WQ0000530_Final Permit_19890120

ea STAT£ o -
State of North Carolina
Department of Natural Resources and Community Development
Division of Environmental Management
512 North Salisbury Street 0 Raleigh, North Carolina 27611
James G. Martin, Governor January 20, 1989 R. Paul Wilms
William W. Cobey, Jr., Secretary Director
Mr. Ronnie Brooks
Lincoln County Schools
P. 0. Box 400
Lincolnton, NC 28092
SUBJECT: Permit No. WQ0000529
Lincoln County Schools
Asbury Elementary School
Subsurface Wastewater Treatment & Disposal
Facility
Lincoln County
Dear Mr. Brooks:
In accordance with your application received October 3, 1988, we are
forwarding herewith Permit No. WQ0000529 dated January 20, 1989, to Lincoln County
Schools for the construction and operation of the subject subsurface wastewater
treatment and disposal facility.
This permit shall be effective from the date of issuance until January 31,
1994, and shall be subject to the conditions and limitations as specified therein.
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, Post Office
Drawer 11666, Raleigh, North Carolina 27604. Unless such demands are made this
permit shall be final and binding.
One (1) set of approved plans and specifications is being forwarded to you. If
you need additional information concerning this matter, please contact Mr. Jack
Floyd, telephone No. 919/733-5083, ext. 547.
Sincerely,
Paul Wilms
cc: Lincoln County Health Department
Mooresville Regional Supervisor
McKnight -Smith Engineers
John Campbell
Groundwater Section
Pollution Prevention Pays
P.O. Box 27687, Raleigh, North Carolina 276117687 Telephone [phone]
An Equal Opportunity Affirmative Action Employer

NORTH CAROLINA
ENVIRONMENTAL MANAGEMENT COMMISSION
DEPARTMENT OF NATURAL RESOURCES AND COMMUNITY DEVELOPMENT
RALEIGH
P E R M I T
For the discharge of Sewage, Industrial Wastes, or Other Wastes
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
Lincoln County Schools
Lincoln County
FOR THE
construction and operation of a 3600 GPD subsurface wastewater treatment and disposal
facility consisting of an existing 9500 gallon baffled septic tank/ dosing tank, dual
75 GPM submersible pumps, approximately 660 linear feet of 3 and 4 -inch force main,
two distribution boxes, two subsurface disposal fields with 1,875 linear feet of
3 -foot nitirfication trench each, and all associated piping and appurtenances to
serve Asbury Elementary School with no discharge of wastewater to the surface waters,
pursuant to the application received October 3, 1988, and in conformity with the
project plan, specifications, and other supporting data subsequently filed and
approved by the Department of Natural Resources and Community Development and
considered a part of this permit.
This permit shall be effective from the date of issuance until January 31, 1994,
and shall be subject to the following specified conditions and limitations:
1.. This permit shall become voidable unless the facilities are constructed in
accordance with 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. The facilities shall be properly maintained and operated at all times.
4. Upon the availability of a municipal or regional sewerage collection system, the
subject wastewater treatment facility shall be abandoned and all wastewater
discharged into the municipal or regional sewerage system.
5. This permit is not transferable.

6. 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 the
requirements of this permit and the approved plans and specifications. Mail the
certification to the Permits and Engineering Unit, P.O. Box 27687, Raleigh, N.C.
27611-7687.
7. This permit shall become voidable in the event of failure of the soil 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.
8. In the event that the facilities fail to perform satisfactorily, including the
creation of nuisance conditions, the Permittee shall take such immediate
corrective action as may be required by this Division, including the construction
of additional or replacement wastewater treatment or disposal facilities.
9. The Mooresville Regional Office, phone no. 704-663-1699 shall be notified at
least twenty-four (24) hours in advance of backfilling of the installed
facility 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.
10. The sludge generated from these treatment facilities must be disposed of in
accordance with General Statute 143-215.1 and in a manner approvable by the
North Carolina Division of Environmental Management.
11_ A suitable year round vegetative cover shall be maintained.
12. Diversion or bypassing of the untreated wastewater from the treatment facility
is prohibited.
13. 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.
14. 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.
15. 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.
16. No type of wastewater other than that from Asbury Elementary School shall be
made tributary to the subsurface disposal system.
17. No traffic or equipment shall be allowed on the disposal area except while
installation occurs or while normal maintenance is being performed.

