HomeMy WebLinkAboutWQ0016226_Final Permit_19990624State of North Carolina
Jepartment of Environment
and Natural Resources
Division of Water Quality
James B. Hunt, Jr., Governor
Wayne McDevitt, Secretary
Kerr T. Stevens, Director
June 24, 1999
Mr. Steven D. Poole
382 Fritts Drive
Thomasville, North Carolina 27360
Dear Mr. Poole:
IT V
0 •
NCDENR
NORTH CAROLINA DEPARTMENT OF
ENVIRONMENT AND NATURAL RESOURCES
Subject: Permit No. WQ0016226
Poole Single -Family Residence
Wastewater Treatment and Drip Irrigation System
Davidson County
In accordance with your application received December 4, 1998 and the additional material received March 9,
1999 and June 9, 1999 we are forwarding herewith Permit No. WQ0016226, dated June 24, 1999, to Mr. Steven D. Poole
for the construction and operation of the subject single-family wastewater treatment and drip irrigation system.
This permit shall be effective from the date of issuance until May 31, 2004, 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. Please be aware of Condition 11 3, which states that a suitable year-round vegetative cover of
shrubs or trees shall be maintained on or around the irrigation area. Also, please note Condition 1: 12, which states that
once the peat filters have been in operation for 10 years, the peat filter media shall be evaluated and replaced if necessary.
If any parts, requirements, or limitations contained in this permit are unacceptable, you have the right to request an
adjudicatory hearing upon written request within thirty (30) days following receipt of this permit. This request must be in
the form of a written petition, conforming to Chapter 150B of the North Carolina General Statutes, and filed with the
Office of Administrative Hearings, P.O. Drawer 27447, Raleigh, NC 27611-7447. Unless such demands are made this
permit shall be final and binding_
One set of approved plans and specifications is being forwarded to you. you need additional information
concerning this matter, please contact Ms. Joni Cardin at (919) 733-5083 extension .
Sincerely ,-
Kerr T. Stevens
cc: Davidson County Health Department
Mr. B.K. Barringer, Jr., P.E. — B.K. Barringer & Associates, P.A.
Winston Salem Regional Office, Water Quality Section
Technical Assistance and Certification Unit
Nan -Discharge Compliance/Enforcement Unit
PO Box 29535, Raleigh, North Carolina 27626-0535 Telephone (919) 733-5083 Fax (919) 733-0719
An Equal Opportunity Affirmative Action Employer 50% recycled110% post -consumer paper
NORTH CAROLINA
ENVIRONMENTAL MANAGEMENT COMMISSION
DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES
RALEIGH
SINGLE FAMILY DRIP IRRIGATION PERMIT
In accordance with the provisions of Article 21 of Chapter 143, General Statutes of North Carolina as
amended, and other applicable Laws, Rules, and Regulations
PERMISSION IS HEREBY GRANTED TO
Steven A Poole
Davidson County
FOR THE
construction and operation of a 360-GPD drip irrigation wastewater treatment and disposal system consisting
of a 1,500-gallon baffled septic tank with a 1/32-inch effluent filter, a 1,500-gallon pump tank with a 35-GPM
pump and audible and visual high-water alarms, three 32.4-square-foot peat filters, a tablet chlorinator, a
2,000-gallon chlorine-contact/storage/pump tank with a 45-GPM pump and audible and visual high-water
alarms, a 8,568-square-foot drip irrigation area with two irrigation zones consisting of seventeen 126-foot drip
irrigation lines each, spaced at two feet on center, approximately 2,142 emitters, a soil-moisture/precipitation
sensor, and all associated piping, valves, and appurtenances to serve the Steven D. Poole Residence on Fritts
Drive (35'52'11" N, 80"08'38" W), with no discharge of wastes to the surface waters, pursuant to the
application received December 4, 1998 and the additional material received March 9, 1999 and June 9, 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 May 31, 2004, and shall be subject to the
following specified conditions and limitations:
I. PERFORMANCE STANDARDS
Upon completion of construction and prior to operation of this permitted facility, a certification
must be received from a professional engineer certifying that the permitted facility has been
installed in accordance with this permit, the approved plans and specifications, and other
supporting materials. If this project is to be completed in phases and partially certified, you shall
retain the responsibility to track further construction approved under the same permit, and shall
provide a final certificate of completion once the entire project has been completed. Mail the
Certification to the Non -Discharge Permitting Unit, P.Q. Box 29535, Raleigh, NC 27626-0535.
The Winston-Salem Regional Office, telephone number (336) 771-4600, shall be notified at least
forty-eight (48) hours in advance of operation of the installed facilities so that an in -place
inspection can be made. Such notification to the regional supervisor shall be made during the
normal office hours from 8:00 a.m. until 5:00 p.m. on Monday through Friday, excluding State
Holidays.
