HomeMy WebLinkAboutWQ0019123_Final Permit_20011219State of North Carolina
Department of Environment
and Natural Resources
Division of Water Quality
Michael F. Easley,
William G. Ross Jr
Gregory J. Thorpe,
CHARLEs HURSEY
Governor
Secretary
Ph.D., Acting Director
HURSEY MEAT CENTER, LLC
2443 BARBER ROAD
ELON COLLEGE, NC 27244
Dear Mr. Hursey:
December 19, 2001
` 9 •
Ad
NCDENR
NORTH CAROLINA DEPARTMENT OF
ENVIRONMENT AND NATURAL REsouRGEs
Subject: Permit No. WQ0019123
Hursey's Meat Center
Wastewater Spray Irrigation
Alamance County
In accordance with your application received October 4, 2000, we are forwarding herewith Permit No.
WQ0019123, dated December 19, 2001, to Hursey Meat Center, LLC for the construction and operation of the
subject wastewater treatment and spray irrigation facilities.
This permit shall be effective from the date of issuance until November 31, 2006, and shall be subject to
the conditions and limitations as specified therein. Please note Condition I.3, II.I, 11.3, H.7, 11.12 and IV. S.
regarding facility maintenance and performance. Please pay particular attention to the monitoring
requirements in this permit. Failure to establish an adequate system for collecting and maintaining the required
operational information will result in future compliance problems.
If any parts, requirements, or limitations contained in this permit are unacceptable, you have the right to
request an adjudicatory hearing upon written request within thirty (30) days following receipt of this permit.
This request must be in the form of a written petition, conforming to Chapter 150E of the 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.
One set of approved plans and specifications is being forwarded to you. If you need additional
information concerning this matter, please contact Kim Colson at (919) 733-5083 extension 540.
cc: Alamance County Health Department
Winston-Salem Regional Office, Water Quality Section
Winston-Salem Regional Office, Groundwater Section
Groundwater Section, Central Office
Harold Jensen, Jensen Environmental Consultants, P.A.
Technical Assistance and Certification Unit
Non -Discharge Compliance/Enforcement Unit
1617 Mail Service Center, Raleigh, North Carolina 27699-1617 Telephone (919) 733-5083 Fax (919) 715-6048
An Equal Opportunity Affirmative Action Employer 50% recycled/10% post -consumer paper
NORTH CAROLINA
ENVIRONMENTAL MANAGEMENT COMMISSION
DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES
RALEIGH
SPRAY IRRIGATION SYSTEM PERMIT
In accordance with the provisions of Article 21 of Chapter 143, General Statutes of North Carolina as amended, and
other applicable Laws, Rules, and Regulations
PERMISSION IS HEREBY GRANTED TO
Hursey Meat Center, LLC
Alamance County
FOR THE
construction and operation of a 1150 GPD (based on 200 hogs per week) spray irrigation treatment and disposal
facility consisting of a 381,861 gallon facultative lagoon, chlorination, two 460 GPM submersible pump stations, and
211,702 square feet of spray irrigation area with 54 spray heads located 60 feet on center with a spray radius of 40 fee*
and all appurtenances to serve Hursey's Meat Center, with no discharge of wastes to the surface waters, pursuant to th
application received October 4, 2000, and in conformity with the project plan, 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 November 31, 2006, and shall be subject to the
following specified conditions and limitations:
PERFORMANCE STANDARDS
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 this permit, the approved plans and specifications, and other supporting materials. If this project is to
be completed in phases and partially certified you shall retain the responsibility to track further
construction approved under the same permit, and shall provide a final certificate of completion once the
entire project has been completed. Mail the Certification to the Non -Discharge Permitting Unit, Division
of Water Quality, 1617 Mail Service Center, Raleigh, NC 27699-1617.
2. The Winston-Salem Regional Office, telephone number (336) 7714600, shall be notified at least forty-
eight (48) hours in advance of operation of the installed facilities 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.
