HomeMy WebLinkAboutWQ0010528_Final Permit_20010618State of North Carolina
Department of Environment
and Natural Resources
Division Of Water Quality
Michael F. Easley, Governor
William G. Ross Jr., Secretary
Kerr T. Stevens, Director
.Tune 18, 2001
MR. THOMAS TAMES MCINTOSH, III, DIRECTOR OF PUBLIC WORKS
TOWN OF RAMSEUR
POST OFFICE Box 545
RAMSEUR, NORTH CAROLINA 27316
Dear Mr. McIntosh:
NCDENR
NORTH CAROLINA DEPARTMENT OF
ENVIRONMENT AND NATURAL RESOURCES
Subject: Permit No. WQ0010528
Town of Ramseur
Surface Disposal of Residuals from the
Treatment of Water and Wastewater
Randolph County
In accordance with your application received on April 2, 2001 as well as the additional information
received on May 24, 2001, we are forwarding herewith Permit No. WQ0010528, dated June 18, 2001, to the Town
of Ramseur for the continued operation of a residuals surface disposal unit. This permit shall be effective from the
date of issuance until September 30, 2005; shall void Permit No. WQ0010528, issued October 23, 2000; and shall
be subject to the conditions and limitations as specified therein.
With this permit issuance, the Ramseur Water Treatment Plant (i.e., PWSS ID Number 02-76-020) has
been approved as an additional source to the permitted surface disposal unit. The residuals are alum -based and are
not to exceed an application rate in the surface disposal unit of 35.5 dry tons per year. As always, please take time
to review this permit thoroughly. Of special interest are the following amended provisions:
♦ General: The system description has been changed to approve up to 35.5 dry tons per year of alum
residuals from the treatment of potable water for disposal in the surface disposal unit.
♦ Condition 1. 6.: This is a new condition that not only reminds the Permittee that a spill prevention and
control plan is to be Kept in all residuals transport and application vehicles but also dictates that any
vehicle used to transport the alum residuals to the surface disposal unit site shall be covered or
otherwise enclosed. Furthermore, this condition requires that the vehicle not be used to transport
unstabilized wastewater residuals unless it is thoroughly cleaned and disinfected prior to using the
vehicle to transport alum residuals once again.
♦ Condition I. 7.: Language has been added to exclude the alum residuals generated from the treatment
of potable water specifically from complying with the requirements of this condition.
♦ Condition II. 2.: This condition has been amended to approve up to 35.5 dry tons per year/2.96 dry
tons per month of alum residuals from the Ramseur Water Treatment Plant as a source to the surface
disposal unit.
♦ Condition 11. 3.: This condition has been amended to remind the Permittee that all of the residuals to
be disposed of in the surface disposal unit must not exceed specific ceiling concentrations for certain
parameters.
1617 Mail Service Center, Raleigh, North Carolina 27699-1617 Telephone (919) 733-5083 Fax (919) 715-6048
An Equal Opporlunity Affirmative Action Employer 50% reeycled/10% post -consumer paper
♦ Condition III. 2. through Condition III. 4.: These conditions have been amended to require that all
analyses and recordkeeping associated with this permit be source specific (i.e., separate analyses and
tracking for the wastewater residuals and the alum residuals).
♦ Condition IIl. 5.: Language has been added to exclude the alum residuals generated from the treatment
of potable water specifically from complying with the requirements of this condition.
♦ Condition VI. I. This condition has been amended to reflect the fact that an application fee is no
longer required when making an application to the Division to transfer this pern-vt to a new owner or to
reissue this permit such that it reflects a name change of the Permittee.
♦ Condition VI. 6.: Language has been added to this condition to provide examples of some other rules
and regulations that may affect non -discharge systems like this one.
♦ Condition VI. 9.: This condition has been amended to provide more guidance regarding surface
disposal unit closure notification requirements.
Please pay particular attention to the monitoring and reporting requirements contained 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, 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, 6714 Mail Service Center, Raleigh, NC 27699-6714. Unless such
demands are made, this permit shall be final and binding.
