WQ0005425_Final Permit_19910819

State of North Carolina
Department of Environment, Health, and Natural Resources
Fayetteville Regional Office
James G. Martin, Governor
DIVISION OF ENVIRONMENTAL MANAGEMENT
August 19, 1991
Mr. William Johnson, Superintendent
Public Schools of Robeson County
P.O. Drawer 2909
Lumberton, NC 28359
Dear Mr. Johnson:
William W. Cobey, Jr., Secretary
SUBJECT: Permit No. WQ0005425
Longbranch Elementary School
Robeson County
T�
N
;v
In accordance with the permit application filed by the Public Schools of
Robeson County and received in this office on August 5, 1991, we are
forwarding herewith Permit No. WQ0005425. This permit, issued to the Public
Schools of Robeson County for Longbranch Elementary School, is for the
continued operation of an existing septic tank -nitrification field system at
that school.
This permit shall be effective from the date of issuance until rescinded
and shall be subject to the conditions and limitations therein.
In 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. This request must be in the f arm of a written
petition, conforming to Chapter 150B of North Carolina General Statutes, and
filed with the Office of Administrative Hearing, P.O. Drawer 11666, Raleigh,
NC 27604. Unless such demands are made, this permit shall be final and
binding.
If you have questions concerning this matter or if this office can be of
assistance, please advise.
A
Y
51nce%fely, q
WAoland, E.
4JAgtonal Supervisor
MJN/KA/rhg
Wachovia Building, Suite 714 + Fayetteville, N.C. 28301-5043 19 Telephone [phone] FAX 919-4E"707
An Equal Opportunity Afflrrna&m Action Employer

6. Adequate inspection, maintenance, and cleaning shall be provided
by the Permittee to insure proper operation of the subject facility.
7. No traffic or equipment shall be allowed on the disposal area
except while normal maintenance is being performed.
8. The facility shall be effectively maintained and operated as a
nondischarge system to prevent the discharge of any wastewater
resulting from the operation of this facility.
9. 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.
10. Diversion or bypassing of the untreated wastewater from the
treatment facility is prohibited.
11. Monitoring wells shall be constructed and sampling schedules
arranged as required by the Division of Environmental Management
and in accordance with 15 NCAC 2C .0100.
12. Any monitoring deemed necessary by the Division of Environmental
Management to insure surface and groundwater protection will be
established and an acceptable sampling reporting schedule shall be
followed.
13. In event the facility fails 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 a disposal facility.
14. This Permit shall be voidable in the event of failure of the soil
to adequately absorb the wastes and may be rescinded unless the
facility is installed, maintained, and operated in a manner which
will protect the assigned water quality standards of the surface
waters and groundwaters.
15. All surface drainage on this site shall be diverted away from any
portion of the nitrification field or designated repair area.
Permit issued this 19th day of August, 1991.
NORTH CAROLINA ENVII�QNMENTAL MANAGEMENT COMMISSION
14
M. J. Noland, Xegfional Supeirvisor
Division of Environmental Management
By Authority of the Environmental Management
Permit No. WQ0005425
Commission