3. The spray irrigation facilities shall be effectively maintained and operated at all times so that there is no
discharge to the surface waters, nor any contamination of ground waters which will render them
unsatisfactory for normal use. In the event that the facilities fail to perform satisfactorily, including the
creation of nuisance conditions or failure of the irrigation area to adequately assimilate the wastewater, the
Permittee shall take immediate corrective actions including those actions that may be required by the
Division of Water Quality (Division), such as the construction of additional or replacement wastewater
treatment and disposal facilities. Additional wastewater treatment facilities may include (but not limited
to) aeration for the lagoon, a lagoon cover, management activities in addition to those required in
Condition IL L, additional vegetative buffers, etc.
4. The issuance of this permit shall not relieve the Permittee of the responsibility for damages to surface or
ground waters resulting from the operation of this facility.
5. The residuals generated from these treatment facilities must be disposed in accordance with General
Statute 143-215.1 and in a manner approved by the Division.
6. Diversion or bypassing of the untreated wastewater from the treatment facilities is prohibited.
7. The following buffers shall be maintained:
a) 400 feet between wetted area and any residence or places of public assembly under separate
ownership,
b) 150 feet between wetted area and property lines,
c) 100 feet between wetted area and wells,
d) 100 feet between wetted area and drainageways or surface water bodies,
e) 50 feet between wetted area and public right of ways,
f) 100 feet between wastewater treatment units and wells, and
g) 50 feet between wastewater treatment units and property lines.
II. OPERATION AND MAINTENANCE REOUIREMENTS
The facilities shall be properly maintained and operated at all times. Blood from the initial kill shall be
drained into 55-gallon drums and shall be disposed of offsite along with all inedible parts. This material
shall be kept in refrigeration until transported offsite and not be disposed in the lagoon. The Permittee is
responsible for ensuring inert material, fats, grease, etc. do not enter the lagoon by installing and
maintaining traps/grates at all drains. Additionally, the Permittee is responsible for developing and
implementing a plan to properly train all staff on the importance of maintaining those facilities within the
processing area to ensure nuisance conditions do not develop with the wastewater treatment facilities.
Upon classification of the facility by the Water Pollution Control System Operators Certification
Commission (WPCSOCC), the Permittee shall employ a certified wastewater treatment plant operator to
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 orb eater than the classification assigned to the wastewater
treatment facilities by the WPCSOCC. The Permittee must also employ a certified back-up operator of the
appropriate type and grade to comply with the conditions of 15A NCAC 8G .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 15A NCAC 8G .0202. Once the
facility is classified, the Permittee must submit a letter to the WPCSOCC which designates the operator in
responsible charge within thirty days after the wastewater treatment facilities are 50% complete.
2
A suitable year round vegetative cover of tall fescue, common bermuda, and winter annuals shall be
maintained according to the following agronomic rates:
Pounds of Nitrogen
Crop per Acre_ Application Window
Tall Fescue 202.5 February -May, September -November
Common Bermudagrass 180.0 May -September
Winter Annuals 50.0 September -March
If the crops are not able to utilize the PAN produced, additional acreage will be added or the treatment
facility will be improved. Permit modification will be requested and must be submitted to the Division
accompanied by an application fee, prior to any modification of the wastewater facilities.
4. Irrigation shall not be performed during inclement weather or when the ground is in a condition that will
cause runoff.
Adequate measures shall be taken to prevent wastewater runoff from the spray field.
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.
7. The application rate shall not exceed a cumulative loading of 5.33 inches over any twelve (12) month
period with no wastewater application from November through March. The instantaneous application rate
shall not exceed 0.25 inches per hour.
No type of wastewater other than that from Hursey's Meat Center shall be sprayed onto the irrigation area.
No traffic or equipment shall be allowed on the disposal area except while installation occurs or whilt
normal maintenance is being performed.
10. Public access to the land application sites shall be controlled during active site use. Such controls may
include the posting of signs showing the activities being conducted at each site.
11. Freeboard in the facultative lagoon shall not be less than two feet at any time.
12. A vegetative buffer of mixed evergreen tall shrubs or trees shall be planted and maintained between the
lagoon and NC Hwy 87 and along the property line between the church and spray fields. A landscape plan
detailing the buffers shall be submitted to the Division for approval within 60 days of permit issuance.
