WQ0000672_Final Permit_19930826

State of North Carolina
Department of Environment,
Health and Natural Resources
Division of Environmental Management
James B. Hunt, Jr., Governor
Jonathan B. Howes, Secretary
A. Preston Howard, Jr., P.E., Director
August 26, 1993
Mr. Robert W. Hites, Jr., City Manager
City of Lumberton
Post Office Box 1388
Lumberton, North Carolina 28359-1388
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Subject: Permit No_ WQ0000672
City of Lumberton
Sludge Lime Stabilization Facilities
Land Application of SIudge
Robeson County
Dear Mr. Hites:
In accordance with your request received on April 19, 1993, for the construction and operation of
lime stabilization facilities, we are forwarding herewith Permit No. WQ0000672 dated August 26, 1993,
to the City of Lumberton for the continued operation of a residuals land application program with the
addition of alum sludge. Please be advised that the Division is currently reviewing another modification
request that was submitted on June 29, 1993.
This permit shall be effective from the date of issuance until July 31, 1997, shall hereby void
Permit No. WQ0000672, issued August 28, 1992, and shall be subject to the conditions and limitations as
specified therein. Please pay particular attention to the monitoring requirements in this pen -nit. Failure to
establish an adequate system for collecting and maintaining the required operational information will result
in future compliance problems. This permit amendment contains conditions that require monitoring of the
subject lime stabilization facilities.
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.
P.O. Box 29535, Raleigh, North Carolina 27626-0535 Telephone [phone] FAX [phone]
An Equal Opportunity Affirmative Action Employer 50% recycled/ 10% post -consumer paper

If you need additional information concerning this matter, please contact Mr John -Seymour at 919/
733-5083.
Sincerely,
&mac
A. Zest Howard, Jr., P.E.
cc: Robeson County Health Department
Koonce, Noble and Associates, Inc.
Fayetteville Regional Office, Water Quality Section
Fayetteville Regional Office, Groundwater Section
Jack Floyd, Groundwater Section Central Office
Training and Certification
Facilities Assessment Unit

NORTH CAROLINA
ENVIRONMENTAL MANAGEMENT COMMISSION
DEPARTMENT OF ENVIRONMENT, HEALTH AND NATURAL RESOURCES
RALEIGH
SLUDGE LAND APPLICATION 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
City of Lumberton
Robeson County
Mel1qIIA
construction and operation of a lined 726,500 gallon Aerobic Digester with a floating aerator, a 1,400
GPM pump station with dual pumps and high water alarms, a bulk lime silo (12 foot dia. by 29 feet height
of storage with truck accessible silo loading area) with auger conveyor and pneumatic system, an
approximate 6,700 gallon slake tank with double paddle mixer and side wall baffles, a mixer vault with pH
monitor prone, two 205,000 gallon sludge holding tanks with floating mixers valve vaults, a 700 GPM
pump station with dual pumps and high water alarms, a sludge truck loading station, a 700 GPM transfer
pump station with single pump and high water alarms, and all associated piping, valves, controls, and
appurtenances and the continued operation of a sludge land application program consisting of the
aLl ui siuugc 1rL) iiic i iiy ui i.uiii�rcric�rl's "ri
�piii;aas[cwtucr tutu `ri tticr T rCa[mcni rdciii[1e5 t0 a tottll of
approximately 1300 acres of land in Robeson County with no discharge of wastes to the surface waters,
pursuant to the request received April 19, 1993, 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 July 31, 1997 and shall be subject to
the following specified conditions and limitations:
I. PERFORMANCE STANDARDS
1. The Fayetteville Regional Office, telephone number 919/486-1541 and the appropriate local
governmental official (county manager/city manager) shall be notified at least twenty-four
(24) hours prior to the initial application of the sludge so that an inspection can be made of
the application sites and application method. 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. Also the Robeson County Manager's office
must be notified prior to the initial application on the new sites, so that they will be aware
that the operation has commenced.
2. This permit shall. become voidable if the soils fail to adequately absorb the wastes and may
be rescinded unless the sites are maintained and operated in a manner which will protect
the assigned water quality standards of the surface waters and ground waters.