If you need additional information concerning this matter, pleasecontact Ms_ Shannon Mohr Thornburg at
(919) 733-5083, extension 353_ /,
Sinc el ,
Kerr T. Stevens
cc: Randolph County Health Department
Winston-Salem Regional Office, Water Quality Section
Winston-Salem Regional Office, Groundwater Section
Groundwater Section, Central Office
Technical Assistance and Certification Unit
Non -Discharge Compliance/Enforcement Unit
2
NORTH CAROLINA
ENVIRONMENTAL MANAGEMENT COMMISSION
DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES
RALEIGH
SURFACE DISPOSAL UNIT 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
Town of Ramseur
Randolph County
FOR THE
continued operation of a surface disposal unit consisting of a 10-acre lined lagoon and the associated piping for the
disposal of up to 60 dry tons per year (i.e., not to exceed five dry tons per month) of lime -stabilized wastewater
residuals and up to 35.5 dry tons per year of alum residuals from the treatment of potable water from the sources
listed in Condition H. 2. with no discharge of wastes to the surface waters pursuant to the application received on
April 2, 2001 as well as the additional information received on May 24, 2001, and in conformity with the project
plans, 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 September 30, 2005; shall void Permit No.
WQ0010528, issued October 23, 2000; and shall be subject to the following specified conditions and limitations:
I. PERFORMANCE STANDARDS
The surface disposal unit 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.
2. The issuance of this permit shall not relieve the Permittee of the responsibility for damages to surface
or ground water resulting from the operation of this surface disposal unit.
In the event that the surface disposal unit is not operated satisfactorily, including the creation of
nuisance conditions, the Pemuttee shall cease disposing of the residuals to the surface disposal unit,
contact the Winston-Salem Regional Office, and take any immediate corrective actions as may be
required by the Division of Water Quality (Division).
4. The following buffer zones shall be maintained:
a. 400 feet between an active surface disposal unit and any habitable residence,
b. 100 feet between an active surface disposal unit and any public or private water supply source, all
streams classified as WS or B, waters classified as SA or SB and any Class I or Class U impounded
reservoir used as a source of drinking water,
II.
c. 100 feet between an active surface disposal unit and any stream, lake, river, or natural drainage
way,
d. 50 feet between an active surface disposal unit and property lines (if the original permit was issued
with the buffer distance to property line as 100 feet, updated maps must be submitted and new
acreage delineated for the buffer to be reduced),
e. 10 feet between an active surface disposal unit and any interceptor drains or surface water
diversions (upslope),
f. 25 feet between an active surface disposal unit and any interceptor drains or surface water
diversions (downslope),
g. 25 feet between an active surface disposal unit and any groundwater lowering and surface drainage
ditches.
Some of the buffers specified above may not have been included in previous permits for this surface
disposal unit. These buffers are not intended to prohibit or prevent modifications that are required by
the Division to improve performance of the existing surface disposal unit. These buffers do, however,
apply to modifications of the surface disposal unit. These buffers do also apply to any expansion or
modification of the surface disposal unit and apply in instances in which the sale of property would
cause any of the buffers now complied with, for the surface disposal unit, to be violated. The Permittee
is advised that any modifications to the existing surface disposal unit will require a permit
modification.
5. A copy of this permit shall be maintained at the surface disposal unit site when residuals are being
disposed during the life of this permit.
6. A spill prevention and control plan shall be maintained in all residuals transport and application
vehicles. The alum residuals generated from the treatment of potable water at the Ramseur Water
Treatment Plant (i.e., Public Water Supply ID Number 02-76-020) shall be transported to the surface
disposal unit site in a vehicle that shall be suitably covered or otherwise enclosed to prevent residuals
from escaping the vehicle during the transportation process. Furthermore, this vehicle shall not be used
to transport unstabilized wastewater residuals unless it is thoroughly cleaned and disinfected prior to
being used to transport the alum residuals again.
7. When wastewater residuals are disposed in a surface disposal unit, the Class A pathogen requirements
in 40 CFR Part 503.32(a) or the Class B pathogen requirements in 40 CFR Part 503.32(b) and one of
the vector attraction reduction requirements in 40 CFR Part 503.33 shall be met. Additionally, an
evaluation shall be performed that demonstrated the residuals' ability to comply with this requirement.
Upon request, a copy of this evaluation, including all test results and calculations, shall be submitted.
The alum residuals generated from the treatment of potable water at the Ramseur Water Treatment
Plant (i.e., Public Water Supply ID Number 02-76-020) shall be exempt from complying with the
requirements of this condition.
