatment units and public right of ways.
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 high rate infiltration
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.
A usable green area shall be maintained for wastewater disposal. The green area shall have the
capability of accommodating the average daily flow of the facility being served without exceeding
the loading rates of the green area. A "green area", as defined in 15A NCAC 2H .0404 (g)(7), is
an area suitable for waste disposal, either in its natural state or which has been modified by
planting a vegetative cover of grasses or Iow growing shrubbery.
II. OPERATION AND MAINTENANCE REQUIREMENTS
1. The facilities shall be properly maintained and operated at all times.
2. Upon classification of the facility by the Water Pollution Control System Operator Certification
Commission (WPCSOCC), 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 WPCSOCC. The Permittee must also
employ a certified back-up operator of the appropriate type and grade to comply with the
conditions of 15A NCAC 8A .0202. The ORC of the facility must visit each Class I facility at
least weekly and each Class II, III, and IV facility at least daily, excluding weekends and holidays,
and must properly manage and document daily operation and maintenance of the facility and must
comply with all other conditions of 15A NCAC 8A .0202.
3. The application rates for the high rate infiltration system shall not exceed 10 GPD/ft'.
4. 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.
5. No traffic or equipment shall be allowed on the disposal area except while installation occurs or
while normal maintenance is being performed.
6. The rotary distribution fields shall be raked twice weekly with a two day separation, during the
months April through October and once a week during the months of November through March.
Additional raking may be required and should be performed, as necessary, by the operator
7. 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.
8. 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.
9. The application of chemicals to the distribution field(s) is expressly prohibited.
10. 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.
11. The flow measurement device shall be calibrated annually by a representative of a firm that 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.
12. The diffusers shall be removed from the aeration basin and serviced during the months of March,
July and October. Additional servicing may be required, and should be performed as necessary by
the operator. Records of this maintenance shall be maintained by the permittee.
13. The chlorine tablets used in the disinfection facility shall be of the kind and type specified in the
plans and specifications approved by the Division.
14. The clarifier sidewalls shall be scraped daily and the clarifier weir(s) shall be cleaned daily.
15. The rotary distribution units shall be inspected daily. All plugged nozzles shall be cleared, all
splash plates shall be in place and any leaking seals should be repaired and/or replaced. A record
of all maintenance shall be recorded in the daily operations log for the facility.
III. MONITORING AND REPORTING REQUIREMENTS
1. Any monitoring deemed necessary by the Division 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 Average
a Daily Maximum c
Flow 24,000 GPD
BOD5 (5-day, 20°C) 10 mg/1 15 mg/l
NH3 as N 4 mg/l 6 mg/1
TSS 5 mg/l 10 mg/1
Fecal Coliform 5 per 100 tnl b `
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 long term holding pond for the following parameters:
Parameter
Sampling Point
Sampling Fre uenc
Type of Sample
Flow
Influent or Effluent
Continuous
Recording
BOD5 (5-day, 20°C)
Effluent
*2/Month
Composite
NH3 as N
Effluent
*2/Month
Composite
TSS
Effluent
*2/Month
Composite
Fecal Coliform
Effluent (of first pond)
*2/Month
Grab
Settleable Matter
Effluent
Daily
Grab
Residual Chlorine
Effluent
Daily
Grab
NO3
Effluent
*Triannually
Grab
TDS
Effluent
*Triannually
Grab
TOC
Effluent
Triannually
Grab
Chloride
Effluent
**Triannually
Grab
The effluent pH shall not be Iess 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.
** Triannual sampling shall be conducted during March, July and November.
If Groundwater sampling indicates or predicts problems with compliance with one of the
Groundwater Standards, this permit will be modified to include additional and/or more restrictive
limitations.
4
Three (3) copies of all effluent monitoring data (as specified in condition III 2) on Form NDMR-1
shall be submitted on or before the last day of April, August and December. All information shall
be submitted to the following address:
NC Division of Water Quality
Water Quality Section
Non -Discharge Compliance/Enforcement Unit
1617 Mail Service Center
Raleigh, North Carolina 27699-1617
4. 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 Ietter from a municipality agreeing
to accept the residuals, the date the residuals were hauled, and the volume of residuals removed.