3. The land application program shall be effectively maintained and operated as a non -
discharge system to prevent the discharge of any wastes resulting from the operation of this
program.
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. In the event that the land application program is not operated satisfactorily, including the
creation of nuisance conditions, the Permittee shall cease applying sludge to the sites and
take any immediate corrective actions, including the construction of additional or
replacement wastewater treatment or disposal facilities.
6. No crops for direct human consumption shall be raised on these sites for a period of 18
months following sludge application.
7. Maximum slope for sludge application shall be 10% for surface application and 18% for
subsurface applications.
8. The following buffer zones shall be maintained:
a) 400 feet from residences or places of public assembly under separate ownership for
surface application method; however, the buffer zone requirement may be reduced
to a minimum of 100 feet upon written consent of the owner and the appropriate
DEM regional office,
b) 200 feet from residences or places of public assembly under separate ownership for
injection method; however, the buffer zone requirement may be reduced to a
minimum of 100 feet upon written consent of the owner and the appropriate DEM
regional office,
c) 100 feet from "SA and SB" classified waters and public surface water supplies for
both methods,
d) 50 feet from "WS" classified waters and other streams, creeks, lakes, rivers, and
surface water drainage ways for injection method,
e) 100 feet from "WS" classified waters and other streams, creeks, lakes, rivers and
surface water drainage ways for surface application method,
f) 100 feet from property lines for both methods; however, this requirement may be
reduced to 50 feet upon written concurrence from the adjoining property owner and
the appropriate DEM regional office,
g) 50 feet from public right of ways for surface application methods,
h) 25 feet from public right of ways for subsurface disposal methods,
i) 10 feet from upslope interceptor drains and- surface water diversions for both
methods,
j) 25 feet from downslope interceptor drains, surface water diversions, groundwater
drainage systems and surface drainage ditches for both methods.
Some of the buffers specified above may not have been included in previous permits
for this land application operation. Any sites or fields that are included in this permit,
but were approved with different applicable buffers, will continue to be regulated by
those originally approved buffers. All new sites and fields will be regulated by the
buffers specified above which_ will include the additional 1082 acres approved in this
permit amendment.
9. A copy of this permit shall be kept at the land application site when sludge is being applied
during the life of this permit. A spill prevention and control plan shall be kept in all sludge
transport and application vehicles.
2

10. All sludges included in this permit must be stabilized by a process to significantly reduce
pathogens (as described in 40 CFR Part 257, Appendix 11) prior to application or
incorporation. An evaluation of all sludges as specified in condition 114 must be conducted
as to their ability to demonstrate compliance with this requirement. Upon request, a copy
of this report must be submitted to the Assistant Chief for Operations, Division of
Environmental Management, Water Quality Section, Operations Branch, PO Box 29535,
Raleigh, NC 27626-0535.
11. Specific sludge application area' boundaries shall be clearly marked on each site prior to and
during sludge application.
12. No sludge at any time shall be stored at any application site.
II. OPERATION AND MAINTENANCE REQUIREMENTS
1. The facilities and disposal sites shall be properly maintained and operated at all times.
2. A suitable vegetative cover as listed in condition H 3, shall be maintained in accordance
with the crop management plan approved by this Division.
3. The application rates shall not exceed the following for the specified crops:
Crop
PAN (lbs/acr (yearl
Coastal Bermuda
200
Fescue
150
Bahiagrass
150
Forestry Areas
50
Cotton
70
Corn
160
Soybeans
200
Small Grains
100
4. No sludges other than the following are hereby approved for land application in accordance
with this permit:
Permit Estimated
Source County
NumberVolume (gallons /yearl
_
City of Lumberton WWTP Robeson
NCO024271 6-7 MG (1,175 dry tons)
City of Lumberton WTP Robeson
N/A 6 MG (725 Dry tons)
5. The lifetime heavy metal loadings shall not exceed the following for the corresponding
_ Cation Exchange Capacities (CEC):
Lifetime Loadings (lbs/acre)
Parameters CEC' c 5
Lead 500
Zinc 250
Copper 125
Nickel 125
Cadmium 4.5