OPERATION AND MAINTENANCE REQUIREMENTS
1. The facilities and the surface disposal unit shall be properly maintained and operated at all times.
No residuals other than the following shall be approved for disposal in the surface disposal unit in
accordance with this permit:
Source Countv Permit Number Volume
Town of Ramseur WWTP Randolph NPDES Permit No. NCO026565 60 dry tons per year
Lime -Stabilized Biosolids 5 dry tons per month'
Town of Ramseur WTP Randolph PWSS ID No. 02-76-020 35.5 dry tons per year
Alum Residuals 2.96 dry tons per month'
2
The rate of residuals application in the surface disposal unit shall not exceed these permitted
amounts. The Permittee shall submit a formal request to and receive written approval from the
Division should there be a desire to exceed these application rates. This requirement is being
initiated as a result of the unknown integrity of the liner present in the surface disposal unit and the
inability to utilize groundwater and/or surface water sampling to monitor the its performance.
Limiting the rate of residuals application will prolong aerobic treatment of any organic matter
present in the residuals, allow volatilization of ammonia from the residuals, and facilitate soil
treatment of any leachate from the residuals.
3. The pollutant concentrations in any of the residuals that will be disposed in the surface disposal unit
shall not exceed the following Ceiling Concentrations (i.e.,dry weight basis):
Concentration
Parameter (milligrams per kilogram)
Arsenic 39
Chromium 260
Nickel 270
4. Upon classification of the surface disposal unit by the Water Pollution Control System Operators
Certification Commission (WPCSOCC), the Permittee shall employ a certified operator to be in
responsible charge (ORC) of the surface disposal unit. The operator shall hold a certificate of the type
classification assigned to the surface disposal unit by the WPCSOCC. The Permittee shall also employ
a certified back-up operator of the appropriate type to comply with the conditions of 15A NCAC 8G
.0202.
The active surface disposal unit shall not'restrict the flow of a base flood.
6. The active surface disposal unit shall not be located in an unstable area.
7. Appropriate measures shall be taken to control public access to the surface disposal unit during active
use and for the 36-month period following closure of the surface disposal unit. Such controls may
include fencing and the posting of signs indicating the activities being conducted at the surface disposal
unit site.
Adequate provisions shall be taken to prevent any surface runoff from occurring from the active
surface disposal unit. If runoff cannot be prevented, a collection system shall be installed with the
capacity to handle runoff from a 24-hour, 25-year storm event. All collected runoff shall be disposed
in a manner approved by the Division.
9. Adequate provisions shall be taken to prevent wind erosion from conveying pollutants or residuals
from the surface disposal unit onto the adjacent property or into any surface waters.
10. Food crops, feed crops, and/or fiber crops shall not be grown on the active surface disposal unit, unless
approval has been requested and received from the Division.
11. Animals shall not be grazed on the active surface disposal unit, unless approval has been requested and
received from the Division.
I11. MONITORING AND REPORTING REQUIREMENTS
1. Any monitoring (i.e., including groundwater, surface water, residuals, soil, or plant tissue analyses)
deemed necessary by the Division to ensure protection of the environment shall be established and an
acceptable sampling and reporting schedule shall be followed_
2. Proper records shall be maintained by the Permittee tracking all disposal activities. All records shall be
kept by the Permittee for a minimum period of five years from the date of disposal. These records shall
include, but shall not necessarily be limited to the following source -specific information:
a. Source and date of disposal for the residuals;
b. Rate of residuals disposed in dry tons per month; and
c. Volume of residuals disposed in gallons per year, dry tons per year, or kilograms per year.