The drip irrigation facilities shall be effectively maintained and operated atall times so that there
is no discharge to the surface waters, nor any contamination of ground waters which will render
them unsatisfactory for normal use. In the event that the facilities fail to perform satisfactorily,
including the creation of nuisance conditions or failure of the irrigation area to adequately
assimilate the wastewater, the Permittee shall take immediate corrective actions including those
actions that may be required by the Division of Water Quality (Division), such as the construction
of additional or replacement wastewater treatment and disposal facilities.
4. The issuance of this permit shall not relieve the Permittee of the responsibility for damages to
surface or groundwaters resulting from the operation of this facility.
5. A leakage test shall be performed on the septic tank and dosing tanks to insure that any exfiltration
occurs at a rate which does not exceed twenty (20) gallons per twenty-four (24) hours per 1,000
gallons of tank capacity. The engineer's certification will serve as proof of compliance with this
condition.
If excavation into bedrock is required for the installation of the septic tank orpeat filters, the pit
shall be lined with a 10-mil synthetic liner.
A sanitary tee shall be installed on the effluent pipe of the septic tank. The engineers certification
will serve as evidence that these specifications have been met.
9. 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.
10. Diversion or bypassing of the untreated wastewater from the treatment facilities is prohibited.
11. The following buffers shall be maintained:
a) 100 feet between wetted area and any residence or places of public assembly under separate
ownership,
b) 50 feet between wetted area and property lines,
c) 100 feet between wetted area and wells,
d) 50 feet between wetted area and drainageways or surface water bodies,
e) 50 feet between wetted area and public right of ways,
f) 100 feet between treatment/storage units and any wells, and
g) 50 feet between treatment units and property lines.
H. OPERATION AND MAINTENANCE REQUIREMENTS
The facilities shall be properly maintained and operated at all times.
Upon classification of the facility by the Water Pollution Control System Operators Certification
Commission, the Permittee shall employ a certified drip irrigation system operator to be in
responsible charge (ORC) of the drip irrigation system. The operator must hold a valid drip
irrigation system certificate and must visit the subject system as often as necessary to insure the
proper operation of the system but in no case less than twice per year with a six month interval
between visits. The ORC must properly manage and document the operation and maintenance of
the system and must comply with all other conditions of Title 15A, Chapter 8G, .0204. Once the
facility is classified, the Permittee must submit a letter to the WPCSOCC which designates the
operator in responsible charge within thirty days after the wastewater treatment facilities are 50%
complete.
3. A suitable year-round vegetative cover of shrubs or trees shall be maintained on or around the
irrigation area.
4. Irrigation shall not be performed during inclement weather or when the ground is in a condition
that will cause runoff.
5. Adequate measures shall be taken to prevent wastewater runoff from the drip irrigation field.
6. The application rate shall not exceed a cumulative loading of24.5 inches over any twelve-month
period at an instantaneous application rate not to exceed 0.35 inches per hour.
7. The facilities shall be effectively maintained and operated as a non -discharge system to prevent
the discharge of any wastewater resulting from the operation of this facility.
8. No type of wastewater other than that from the Steven D. Poole Residence shall be emitted onto
the irrigation area.
9. No traffic or equipment shall be allowed on the disposal area except while installation occurs or
while normal maintenance i5 being performed.
10. The drip irrigation field shall be fenced with at least a two -strand wire fence.
11. The Permittee is responsible for the operation and maintenance of the entire treatment and disposal
system including, but not limited to, the following items:
a. The septic tank shall be checked annually and pumped out as needed.
b. The tablet chlorinator shall be checked every week.
c. The storage, pump, and alarm systems shall be inspected weekly. The scum layer shall be
removed at the same interval as the septic tank is cleaned out.
d. The drip system shall be inspected weekly to make certain of the emitters' proper operation,
that the soil is assimilating the disposed treated wastewater with no surface runoff, and that no
objectionable odors are being generated.
12. Once the peat filters have been in operation for 10 years, the peat filter media shall be evaluated
and replaced if necessary.
III. MONITORING AND REPORTING REQUIREMENTS
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. The Permittee shall maintain records of all maintenance performed on the system and irrigation
area, as required in Condition II 11 for a minimum of five years. This information shall be
provided to the Division upon request.
3
3. Noncompliance Notification:
The Permittee shall report by telephone to the Winston-Salem Regional Office, telephone number
(336) 771-4600, as soon as possible, but in no case more than 24 hours or on the next working day
following the occurrence or first knowledge of the occurrence of any of the following:
a. Any process unit failure, due to known or unknown reasons, that renders the facility incapable
of adequate wastewater treatment, such as mechanical or electrical failures of pumps, emitters,
etc.; or
b. Any failure of a pumping station or treatment facility resulting in a by-pass directly to
receiving waters without treatment of all or any portion of the influent to such station or
facility; or
c. Any event when the disposal pump manually or automatically operates despite the soil-
moisture/precipitation sensor circuit breakers.
