WQ0004828_Final Permit_19910507

A A
State of North Carolina.
Department of Environment, Health and Natural Resources
Division of Environmental Management
512 North Salisbury Street - Raleigh, North Carolina 27626-0535
James G. Martin, Governor
William W. Cobey, Jr., Secretary
George T. Everett,Ph.D.
Director
May 7, 1991
Mr. Howard K. Fisher, Director of Physical Plant
Waite County Board of Education
1551 Rock Quarry Road
Raleigh, NC 27610
Subject: Permit No. WQ0004828
Wake County Board of Education
Smith Elementary School
Subsurface Disposal System
Wake County
Dear Mr. Fisher:
In accordance with your application received March 14, 1991, we are forwarding herewith
Permit No. WQ0004828, dated May 7, 1991, to the Wake County Board of Education - Smith
Elementary School for the continued operation of a 6,000 GPD subsurface wastewater disposal
system.
This permit shall be effective from the date of issuance until rescinded, and shall be subject
to the conditions and limitations as specified therein. Please pay particular attention to the
monitoring requirements in this permit. Failure to establish an adequate system for collecting and
maintaining the required operational information will result in future compliance problems.
If any parts, requirements, or limitations contained in this permit are unacceptable to you,
you have the right to request an adjudicatory hearing upon written request within 30 days
following receipt of this permit. This request must be in the form of a written petition,
conforming to Chapter 150B of North Carolina General Statutes, and filed with the Office of
Administrative Hearings, P.O. Drawer 27447, Raleigh, NC 27611-7447. Unless such demands
are made this permit shall be final and binding.
Pollution Prevention Pays
P.O. Box 29535, Raleigh, North Carolina 27626-0535 Telephone [phone]
An Equal Opportunity Affirmative ,Action Employer

Mr. Fisher
May 7, 1991
Page Two
If you need additional information concerning this matter, please contact Mr. Lindsay L.
Mize at 919/ 733-5083.
9M
Wake County Health Department
Raleigh Regional Office
Groundwater Section
Training and Certification Unit
Holloway - Reeves and Associates
Tarn Moss - Wake County of Environmental Health

NORTH CAROLINA
ENVIRONMENTAL MANAGEMENT COMMISSION
DEPARTMENT OF ENVIRONMENT, HEALTH AND NATURAL RESOURCES
RALEIGH
SUBSURFACE DISPOSAL 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
Wake County Board of Education
Wake County
00" _r.� .
continued operation of an existing 6,000 GPD subsurface wastewater disposal system consisting
of a 12,000 gal septic tank, two alternating siphon bells, two dosing tanks, and two nitrification
Melds to serve Wake County Board of Education - Smith Elementary School with no discharge of
wastes to the surface waters, pursuant to the application received March 14, 1991 and in
conformity with the project plan, specifications, and other supporting data subsequently filed and
approved by the Department of Environment, Health and Natural Resources and considered a part
of this permit.
This permit shall be effective from the date of issuance until rescinded, and shall be subject to
the following specified conditions and limitations:
1. In the event that the facilities fail to perform satisfactorily, including the creation of
nuisance conditions, the Permittee shall take immediate corrective action, including
those as may be required by this Division, such as construction of additional or
replacement wastewater treatment or disposal facilities.
2. The issuance of this permit shall not relieve the Permittee of the responsibility for
damages to surface or groundwaters resulting from the operation of this facility.
3. This permit shall become voidable if the soils fail to adequately absorb 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.
4. Adequate measures shall be taken to divert stormwater from the disposal area and
prevent wastewater runoff from the subsurface disposal field.
5. The sludge generated from these treatment facilities must be disposed of in
accordance with General Statute 143-215.1 and in a manner approved by the North
Carolina Division of Environmental Management.

6. A usable reserve area shall be maintained for wastewater disposal. The reserve area
shall have the capability of accommodating the average daily flow of the facility
being served without exceeding the loading rates of the reserve area while meeting
all required buffer requirements.