5. 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 and arms inspected.
6. Noncompliance Notification:
The Permittee shall report by telephone to the Wilmington Regional Office, telephone number
(910) 395-3900, 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
Monitoring wells MW-1, MW-2 and MW-3 shall be sampled every March, July and November
for the following parameters:
Water Level pH
Fecal Coliform Total Organic Compounds (TOC)
Total Ammonia Total Dissolved Solids (TDS)
Nitrate Chloride
Volatile Organic Compounds - In November only using one of the following:
(A) Standard Method 6230D, PQL at 0.5 ug/L or Iess
(B) Standard Method 6210D, PQL at 0.5 ug/L or less
(C) EPA Method 8021, Low Concentration, PQL at 0.5 ug/L or less
(D) EPA Method 8260, Low Concentration, PQL at 0.5 ug/L or less
(E) Another method with prior approval by the Groundwater Section Chief
Any method used must meet the following qualifications:
(1) A laboratory must be DWQ certified to run any method used.
(2) The method used must, at a minimum, include all the constituents listed in Table VIH of
Standard Method 6230D.
(3) The method used must provided a PQL at 0.5 ug/L or less which must be supported by
laboratory proficiency studies as required by the DWQ Laboratory Certification Unit.
Any constituents detected above the MDL but below the PQL at 0.5 ug/L must be
Qualified (estimated) and reported.
If any volatile organic compounds are detected by the methods listed, then the Wilmington
Regional Office Groundwater Supervisor, telephone number (910) 395-3900, 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 measurement of water levels 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.
If TOC concentrations greater than 10 mg/I 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.
The results of the sampling and analysis must be received on Form GW-59 (Groundwater
Quality Monitoring: Compliance Report Form) by the Groundwater Section, Permits and
Compliance Unit, 1636 Mail Service Center, Raleigh, N.C. 27699-1636 on or before the last
working day of the month following the sampling month.
2. Any additional groundwater quality monitoring, as deemed necessary by the Division, shall be
provided.
The COMPLIANCE BOUNDARY for the disposal system is specified by regulations in 15A
NCAC 2L, Groundwater Classifications and Standards. The Compliance Boundary for the
disposal system constructed prior to December 31, 1983 is established at either (1) 500 feet from
the waste disposal area, or (2) at 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.
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 or other permitting authority,
upon request.
Any duly authorized officer, employee, or representative of the Division 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.
VL 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.
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 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.
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).
Failure to abide by the conditions and limitations contained in this permit may subject the
Permittee to an enforcement action by the Division in accordance with North Carolina General
Statute 143-215.6A to 143-215.6C.
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.
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 tW5th day of August 1999
NORTH OLINA E I ENTAL MANAGEMENT COMMISSION
-'—Kerr T. Stevens, Director
Division of Water Quality
By Authority of the Environmental Management Commission
Permit Number WQ0002427
tit
RATING SCALE FOR CLASSIFICATION OF WATER POLLUTION CONTROL SYSTEMS
Name of Facility: ��� + o s L") U3Te
-)wner or Contact Person:
,Mailing Address: C (m() %r"Je �mccc �c, �Icic, �L ZLR S'GiLt
County: ,' �P- r Telephone:
Present Classification: LL — New Facility Existing Facility ✓
NPDES Per, No. NC00 Nondisc. Per. No.W0000 3 43 7 Health Dept.Per No.