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.
4. The Permittee shall maintain a record of the number of times that the drip irrigation system
disposes treated effluent during precipitation events and under conditions when the soil in the
disposal field is saturated.
TV. INSPECTIONS
Adequate inspection, maintenance, and cleaning shall be provided by the Permittee to insure
proper operation of the subject facilities.
2. Any duly authorized officer, employee, or representative of the Division may, upon presentation
of credentials, enter and inspect any property, premises or place on or related to the disposal site or
facility at any reasonable time for the purpose of determining compliance with this permit, may
inspect or copy any records that must be maintained under the terms and conditions of this permit,
and may obtain samples of groundwater, surface water, or leachate.
V. 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 accompanied by an application fee, documentation from the parties involved, and other
supporting materials as may be appropriate. The approval of this request will be considered on its
merits and may or may not be approved.
4. Upon the availability of a municipal or regional sewerage collection system, the subject
wastewater treatment facilities shall be abandoned and all wastewater discharged into the
municipal or regional sewerage system.
4
5. 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.
6. The issuance of this permit does not preclude the Permittee from complying with any and all
statutes, rules, regulations, or ordinances which may be imposed by other government agencies
(local, state, and federal) which have jurisdiction.
7. This permit may be revoked if the Permittee fails to abide by the conditions of the "Operation and
Maintenance Agreement" previously signed by the Permittee.
8. A set of approved plans and specifications for the subject project must be retained by the Permittee
for the life of the project.
9. The Permittee, at least six (6) months prior to the expiration of this permit, shall request its
extension. Upon receipt of the request, the Commission will review the adequacy of the facilities
described therein, and if warranted, will extend the Permit for such period of time and under such
conditions and limitations as it may deem appropriate.
10. No flow shall be tributary to the system permitted herein until the design engineer has provided
the Permittee with a comprehensive description of the permitted treatment and disposal system as
well as a guide for both its operation and maintenance.
Permit issued this tbVtwenty-fourth day of June, 1999
NORTH C OL A E I ON ENTAL MANAGEMENT COMMISSION
/-Kerr T. Steves, Director
Division of Water Quality
By Authority of the Environmental Management Commission
Permit Number WQ0016226
G
Permit No. WQ0016226
June 24, 1999
ENGINEER'S CERTIFICATION
Partial Final
1, , as a duly registered Professional Engineer in the State of
North Carolina, having been authorized to observe (periodically, weekly, full time) the construction of the
project,
Project Name
Location and County
for the Permittee hereby state that, to the best of my abilities, due care and diligence was used in the
observation of the construction such that the construction was observed to be built within substantial
compliance and intent of this permit, the approved plans and specifications, and other supporting materials.
Signature
Date
Registration No.
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OPERATION AND MAINTENANCE AGREEMENT FOR THE
DIVISION OF WATER QUALITY
Name: S j EV& f 7L—c- 54 7cn n c.C-
Address: `Z Fe-rrr s VD lZ--
City:' [ i-iC, VIA SOL-c.i- State: I'll/ L Zip: 2 73 c o
Single Family Residence Wastewater Treatment System
Final Disposal by Drip Irrigation
Permit No. (/J Q 1(,: ?-
-DAU ( Q 50, A-) County
1 agree to operate and maintain the wastewater treatment system as follows:
1. The Permittee is responsible for the operation and maintenance of the
entire treatment and disposal system including, but not limited to, the
following items:
a. The septic tank shall be checked every six months and pumped out
as required.
b. The tablet chlorinator or UV disinfection unit shall be checked
every week.
C. The storage system, pump system, and alarm system shall be
inspected monthly. The scum layer shall be removed at the same
interval that the septic tank is cleaned out.
d. The drip system shall be inspected monthly to make certain of the
emitters' proper operation, that the soil is absorbing the disposed
treated wastewater with no surface runoff, and that no
objectionable odors are being generated.
2. Failure of the permittee to properly operate this system is subject to a
penalty up to $10,000 per day.
3. Failure to meet permit conditions or violations of the State's surface or
groundwater regulations will require cessation of occupancy of the
residence.
I understand that failure to comply with these conditions along with the permit conditions
may result in voiding the pe 't.
Signature:4 Date:
Notary Seal
Notary Signature Date: � J C)q
A�
Ccln
RATING SCALE FOR CLASSIFICATION OF WATER POLLUTION CONTROL SYSTEMS
Name of Facility: Sr c.✓G_N hAJh
Owner or Contact Person: Sri ✓e^j +.j.& -1-6 kc 5 A `'vo [- _
Mailing Address: 3$'� ,e� Q ✓� - o M AS vrLLE e a7 3 0
County: h,4 4'r ►� 5 Telephone: 336, - S/ �4 - 9 -79_Y
Present Classification: New Facility_ Existing Facility
NPDES Per. No. NC00 Nondisc. Per. No.WQ Health Dept.Per No.