A representative residuals analysis for each permitted source shall be conducted annually from the date
of permit issuance by the Permittee, and the results shall be maintained on file by the Permittee for a
minimum of five years. If disposal events occur at a frequency less than annually, a residuals analysis
shall be required for each disposal event. The residuals analysis shall include but is not necessarily
limited to the following parameters:
Arsenic Nickel pH
Chromium Percent Total Solids
4. A Toxicity Characteristics Leaching Procedure (TCLP) analysis .shall be conducted by the Permittee
annually on residuals for each permitted source. The TCLP analysis shall include the following
parameters (i.e., note the regulatory level in milligrams per liter in parentheses):
Arsenic (5.0)
Barium (100.0)
Benzene (0.5)
Cadmium (1.0)
Carbon tetrachloride (0.5)
Chlordane (0.03)
Chlorobenzene (100.0)
Chloroform (6.0)
Chromium (5.0)
o-Cresol (200.0)
m-Cresol (200.0)
p-Cresol (200.0)
Cresol (200.0)
2,4-D (10.0)
1,4-Dichlorobenzene (7.5)
1,2-Dichloroethane (0.5)
1, 1 -Dichloroethylene (0.7)
2,4-Dinitrotoluene (0.13)
Endrin (0.02)
Heptachlor (and its hydroxide) (0.008)
Hexachlorobenzene (0.13)
Hexachloro-1,3-butadiene (0.5)
Hexachloroethane (3.0)
Lead (5.0)
Lindane (0.4)
Mercury (0.2)
Methoxychlor (10.0)
Methyl ethyl ketone (200.0)
Nitrobenzene (2.0)
Pentachlorophenol (100.0)
Pyridine (5.0)
Selenium (1.0)
Silver (5.0)
Tetrachloroethylene (0.7)
Toxaphene (0.5)
Trichloroethylene (0.5)
2,4,5-Trichlorophenol (400.0)
2,4,6-Trichlorophenol (2.0)
2,4,5-TP (Silvex) (1,0)
Vinyl chloride (0.2)
5. All wastewater residuals included in this permit shall be monitored annually, from the date of permit
issuance, for compliance with Condition 1. 6. of this permit. Data to verify stabilization and vector
attraction reduction of the residuals shall be maintained by the Permittee. The required data shall be
specific to the stabilization process utilized, but should be sufficient to clearly demonstrate compliance
the Class A pathogen requirements in 40 CFR Part 503.32(a) or with the Class B pathogen
requirements and site restrictions in 40 CFR Part 50332(b). In addition, the EPA certification
statements concerning compliance with pathogen requirements, vector attraction reduction
requirements and management practices shall be completed annually by the proper authority or
authorities if more than one is involved, either the person who prepares the residuals, the person who
derives the material, or the person who applies the residuals. The alum residuals generated from the
treatment of potable water at the Ramseur Water Treatment Plant (i.e., Public Water Supply ID
Number 02-76-020) shall be exempt from: complying with the requirements of this condition.
4
6. Three copies of all required monitoring and reporting requirements as specified in Condition Ill. L,
Condition III. 2., Condition Ill. 3., Condition III. 4., and Condition III. 5. shall be submitted annually
on or before March Ist of the year following the disposal event to the following address:
NC Division of Water Quality
Water Quality Section
Non -Discharge Compliance/Enforcement Unit
1617 Mail Service Center
Raleigh, North Carolina 27699-1617
7. 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 occurrence with surface disposal activities that results in the disposal of significant amounts of
wastes that are abnormal in quantity or characteristic.
b. Any failure of the surface disposal activities resulting in a release of material to receiving waters.
c. Any time that self -monitoring information indicates that the surface disposal unit 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 renders the surface disposal unit
incapable of adequate residual treatment.
e. Any spillage or discharge from a vehicle or piping system transporting residuals to the surface
disposal unit.
Persons reporting such occurrences by telephone shall also file a written report in letterform within five
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
1. The COMPLIANCE BOUNDARY for the surface disposal unit is specified by regulations in 15A
NCAC 2L (i.e., Groundwater Classifications and Standards). The Compliance Boundary for surface
disposal units constructed after to December 31, 1983 is established at either (1) 250 feet from the
surface disposal unit or (2) 50 feet within the property boundary, whichever is closest to the surface
disposal unit. An exceedance of Groundwater Quality Standards at or beyond the Compliance
Boundary is subject to immediate remediation action in addition to the penalty provisions applicable
under North Carolina General Statute § 143-215.6A(a)(1).
In accordance with 15A NCAC 2L, a REVIEW BOUNDARY is established around the surface
disposal unit midway between the Compliance Boundary and the perimeter of the surface disposal unit.
Any exceedance of Groundwater Quality Standards at the Review Boundary shall require remediation
action on the part of the Permittee.
2. Any groundwater quality monitoring, as deemed necessary by the Division, shall be provided.
V. INSPECTIONS
1, The Permittee or his designee shall inspect the residuals storage, transport, 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
maintain 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 five years from the date of the
inspection and shall be made available to the Division or other permitting authority, upon request.
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 surface disposal unit
at any reasonable time for the purpose of determining compliance with this permit; inspect or copy any
records that must be kept under the terms and conditions of this permit; and obtain samples of
groundwater, surface water, or leachate.
VI. GENERAL CONDITIONS
This permit shall become voidable unless the disposal activities are carried out in accordance with the
conditions of this permit, the supporting materials, and in the manner approved by this Division.