Rated by: . S�P_ve Telephone: Date:._ 2--8
Reviewed by: Health Dept. Telephone:
Regional Office Telephone:
Central Office Telephone:
ORC:^vtar fi++` Grade: Telephone:
Check Classification(s): Subsurface Sp Irrigation Land Application
III Wastewater Classification: (Circle One) I it IV Total Points: ; 0
► :►i 'l� _• a s �►11t:1� ..�. 1u �►� fir �r s► !1 � t:_ : LI � ! � �1r �T��$����:�[�-'►�lt�a�.���'
col\ is �� \�iw a.: i(�\ : J isles � :ti �. i ��►
SUBSURFACE CtASSIFr_ATiCN
(check all units that apply)
I. —septic tanks
2. pump tanks
3. siphon or pump -dosing systems
4. sand filters
grease lrapfinterceptor
oil/water separators
7. gravity subsurface treatment and disposal:
8. pressure subsurface treatment and disposal:
SPRAY IPUDJGATrN C _ASSlFr_hT)0N
(check all units that apply)
1.
preliminary treatment (definition no. 32 )
2.
lagoons
3.
septic tanks
4_
pump tanks
5.
pumps
6.
sand filters
7.
grease trapTnterceptor
a.
oil/water separators
9.
disinfection
10,
chemical addition for nuirienUalgae control
11.
spray irrigation of wastewater
In edditlon to the above cfesslflcations, pretreatment of wastewater In excess of these components shod]
be rated using the point rating system and will require an operator with an appropriate dual certification.
LAND APPLICATION/RESIDUALS CLASSIFICATION (Apples only to permit holder)
1. Land application of biosolids, residuals or contaminated soils on a designated site.
-- -------------r—`— WASTEWATER TREATMENT FACILITY CLASS
LlTY F]G4T]ON
The following systems shall be assigned a Class 1 classilicaiion, 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 if Appropriate)
1. OiVwater Separator Systems consisting only of physical separation, pumps and disposal;
2. Septic Tank/Sand Etter Systems consisting only of seplic tanks, dosing apparatus, pumps,sand filters, disinfection
and direct discharge;
3.-Lago4n 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 oil/waler separators, pumps, air -stripping, carbon adsorption, disinfection
and dispos.J;
6. Aquaculfure operations with discharge to surface waters;
Water Plant sludge handling and back -wash water treatment:
Seafood processing consisting of screening and d€sposal.
a. Single-family discharging systems, with the exception of Aerobic Treatment Units, will be classified if permitted after Juty 1,
1993 or U upon inspection by the Division, it is found That the system is not being adequately operated or maintained. Such
systems will be notified of the classification or reclassilication by the Commission, in writing.
The following scale is used for rating wastewater treatment facilities: (circle appropriate paints)
ITEM POINTS
(1) Industrial Pretreatment Units or Industrial Pretreatment Program (see definition No. 33):.................................... ............. 4
(2} DESfGN
FLOW OF PLANT IN gpd [not applicable to non -contaminated cooing waterr., sludge handling facilities for
water purification plants, totally closed cycle systems(sas definition No. 11). and facilities consisting only of Item
(4)(d)
or Items (4)(d) and (11)(d)j _
0 - 2D,000................................................................................................................................................1
20,001 - 50,000.... .......................... .............. ....................................................................... .......... ..._._ .
50.001 - 100,000...................•.............................................................................---............._.._..............
100,001 - 250,000...................................................................................................................................4
250,001 - 500,000............ .......................................................................... ......... :................ .................. 5
500,001 - 1,D00,000............ .............................................................................. ...................................... a
1.000,001 - 2,000.000...........................................................................................................................10
2.000.001 (and up) rate 1 point additional for each 200,D(X god capacity up to a maximum of .................30
Design Flow fgpd)
_
(3) PRELIMINARY UNITSIPROCESSES (see definition No.32)
(a)
Bar Screens....._.__....................................................................................................................................O
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 Device ...................................................................................................................... ..........1
{fj
(g)
or
Instrumented Flow Measurement.........................................................................................................
Preasratlan............... .......................................ar
(h)
......................................................---..............................
Influent flow Equalization........................................................................................................................
(i)
Grease or Oil Separators - Gravity.................................................................................................--...........