6. Upon classification of the facility by the Certification Commission, the Permittee shall
employ a certified wastewater treatment plant operator io be in responsible charge (ORC) of
the wastewater treatment facilities. The operator must hold a certificate of the type and
grade at least equivalent to or greater than the classification assigned to the wastewater
treatment facilities by the Certification Commission. The Permittee must also employ a
certified back-up operator of the appropriate type and grade to comply with the conditions
of Title 15A, Chapter 8A, .0202. The ORC of the facility must visit each Class I facility at
least weekly and each Class II, III, and IV facility at least daily, excluding weekends and
holidays, and must properly manage and document daily operation and maintenance of the
facility and must comply with all other conditions of Title 15A, Chapter 8A, .0202. Once
the facility is classified, the Permittee must submit a letter to the Certification Commission
which designates the operator in responsible charge within thirty days after the wastewater
treatment facilities are 50% complete.
7. Adequate procedures shall be provided to prevent surface runoff from carrying any
disposed or stored sludge material into any surface waters.
8. Animals shall not be grazed on sludge applied land within a 30 -day period following the
sludge application. Application sites that are to be used for grazing shall have fencing that
will be used to prevent access after each application.
9. Surface applied sludge will be plowed or disced within twenty-four (24) hours after
application on lands with no cover crop established.
10. For areas that are prone to flooding or within the 100 -year flood elevation, sludge may be
applied only during periods of dry weather. The sludge must be incorporated into the soil
within twenty-four (24) hours of application.
11. Appropriate measures must be taken to control public access to the land application sites
during active site use and for the 12 -month period following the last sludge application
event. Such controls may include the posting of signs indicating the activities being
conducted at each site.
12. Adequate provisions shall be taken to prevent wind erosion and surface runoff from
conveying pollutants from the sludge application area onto the adjacent property or into the
surface waters.
13. Sludge shall not be applied in inclement weather or until 24 hours following a rainfall event
of 1/2 -inch or greater in 24 hours. Any emergency sludge disposal measures must first be
approved by the Division of Environmental Management.
14. The site shall be adequately limed to a soil pH of at least 6.5 prior to sludge application.
Sludge may be applied to sites with a pH of less than 6.5 provided a sufficient amount of
lime is also applied to achieve a final pH of the lime, sludge and soil mixture of at Ieast 6.5.
15. The addition of Gypsum must be incorporated to reduce the SAR of the sites below 10.0.
Each of the sites shall be evaluated for the need of gypsum addition and the SAR adjusted
as necessary.
4

Ill., TT RI REPQRTING REQUIREMENTS
Any monitoring (including groundwater, surface water, sludge, soil, or plant tissue
analyses) deemed necessary by the Division of Environmental Management to insure
protection of the environment will be established and an acceptable sampling and reporting
schedule shall be followed. If monitoring data indicates minimal or no concern to the
Division, reduction of monitoring requirements may be pursued after two annual reporting
periods.
2. The effluent from the subject Lime Stabilization Facilities shall be monitored by the
Permittee on a continuous basis to ensure that all sludges removed from these facilities are
stabilized in accordance with State laws and regulations. The following parameters shall be
monitored for all sludges and written records shall be maintained on file by the Permittee:
pH Time (exposure time where required pH is maintained)
temperature
No unstabilized sludges shall be removed from these facilities for land application
purposes. All necessary steps shall be taken to prevent unstabilized sludges from
recontaminating stabilized sludges prior to Iand application.
3. Proper records shall be maintained by the Permittee tracking all disposal activities. These
records shall include, but are not necessarily limited to the following information:
a) source of sludge
b) date of sludge application
c) location of sludge application (site, field, or zone #)
d) method of application
e) weather conditions
f) soil conditions
g) type of crop or crop to be grown on field
h) volume of sludge applied in gallons/acre and dry tons/acre
i) annual and cumulative totals of dry tons/acre of sludge, annual and cumulative
pounds/acre of each heavy metal (which shall include, but not be limited to lead,
nickel, cadmium, copper and zinc), annual pounds/acre of plant available nitrogen
(PAN), and annual pounds/acre of phosphorus applied to each field
j) amount of gypsum addition for each site.
4. A representative annual soils analysis (Standard Soil Fertility Analysis) shall be conducted
of each site receiving sludge in the respective calendar year and the results maintained on
file by the Permittee for a minimum of five years. The Standard Soil Fertility Analysis
shall include, but is not necessarily limited to, the following parameters:
% Base Saturation
Magnesium
Phosphorus
Potassium
Leadl
Zinc
pH
Manganese
Cation Exchange Capacity
Sodium
Nickell
Cadmiuml
Copper
Calcium
i Soils analysis for these parameters shall be conducted once prior to permit renewal on
soils from each site which has received sludge during the permit cycle.
5