2. This permit shall be effective only with respect to the nature and volume of wastes described in the
application and other supporting data.
3. This permit shall not be automatically transferable. In the event that there is a desire for the surface
disposal unit to change ownership or a name change of the Permittee is expected to or does occur, a
formal permit request shall be submitted to the Division accompanied by documentation from the
parties involved and other supporting materials as may be appropriate. The approval of this request
shall be considered on its merits and may or may not be approved.
4. 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 Statutes §143-
215.6A through §143-215.6C.
5. The annual administering and compliance fee shall be paid by the Permittee within 30 days after being
billed by the Division. Failure to pay the fee accordingly may cause the Division to initiate action to
revoke this permit as specified by 15 NCAC 2H .0205 (c)(4).
6. The issuance of this permit shall not preclude the Permittee from complying with any and all statutes,
rules, fegulations, or ordinances that may be imposed by other government agencies (i.e., local, state,
and federal) which have jurisdiction, including, but not limited to, applicable river buffer rules in 15A
NCAC 2B .0200, soil erosion and sedimentation control requirements in 15A NCAC Chapter 4 and
under the Division's General Permit NCG0100000, and any requirements pertaining to wetlands under
15A NCAC 2B .0200 and 15A NCAC .0500.
7. The Permittee, at least six months prior to the expiration of this permit, shall request its extension.
Upon receipt of the request, the Division shall review the adequacy of the surface disposal unit
described therein and, if wan -anted, shall extend the permit for such period of time and under such
conditions and limitations as it may deem appropriate.
8. This permit may be modified, or revoked and/or reissued to incorporate any conditions, limitations, and
monitoring requirements the Division deems necessary in order to protect the environment and public
health adequately.
9. The Division shall be notified in writing at least 180 days prior to closing of the surface disposal unit.
A formal closure plan and a post -closure management care program for the surface disposal unit shall
be submitted at that tune_ This information shall be specific to the surface disposal unit site as well as
relate to the Permittee's future plans for the land. A schedule for implementing both the closure plan
and the post-cIosure management care program shall be provided as well. The Division will accept a
submittal that has been prepared in accordance with the document entitled "Process Design Manual:
Surface Disposal of Sewage Sludge and Domestic Septage (EPA/625/R-95/002)," published by the
United States Environmental Protection Agency's Office of Research and Development. Submit three
copies of all information to the Non -Discharge Permitting Unit, 1617 Mail Service Center, Raleigh, NC
27699-1617.
Permit issued this eighteenth day of Iune, 2001.
NORT OLIN �ONMENTAL MANAGEMENT COMMISSION
i
Kerr T. Stevens, Director
Division of Water Quality
By Authority of the Environmental Management Commission
Permit Number WQ0010528
TOWN OF RAMSEUR
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1122N
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WATER POLLUTION CONTROL SYSTEM OPERATORS
CERTIFICATION COMMISSION
CLASSIFICATION
RATING SHEET FOR WATER POLLUTION CONTROL SYSTEMS
FACILITY INFORMATION:
NA
ME OF FACILITY: % Seiue �W
NIAILLNG ADDRESS: / � � -4,
COUNTY:
CONTACT PERSON: /G �'rh TELEPHONE: (W") '9-Zdf
PERT NO: hC10 Z45(0 4 Check One: NC 4 WQ ,
NIIHEALTH DP
-� u�goo i o5zb
ORC: I C tM+ t
TELEPHO--NTE: (?34 1 Z 4 —.3 fJ ?
RATING INFORMATION: (Before completing this section, please refer to pages 2-4)
PER-%UTTED FLOW: 0,44160 MGD BNR? YES NO
CHECK CLASSIFICATION: WASTEWATER: I 2 3 4
COLLECTION: I 2 3 4
SPRAY IRRIGATION SUBSURFACE
PHYSICAIJCHENIICAL GRADE I
LAND APPLICATION
GRADE II
RATED BY: W� REGION: DATE: 7 st ZIf
�
REGIONAL OFFICE TELEPHONE NUMBER: 130) #7 71- 44- / O =: _:2 G 3
Classification of Biological Water Pollution Control Treatment Systems:
Grade I Biological WPCS
- Septic tank/sand filter systems
- Biological lagoon systems
Constructed wetlands and associated appurtenances
Grade 11 Biological WPCS
- Systems that utilize an activated sludge or fixed growth process with a permitted flow
less than or equal to 0.5 million gallons per day (mgd)
Grade III Biological WPCS
- Systems that utilize an activated sludge or fixed growth process with a permitted flow
of greater than 0.5 through 2.5 million gallons per day (mgd)
- Grade II systems that are required to achieve biological nutrient reduction
Grade IV Biological WPCS .