Mechanical................................................................................................................................................3
Dissolved Air Floiatlon................................................................................................................................8
O)
Prechlodriation.........................................................................................................................................5
; 4) PRIMARY TREATMENT L ITSIPROCF..SSES
(a)
Septic Tank (see definition No. 43)............................................................................................................2
(b)
Imhoff Tank..........................................................................................---.................................................5
(c)
Primary Clarillers.........................................................................................................................................5
(d)
Settling Ponds or Settling Tanks for Inorganic Nontoxic Maiefts (sludge handling facilities for water
purification plants, sand, gravel, stone, and other mining oporattons except recreational activities such as gem
orgold mining)-......................................................................................................................................2
(5) SECONDARY
TREATMENT L.NllalPFK)CESSES
(a)
Carbonacoous Stage
{il Aeration -High Purity Oxygen System...............................................................................
Diffused Air System..............................................•.......................................................1 0
Mechanical Air System (fixed, floating or rotor).................................................................
Separate Sludge Reaeration............................................................................................3
Trickling Fiber
HighRate....................................................................................•..................................7
StandardRate............................................................._.................................................5
Packed Tower.................................................................................................................5
Biological Aerated Fitter or Aerated Biological Filter............................................................1 0
(IV) Aerated Lagoons .................................................. ........................... ..................... ....... 10
(v} Rotating Biological Contactors...................................................................10
(vi) Sand Filters -intermittent biological ................................... ................................. .............. 2
Recirculatingbiological....................................................................................................3
(0) Stabillzation Lagoons ....................................................................................................
(rill} Clarifier.......................................................................................................,...__.._......
.5
(ix) Single stage system for combined carbonaceous removal of BOD and nitrogenous removal b
nitrification (see definition No. 12)(Points for this item have to be in addition to items
(5)(a)(1) through (5)(a)(viif),
utlllzing the extended aeration process (see definition No.3a) ..........................................
utilizing other than the extended aeration process ............ ................ ........ ....._..............._ .8
(x) Nutrient addhions to enhance BOD removal ..................... .....................:....
.......................
(XI) Biological Culture ("Super Bugs-)addition.......................................•......._..._.............._..._.5
(b)
Nitrogenous Stage
(E} Aeration - High Purity Oxygen Syslem............................................................................20
Diffused Air System .............. ....................................... .................. .......... ...10
Mechanical Air System fixed, floating or rotor
Separate Sludge Reaaration............................................................................................3
{IIJ Trickling Filter -High Rate...................................................................................................7
Standard Rats...............................................................................................................5
PackedTower ....................... ........................ ............................... ........ ..........................
{l1S) Biological Aeraled Filler or Aerated Biological F7her....... ..... .................... .......................... 1 0
{fv) Rotating Biological Contactors......................................................................................1 D
(v) Sand Etter - intermittent biologlcal..................................................................................2
Recirculating biological....................................................................................................3
{vl] Ctarifier........... ......................................................................................... ....................... 5
(6) TERTLARYOR ADVANCEDTREATMENT U1714PROCESSES
(a)
Activated Carbon Beds -
whhout carbon regeneration...................................................................................................5
withcarbon regeneration..............r..._,.............................................................. .............1 5
(b)
Powdered or Granular Acilvated Carbon Feed
without carbon regeneration.................................................................................................5
withcarbon regeneration., ...................................................... ....... ........ ....................... —.1 5
(c)
Air stripping...................•----•.........................................................................................................._...5
(d)
Donitrtficalfon Prooess..............................................................................................................................10
(a)
Elactrodfalysls.............................................................................................................................................5
(f}
Foam Separation.......................................................................................................................................5
(g)
Ion Exchange..................................•.................................................----................................................._...5
(h)
land Application of Treated Effluent (sea definition No. 22b) (not applicable for sand, gravel, stone
(1)
and other similar mining operations) by high rate Infiltration ............ ......................... ....................... ......
Microscresns.............................................................................................................................................
(1)
Phasphorous Removal by Biological Processes (See definition No. 26).........................................................20
(k)
Polishing Ponds - without aeration .......... ................. ................................................................................. 2
withaeration.................................................................................................................5
(1)
Post Aeration - cascade..... ......................... I ................. ......................................................... ............ I., ... .O
diffusedor mechanical........................................................................................................2
(m)
Reverse Osmosis .... ................................................... ..................................................... ....... .................. ..