Rated by: CNN, (-.-a F Telephone: 33&- 7: / L&oo Dale:
Reviewed by: Health Dept. Telephone:
Regional Office Telephone:
Central Office Telephone:
ORC:S Fr,v dwGF �es,rNKR-- Grade: Telephone:
Check Classification(s): Subsurface Q� Irrigation Land Application
Wastewater Classification: (Circle One) 1 II 111 IV Tota[ Points:
------------------------
i :\1 its :1 i 1 �\11iEs, �M. ru3i1 �1� �� .i :� ►11� is ::1 \ .r IL iri�i� Ife► ��: A�
��,\� i i± � �:. ] Iw :1���\I ��i Ia � ia�y �� � i.. �\ � � � 1. Lla h.� ���► y ►. �\: � .� JI♦
:a� -i: Itl ►Ili .1.�► ► :i � uJ ?�tilu :1 a. �►
SUBSURFACE CLASSIFICATION b t P
(check alt units that apply)
1. septic tanks
2. pump tanks
3. siphon or pump -dosing systems
4. sand filters
5. grease traplinterceptor
6. oil/water separators
7. gravity subsurface treatment and disposal:
B. pressure subsurface treatment and disposal:
6RFW.' IRRIGATION CLASSIFICATION
(check all units that apply)
1. preliminary treatment (definition no. 32 )
2. lagoons
3. ✓ septic tanks
4. 1 pump tanks
5. pumps r
6. y seftd filters i o Lr QS, SLorf
,4rva Pr.gr
7- grease traprinterceptor
8. oil/water separators
9._�rl disinfection
10. chemical addition for nutrient/algae control
11. it spray irrigation of wastewater
1>Q , f
In addition to the above classifications, pretreatment of wastewater In excess of these components shrill
be rated using the point rating system and will require an operator with an appropriate dual certification.
LAND APPLICATIONS 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 classification, unl@5S the flow is of a significant quantity or the technology is unusually
complex, to require consideration by the Commission on a case -by -rase basis: (Check if Appropriate)
1. OiVwater Separator Systems consisting only of physical separation, pumps and disposal;
2. Septic Tank/Sand Filter Systems consisting only of septic tanks, dosing apparatus, pumps,sand filters, 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 oil/water separators, pumps, air -stripping, carbon adsorption, disinfection
and dispo„J;
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, with the exception of Aerobic Treatment Units, wilt be cfassiiied if permitted alter July 1,
1993 or 4 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 reclassification by the Commission, in wriling.
The following scale is used for rating wastewater treatment facilities: (circle appropriate points)
REM POINTS
(1) Indusidaf Pretreatment Units or lndustrlal Pretreatment Program (see definition No. 33)...................................................4
(2) DESIGN
FLOW OF PLANT IN gpd (not applicable to non -contaminated cooling waters, sludge handling facilities for
water purification
plants, totally closed cycle systems(see definition No, 11), and facilities consisting only of hem
(4)(d) or
Items (4)(d) and (11)(d)j
0 - 20,000................................................................................................................................................1
20.001 - 50,000......................................................................................................................................2
50,001 - 100,000.....................................................................................................................................3
100,001 250.000...................................................................................................................................4
250,001 - 500,000...................................................................................................................................5
500,001 - 11000,000................................................................................................................................8
1.000.001 - 2,000,000...........................................................................................................................10
2,000,001 (and up) rate 1 point additional for each 200.000 gpd capacity up to a maximum of .................30
Design Flow (gpd)
(3) PRELIMINARY
UNIT31PAOCESSES (see definition No.32)
(a)
Bar Screens...............................................................................................................................................1
(b)
or
Mechanical Screens, Static Screens or Comminuting Devices... ......................................... ..................... 2
(c)
Grit Remrrvat..............................................................................................................................................1
(d)
or
Mechanical orAerated Grit Ramoval.............................................................................................................2
(a)
Flow Measuring Devica................................................................................................................................1
(f)
or
Instrumented Flow Measurement................................................................................................................2
(g1
Preaeration...............................................................................................................................................2
(h)
Influert Row Equalization ........................................... :.................................................................... .......... 2
(i)
Grease or Oil Separators , Gravity..................................................................................................................2
Mechanical.................................................................................................................................................3
DissolvedAir Flotation................................................................................................................................8
())
PrecNorinatlon..........................................................................................................................................5
(4) PRIMAR`(TREATMENT UNUSlPROCESSES
(a)
Septic Tank (sae definition No. 43)............................................................................................................2
(b)
Imhoit Tank..............................................................................................................................................5
(c)
Primary Clarifiers........................................................................................................................................5
(d)
Settling Ponds or Senling Tanks for inorganic Norrto4c Materials (sludge handling faciiNies for water
purification plants, sand, gravel, stone, and other mining operations except recreational activities such as gem
orgoM mining)........................................................................................................................................2
(5) SECONDARY TREATMENT UNIT&PROCESSES
(a)
Carbonaceous Stage
(1) Aeratlon-High Purity Oxygen System..............................................................................20
DiffusedAirSystem.......................................................................................................1 0
Mechanical Air System (fixed, floating or rotor).. ...................... ............... ....... ................. 8