- Systems that utilizing an activated sludge or fixed growth process with a permitted flow
of greater than 2.5 million gallons per day (mgd)
- Grade III systems that are required to achieve biological nutrient reduction *
* Biological Nutrient Reduction -
The reduction of total nitrogen or total phosphorous by an activated sludge or fixed growth
process as required by the facilities permit.
Classification of Collection Water Pollution Control Systems:
(whichever provides Iowest grade)
Same grade as biological water pollution control system. Grade of system:
Based on population served:
1,500. or Less = Grade I
1,501 to 15,000 = Grade II
15,001 to 50,000 = Grade III
50,001 or more = Grade IV
Classification of Spray Irrigation Water Pollution Control Systems:
Systems which utilize spray irrigation for the reuse or disposal of wasterwater.
These systems include: septic tanks, sand filter, oil/water separators, Iagoons,
storage basins, screening, sedimentation. Systems other than those listed above
shall be subject to additional classification.
Classification of Land Application of Residuals Systems:
Systems permitted and dedicated for land application of residuals that are produced by a
water pollution control system or contaminated soils.
Classification of Phvsical/Chemical Water Pollution Control Treatment Systems:
Grade I Physical/Chemical. Any water pollution control system that utilizes a primarily
physical process to treat wastewater. This classification includes groundwater
remediation systems. **
Grade II Physical/Chemical: Any water pollution control system that utilizes a primarily
chemical process to treat wastewater. This classification includes reverse osmosis,
electrodialysis, and ultrafiltration systems. **
** Any water pollution control system that utilizes a phyical/chemical process to enhance an
activated sludge or fixed growth process, shall not be subject to additional classification.
Classification of Subsurface Water Pollution Control Systems:
Systems which utilize the soil for subsurface treatment and disposal of wastewater
and/or are rewired to have a certified operator under 15A NCAC 18A.1961. ***
***Any subsurface system that has as part of its treatment process a water pollution control
systems that may be classified under Rules. 0302 through .0307 of this section shall be
subject to addional classification.
Definitions
Activated Sludge - shall paean a biological wastewater treatment process in which predominantly
biodegradable polluntants in wastewater are absorbed, or adsorbed by living aerobic organisms and
bacteria.
Chemical Process - shall mean a wastewater pollution control system process consisting
exclusively of the addition of chemicals to treat wastewater.
Collection System - shall mean a continuous connections of pipelines, conduits, pumping
stations, and other related constructions used to conduct wastewater to the water pollution
control system.
Electrodialysis System - shall mean a system utlizing a selective separation of dissolved solids
process that is based on electrical charge and diffusion through a semipermeable membrane.
Physical Process - shall mean any water pollution control system process consisting of
electrodialysis, adsorption, absorption, air stripping, gravimetric sedimentation, floation, and
filtration as a means of treatment.
Reverse Osmosis Svstem - shalI mean a system which utilizes solutions and semipermable
menabranes to separate and treat wastewater.
Ultrafiltration System - shalI mean a system which utilizes a membrane filter to remove
pollutants from wastewater.
Water Pollution Control System - shall mean any system for the collection, treatment, or
disposal of wastewater and is classified under the provision of G.S. 90A-37.
Note: Please refer to G.S. 90A-37 for additional information and definitions.