7. The following buffers shall be maintained(existing facilities may be exempt):
a) 100 feet between disposal area and any public or private water supply including
wells
b) 100 feet between disposal area and "SA and SB" classified surface waters
c) 50 feet between disposal area and any stream, lake, river or natural drainageway
d) 50 feet between disposal area and property lines
e) 10 feet between disposal area and surface water interceptor drains or diversions
(upslope)
f) 25 feet between disposal area and surface water interceptor drains or diversions
(downslope) and groundwater drainage systems.
11. OPERATION AND MAINTENANCE REQUIREMENTS
1. The facilities shall be properly maintained and operated at all times.
2. Upon classification of the facility by the Certification Commission, the Permittee
shall employ a certified waster treatment plant operator to be in responsible charge
of the wastewater treatment facilities. The operator must hold a certificate of the
type and grade at least equivalent to the classification assigned to the wastewater
treatment facilities by the Certification Commission.
3. The application rate to the disposal fields shall not exceed 6,000 gallons per day.
4. 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.
5. No traffic or equipment shall be allowed on the disposal area except while
installation occurs or while normal maintenance is being performed.
6. A suitable cover shall be maintained on the fields and the fields shall be kept
mowed. The clippings shall be removed to prevent the build up of thatch.
III. MONITORING AND REPORIING RFOUIREMENTS
1. Any monitoring deemed necessary by the Division of Environmental Managerntnt
to insure surface and ground water protection will be established and an acceptable
sampling reporting schedule shall be followed.
2. A record shall be maintained of all residuals removed from this facility. This record
shall include the name of the hauler, permit authorizing the disposal or a letter from
a municipality agreeing to accept the residuals, date the residuals were hauled, and
volume of residuals removed.

3. Noncompliance Notification:
The Permittee shall report by telephone to the Raleigh Regional Office, telephone
no. 9191733-2314, 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 render 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.
d. Any time that self monitoring information indicates that the facility has gone
out of compliance with its permit limitations.
Persons reporting such occurrences by telephone shall also file a written report in
letter form within 15 days following first knowledge of the occurrence. This report
must outline the actions taken or proposed to be taken to ensure that the problem
does not recur.
IV. GRQUNDWATER REQUIREMENTS
Any groundwater quality monitoring as deemed necessary by the Division of
Environmental Management shall be provided.
V. INSPECTIONS,
1. Adequate inspection, maintenance, and cleaning shall be provided by the Permittee
to insure proper operation of the subject facilities.
2. The Permittee or his designee shall inspect the wastewater treatment and disposal
facilities to prevent malfunctions and deterioration, operator errors and discharges
which may cause or lead to the release of wastes to the environment, a threat to
human health, or a nuisance. The Permittee shall keep an inspection log or
summary including at least the date and time of inspection, observations made, and
any maintenance, repairs, or corrective actions taken by the Permittee. This log of
inspections shall be maintained by the Permittee for a period of three years from the
date of the inspection and shall be made available upon request to the Division of
Environmental Management or other permitting authority.
3. Any duly authorized officer, employee, or representative of the Division of
Environmental Management may, upon presentation of credentials, enter and
inspect any property, premises or place on or related to the disposal site and facility
at any reasonable time for the purpose of determining compliance with this permit;
may inspect or copy any records that must be kept under the terms and conditions
of this permit; or may obtain samples of groundwater, surface water, or leachate.
3

VI. GENERAL CONDITIONS
1. This permit shall become voidable unless the facilities are constructed in accordance
with the conditions of this permit, the approved plans, specifications and other
supporting data.
2. This permit is effective only with respect to the nature and volume of wastes
described in the application and other supporting data.
3. This permit is not transferable. In the event there is desire for the facilities to
change ownership, or there is a name change of the Permittee, a formal permit
request must be submitted to the Division of Environmental Management
accompanied by an application fee, documentation from the parties involved, and
other supporting materials as may be appropriate. The approval of this request will
be considered on its merits and may or may not be approved.