SeparateSludge ReaeralIon.............................................................................................3
Tdckiing Filter
HighRate.......................................................................................................................7
StandardRate................................................................................................................5
PackedTower.......................................................................................................I.........5
(€il) Biological Aerated Fiffer or Aerated Biological Fifter............................................................1 0
(Ivj Aerated Lagoons..........................................................................................................10
(v) Rotating Biological Contactors.....................................................................................10
(V€) Sand Filters -intermittent biological..................................................................................2
Recirculatingbiological- ................................................................................................... 3
(Vll) Stabllizailon Lagoons....... .............................................................................................. 5
(v€ti) Clarifier.................................................................................................................5
(Ix) Single stage system for combined carbonaceous removal of SOD and nitrogenous removal by
nitrification (see definition No. 12)(Poinis for this item have to be in addition to hems
(5)(a)(1) through (5)(a)(viii),
utilizing the extended aeration process (see definition No.3a)...........................................2
utilizing other than the extended aeration process............................................................8
(x ) Nutrient additions to enhance BOO removal......................................................................5
(x1) Biological Culture ('Super Bugs')addition........................................................................5
(b)
Nitrogenous Stage
(1) Aeration - High Purity Oxygen System.............................................................................20
DiffusedAir Systam......................... ........................................ ............... .................... -.1 0
Mechanical Air System (fixed. floating or rotor) .................................... ...._....... ................
SeparateSludge Reaeration.............................................................................................3
(€I) Tdckling Flller-High Rate...................................................................................................7
Standard Rate ................ :........ ............................................................. ......................... 5
PackedTower.................................................................................................................5
(ill) Biological Aerated Filter or Aerated Biological Fitter .................. _......................................... 10
(Iv) Rotating Biological Conlactors......................................................................................10
(v) Sand Fitter - Intermittent biological..................................................................................2
Recirculatingbiological....................................................................................................
(VI) Clarifier ...........................................................................................................................5
(6} TERTSARYORADVANCEDTRE,4TM$YTUVfTSPROGESSES
(a)
Activated Carbon Beds -
without carbon regeneration ...... .............................. ....................................... I........I............ 5
withcarbon reganeratlon.......................................................................................................i s
(b)
Powdered or Granular Activated Carbon Faed-
without carbon regeneratlon............................................................................................... S
:vhh carbon rage notation.....................................................................................................15
(c)
Air strlpping.............................................................................................................................................5
(d)
Oanhrtflrallon Process..............................................................................................................................10
(e}
Electrodialysis............................................................................................................................................5
{f)
Foam Separation........................................................................................................................................5
{ g }
Ion Exchange............................................................................................................................................5
(h)
land Application of Treated Etiluenx (see definition No. 22b) (not appilcable for sand, gravel, stone
and other similar mining operations) by high rate Infiltration..........................................................................4
(I)
Microscreens............................................................ ........................................................ ........ 1............... ,5
{))
Phosphorous Removal by Biological Processes (Sao donnhlon No. 26).........................................................20
(k)
Polishing Ponds - without aeration.....................................................................................I....................1.2
with aeration ....................... :...... ......................................................... .............. ........ .....
(1)
Post Aeration - cascade..............................................................................................................................0
diffusedor mechanical........................................................................................................2
(m)
Reverse Osmosis........................................................................................................................................5
(n)
Sand or Mixed -Media Filters - low rate.................................................................................................I........2
highrate......................................................................5
(o)
Treatment processes for removal of metal or cyanide...................................................................................1
5
(p)
treatment processes for removal of toxic materials other than metal or cyanide..............................................15
(7)
SLUDGETREATMENT
(a)
Sludge Digestion Tank - Healed (anaerobic)............................................................................................10
Aerobic...................... ..................................................................................... .................. ............
Unheated (anaerobic)...........................................................................13
.................................................. .