5. A quarterly sludge analysis and annual Toxicity Characteristics Leaching Procedure
(TCLP) analysis shall be conducted by the Permittee and the results maintained on file by
the Permittee for a minimum of five years. If land application occurs at a frequency less
than quarterly, sludge analysis will be required for each instance of land application.
The sludge analysis shall include but is not necessarily limited to the following parameters:
% total solids
Magnesium
Chlorides
Sulfate
Phosphorus
Potassium
Lead
Zinc
Copper
Nickel
Cadmium
Chromium
Sodium
Calcium
Total Nitrogen
Ammonia Nitrogen
Nitrate/Nitrite Nitrogen
pH
Plant Available Nitrogen (by calculation)
Sodium Absorption Ratio (by calculation)
The TCLP analysis shall include the following parameters:
Arsenic
Barium
Benzene
Cadmium
Carbon tetrachloride
Chlordane
Chlorobenzene
Chloroform
Chromium
o -Cresol
m -Cresol
p -Cresol
Cresol
2,4-D
1,4 -Dichlorobenzene
1,2-Dichloroethane
1,1-Dichloroethylene
2,4-Dinitrotoluene
Endrin
Heptachlor (and its hydroxide)
Hexachlorobenzene
Hexachloro-1,3-butadiene
Hexachloroethane
Lead
Lindane
Mercury
Methoxychlor
Methyl ethyl ketone
Nitrobenzene
Pentachlorophenol
Pyridine
Selenium
Silver
Tetrachloroethylene
Toxaphene
Trichloroethylene
2,4,5 -Trichlorophenol
2,4,6 -Trichlorophenol
2,4,5 -TP (Silvex)
Vinyl chloride
b. All sludges included in this permit must be monitored for compliance with condition I.10 of
this permit. Data to verify stabilization by a process to significantly reduce pathogens (as
described in 40 CFR Part 257, Appendix II) must be maintained by the Permittee. The
required data is specific to the stabilization process utilized, but should be sufficient to
clearly demonstrate compliance with 40 CFR Part 257.
7. Three copies of all monitoring and reporting requirements as specified in conditions 1111,
111 2, 1113, 1114, III 5, and III 6 shall be submitted annually on or before March 1 of the
following year to the following address:
NC Division of Environmental Management
Water Quality Section
Facility Assessment Unit
PO Box 29535
Raleigh, NC 27626-0535

8. Noncompliance Notification:
The Permittee shall report by telephone to the Fayetteville Regional Office, telephone
number 919/486-1541 as soon as possible, but in no case more than 24 hours or on the
next working day following the occurrence or fust knowledge of the occurrence of any of
the following:
a. Any occurrence with the land application program which results in the land
application of significant amounts of wastes which are abnormal in quantity or
characteristic.
b. Any failure of the land application program resulting in a release of sludge material
to receiving waters.
c. Any time that self-monitoring information indicates that the facility has gone out of
compliance with the conditions and limitations of this permit or the parameters on
which the system was designed.
d. Any process unit failure, due to known or unknown reasons, that render the facility
incapable of adequate sludge treatment.
e. Any spillage or discharge from a vehicle or piping system transporting sludge to the
application site.
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. GROUNDWATER REQUIREMENTS
Any groundwater quality monitoring as deemed necessary by the Division of
Environmental Management shall be provided.
2. No land application of waste activities shall be undertaken when the seasonal high water
table is less than three feet below land surface.
3. The Compliance Boundary for the disposal system is specified by regulations in 15 NCAC
2L, Classifications and Water Quality Standards applicable to the groundwater of North
Carolina. An exceedance of Groundwater Quality Standards beyond the Compliance
Boundary is subject to penalty provisions applicable under General Statute 143-215.6A.
The sale of property, by the Permittee, which is within or contiguous to the disposal
system site may alter location of the Compliance Boundary.
For facilities permitted on or after December 30, 1983, the Compliance Boundary is
established at the lesser of 250 feet from the land application sites or 50 feet within the
property boundary.
If the title to any property which may affect the location of the Compliance Boundary is
changed, the permittee shall notify the Division Director within 14 days. The Director shall
then establish a modified Compliance Boundary which will be done as a modification to the
Permit.
7