Operation of the wastewater treatment facilities shall not commence until the Division approved plan is
fully implemented.
III. MONITORING AND REPORTING REQUIREMENTS
1. Any monitoring (including groundwater, surface water, soil or plant tissue analyses) deemed necessary by
the Division to insure surface and ground water protection will be established and an acceptable sampling
reporting schedule shall be followed.
2. Adequate records shall be maintained by the Permittee tracking the amount of wastewater disposed. These
records shall include, but are not necessarily limited to, the following information:
a. date of irrigation,
b. volume of wastewater irrigated,
c. field irrigated,
d. length of time field is irrigated,
e. continuous weekly, monthly, and year-to-date hydraulic (inches/acre) loadings for each field,
f. weather conditions (including wind direction and approximate speed), and
g. maintenance of cover crops.
3. Influent flow shall be continuously monitored and daily average flow values shall be reported on Form
NDMR. Flow may be estimated from water use records provided water use is metered. Daily average
values shall be calculated by dividing monthly flow volume by the number of days in the month.
4. The effluent from the subject facilities shall be monitored by the Permittee at the point prior to irrigation
every July and November for the following parameters:
B OD5 TSS
Nitrate as N pH
NH3 as N TKN
PAN (by calculation)
5. Three (3) copies of all operation and disposal records (as specified in condition III 2) on Form NDAR-1
and three (3) copies of all influent and effluent monitoring data (as specified in condition III 3 and III 4)
on Form NDMR-1 shall be submitted on or before the last day of the following month. All information
shall be submitted 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
6. A representative annual soils analysis (Standard Soil Fertility Analysis) shall be conducted on each spray
field and the results maintained on file by the Pertnittee for a minimum of five years. The Standard Soil
Fertility Analysis shall include, but is not necessarily limited to, the following parameters:
Acidity Manganese Potassium
Calcium Percent Humic Matter Sodium
Copper pH Zinc
Magnesium Exchangeable Sodium Percentage Phosphorus
Cation Exchange Capacity Base Saturation (by calculation)
4
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 at the wastewater treatment facility which results in the treatment of significant
amounts of wastes which are abnormal in quantity or characteristic, such as the dumping of the
contents of a sludge digester; the known passage of a slug of hazardous substance through the facility;
or any other unusual circumstances.
b. Any process unit failure, due to known or unknown reasons, that render the facility incapable of
adequate wastewater treatment such as mechanical or electrical failures of pumps, aerators,
compressors, etc.
c. Any failure of a pumping station, sewer line, or treatment facility resulting in a by-pass directly to
. receiving waters without treatment of all or any portion of the influent to such station or facility.
d. Any time that self monitoring information indicates that the facility has gone out of compliance with
its permit limitations.
Persons reporting such occurrences by telephone shall also file a written report in letter form within five
(5) 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
I. Within 90 days of permit issuance, five (5) monitor wells, MW-I, MW-2, MW-3, MW-4, and MW-5 sha'
be installed to monitor groundwater duality. The well(s) shall be constructed such that the water level in
the well is never above or below the screened (open) portion of the well at any time during the year. The
general location and name for each well is marked on Figure 2. Each monitoring well shall be located at
the review boundary, constructed in accordance with this permit, and approved by the Winston-Salem
Regional Office.
2. All wells that are constructed for purposes of groundwater monitoring shall be constructed in accordance
with 15A NCAC 2C .0108 (Standards of Construction for Wells Other than Water Supply) and any other
state and local laws and regulations pertaining to well construction.
3. The Winston-Salem Office, telephone number: 336-771-4600, shall be notified at Ieast forty-eight (48)
hours prior to the construction of any monitoring well so that an inspection can be made of the monitoring
well location. Such notification to the regional groundwater 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.