(b)
Sludge Stabfflzatfon (chemical or thermal).............................................................................................,.5
(c1
Sludge Drying Beds - Gravity ....................................................................................................................2
Vacuum Assisted......................................................... ..............................................................................5
(d)
Sludge Elutriallon.....................................................................................................................................5
e
Sludge Conditioner chemical or thermal..........................................................................................5
(1)
Sludge Thickener (gravity)........................................................................................................................15
(g)
Dissolved Air Flotation Unit [not applicable to a unit rated as(3)(1)].............................................................8
(h)
Sludge Gas Utilization (including gas storage).............................................................................................2
(f)
Sludge Holding Tank - Aerated....................................................................................................................5
Non-aerated................................................................................................................2
(])
Sludge Incinerator (not Including activated carbon regeneration) ................... ....................................
(k)
'.,.....,10
Vacuum Fifter, Centrifuge, or Filter Press or other similar dowatering devices .................................................
.t 0
(a)
RESIDUALS UTILIZATION/OISPOSAL (inciuding 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
orlandfill permit........................................................................................................................................2
(c)
Dedicated Landfill(burial) by the permittee of the wastewater treatment lacMly...............................................5
(9)
DISINF7ECTION
(a)
Chlorination ................................................. ...................................--...---..................................................
(b)
Dechlorinalion........... ............................ .............................................. ............................................ ........
(c)
Ozone ........................................... ........................--................................................................................5
(d)
Radiation ........................... ....................................---.................................................5
(IC)
CHEMICAL ADDITION SYSTEM(S) ( see definition No. 9) jnot applicable to chemical additions rated as item (3)(j),
(5)(a)(xi),
(6)(a), (6)(b), (7)(b), (7)(e), (go). (9)(b) or (9)(c) 5 points each:
List......................................................................................................................................5
........ ............................. ......................................................... I——............
................. .......
........................................................................................................................
.......................................................................................................................
5
(1 1)
MISCELLANEOUS UNITS/PROCESSES
(a)
Holding Ponds, Holding Tanks or Settling Ponds for Organic or Toxic Maledafs Including wastes from mining
operations containing nitrogen or phosphorus compounds In amounts significantly greater than Is common
fordomostic wastewater............................................................................................................................4
(b)
Effluent Flaw Equalization (not applicable to storage basins which are inherent In land application systems)......2
(c)
Stage Discharge (not applicable to storage basins Inherent In land application systems)..................................5
(d)
Pumps.....................................................................................................................................................3
(e)
Stand -By Power Supply_ ............................. .................................. .......... ........ _ ....................
(f)
Thermal Pollution Conirol Device................................................................................................................3
TOTALPOINTS ............................................... •..........................
,M � 1 i..i 1�►.
classl............................... ............................................................................5-25 Points
ClassII ........................... ......... ........ ............................................................. 26-50 Points
classili................................... ................... ............... 51-65 Points
Class1V .................................... ................................... ......................... .......
66-Up Points
-------------------------------------------------------------
Facilities having a rating of one through four points, inclusive, do not require a certitled operator.
Fa6lities having an activated sludge process will be assigned a minimum classification of Class If.
Facilities having treatment processes for the removal of metal or cyanide will be assigned a minimum classification of Class If.
Facilities having treatment processes for the biological removal of phosphorus will be assigned a minimum classrTrcalion of Class ]if.
-------------------------------------------------------------
.0004 DERNRIONS
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 upftow or downflow carbon bads. Carbon may or
may not be regenerated on the wastewater 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) Aeration. A process of bringing about Intimate contact between air or high purity oxygen In a liquid by spraying, aghatlon or diffusion;(3a) Exlended
Aerallon. An activated sludge process utilizing a minimum hydraulic detention time of 1B hours.
(4) Agricuflurally managed site. Any site 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 converted to dissolved ammonia (pH adjustment) with the ammonia then released to tN
atmosphere by physlcaf means; or other similar processes which remove petroleum products such as benzene, toluene, and xylene;
(6) Carbon Regeneration- The regenerallon of exhausted carbon by the use of a furnace to provide extremely high temperatures which volatilize and oxidize the
absorbed fmpuritlea;
(7) Carbonaceous Stage. A stage of wastewater treatment designed to achieve "secondary" effluent limits;
(8) Centrifuge. A mechanical device in which centrifugal force Is used to separate solids from liquids or to separate liqulds of d-dferent densiiias;
(9) Chemical Addrtlon Sysloms- The addtlon of chemlcal(s) to wastewater at an application point for purposes of improving solids removal, pH adjustment,
alkalinity control, etc.; the capability to experiment with different chemicals and different appllcatlon points to achieve a specific result will be considered one
system; 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 dlfferanl
purposes will result in the tystems 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
its application to a dewatering device;
(11) Closed Cycle 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 Nhrffication- A single stage system required to achieve permit effluent limits on BCD
and ammonia nitrogen within the same blologlcal reactor,
(13) Dechlorinatlon. The partlaf or complete reduction of residual chlorine In a liquid by any chemical or physical process;
(14) Dennrificaslon Process. The conversion of nhraio-nitrogen to nitrogen gas; _
(15) E€ectrodialysis. Process for removing Ionized salts from water through the use of ion -selective ion -exchange membranes;
(16) Filter Press. A process operated mechanically for partlally dewatering sludge;
(17) Foam Separation. The planned frothing of wastewater or wastewater effluent as a means of removing excessive amounts al detergent materials through
the introduction of air in the form of fine bubbles; also called foam fractionation;
(113) Grit Removal. The process of removing grh and other heavy mineral matter from wastewater;
(19) Imhoff Tank. A deep two story wastewater tank consisting of an upper sedimentation chamber and a lower sludge digestion chamber.