5. The following are approved sites for sludge application (see attached map(s)):
Site No./Field No.
OwneAessee
Application Areal/(Total) (acres)
10-3
Lucurous Lowry
15.0
11-16
J. T. Campen/Ozell Baker
8.16
11-17
J. T. Campen/Ozell Baker
4.93
11-18
J. T. Campen/Ozell Baker
17.06
11-19
J. T. Campen/Ozell Baker
2.3
12-1
Woodrow Locklear
39.46
12-5
Woodrow Locklear
15.80
13-7
A.R. Lowry
31.0
14-1
George Lowry
7.43
18-1
William Hardin
5.5 (5.5)
18-3
William Hardin
57.0 (60.5)
184A
William Hardin
24.0 (24.0)
184B
William Hardin
28.25 (29.0)
18-5
William Hardin
29.5 (29.5)
19-1
Memory Herring
16.0 (20.8)
19-2
Memory Herring
18.0 (20.8)
19-3
Memory Herring
12.6 (20.57
19-6
Memory Herring
23.0 (28.87)
19-9
Memory Herring
13.6 (22.32)
19-13
Memory Herring
33.5 (52.36)
19-15
Memory Herring
15.41 (28.56)
19-21
Memory Herring
19.3 (22.10)
20-1
W. Henry Horne/O. Baker
16.5 (16.5)
20-2
W. Henry Horne/O. Baker
16.,0 (17.4)
21-1
Hartley Oxendine
22.0 (32.0)
21-2A
Hartley Oxendine
26.0 (36.5)
21-2B
Hartley Oxendine
5.5 (5.5)
21-3
Hartley Oxendine
6.5 (6.5)
21-4
Hartley Oxendine
14-0(18.5)
22
K. M Biggs/J. P. Prevatte
11.7 (14.73)
22-3
K. M Biggs/J. P. Prevatte
19.7 (20.5)
22-1
J.P. Prevatte
11.0 (11.3)
23-11
Alan Carr/Stephens
15.1 (18.1)
23-12
Alan Carr/Stephens
4.30 (4.30)
23-13
Alan Carr/Stephens
19.5 (24.1)
23-14
Nauva Neal/Stephens
24.8 (30.3)
23-15
Nauva Neal/Stephens
4.5 (4.5)
23-16
J. W. Lewis/Stephens
13A (17.9)
23-19
J. W. Lewis/Stephens
12.5 (15.6)
23-21
George Stephens
12.0 (14.0)
23-22
George Stephens
19.0 (23.1)
Total = 710.4
t - Application Area
excludes buffer areas.
The application material indicated that new owner/operator agreements will be forwarded as
soon as received for some of the existing sites. The agreements were not received for these
sites which include Carne Lamb, Hubert Gore, Charles Eden, David Kinlaw, and Daryle
Walters. Please be advised that the Division cannot approve these sites for continued
operation without these agreements, therefore, they have been deleted.
9