(n)
Sand or Mixed -Media Fillers - low rate.....................4................................................................................. 2
highrate......................................................................5
(0)
Treatment processes for removal of meta[ or cyanide...................................................................................i 5
(p)
treatment processes for removal of toxic materials other than metal or cyanide..............................................15
(7)
SLUCGETREATMENT
(a)
Sludge Digestion Tank - Heated (anaerobic) ................. ................................................................. I ...........
-�
Aerobic.............................................................................................................................--. S
Unheated(anaerobic)................................................................................................................................3
(b)
Sludge Stabilization (chemical or thermal)...... .... I ......................................................................................... 5
(c)
Sludge Drying Beds - Gravity......................................................•.........:.....................................................2
VacuumAssisted.........................................................--...............................................--....5
(d)
Sludge Eluthation................,I ...........................................................................--...........................-.
(a)
Sludge Conditioner (chemicaTlor thermal).....................................................................................................5
(f)
Sludge Thickener (gravity).........................................................................................................................5
(g)
Dissolved Air Flotation Unit {not applicable to a unit rated as(3)(i)j.............................................................8
(h)
Sludge Gas Utilization (including gas storage) .......................... ....................................... _................... '...-2
(1)
Sludge Holding Tank - Aerated...................................................................................................................4
Non-aa rated............................................................................................................................................. 2
{J)
Sludge Incinerator (not Including activated carbon regeneration)................................................................10
(k)
Vacuum Filter, Centrifuge, or Filter Press or other similar dewatering devices...................................................1 0
(8)
RESIDUALS
UTILIZATIOVDISPOSAL (including incinerated ash)
(a)
Lagoons......................................................................................................................... ......... ............... 2
(b)
Land Applicalion (surface and subsurface) (see definition 22a)
by contracting to a land application operator or landfill operator who holds the land appl;cation permit
or landfill parmil............................... ............... ................................... .................................................... O
(c)
Dedicated Landfill(burial) by the permhtee of the wastewater treatment facility...............................................5
(9)
Dt�CTrvrV
(a)
Chlorination .......................................... .................................................................................................Q
(b)
Dechlorinalon..........................................................................................................................................5
(c)
Ozone......................................................................................................................................................5
(d)
Radiation. ........................................................................................................... .................................... Z
(1 0)
CHEMICAL
ADDITION SYSTEM(S) ( see definition No. 9) [not applicable to chemical additions rated as item (3)(1).
(8)(a), (6)(b), (7)(b), (7)(e). (9a). (9)(b) or (9)(c) 5 points each:
List....................................................................................................................................5
.............................................................................................. I........................ .......5
.................... ............ I ...... I ............ I .... I .......... ................. .... ..1......... I .......... I— .................5
............................................................................................................................. 5
(1 1)
MSCH.LANEGUS UNITS,PFOCESSES
(a)
Holding Ponds, Holding Tanks or Settling Ponds for Organic or Toxic Materials including wastes from mining
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 syslems)...... 2
(c)
(d)
Stage Discharge (not applicable to storage basins Inherant In land application systems) ................................
Pumps....................................................................................................................................................
(a)
Stand -By Power Supply..................................................................................................................-.....
(1)
Thermal Pollution Control Device................................................................................................................3
TOTALPOINTS..........................................................................
CL SSIFICA71CN
class[...........................................................................................................5.25 Points
II.........................................................................................................26.50 Points
Casslll........................................................................................................ 51.65 Points
--Class ry........................................................... ...................................... ......66-Up Points
Facilities having a rating of one through four points, inclusive, do not require a certified operator,
Facilhies having an activated sludge process will be assigned a minimum classification of Class 11.
Facilities 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 phosyhorus will be assigned a minimum classifical;on of Class Ill.
4004 DEFINITIONS
The following delirihions shall apply throughout this Subchapter.
(i) Aclivaled Carbon Beds, A physlcal/chemical method for reducing soluble organic malortal 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 waslewaler treatment plant site;
(2) Aerated Lagoons. A basin in which all solids are maintained In suspension and by which biological oxidation or organic matter Is reduced through artificially
accelerated transfer of oxygen on a flow -through basis;
(3) Aerallort A process of bringing about intimate contact between air or high purity oxygen In a liquid by spraying, agitation or d1flusfon;(3a) Extended
Aeration. Art aclivkied sludge process utilizing a minimum hydraulic detention time of 18 hours.