(20) Instrumented Flow Measurement. A device which indicates and records rate of flow;
(21) Ion Exchange. A chemical process in which ions from two differerd molecules are exchanged;
(22) Land application:
(a) Sludge Disposal. A final sludge disposal method by which wet sludge may be applied to land either by spraying on the surface or by subsurface injection
(I.e.. chisel plow); [not applicable for types Of sludge described In (11) of this Rule);
(b) Treated Effluer4. The process of spraying treated wastewater onto a land area or other methods of application of wastewater onto a land area as a
means of final disposal or treatment;
(23) Microscreen. A low speed, continuously back -washed, rotating drum filter operating under gravity conditions as a polishing method for removing
suspended solids from effluent;
(24) Nitrification Process. The biochemical conversion of unoxidized nitrogen (ammonia and organic nitrogen) to oxidized nitrogen (usually nitrate);
(25) Nitrogenous Stage. A separate stage of wastewater treatment designed for the specific purpose of converting ammonia nitrogen to nitrate nitrogen;
(26) Phosphate Removal, Biological. The removaf of phosphorus Irom wastewater by an oxiclanoxic process designed to enhance luxury uptake of phosphorus
by the microorganisms;
(27) Polishing Pond. A holding pond following secondary treatment with sufficient detention time to allow settling of finely suspended solids;
(28) Post Aeration. Aeration following conventional secondary treatment units to Increase effluent D.O. or for any other purpose;
(29) Post Aeration. (Cascade) A polishing method by which dissolved oxygen is added to the effluent by a nortmechanical, gravity means of flowing down a
series of steps or weirs; The flow occurring across the steps or weirs moves in a fairly thin layer and the operation of the cascade requires no operator
adjustment,, thus, zero points are assigned even though this Is an essential step to meeting the limits of the discharge perm t;
(2u) Powdered to Granular Activated Carbon Feed. A blophysical carbon process that utilizes biological activity and organic absorption by using powdered or
granular activated carbon', Virgin or regenerated carbon is feed comroked into the system;
(31) Preaeration. A lank constructed to provide aeration prior to primary treatment;
(32) Preliminary Units, Unit operations in the treatment process, such as screening and comminution, that prepare the liquor for subsequent major operations;
(33) industrial Pretreatment.
(a) Pre-treatment Unh, Industrial. The condfttoning of a waste at its source before discharge, to remove or to neutralize substances injurious to sewers and
treatment processes or to effect a partial reduction in load on the treatment process which is operated by the same governing body as the wastewater
treatment plant being rated;
b) Pre-treatment Program. Industrial - must be a State or EPA required program to receive paints on the rating sheet;
(34) Primary Clarifiers. The first settling tanks through which wastewater is passed In a treatment works for the purpose of removing senieabie and suspended
solids and BCD which is associated with the solids;
(35) Pumps. All influent, effluent and in•plarrt pumps;
(36) Radiation. Disinfection or sterilization process uliUzing devices emitting ultint0olet or gamma rays;
(37) Reverse osmosis, A ireatmerrl process In which a heavy contaminated liquid is pressurized through a membrane forming nearly pure liquid free from
suspended solids;
(38) Rotating Biological Contractors. A fixed biological growth process in which wastewater flows through tanks in which a series of partially submerged circular
surfaces are rotated;
(39) Sand Fillers:
(a) Intermittent Biological. Filtration of effluent following septic tanks, lagoons, or some other treatment process in which further biodecomposhlon is
expected to produce des€red effluents; Hydraulic loading rates on those filters are computed In gpolac and have a resulting low gpmrsl (less than one);
b) Recirculating biological - the same type of sand lifter as defined in Subparagraph (39) (a) of this Pula with the added capability to recycle effluent back
through the sand hirer;
(40) Sand or Mixed -Media F€hers. A polishing process by which effluent limits are achieved through a further reduction of suspended solids;
(a) low rate -- gravity, hydraulically loaded titter with loading rates In the one to three gpmVe range;
(b) high rate •- a pressure, hydraulically loaded filter with loading rates in the five gprrVsf range; At any rate, the loading rate will exceed three gprrJsf;
(41) Secondary Clarifiers. A tank which follows the biological unit of ireatment plant and which has the purpose of removing sludges associated with the
biological treatment units;
(Q) Separate Sludge Reaoration. A par; of the contact stabilization process where the activated sludge Is transferred to a tank and aerated before retuming it