4. Monitor wells MW-I, MW-2, MW-3, MW4„ and MW-5 shall be sampled initially after construction
(and prior to waste disposal operations) and thereafter every July and November for the following
parameters:
Nitrates as N Ammonia as N
pH Water Level
Fecal Coliform TOC
TDS Conductivity
Chloride
The measurement of water levels must be made prior to sampling for the remaining parameters. The depth
to water in each well shall be measured from the surveyed point on the top of the casing. The measurinnz.
points (top of well casing) of all monitoring wells shall be surveyed to provide the relative elevation of the
measuring point for each monitoring well.
If TOC concentrations greater than 10 mg/1 are detected in any down -gradient monitoring well, additional
sampling and analysis must be conducted to identify the individual constituents comprising this TOC
concentration. If the TOC concentration as measured in the background monitor well exceeds 10 mg/l,
this concentration will be taken to represent the naturally occurring TOC concentration. Any exceedances
of this naturally occurring TOC concentration in the down -gradient wells shall be subject to the additional
sampling and analysis as described above.
The results of the sampling and analysis must be received on Form GW-59 (Groundwater Quality
Monitoring: Compliance Report Form) by the Groundwater Section, Permits and Compliance Unit, 1636
Mail Service Center, Raleigh, N.C. 27699-1636 on or before the last working day of the month following
the sampling month.
5. Results of monitoring required by the Division of Environmental Health, Public Water Supply Section, for
the existing water supply well located 100 ft NE from "field I", shall be submitted with other monitoring
data required by this section (i.e. -- Condition IVA,).
6. The Winston-Salem Office, telephone number: 336-771-4600, shall be notified at least forty-eight (48)
hours prior to the construction of any monitoring well so that an inspection can be made of the monitoring
well location. Such notification to the regional groundwater 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.
7. Within sixty (60) days of completion of all monitoring wells, the permittee shall submit two original
copies of a scaled topographic map (scale no greater than 1":100') signed and sealed by a professional
engineer or a state licensed land surveyor that indicates all of the following information:
A. The location and identity of each monitoring well,
B. The location of all components of the waste disposal system,
C. The location of all property boundaries,
D. The latitude and longitude of the established horizontal control monument,
E. The relative elevation of the top of the well casing (which shall be known as the
"measuring point"), and
F. The depth of water below the measuring point at the time the measuring point is
established.
This survey shall be conducted using approved practices outlined in North Carolina General Statutes
Chapter 89C and the North Carolina Administrative Code Title 21, Chapter 56. The surveyor shall
establish a horizontal control monument on the property of the waste disposal system and determine the
latitude and longitude of this horizontal control monument to a horizontal positional accuracy of +/-10
feet. All other features listed in a. through e. above shall be surveyed relative to this horizontal control
monument. The positional accuracy of features listed in a. through e. above shall have a ratio of precision
not to exceed an error of closure of 1 foot per 10,000 feet of perimeter of the survey. Any features located
by the radial method will be located from a minirbum of two points. Horizontal control monuments shall
be installed in such a manner and made of such materials that the monument will not be destroyed due to
activities that may take place on the property. The map shall also be surveyed using the North American
Datum of 1983 coordinate system and shall indicate the datum on the map. All bearings or azimuths shall
be based on either the true or NAD 83 grid meridian. If a Global Positioning System (GPS) is used to
determine the latitude and longitude of the horizontal control monument, a GPS receiver that has the
capability to perform differential GPS shall be used and all data collected by the GPS receiver will be
differentially corrected.
The maps and any supporting documentation shall be sent to the Groundwater Section, NC Division of
Water Quality, 1636 Mail Service Center, Raleigh, NC, 27699-1636.
8. According to 15A NCAC 214.0219(f), the lagoon shall have a liner of natural material at least one foot in
thickness, compacted to 95% proctor standard dry density and installed and compacted in layers no thicker
than six inches, with a hydraulic conductivity of no greater than 1 x 1 V cm/sec, or a synthetic liner of
sufficient thickness to exhibit structural integrity and an effective hydraulic conductivity not greater than 1
x 10-6 cm/sec. Following installation and inspection of the lagoon liner, and prior to waste disposal
operations, verification of the liner's compliance with hydraulic conductivity and thickness specifications
must be provided to the Division of Water Quality, Groundwater Section by the project engineer.