The land application sites designated below are covered in part by soils having a seasonal
high water table at depths ranging from 0.0 to 3.0 feet below land surface. Therefore, no
sludge shall be applied to this field during the period from November through April,
inclusive.
Site No./Field No.
Owner/Lessee
Application Areal/(Total) (acres)
10-5
Lucurous Lowry
64.30
10-22
Lucurous Lowry
15.93
12-2
Woodrow Locklear
13.36
12-3
Woodrow Locklear
11.43
13-4
A.R. Lowry
15.09
14-2
George Lowry
16.06
16-1A
Theodore Lowry
9.25
16-1B
Theodore Lowry
10.31
17-1
Lumberton Airport
35.4
17-2
Lumberton Airport
23.42
17-4
Lumberton Airport
51.22
17-5
Lumberton Airport
37.29
18-2
William Hardin
35.0 (40.5)
23-18
J. W. Lewis/Stephens
6.0(9-3)
Total = 344.06
The land application sites designated below are covered in part by soils having a seasonal
high water table at depths ranging from 0.0 to 3.0 feet below land surface. Therefore, no
sludge shall be applied to this field during the period from October through March,
inclusive.
Site NO./Field No.
Owner/Lessee
Application Areal/(Total)_facres)
19-5
Memory Herring
23.4° (29.8)
19-78
Memory Herring
2.9 (9.51)
19-10
Memory Herring
14.1 (19.42)
19-11
Memory Herring
36.4 (46.38)
19-12
Memory Herring
41.5 (54.10
19-14
Memory Herring
31.6 (40.69)
19-16
Memory Herring
39.1 (51.04)
19-17
Memory Herring
49.4 (72.46)
19-18
Memory Herring
7.7 (12.54)
Total = 246.1
Grand Total = 1300.56 acres
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 143-215.6A to 143-215.6C.
7. 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)•
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 imposed by other government
agencies (local, state, and federal) which have jurisdiction.
10

9. A set of approved documents for the subject project must be retained by the applicant for
the life of the permit.
10. 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.
11. This permit may be modified, or revoked and reissued to incorporate any conditions,
limitations and monitoring requirements the Division of Environmental Management deems
necessary in order to adequately protect the environment and public health.
12. Upon completion of construction and prior to operation of the modifications, 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. Mail the Certification to the Water Quality Permits and Engineering
Unit, P.O. Box 29535, Raleigh, NC 27626-0535.
Permit issued this the 26th day of August, 1993
NORTH CAROLINA ENVIRONMENTAL MANAGEMENT COMMISSION
&ACL'-- ko .d n/ti
Qs��
A. Preston oward, Jr., P.E , Acting Director
Division of -Environmental Management
By Authority of the Environmental Management Commission
Permit No. WQ0000672 Amendment
11

Permit No. WQ0000672
August 26, 1993
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, for the
Project Name Location
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
12
Registration No.