10 the contact basin;
(43) Septic Tank A single story settling tank in which settled sludge is In contact with the wastewater flowing through the tank; shall not be applicable for
seolic tank systems serving single family residences having capacity of 2,000 gallons or less which discharge to a nhrfficalion field;
(d4) Shale digestion. The process by which organic or volatile matter and sludge is gas iied, liquefied, mineralized or converted into more stable organic matter
through the activity of living organisms, which Includes aerated holding tanks;
(L5) Sludge Drying Beds. An area comprising natural or artificial layers of porous materials upon which digested sewage sludge is dried by dralnaga and
evaporation;
(46) Sludge ESutriaiion. A process of sludge conditioning in which certain consifluorlis are removed by successive washings with fresh water or plant affluent;
(47) Sludge Gas Utilization. The process of using sewage gas for the purpose of heating buildings, driv;ng engines, etc.;
(A -a) Sludge Bolding Tank (Aerated and Nonasratad). A lank utilized for small wastewater treatment plants not containing a digester In which sludge may be
kept fresh, and supernatant withdrawn prior to a drying method (i.e. sludge drying beds); This may be done by adding a small amount of air simply to keep the
sludge fresh, but not necessarily an amount that would be required to achieve stabilizatlon of organic matter. A nonaerated tank would simply be used to
decant sludge prior to dawalaring and would not allow long periods (several days of detention) without resulting odor problems;
(49) Sludge Incinerators. A furnace designed to bum sludge and to remove all moisture and combustible, materials and reduce the sludge to a sterile ash;
(50) Sludge Stabilization (Chemical or Thermal). A process to make treated sludge less odorous and putrescible, and to reduce the pathogenic organism
content; This may be done by pH adjustment, chlorine dosing, or by heat treatment;
(51) Sludge Thickener. A type of sedimentation tank In which the sludge Is permi3led to settle and thicken through aghafion and gravity;
(52) Stabilization lagoon. A type of oxidation lagoon in which biological oxidation of organic matter Is effected by natural transfer Of oxygen to the water from
air (not a polishing pond);
(53) Stand -By Power Supply. On site or portable electrical generating equipment;
(S4) Static Screens. A stationary screen designed to remove solids, including non -biodegradable particulate (floatable solids, suspended solids and BOO
reduction) from municlpaf and industrial wastewater treatment systems;
(55) Tertiary Treatment. A stage of treatment following secondary which is primarily for the purpose of effluent polishing; A settling lagoon or sand or coal ilher
might be employed for this purpose;
(56) Thermal Pollution Control Device. A device providing for the transfer of heat from a fluid flowing in tubes to another fluid outside the tubes, or vice versa;
or other means of regulating liquid temperatures;
(57) Thermal Sludge Conditioner. A conditioning process by which heat Is added for a protracted period Of time to improve the dowaterabilhy of sludge by the
solubilizing and hydraulizing of the smaller and more highly hydrated sludge particles;
(50) Toxic Materials. Those wastes or combinations of wastes. Including cilsease-causing agents which alter discharge and upon exposure, ingestion, Inhalation
or assimiration into arty organism, either directly from the environment or indirectly by ingestion through food chains, will cause death, disease; behavioral
ahnormalilies, cancer, genetic mutations. physiological malfunctions (Including malfunctions In reproduction) or physical deformations. In such organisms or their
offspring; Toxic materials Include, by way of Illustration and rot limitation: lead, cadmium, chromium, mercury, vanadium, arsenic, zinc, ortho-nitro-chlorobenzene
(ONCE), polychlorinated biphenyls (PCBs) and dichlorodiphenyl trichloroethane (DDT); and any other materials that have or may hereafter be determined to have
toxic properties;
(59) Trickling Filter. A biological treatment unit consisting of a material such as broken stone or rock over which wastewater is distributed; A high rate trickling
filter Is one which operated at between 10 and 30 mgd per acre, A low Tale trickling filter is one which is designed to operate at one to four mgd per acre;
(60) Trickling Fitter (Packed Tower). A plug flow type of operation In which wastewater flows down through successive layers of media or filtrate material; organic
material is removed corrtlnually by the active biological fixed growth In each successive layer. This method may produce 'secondary' quaftty affluent, or may be
adapted to produce a nitrifled effluent;
(1331) Vacuum Filer, Centrifuges, or Filer Presses- Devices which are deslgnad to remove excess water from either digested or undigested sludge prior to disposal
or further treatment.