(4) Agriculturally managed site. Any rite on which a crop is produced, managed, and harvested (Crop Includes grasses, grains, trees, etc.);
(5) Air Stripping. A process by which the ammonium Ion Is first convened 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 xyiene;
(6) Carbon RegeneratlorL The regeneration of exhausted carbon by the use of a furnace to provide extremely high temperatures which volatilize and oxidize the
absorbed [mpuritiea;
(7) Carbonaceous Stage, A stage of wastewater treatment designed to achieve 'secondary- effluent limits;
18) Centrifuge. A mechanical device in which centrifugal force Is used to separate solids from liquids or to separate liquids of different densi;tas;
Chemical Addition Systems- The addition of chemlcal(s) to wasdowaler of an application point for purposes of Improving solids removal, pH adjustment,
alinily control, etc.; the capability to experlmert with different chemicals and different application points to achieve a specific result will be considered one
stem; the capability to add chemical(s) 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 Conditloning. The addition of a chemical compound such as lime, ferric chloride, or a polymer to wet sludge to coalesce the mass prior to
Rs apptfcation to a dewatering device;
(11) Closed Cyc)e Systems. Use of holding ponds or holding tanks for containment of wastewater containing Inorganic, non -toxic materials from sand, gravel,
crushed stone or other similar operations. Such systems shall carry a maximum of two points regardless of pumping facilities or any other appurtenances;
(12) Combined Removal of Carbonaceous BOO and Nitrogenous Removal by Nitrification- A single stage system required to achieve permit effluent 1'rrnhs on BOO
and ammonia nitrogen within the same biological reactor;
(13) Dechlorinatlon. The partial or complete reduction of residual chlorine in a liquid by any chemical or physical process;
(14) Denl[rii-ication Process. The conversion of nhrate-nitrogen to nitrogen gas;
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GENERAL INCTES:
1 ioPagraPh�c �nfarmvlwn fa•sn (ram !Jr-D'b: t`:$ r-dsle.
�JFP
• NCO01 bDAR Da:c rercvsc MOY 2007 - oN dnfa ,.es ganera!eC 1mm LiWa in
=LB
,-1 2D0Y (,upersedss Mark Z065 .'I- release).
a —
aR dote is rn (A-h CorP6na scale Plana 1wr78J F-I.
jrp
2. Cne non-PdlaNre ire:gotivo ..?r! and Ihres nranibring .eRs wsre found within
so-rc- SG"
5D0 Ivvl radius by 4-1 fral-es 'were ot,served.
me
a-sPRr
7, Pnrliartg a( the eR;along frNrlm±n!/drTpP5P1 aysl4n de "I —piy 4rh
c re,i sethocL rxQu.rr=mrnfi. there w no odtlitienol SCIDQSY
erreraP4hmanl5 CriP1?� by the o-pas±•re 40n$IrrTli011.
Currenl rapbio,, setb—c (r5A NCAC 2F.0706(o)) for intdtral:pn units
(Rolvey dislribvfors) fo: EriTci,y
seldochs'
p a
Pab�lable res%d±nce - Adjaren! p,opvlr --'DO fi. ---- 69 ll.
w
NtrbilPdfe rm,idanc- me properly ---- 21t- ---- NA
SwIP4e waters ------------------ 20DDO !t. ____ fyA
C.y/.. lowen't, trenches ------------- 200 ft. ---- NA
� _ T
-ubsw� re E. w. rvwering sysleme ------ 2p0 R. ---- Frh
G \a
Any properly A, _________________2dD H. ---- ZD ft.