4. Prior to any transfer of this land, a notice shall be given to the new owner that gives
full details of the materials applied or incorporated at this site.
5. The annual administering and compliance fee must be paid by the Permittee within
thirty (30) days after being billed by the Division. Failure to pay the fee
accordingly may cause the Division to initiate action to revolve this permit as
specified by 15 NCAC 2H .0205 (c) (4).
6. Failure to abide by the conditions and limitations contained in this permit may
subject the Permittee to an enforcement action by the Division of Environmental
Management in accordance with North Carolina General Statute 143-215.6.
7. The wastewater treatment facility shall connect to a publicly owned areawide
sewage collection system within 180 days of its availability. All discharge of
wastewater to the system shall cease at the time of the connection to the sewerage
collection system.
8. The issuance of this permit does not preclude the Permittee from complying with
any and all statutes, rules, regulations, or ordinances which may be in posed by
other government agencies (local, state, and federal) which have jurisdiction.
9. The Permittee, at least six (6) months prior to the expiration of this permit, shall
request its extension. Upon receipt of the request, the Commission will review the
adequacy of the facilities described therein, and if warranted, will extend the permit
for such period of time and under such conditions and limitations as it may deem
appropriate.
Permit issued this the 7th day of May, 1991
h'►���" Iwo • ' • _ 1► a
�.
eorge T. Ever t,
6 Division of En r
By Authority of the
PERMIT NO. WQ0004828
'AL MANAGEMENT COMMISSION
Management Commission
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1

(MISCELLANEOUS UNITS CUNTINIIED) POINTS
(c) Holding Pond for Effluent Flow Equalization and/or
Stage Discharge . . . . . . . . . . . . . . . . . . 5
d) Effluent Pumps 3
e) In -Plant Pumps (including air lifts). 2
f) Stand -By Power Supply . . . . . . . . . . 3
g Thermal Pollution Control Device . . . . . . . . . 3
(h� Treatment Processes for Removal of Metal or Cyanide and
other Toxic Materials . . . . .. . . . . . . . . 30
Total Points
AIC,
CLASSIFICATION
class i . . . . . . . . . . . . . . . . 5 - 25 Points
C1 ass 11 . . . . . . . . . 26 - 50 Points
Class Ill . . . . . . . . . 51 - 65 Points
class IY . . . . . . . . . . 65 - Up Points
Facilities having a rating of one through four points, inclusive,
do not require a certified operator. Classification of all other
facilities requires a comparable grade operator in responsible charge.
-4-
North Carolina
Division of Environmental Management
Checklist of Facility Components
To be Used In Determing Facility Classification
All information will be print/ed: 7, L C
Name of Plant f (fih1 e COU{I�4 M2,11,ZI 29i E_Al10d," ✓f71�f�i }rr�u
County 1-6,1 \ e
Owner or Contact Person �01,erl-dr.S6e
-e e'Tl p
Mailing Address 1 sSl Roc F Qyzrrya0 a61Pr l:6 :2 2A U_
Street or No_ o�r�'n or CitYTP
y
Number Informatlon Construction Status
NPOES Permit No. Please Check: L �' S rrb,. �'
h�
Existing Facility Z, f�rav:Ur/sly
Date Issued Upgraded Facility
New Facility
State Permit No_ r �� � __ if Upgraded or New-Ta—Cility. Give:
SOX Completion Date
Date Issued -7, (9 � � _ 1DO% Completion Date
Rated by L trl� f�-t final Office Date C(
Operator in Responsible charge Grade
Design Flow of Plant in GPD 0 Plant Class
ITEM POINTS
(1)
PRETREATMENT UNITS (see definition No. 34) . . . . . . . . 2
(2)
DESIGN FLOW OF PLANT IN GPD (not applicable to non -
contaminated cooling waters and non -discharging systems
0 -- 20,000 . . . . . . .. . . . . . 1
20,001 -- 50,000 . . . . . . . . . . . . . . . . 2
501001 -- 100,000 . .3
100,001 -- 250,000 . . . . . . e . . . 4
250,001 -- 500,000 . . . . . . . . . . . . . . . . . 5
5001001 - 1.000.000 . . . . . . . . . . . . . . . . . . 8
1.000,001 -- 2.O0D,DO010
�I
2.000.001 (and up) - rate point additional for each'200,000
GPD capacity up to a maximum of 30
Design Flow (GPD):
(3)
PRELIMINARY UNITS (see definition No. 3 . . . . . . . ..