CLASSIFICATION
Class I . . . . . . . . . . . . . . . 5 - 25 Points
Class II . . . . . . . . . . . . . . . 26 - 50 Points
Class III . . . . . . . . . . . . . . . 51 - 65 Points
Class 1Y . . . . . . . . . . . . . . . 66 - Up Points
Facilities having a rating of one through four paints, inclusive,
do not require a certified operator_ Classification of all other
facilities requires a comparable grade operator in responsible charge.
-4-
NPOES Permit No. Please Check:
Existing Facility
Date Issued Upgraded Facility ;'i
New Facility
State Permit No, U raa65 If Upgraded or NewTacility, Give,
50% Completion Date
Rate Issued - 100% Completion Data
Rated by Regional Office 1'2- ' 9 1
Operator in Responsible Charge r ii At?_� C�r>Ja ti Grade �-
Design Flow of Plant in GPD 7� t1 00 Plant Class '�
ITEM
POINTS
North Carolina
PRETREATMENT UNITS (see definition No. 34) . . . . . . .
. 2
�1)
2)
DESIGN FLOW OF PLANT IN GPD {not applicable to non -
Division of Environmental Management
contaminated cooling waters and non -discharging systems
Checklist of Facility Components
.
20,001 -- 50,000
2
To be Used In Determing Facility Classification
50.001 -- 100,000 . . . . . . . . . . . . . . . . .
(MISCELLANEOUS
UNITS CONTINUED)
POINTS
4
(c)
Holding Pond for Effluent Flow Equalization and/or
All information will be printed:
8
(d)
Stage Discharge . . . . . . . . . . . . . . . .
Effluent Pumps
5
3 �
�✓ [ ri•Jt }� -, ' ���� I?
Mame of Plant��a¢.Q-U
A ref{ y
(e)
In-Plant Pumps (including air lifts). . . .
� 2 J , _.
�— - /
(f
.
Stand-By Power Supply . . . . . '.
3
County
g
{h
Thermal Pollution Control Device . . . . . .
Treatment Processes for Removal of Metal or Cyanide
3
and
Owner or Contact Person !Y%? ��iiI.PG.�s ��F �i)�✓°
;�/�- 738 `fig•'%
1
other Toxic Materials . . . . . . . . . . . . . . .
30
MaIIIng Add res s�D.�>r�/1 a9vi -�� �r'a✓
lelephone
� 59
(c) Mechanical Screens, Static Screens or Cominuting
��
Box Town
2
Total Points
I
treek orb. No. or
(e) Mechanical or Aerated Grit Removal . . . . . . . . .
2
(f) Flow Measuring Device or . . . . . . . . . . . . . .
Permit Number Information Construction Status
CLASSIFICATION
Class I . . . . . . . . . . . . . . . 5 - 25 Points
Class II . . . . . . . . . . . . . . . 26 - 50 Points
Class III . . . . . . . . . . . . . . . 51 - 65 Points
Class 1Y . . . . . . . . . . . . . . . 66 - Up Points
Facilities having a rating of one through four paints, inclusive,
do not require a certified operator_ Classification of all other
facilities requires a comparable grade operator in responsible charge.
-4-
NPOES Permit No. Please Check:
Existing Facility
Date Issued Upgraded Facility ;'i
New Facility
State Permit No, U raa65 If Upgraded or NewTacility, Give,
50% Completion Date
Rate Issued - 100% Completion Data
Rated by Regional Office 1'2- ' 9 1
Operator in Responsible Charge r ii At?_� C�r>Ja ti Grade �-
Design Flow of Plant in GPD 7� t1 00 Plant Class '�
ITEM
POINTS
PRETREATMENT UNITS (see definition No. 34) . . . . . . .
. 2
�1)
2)
DESIGN FLOW OF PLANT IN GPD {not applicable to non -
contaminated cooling waters and non -discharging systems
0 -- 20,000 . . . . . . . . . . . . . . . . .
.
20,001 -- 50,000
2
50.001 -- 100,000 . . . . . . . . . . . . . . . . .
. 3
100,001 -- 250,000
4
250,001 -- 500,000 . . '. . . . . . . . . . . . . . . .
5
500,601 -- 1,000,000 . . . . . . . . . . . . . . . . . .
8
1,600,001 -- 2,000,000
10
2.000,001 (and up) - rate 1 point additional for each 2DO,D0O
GAD capacity up to a maxim= of . . .
30
Design Flow (GPD):
(3)
PRELIMINARY UNITS (see definition Ha. 3 . . . . . . . ..
(a) Influent Pumps (including air lift) . . . . . . . . .
3
(b Bar Screens . . . . . . . . . . . . . . . . . . . . .
1
or
(c) Mechanical Screens, Static Screens or Cominuting
Devices. . . . . . . . . . . . . . . . . . . .
2
(d) Grit Removal or . . . . . . . . . . . . . . . . .
I
(e) Mechanical or Aerated Grit Removal . . . . . . . . .
2
(f) Flow Measuring Device or . . . . . . . . . . . . . .
1
(g) Instrumented Flow Measurement . . . . . . .. . . . .
2
Effective
411187
-1-