v =r
PaW2/pnmle water avurce---------- IOO ft. ____ AW
Any wtd (es4ep4 mvntloring)--------- 100 11. ---- NA
Tap S1ape of MtY)PkmenlS or
of two reel - r--____---__
m
Anuts
1 ------------- -
y swimming poa 100 -- - PA
PubEc ROW ------------------•-- 50 !t. ----- PA
-
Surface water ditch ----------------- 50 11- ----- NA
- Niln'Trcolivn yield ----------------- 20 It. ----- NA
[1
Impounded p.b1 :velar supply and
pudr,V shollow C.W sup" ----------- 500 it. ____ NA
r-"I
^
11,11-11 _--"--------------w..».. 200 11. ---- NA
'
to ft. _____ 17 It.
h CJ
Curren) reyublwy setbacks (154 NCAC 2r.O5Gfib)J for
trealmeal units:
L)
P.abifsble residence - adj.—) property -- FW R. ---- AA
Hal#Idbie resdenea - soma properly - - - - IGO ft. ---- era
Pabfic/private water supply ---------- too It. ---- Nrl
Swtoce waters ---•---------- ---- 50 ft. ----- NA
Any wart (—PI mon,'Ioring)--------- 100 Ft. ---- NA
1r f
my properly I,ne---------------- 50 Ft. ----- 18 11.-
•RA ;s > Regurvrary Selaova
..1- ber�vlmenl Plonf r,;ft be 2 50' fo line.
�}I�� C7 0, Z
properly
LEGEND
I b
N-i
—� — — COMPLIANCE BOUNDARY
W
REVIL.P BOSiNDARY
T"^
® a 500' FRDM TRF,ATNENT/DISPOSAL WORKS
-- — — apn' SETBACK - INFILTRATION ZINM
—sm �srA— 2OG' SETBACK - INFILTRATION UNITS
—+�—'�— IRO' SETBACK - INFILTRATION UNITS
Ion, SETBACK - TREATMENT PLMT
EXISTING MONITORING n1f.
EZSCING IRRIGATION MELT,
_. •_ 1FO,DDO SF OF `GREEN AREA',
,. •,•�,�„�--,j PER L5A NCAC 2.R.0404(g)(7).
`aY
LOCKING PROCAP
PROTECTAVE li5fNC
LRODNp SURFACE
PIPE PR(LIECP(M1 e 2
[-�
CL5IENF GRi'. v1
Z' PC R35ER
TOP OF RFNrGNIrr
BfRTOerrf
OF iavtl
2- PVC SLGI
SAND PACK
�
C1 �C
a
orFEN
O z
09
RR7T0k4 OF SCREEN
�rarAL GEPtN
MONTIORING WELL Nff-4 DETAIL,
NO SCALE
cr�
m
�
I- BORE HOLE DMETER TO BE A MINIMUM OF FDUR INCHES LARGER
TRAM OUTSIDE Mf ETER OF Z" RISER.
2 RLSCR AND SCREEN TO BE CENrDRDO IN EORE.
7 O O
3. TOP OF WELL SCREEN SHOULD RE ABOVE MEAN HICP SEASONAL
F.P'7i
C� G4
WA,,:?Wvff.. SCREEN DEPTH SH4LL RE ACEQUArE 70 MAINTAIN
�
0.'
THE WATER SURFACE WPNIN WE SCREEN AT ALL DMCS.
� P, d e-"
''0 a+
_
4. RISER AND SCREEN MATERIAL r0 RE COMPA710[C W77N TYPE OF
C S-4
2 .�
CGhWHANT BEING MCNRORED.
5. WELL HEAD TO RE LPB£IED WIT14 WGULT V69?LE WARNING 5AnNG:
W
'
�yE.L 15 FOR wcowfu c AND N07 CONSincR£0 we FOR
}�
Dn'NRING'.
6. WELL 0 BE AFFORDED REASONABLE PROTECION ACpINST OAiUGE
�,
F
AFALR CONSTROCTNN.
T. LOVER TO ACA057
C
p
WELl_ rC HAVE LOCX42LE ANS1rRE
IRmurRORAZED ACCESS AND USE
W
8. WELL TO BE LABELED WRM A COMPLETED M;IAFtCAHON PLATE.
9- WELL SRALI. RE CONSTRUCTED W ACCORDANCE WrrR ,5A NCAC
2C,o10e.
CCCJJJ
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13