18. Adequate inspection, maintenance, and cleaning shall be provided by the
Permittee to insure proper operation of the subject facilities.
19. An acceptable reserve area, equal in size to the approved disposal area, shall be
maintained at all times.
20. A set of approved plans and specifications for the subject project must be
retained by the applicant for the life of the Permit.
21. Any additional groundwater quality monitoring as deemed necessary by the
Department, shall be provided.
22. The application rates shall not exceed 0.4 gal/ft2/day.
23. The wastewater flow rate discharged into the treated by these facilities shall
not exceed 3,600 GPD until such time as the facility has been upgraded to
accommodate an increase in wastewater volume.
Permit issued this the 20th day of January, 1989.
NORTH CAROLINA ENVIRONMENTAL MANAGEMENT COMMISSION
R. Paul Wilms, Director
Division of Environmental Management
By Authority of the Environmental Management Commission
Permit No. WQ0000529
Engineer's Certification
I, , 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,
U
(Project)
(Name or Location)
for the
hereby state that, to the best of my
(Project Owner)
abilities, due care and diligence was used in the observation of the project
construction such that the construction was observed to be built within substantial
compliance and intent of the approved plans and specifications.
Signature Registration No.
Date

(MISCELLANEOUS UNITS CONTINUED) POINTS
(c) Holdi.ng Pond for Effluent Flow Equalization and/or
Stage Discharge . . . . . . . . . . . . . . . . . 5
(d) Effluent Pumps . . . . . . . . . . . . . 3
(e) In -Plant Pumps (including air lifts). . . . . . . .
(f) Stand -8y Power Supply . . . . . . . . . . . . . . .
(g) Thermal Pollution Control Device . . . . 3
(h) Treatment Processes for Removal of Metal or Cyanide and
other Toxic Materials . . . . . . . . . . . . . . 30�
Total Points ,
CLASSIFICATION
Class i . . . . . . . . . . . . . . . 5 - 25 Points
Class II . . . . . . . . . . . . . . . 26 - 50 Points
Class III . . . . . . . . . . . . . . . 51 - 65 Points
Class IV . . . . . . . . . . . . . . . 66 - 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.
North Carolina
Division of Environmental Management
Checklist of Facility Components
To be Used In Determing Facility Classification
All information will be printed:
Name of Plant nr f7 ,'_ /�;•�[�� r'.�, i[ fl. �l
County .i p,-.
Owner or Contact Person
Telephone
Mailing
Mailing Addre55 /. i�cy.Y </is�, �i/ cG/n'YC'n �-_i,I .`
Street or P.O. Box No. Town or C ty Zip
Permit Number Information
Construction Status
NPOES Permit No. Please Check:
Existing Facility
Date Issued Upgraded Facility
New Facility
State Permit Na. If Upgraded or New Facility, Give:
SOT Completion Date
Date Issued 100% Completion Date
Rated by r ;i ,( ' ,�iy; Regional Office Date J /. 3'
Operator in Responsible Charge Grade
Design Flow of Plant in GPO Plant Class JC
ITEM POINTS
�1) PRETREATMENT UNITS (see definition No. 34) 2
2) DESIGN FLOW OF PLANT IN GPD (not applicable to nvn-
contaminated cooling waters and non -discharging systems ?
0 20,000 . . . . . . . . . . . . . . . . . .
20,001 -- 50,000 . . . . . . . . . . . . . . . . 1;
501001 100,000 . . . . . . _ - . . . . . . . . . . 3
100,001 -- 250,000 . . . . . . . . . . . . . . . . . 4
250,001 -- 500,000 . . . . . . . . . . . . . . . . . . 5
500.001 -- 1,000,1100 . . . . . . . . . . . . . . . . 8
1,000,001 -- 2,000,00010
2,000,001 (and up) - rate 1 point additional for each 200,000
GPO capacity up to a maximum of 30
Design Flow (GPD):
(3) PRELIMINARY UNITS (see definition No. 35) . . . . . . . ..
(a) Influent Pumps (including air lift) . . . . . . . . . 3
(b) Bar Screens . . . . . . . . . . . . . . . . . . . . . I
or
(c) Mechanical Screens, Static Screens or Comminuting
Devices . . . . . . . . . . . . . . . . . . . . 2
(d) Grit Removal or . . _ . . . . . . . . . I
(e) Mechanical or Aerated Grit Removal . . _ . . . . . . 2
(f) Flow Measuring Device or . . . . . . . . . . . . . . I
(g) Instrumented Flow Measurement . . . . . . . . . . . . 2
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4/1/87 -1