9. The interior surfaces of the lagoon shall be completely lined with a 20-mil thick liner. Following
installation and inspection of the lagoon liner, and prior to waste disposal operations, certification of the
liner's compliance with approved construction specifications and the liner's integrity must be provided to
the Division of Water Quality, Groundwater Section by the project engineer.
10. During the construction of the lagoon, if groundwater is encountered, an underlying system shall be
installed in such a manner as to prevent groundwater from entering the lagoon or rise within two (2) feet
of the bottom of the liner. The outlets of this system shall allow free movement of collected water away
from the lagoon bottom.
11. No application of waste activities shall be undertaken when the mean high seasonal water table is less than
three feet below land surface.
12. Any additional groundwater quality monitoring, as deemed necessary by the Division, shall be provided.
13. The COMPLIANCE BOUNDARY for the disposal system is specified by regulations in 15A NCAC 2L,
Groundwater Classifications and Standards. The Compliance Boundary for the disposal system
individually permitted after December 31, 1983 is established at either (1) 250 feet from the waste
disposal area, or (2) 50 feet within the property boundary, whichever is closest to the waste disposal area.
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 General Statute 14.1
215.6A(a)(1).
14. In accordance with 15A NCAC 2L, a REVIEW BOUNDARY is established around the disposal systems
midway between the Compliance Boundary and the perimeter of the waste disposal area. Any exceedance
of standards at the Review Boundary shall require remediation action on the part of the permittee.
V. INSPECTIONS
1. Adequate inspection, maintenance, and cleaning shall be provided by the Permittee to insure proper
operation of the subject facilities.
2. The Permittee or his designee shall inspect the wastewater treatment and disposal facilities to prevent
malfunctions and deterioration, operator errors and discharges which may cause or lead to the release of
wastes to the environment, a threat to human health, or a nuisance. The Permittee shall keep an inspection
log or summary including at Ieast the date and time of inspection, observations made, and any
maintenance, repairs, or corrective actions taken by the Permittee. This log of inspections shall be
maintained by the Permittee for a period of three years from the date of the inspection and shall be made
available upon request to the Division or other permitting authority.
3. 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 disposal site or facility at
any reasonable time for the purpose of determining compliance with this permit; may inspect or copy any
records that must be maintained under the terms and conditions of this permit, and may obtain samples of
groundwater, surface water, or leachate.
7
VI. GENERAL CONDITIONS
This permit shall become voidable unless the facilities are constructed in accordance with the conditions of
this permit, the approved plans and specifications, and other supporting data.
2. This permit is effective only with respect to the nature and volume of wastes described in the application
and other supporting data.
3. This permit is not transferable. In the event there is a desire for the facilities to change ownership, or there
is a name change of the Permittee, a formal permit request must be subznkitted to the Division accompanied
by an application fee, documentation from the parties involved, and other supporting materials as may be
appropriate. The approval of this request will be considered on its merits and may or may not be
approved.
4. 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 Statute 143-215.6A to 143-
215.6C.
5. The issuance of this permit does not exempt 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, including but not limited to North Carolina General Statute 143-153 and
applicable river buffer rules in 15A NCAC 2B .0200, erosion and sedimentation control requirements in
15A NCAC Ch. 4 and under the Division's General Permit NCG0100000, and any requirements
pertaining to wetlands under 15A NCAC 2B .0200 and 2H .0500.
6. A set of approved plans and specifications for the subject project must be retained by the Permittee for the
life of the project.
7. The annual administering and compliance fee must be paid by the Perrnittee within thirty (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 15A NCAC 2H .0205 (c)(4).
The Permittee, at least six (6) months prior to the expiration of this permit, shall request its extension.
Upon receipt of the request, the Commission will review the adequacy of the facilities described therein,
and if warranted, will extend the permit for such period of time and under such conditions and limitations
as it may deem appropriate.