IS. RATING SCALE 'FOR CLASSIFICATION OF FACILITIES
Name of Plant: C- I �,f
Z-ct efs�A--7
P
` Owner or Contact Person:
/ c ;,t/a
_, ,YZ!tiT
Rt V e 1, G z
Mailing Address: P. a- N-,1-
I3 61S;-
L tnrti44fr�tcr N t�
2 eN--?s 9
—
County:
Telephone: (-9r9)
NPDES Permit No. NCOO
Nondise.
Per. No. 111/. acctc-7z
IssueDate:_ oT_c /93 `Expiration
2
Date: 1777
Existing Facility �pj.
New Facility
t,-
iRated
RatedBy: 7' 4., 5 -gr, !Cntr
Date:
z 4 Lqz
Reviewed (Train. ,& Cert.) Reg.
Office
10
Reviewed (Train. & Cert.) Central Office
ORC
Grade
maximum of 30
Plant Class: (circle one) 1
I1 111
IV Total Points }'T5-
ITEM POINTS
(1) Industrial Pretreatment Units and/or
industrial Pretreatment Program
(see definition No. 33)
4
(2) DESIGN FLOW OF PLANT IN GPD
(not applicable to non -contaminated rooting waters, sludge
handling facilities for water purification plants, totally
closed cycle systems (def. No. 11), and facilities
consisting only of Item (4) (d) or Items (4) (d) and (11) (d))
0 — 20,000 ..........................
/
20.D01 -- 50,000 ..........................
2
5D,001 -- 100,000 ..........................
3
100,001 -- 250,000 ..........................
4
250,001 -- 500,000 ..........................
5
50D,001 —1,000,000 ..........................
8
1,000.001 2,000,000 ........................
10
2,000,001 (and up) - rate 1 point additional for each
200,000 god capacity up to a
maximum of 30
Design Flow (gpd) :
(3) PRELIMINARY UNITS (see definition no. 32)
(a) Bar Screens ................................
or
(b) Mechanical Screens, Static Screens or
Comminuting Devices ....................... .
(c) Grit Removal ...............................
or
(d) Mechanical or Aerated Grit Removal ...........
(e) Flow Measuring Device .......................
or
(f) Instrumented Flow Measurement ..............
(g) Preaeraiion ................................
3
2
1
2
1
2
(h) Influent Row,Equalization ................... 2
(i) Grease or Oil Separators - Gravity .......... 2
Mechanical .......... 3
Dissolved Air Flotation. B
(j) Prechlorinalion .................. :........... 5
(4) PRIMARY TREATMENT UNITS
(a) Septic Tank (see definition no. 43) .............. 2
(b) Imhoff Tank .................................. 5
(c) Primary Clarifiers .. .. �
.......... ......... 5
(d) Settling Ponds or Settling Tanks for Inorganic
Nontoxic Maleriats (sludge handling facilities
for water purification plants, sand, gravel,
stone, and other mining operations except
recrealionat activities such as gem or gold
rminirig)...................................... 2
(5) SECONDARY TREATMENT UNITS
(a) Carbonaceous Stage
(i)Aeralion - High Purity Oxygen System .....
Diffused Air System ...... . .
Mechanical Air System (fixed,
floating or rotor) . .......... .
Separate Sludge Reaeration
(ii) Trickling Filter
High Rate . .. _ ............. .
Standard Rate ...............
Packed Tower ...............
(iii) Biological Aerated Filter or Aerated
Biological Filter ......................
(iv) Aerated Lagoons ..................... .
(v) Rotating Biological Contactors:..... , .. .
(vi) Sand Filters -
intermittent biological , . , . .
recircutaling biological .... .
(vii) Stabi4ization Lagoons ...................
(vui)Clarilier ..............................
(i z) Single stage system for combined
carbonaceous removal of SOD and
nitrogenous removal by nitrification
(see del. No. 12) (Points for this item
have to be in addition to items (5) (a)
n through (5) (a) (vir7 .................
(x) Nutrient additions to enhance BOD
removal . .. ........... .
(z7 Biological Culture ('Super Bugs') addition
to enhance organic compound removal .....
(b) Nitrogenous Stage
(a') Aeration - High purity Oxygen System .... .
Diffused Air System , ...... .
Mechanical Air System (fixed,
floating, or rotor) ...... ......
Separate Sludge Reaeration .....
(ii) Trickling Filter -
High Rale ..............
Standard Rate ............
Packed Tower............
(iii) Biological Aerated Filter or Aerated
Biological t=aller .........................
(iv) Rolaling Biological Contactors ............
(v) Sand Filter.
intermittent biological ....... .
recirculating biological ........
(vi) clarifier........... .....................
20
10
00
3
7
5
5
10
10
10
2
3
J
5
0
5
5
20
10
a
3
7
5
5
10
10
2
3
5