(4)
(6)
ITEM
POINTS
(h)
Preaeration or Equalization . . . . . . . . .
I
(i)
Grease or Oil Separators -- Gravity . . . . . .
2
Land Application (see definition No. 23b) _
Mechanical. . . . . . .
3
Aerated . . . . . . . .
5
(j)
Chemical Conditioning . . . . . . . . . . . . . . .
5
PRIMARY TREATMENT UNITS
(a).
Septic Tank (see definition No. 44) . . . . . .
20
(b)
Imhoff Tank. .
3
c)
Primary Clarifiers (including sludge air lifts) . .
5
d)
Settling Ponds or Settling Tanks for Inorganic Non -
(m)
Toxic Materials Involving a Discharge to the Surface
0
waters (sand, gravel, stone, and other mining operations
Diffused or Mechanical . . . . . .
5
except recreational activities such as gem or gold
(n)
Pre -Package Unit for Removal of Oil and Grease
mining) . . . . . . . . . . . . . . . ..
10
SECONDARY TREATMENT UNITS
Reverse Osmosis . . . . . . . ..
(a)
Carbonaceous Stage
(p)
Sand or Mixed -Media Filters -- Low Rate . . . . ..
(i) Aeration - High Purity Oxygen System . . . .
20
Diffused Air System . . . . .
10
(7)
Mechanical Air System (fixed, floating or rotor)
8
Separate Sludge Reaeration . _ . . . . . . .
3
10
(ii) Trickling Filter - High Rate _ . . . . . . .
7
Aerobic . . . . . . . . .
Standard Rate . . . _ _ _
5
Packed Tower . . . . . . .
5
(iii} Aerated Lagoons. .
10
10
(iv) Rotating Biological Contactors (biodisc).
10
Sludge Drying Beds . . . . . . . . . . . . . . . .
(v) Sand Filters (intermittent biological)
2
(d)
(vi) Stabilization Lagoons
5
(vii) Clarifier (including sludge air lifts). . . .
5
(b)
Nitrogenous Stage
(f)
Sludge Thickener . .
(i) Aeration - High Purity Oxygen System. . . . .
20
(g)
Diffused Air System . . . _ .
10
Mechanical Air System '(fixed, floating, or rotor)8
Sludge Holding Tank -- Aerated . .
Separate Sludge Reaeration . . . . . . . . .
3
(ii) Trickling Filter - High Rate . . . . . . . .
7
Standard Rate . . . . . .
5
Packed Tower.
5
.(iii)
Rotating Biological Contactors (biodisc)
10
(j)
(iv) Sand Filter (intermittent biological).
2
(8)
(v) Clarifier (including sludge air lifts)
5
TERTIARY
OR ADVANCED TREATMENT UNITS
Lagoons. ....... . . . .. ..
(a)
Activated Carbon Beds - Without Carbon regeneration
5
Land Application (surface and subsurface) -(see def.
With Carbon regeneration.
i5
(b)
Powdered or Granular Activated Carbon Feed - Without
10
Carbon regeneration
5
5'
With Carbon regeneration.
15
(c)
Ammonia Stripping . . . . . . . . . . . . . . . .
18
(d)
Chemical Additions . . . .
5
(e)
Denitrification Process (separate process).
10
(f)
Electrodialysis . . . . . . . . . . . . . . . . .
5
(g)
Foam Separation . . . . . . . . . . . . . . . . .
5
(h)
[on Exchange . . . . . . . . . . . . . . . . . . .
5
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-3-
ITEM
POINTS
(i)
Land Application (see definition No. 23b) _
5
(not applicable for facilities under 10(a) . . . .
( j )
Mi cr oscreens . . . . . . . . . . . . ... . . .
5
(k)
Phosphorus Removal . . . . . . . . . . . . .
20
(1)
Polishing Ponds- Without aeration . . . . . . . .
2
With aeration . . . . . . . . . .
5
(m)
Post Aeration - Cascade . . _ . _ . -
0
Diffused or Mechanical . . . . . .
5
(n)
Pre -Package Unit for Removal of Oil and Grease
30
(o)
Reverse Osmosis . . . . . . . ..
5
(p)
Sand or Mixed -Media Filters -- Low Rate . . . . ..
2
High Rate
5
(7)
SLUDGE TREATMENT
(a)
Sludge Digestion Tank -- Heated . . _ . . . . . . .
10
Aerobic . . . . . . . . .
5
Unheated . . . . . .
3
(b)
Sludge Stabilization (chemical or thermal) . . . .
10
(c)
Sludge Drying Beds . . . . . . . . . . . . . . . .
2
(d)
Sludge Elutriation . . . . .
5
(e)
Sludge Conditioner (chemical or thermal) . . . . .
5
(f)
Sludge Thickener . .
2
(g)
Sludge Gas Utilization (including gas storage). . .
2
h
Sludge Holding Tank -- Aerated . .
5
Non-aerated
2
(i)
Sludge incinerator (not including activated carbon
regeneration) . . . . . .
10
(j)
Vacuum Filter, Centrifuge or Filter Press . . . .
10
(8)
SLUDGE DISPOSAL (including incinerated ash)
(a)
Lagoons. ....... . . . .. ..
(b)
Land Application (surface and subsurface) -(see def.
23a) . . . . . . . . . . . . .
10
(c)
Landfilled (burial) . . . . . . . . . . . . . . .
5'
(9)
DISINFECTION
a)
Pre . . . . . ... . . . . . . . . . . . . . . . .
1
b)
Intermediate . . . . . . . . . . . . . . . . . .
2
(c)
Post . . . . . . . . . . . . . . . . .
3
(d)
Dechlorination. . . _ . . . . . . . . . . .
5
(e)
Chlorine or Ozone Generation . . . . . . . . . .
5
(f)
Radiation . . . . . . . . . . . . . . . . .
3
(10)
MISCELLANEOUS
UNITS
(a)
Holding Ponds or Holding 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 --see definition No. 10)
(b)
Holding Ponds or Holding Tanks for Organic or Toxic
Materials with no Discharge to the surface Waters
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 1 requiring a certified
operator).
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