Permit issued this the 19th day of December, 2001
NORTH CAROLINA ENVIRONMENTAL MANAGEMENT COMMISSION
Gregory, . TPh.D., Acting Director
Divisio of W er Quality
By Authority of the Environmental Management Commission
Permit Number WQ001.9123
Permit No. WQOO19123
December 19, 2001
ENGINEER'S CERTIFICATION
Partial Final
1, , 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,
Project Name
Location and County
for the 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
Registration No.
9
0,F
P
.M
VNVI
v
lie
MCI,
V "I'V-
7.1
J"I
ILI,
44
Z9
la
A
"0
X/
Nlli
'k 11-7
Hurseys Meat Center
2174 Hwy. 87 North
Elon College, N.C. 27244
Spray Irrigation System f f —
Permit No. WQ001912 3
Alamance County
dl
kJO, tj
i Ossipee Topo. C-20-NE
t
to K r
i 950 ft Saile. I . 241000 Detail: 13-0 Datum: WGS84
WATER POLLUTION CONTROL SYSTEM OPERATORS
CERTIFICATION COMMISSION
CLASSIFICATION
RATING SHEET FOR WATER POLLUTION CONTROL SYSTEMS
FACILITY INFORMATION:
NAME OF FACILITY: V�e
MAU-ING ADDRESS: � y
COUNTY:
CONTACT PERSON: TELEPHONE:
PERMIT NO:�Check One: NC WQ HEALTH DP
ORC: ,\ex"',\\ TELEPHONE:
RATING INFORMATION: (Before completing this section, pleas refer to pages 2-4)
PERMITTED FLOW:
CHECK CLASSIFICATION: WASTEWATER: I
COLLECTION: I
SPRAY IRRIGATION / SUBSURFACE
PHYSICAL/CHEMICAL GRADE I
BNR? YES NO
2 3 4
2 3 4
LAND APPLICATION
GRADE II
RATED BY: GION: w� DATE:
REGIONAL OFFICE TELEPHONE NUMBER: EXT:
KEN
677.
677.0
R4ft
' Q b
i
i R. A{ _ _ ! MW-1 AHVRSEY NEAT CENTER
.
J o MW-5
}i \ DD ER
ANIMAL WASTE LAGOON
i
ad T!S O MW-4
3•+ �3
4Sk
r
O BUILDING
Figure 2
Hursey's Meat Center —_ , �\ ,• - -•,�
.� � Spray Irrigation
AlanlanCe Count -...--
WQ0019123 / GW00199
Site Detail Map NOTE: SPRA,
SPRAY MD 1 - 2GO AC TDTA�
SPRAY FR ID 1 - 2.4a AC USED
AY-4CDk
EACSVICINITY AND TOPOGRAPHIC MAP SPRAY FIELD 2ZU
6.17 AC TOTAL
SCALE. 1 "=400' 4.Ba AC USED
NC HIGHWAY 87
U ••»•• --, r600' BUFFER t�
Ioo.
_$PAIR AREA Ilk�-
i� tie. r --
o MW-5
SEPTIC TANK
DOMESTIC WASTE ONLY
FINI 1ED f OIL
r CLCAiVOUT
D EV. = 1.5
ANIMAL
--APrA
SCALE: 1 "=60'
[IT, n0-1
P
CLEANOl1g�
50.00 UFFER
ELEV.=
IMPACT SPRINKLER LAYOUT
' �� SCALE: 1 "=200'
17
no
a
C/C
ILLD 2
w
�U V
z
c�
LLL- 0
W `C U
Ld
L X
?_ _
HftJ
HRJ
nK! m fY
12lJ
anti r
1 R 2
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 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: VYXII
(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_Appl_ication_of Residuals Systems:
Systems permitted and dedicated for land application of residuals that are produced by a
water pollution control system or contaminated soils.
CIassification 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 11 Physical/Chemical: Any water pollution control system that utilizes a primarily
chemical process to treat wastewater. This classification includes reverse osmosis,
electrodiaiysis, and ultrafiltration systems. **
** Any water pollution control system that utilizes a phyicallchemical 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 treatmentprocess 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 mean 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 System - shall mean a system which utilizes solutions and semipernable
membranes to separate and treat wastewater.
Ultrafiltration 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.