WATER POLLUTION CONTROL SYSTEM OPERATORS
CERTIFICATION COMMISSION
CLASSIFICATION
RATING SHEET FOR WATER POLLUTION CONTROL SYSTEMS
FACILITY INFORMATION:
NAME OF FACILITY: ? 2 0- o �SCur &
MAILING ADDRESS: Pe''g,"e 5-4'-
COUNTY:24-00.we //J
CONTACT PERSON: IErILI TELEPHONE: (swv) S L4 -3,P3 ,7
PERMIT NO: AC 00 74d S*- Check One: NC X WQ HEALTH DP
ORC: 7-gzAY t %O LrLew ---- --. TELEPHONE: (33� aZ-4 f S4 3,7
RATING INFORMATION: (Before completing this section, please refer to pages 2-4)
PERMITTED FLOW: O.Of MGD BNR? YES NO .le
CHECK CLASSIFICATION: WASTEWATER: 1
COLLECTION: 1
SPRAY IRRIGATION SUBSURFACE
PHYSICAL/CHEMICAL GRADE I
2
3
4
2
3
4
LAND APPLICATION
GRADE II
RATED BY: il'& l" REGION: W DATE: -7 2�
REGIONAL OFFICE TELEPHONE NUMBER (51) %7/ -4GOO =: 7,63
Classification of Biological Water Pollution Control Treatment Systems:
Grade I Biological WPCS
- Septic tank/sand filter systems
- Biological Iagoon systems
- Constructed wetlands and associated appurtenances
Grade II Biological WPCS
- Systems that utilize an activated sludge or fixed growth process with a permitted flow
less than or equal to 0.5 million gallons per day (mgd)
Grade III Biological WPCS
- Systems that utilize an activated sludge or fixed growth process with a permitted flow
of greater than 0.5 through 2.5 million gallons per day (mgd)
- Grade II systems that are required to achieve biological nutrient reduction
Grade IV Biological WPCS'
Systems that utilizing an activated sludge or fixed growth process with a permitted flow
of greater than 2.5 million gallons per day (mgd)
- Grade III systems that are required to achieve biological nutrient reduction
* Biological Nutrient Reduction -
The reduction of total nitrogen or total phosphorous by an activated sludge or fixed growth
process as required by the facilities permit.
Classification of Collection Water Pollution Control Systems:
(whichever provides lowest grade)
Same grade as biological. water pollution control system. Grade of system:
Based on population served:
1,500- or Less = Grade I
1,501 to 15,000 = Grade II
15,001 to 50,000 = Grade III
50,001 or more = Grade IV
Classification of Spray Irrigation Water Pollution Control Systems:
Systems which utilize spray irrigation for the reuse or disposal of wasterwater.
These systems include: septic tanks, sand filter, oil/water separators, lagoons,
storage basins, screening, sedimentation. Systems other than those listed above
shall be subject to additional classification.
Classification of Land Application of Residuals Systems:
Systems permitted and dedicated for land application of residuals that are produced by a
water pollution control system or contaminated soils_
Classification of Physical/Chemical Water Pollution Control Treatment Systems:
Grade I Physical/Chemical: Any water pollution control system that utilizes a primarily
physical process to treat wastewater_ This classification includes groundwater
remediation systems. **
Grade II Physical/Chemical: Any water pollution control system that utilizes a primarily
chemical process to treat wastewater. This classification includes reverse osmosis,
electrodialysis, and ultrafiltration systems. **
** Any water pollution control system that utilizes a phyicaYchemical process to enhance an
activated sludge or fixed growth process, shall not be subject to additional classification.
Classification of Subsurface Water Pollution Control Systems:
Systems which utilize the soil for subsurface treatment and disposal of wastewater
and/or are required to have a certified operator under 15A NCAC 18A.1961. ***
*** Any subsurface system that has as part of its treatment process a water pollution control
systems that may be classified under Rules .0302 through .0307 of this section shall be
subject to addional classification.
Definitions
Activated Sludge - shad mean a biological wastewater treatment process in which predominantly
biodegradable po luntants in wastewater are absorbed, or adsorbed by living aerobic organisms and
bacteria.
Chemical Process - shall mean a wastewater pollution control system process consisting
exclusively of the addition of chemicals to treat wastewater.
Collection System - shall mean a continuous connections of pipelines, conduits, pumping
stations, and other related constructions used to conduct wastewater to the water pollution
control system.
Dectrodialysis System - shall mean a system utlizing a selective separation of dissolved solids
process that is based on electrical charge and diffusion through a semipermeable membrane.
Physical Process - shall mean any water pollution control system process consisting of
electrodialysis, adsorption, absorption, air stripping, gravimetric sedimentation, floation, and
filtration as a means of treatment.
Reverse Osmosis System - shalI mean a system which utilizes solutions and semipermable
membranes to separate and treat wastewater.
UltraffItration System - shall mean a system which utilizes a membrane filter to remove
pollutants from wastewater.
Water Pollution Control System - shall mean any system for the collection, treatment, or
disposal of wastewater and is classified under the provision of G.S. 90A-37_
Note: Please refer to G.S. 90A-37 for additional information and definitions.