ITEM
POINTS
IPAI
(h)
Preaeration or Equalization . . . . . . . . .
1
(i)
Grease or.011 Separators -- Gravity . . . . . ,
Z
Mechanical. . . . . . .
3
(j)
Aerated . . . . . . . .
5
(j)
Chemical Conditioning . . . . . . . . . . . . . . .
5
(4)
PRIMARY
TREATMENT UNITS
2
(a)
Septic Tank (see definition No. 44) . . . . . . .
2
(b)
Imhoff Tank3
0
Primary Clarifiers (including sludge air lifts)
5
�c)
d)
Settling Ponds or Settling Tanks for Inorganic Han -
30
o)
Toxic Materials Involving a Discharge to the Surface
5
(p)
waters (sand, gravel, stone, and,other mining operations
2
except recreational activities such as gem -or gold
5
(7)
SLUDGE TREATMENT
mining) .. . . . . . . . . . . . ..
10
(5)
SECONDARY TREATMENT UNITS
10
(a)
Carbonaceous Stage
5
(i) Aeration - High Purity Oxygen System . . . .
20
(b)
Diffused Air System . . . .
10
c )
Mechanical Air System (fixed, floating or rotor)
8
d)
Separate Sludge Reaeration . . . . . . . . .
3
e)
Trickling Filter - High Rate . . . . . . . .
7
f)
Standard Rate . . . . . .
5
g
Packed Tower . . . . . . .
5
h
(iii) Aerated Lagoons . . . . . . . . . .
10
s (todis
(iv) Rotating Biological Contactorbc). . .
10
(i)
(v) Sand Filters (intermittent biological) . . .
2
(vi Stabilization Lagoons
5
(j)
Clarifier (including sludge air lifts). . . .
5
(8)
(b)
Nitrogenous Stage
(a)
Lagoons2
(i) Aeration - High Purity Oxygen System. . . . .
20
(b)
Land Application (surface and subsurface) -(see def.
Diffused Air Systems. . .
10
23a) . . . . . . . . . . .
Mechanical Air System (fixed, floating, or rotor)8
(c)
Landfilled (burial) . . . . . . . . . . . . . .
Separate Sludge Reaeration . . . . . . . . .
3
D1SINFECTIOH
(11) Trickling Filter - High Rate . . . . . . . .
7
Pre . . . . . ... . . . . . . . . . . . . . . .
Standard Rate . . . . . .
5
�a)
b)
Intermediate . . . . . . . . . . . . . . . . . .
Packed Tower. . .
5
C)
.(iii)
Rotating Biological Contactors (biodisc) . .
10
le)
Dechlorination. . . . . . . .
(Iv) 5and Filter (intermittent biological). . . .
2
Chlorine or Ozone Generation . . . . . . . . . .
(v) Clarifier (including sludge air lifts) . . .
5
(6)
TERTIARY
OR ADVANCED TREATMENT UNITS
(10)
MISCELLANEOUS UNITS
(a)
Activated Carbon Beds - Without Carbon regeneration
5
Holding Ponds or Holding Tanks for Inorganic, Non-toxic
With Carbon regeneration.
IS
2
(b)
Powdered or Granular Activated Carbon Feed - Without
(Sludge handling facilities for Hater purification
Carbon regeneration
5
With Carbon regeneration.
15
(c)
Ammonia Stripping .. . . . . . . . . . . . . . ..
i8
(d)
Chemical Additions . . . . . . , .
5
(e)
Oenitrification Process (separate process)• . . .
10
to failure -creating a potential for bypass or discharge
Electrodialysis
5
from the holding ponds or tanks will necessitate a
�f)
g)
Foam Separation . . . . . . . . . . • . • . . •
5
minimum classification of Class I requiring a certified
(h)
Ian Exchange . . . . . . . . . . . . . . . . . . .
5
IPAI
-3-
ITEM
POINTS
(i)
Land Application (see definition No. 23b) . . . .
5
(not applicable for facilities under 10(a) .
(j)
Microscreens . . . . . . . . . . . . ...
5
(k)
Phosphorus Removal . . . . . . . . . . . .
20
1
Pol[shiny Pands- S(ithout 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
Unheated3
(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
Hon -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)
Lagoons2
(b)
Land Application (surface and subsurface) -(see def.
23a) . . . . . . . . . . .
10
(c)
Landfilled (burial) . . . . . . . . . . . . . .
5
(4)
D1SINFECTIOH
Pre . . . . . ... . . . . . . . . . . . . . . .
I
�a)
b)
Intermediate . . . . . . . . . . . . . . . . . .
2
C)
Post .
3d)
le)
Dechlorination. . . . . . . .
5
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 Hater 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 I requiring a certified
operator).
-3-

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