TEpTIARY OR ADVANCED TREATMENT UNIT '
Sludge Digestion Tank • Heated ...............
(10) 4CHEMICAL ADDITION SYSTEM (S) (See definition No. 9)
(a)
Activated Carbons Beds -(not
5
applicable to chemical additions rated as item
Unheated ... ........
without carbon regeneration ...............• • f
5
(3) (j), (5) (a) (x7. (6) (a), (6) (b), (7) (b). (7) (e),
5
with carbon regeneration ....................
Is
(g) (a), j9) (b). or (9) (c) 5 points each. test:
1
powdered or Granular Activated Carbon Faed -
5
L t
Sludge Efutrialion .............................
Sludge Conditioner (chemical or thermal) ........
without carbon regeneration .................
5
... _ 5
with carbon regeneration ..................
is
.. .. 5
(c)
Jkir Stripping ..............................
S
.... 5
(d)
Denitrification Process(separate process) .....
10
Sludge Holding Tank- Aerated ................
(e)
EfedrodaWS.............................
5
(11) MISCELLANEOUS UNITS
(f)
Foam Separation.............................
5
(a) Holding Ponds, Holing Tanks or Setliing Ponds
(p)
Ion Exchange ................................
5
tot Organic or Toxic Materials including wastes
(h)
Land Application of Treated Effluent
similar dewalering devices ....................
from mining operations containing nitrogen and/or
SLUDGE DISPOSAL. (including incinerated ash)
Lagoons
(see definition no. 22b) (not applicable for
(a)
(b)
phosphorous compounds In amounts significantly
sand, gravel, alone and other similar mining
(see delini6on 222)
facility holds the land app. permit ... 0
greater than Is common for domestic wastewater .......... 4
-where the
-by contracting to a land application operator who
operations)
(b) Effluent Flow Equalization (not applicable to storage
2
(7 on agriculturally managed sites (See del.
-land application of sludge by a contractor who does
basins which are inherent in land application systems). 2
No. 4) ...........•.......................
10
(c) Stage Discharge (not applicable to storage basins
facility where the sludge -is generated .........
(ii) by high rate infiltration on non -agriculturally
(c)
inherent in land application systems_._----_ 5
5
managed silos (includes rotary distributors
fixed systems)
4
(d) Pumps_ 109
(a)
and similar nozzle ...........
5
(e) Stand -By Power Supply .r
Dechlorination ........................
(iii) by subsurface disposal (uidudes low pressure
(1) Thermal Pollution Control Device..._- .. _.._.. _.. 3
Ozone..............................
pipe systems and gravity systems except al
(d)
Sadialion..........................
5
plants consisting of septic tank and nitrifica-
tion lines only) ............................
4
TOTAL POINTS
()
Microscreens..................................
5
(l)
Phosphorus Remo+af by Biological Processes
CLASSIFICATION
(See del. No. 26) ............................
20
(k)
Polishing Ponds - without aeration .......
2
Gass 5 - 25 Points
with aeration ..........
5
la.5s q . _ 26- 50 Points
(1)
Post Aeration - cascade ..............
0
Class I II _ 51- 65 Points
diffused or mechanical ...
5
Class rV66- Up Points
(m) Reverse Osmosis ...............................
5
(n)
Sand or Mixed -Media Filters - low rite ...........
2
Facilities having a rating or one through four points, inclusive,
high rate ..........
5
do not require ■ certified operator. Classification of all other
o)
Treatment processes for removal of metal or
facilities requires a comparable grade operator in responsible
cyanide ....................................
15
charge.
(p)
Treatment processes for removal of toxic
materials other than metal or cyanide .........
15
Facilities having an activated sludge process will be assigned
a minimum classification of Class If.
1 SLUDGE TREATMENT
(a)
(g)
(a)
Sludge Digestion Tank • Heated ...............
1 D
Aerobic ..............
5
Unheated ... ........
3
(b)
Sludge Stabilization (chemical or thermal) .......
5
(c)
Sludge Drying Bed$ - Gravity........ ........
2
Vacuum Assisted .......
5
(d)
(e)
Sludge Efutrialion .............................
Sludge Conditioner (chemical or thermal) ........
5
(1)
Sludge Thiel ener {gravity} ... ................. .
(g)
Dissolved Air Flotation Unit
(not applicable to a unit rates as (3) n .........
B
(h)
Sludge Gas Utilization {ir4uding gas storage) ....
2
(i}
Sludge Holding Tank- Aerated ................
Non-aerated ............
2
il)
Sludge Incinerator - (not including activated
carbon regeneration) .. ..
10
(k)
Vacuum Filter, Centrifuge or Filter Press or other
similar dewalering devices ....................
10
SLUDGE DISPOSAL. (including incinerated ash)
Lagoons
(a)
(b)
.......................................
Land Application (surface and subsurface)
(see delini6on 222)
facility holds the land app. permit ... 0
-where the
-by contracting to a land application operator who
holds the land application permil ................
2
-land application of sludge by a contractor who does
not hold the permit lot the Wastewater treatment
facility where the sludge -is generated .........
10
(c)
Landrilled (burial) .............................
5
DISINFECTION
(a)
Chlorinalion .............................
5
(b)
Dechlorination ........................
5
(c)
Ozone..............................
5
(d)
Sadialion..........................
5
Facilities having lreatmenl processes for the removal of metal
or cyanide will be assigned a minimum classification of Class II.
Facilities having treatment processes for the biological removal
of phosphorus will be assigned a minimum classification of Class
Nil.
In -plant processes and related control equipment which are an
integral part of industrial production shall not be considered waste
treatment. Likewise, discharges of wastewater from residences
having a design flow of 1,000 gpd or less, shall not be subject to
rating.
ADDITIONAL COMMEND