(a) Influent Pumps (including air lift) . . . . . . . . . 3
(b) Bar Screens . . . . . . . . . . . . . • • . . • • • • 1
Or
(c) Mechanical Screens, Static Screens or Comminuting
Devices . . . . . . . . . . . . . . . . . . . . 2
(d) Grit Removal or . . . . . . . . . . . . . . . 1
(e) Mechanical or Aerated Grit Removal . . . . . . . . . 2
(f) Flow Measuring Device or . . . . . . . . . . . . . . I
(g) instrumented Flow Measurement . . . . . . . . . . . . 2
Effective
4/1187

(4)
(5)
(6)
ITEM
(h) Preaeration or Equalization
POINTS
(i)
Grease or Oil Separators -- Gravity . . . . . . . .
2
POINTS
Mechanical. . . . . . .
3
Land Application (see definition No. 23b)
Aerated . . . . . . . .
5
(j)
Chemical Conditioning . . . . . . . . . . . . . . .
5
PRIMARY
TREATMENT UNITS
MI croscreens . . . . . . . . . . . . ... . . .
(a)
Septic Tank (see definition No. 44) . . . . . . .
(k)
(b)
Imhoff Tank . . . . . . . . . . . . . . . . .
3
(c}
Primary Clarifiers (including sludge a1r lifts)
5
d)
Settling Pouds or Settling Tanks for Inorganic Non -
With aeration . . . . . . . . . .
5
Toxic Materials Involving a Discharge to the Surface
(m)
Post Aeration - Cascade . . ... . . . . . . . . .
waters (sand, gravel, stone, and other mining operations
except recreational activities such as gem or gold
5
mining) .10
Pre -Package Unit for Removal of Oil and GreaSt
SECONDARY TREATMENT UNITS
(a)
Carbonaceous Stage
5
(i) Aeration - High Purity Oxygen System . . . .
20
2
Diffused Air System . .
10
High Rate
Mechanical Air System (fixed, floating or rotor)
2
SLUDGE TREATiiENT
Separate Sludge Reaeration . . . . . . . . .
3
(a)
Trickling -Filter - High Rate . . . . . . . .
7
Standard Rate . . . .
5
5
Packed Tower . . . . . . .
5
Unheated . . . .
(III) Aerated Lagoons . . . .
10
(b)
(1v) Rotating Biological Contactors (blodisc). . .
10
(v) Sand Filters (intermittent biological) . . .
2
2
(vij Stabilization Lagoons
5
Sludge Elutriation. . . . . . . .
(viI Clarifier (including sludge air lifts), . . .
5
(b)
Nitrogenous Stage
S
(i) Aeration - High Purity Oxygen System. .
20
2
Diffused Air Systemms. . . . . . . . . . .
10
Sludge Gas utilization (Including gas storage),
Mechanical Air System (fixed, floating, or rotor)8
h)
Separate Sludge Reaeration . . . . . . . . .
3
(ii) Trickling Filter - High Rate . . . . . .
7
2
Standard Rate . . . . . .
5
Sludge Incinerator (not including activated carbon
Packed Tower. . .
5
.(iii)
Rotating Biological Contactors (biodisc) . .
10
(iv) Sand Filter (intermittent biological). . . .
2
10
(v) Clarifier (including sludge air lifts) . . .
5
TERTIARY OR ADVANCED TREATMENT UNITS
(a)
Activated Carbon Beds - Without Carbon regeneration
5
With Carbon regeneration.
15
(b)
Powdered or Granular Activated Carbon Feed - Without
23a) . . . . . . . . . . . . .
Carbon regeneration
5
(c)
With Carbon regeneration.
15
(c)
Ammonia Stripping . . . . . .�. . . . . . . . . .
18
(d)
Chemical Additions . . . . . . . . . .
5
(e)
Denitrificatian Process (separate process). . . .
10
(f)
Electrodialysis . . . . . . . . . . . . . . . . .
5
(g)
foam Separation . . . . . . . . . . . . . . ..
5
(h)
Ion Exchange . . . . . . . . . . . . . . . . . . .
5
-2-
eo
ITEM
POINTS
(f)
Land Application (see definition No. 23b)
5
(not applicable for facilities under 10(a) . . . .
( j )
MI croscreens . . . . . . . . . . . . ... . . .
5
(k)
Phosphorus Removat . . . . . . . . . . . . .
20
(1)
Polishing Ponds- Without aeration . . . . . . . .
2
With aeration . . . . . . . . . .
5
(m)
Post Aeration - Cascade . . ... . . . . . . . . .
0
Diffused or Mechanlcal . . . .
5
(n)
Pre -Package Unit for Removal of Oil and GreaSt
10
(a)
Reverse Osmosis . . . . . . . ..
5
(p)
Sand or Mixed -Media Filters -- Low Rate ..
2
High Rate
5
(7)
SLUDGE TREATiiENT
t
(a)
Sludge Digestion Tank -- Heated . . . . . . . . . .
10
Aerobic . . . . . . . . .
5
Unheated . . . .
3
(b)
Sludge Stabilization (chemicai or thermal) . . . .
10
(c)
Sludge Drying Beds . . . . . . . . . . . . . . .
2
(d)
Sludge Elutriation. . . . . . . .
5
(e)
Sludge Conditioner (chemical or thermal) . . . . .
S
(f)
Sludge Thickener . . . . . . . . . . .
2
(g)
Sludge Gas utilization (Including gas storage),
2
h)
Sludge Holding Tank -- Aerated
5
Man -aerated . . . . .
2
(1)
Sludge Incinerator (not including activated carbon
regeneration) . . . . . .
10
(j)
Vacuum Filter, Centrifuge or Fliter Press . . . .
10
(D)
SLUDGE DISPOSAL (including incinerated ash)
(a)
Lagoons .
2
(b)
Land Application (surface and subsurface) (see def.
23a) . . . . . . . . . . . . .
10
(c)
Landfilled (burial) . . . . . . . . . . . . . . .
5
(g)
DISINFECTION
(a)
Pre . . . . . . . . . . . . . . . . . . . .
1 i
(b)
Intermediate . . . . . . . . . . . . . . . . . .
2�
(C)
-Post . . . . . . .
3
(d)
Dechlorination. . . . . . . . . . . . .
5
(e)
Chlorine or Ozone Generation . . . . . . . . . .
5
(f)
Radiation . . . . . . . . . . . . . . . . . .
I
(10)
MISCELLANEOUS UNITS
(a)
Ituldtnq Ponds or i4I dlnq Tanks for Inorganic, Non-toxic
Materials with no Discharge to the Surface Waters
2
(Sludge handling facilities for water purification
plants, sand, gravel, crushed stone and other similar
operations--5ee definition Na- 10)
(b)
holding Ponds or Holding Tanks for Organic or Toxic
Materials with no Discharge to the surface Raters
4
(Any pump, valve, or other mechanical control subject
to failure creating a potential for bypass or discharge
from the holding ponds or tanks will necessitate a
minimum classification of Class I requiring a certified
operator).
eo