HomeMy WebLinkAboutWQ0029475_Final Permit_20100714NCDENR
North Carolina Department of tEnvironment and Natural Resources
Beverly Eaves Perdue
Governor
THOMAS J. ROBERTS — PRESIDENT
AQUA NORTH CAROLINA, INC.
202 MAcKENAN COURT
CARY, NORTH CAROLINA 27511
Dear Mr. Roberts:
Division of Water Quality
Coleen H, Sullins
Director
July 14, 2010
Dee Freeman
Secretary
Subject: Permit No. WQ0029475
Sterling Farms WWTF
Wastewater Irrigation System
Onslow County
In accordance with your permit minor modification request received May 27, 2010, we are
forwarding herewith Permit No. WQ0029475 dated July 14, 2010, to Aqua North Carolina, Inc. for the
continued operation of the subject wastewater treatment and Phase I wastewater irrigation facilities, and
the construction and operation of the subject Phase lI wastewater irrigation facilities.
The following modifications to the subject permit are as follows: inclusion of a flow reduction
request submitted December 4, 2009 and approved February 4, 2010 to reduce the flow to 86 gallons per
day per bedroom (GPDBR) with a minimum of 172 GPD/BR for 1 and 2 bedroom residences, as well as'
several permit corrections as noted below.
This permit shall be effective from the date of issuance until March 31, 2014, shall void Permit
No. WQ0029475 issued May 12, 2008, and shall be subject to the conditions and limitations as specified
therein. Please pay particular attention to the monitoring requirements listed in Attachments A, B and C
for they may differ from the previous permit issuance. Failure to establish an adequate system for
collecting and maintaining the required operational information shall result in future compliance
problems.
Please note the following permit conditions have been removed since the last permit
issuance (Note all cited conditions are from the permit dated May 12, 2008):
➢ Condition 11.9. — This condition was removed because it incorrectly described the location of
the review boundary as midway between the compliance and wetted area boundaries, when in
fact the review boundary is established at the property boundary as described in old
Condition 11.6. and new Condition H.8.
➢ Condition IV.10. —This condition was removed because monitoring wells MW-1, MW 2 and
MW-3 have been constructed and are actively sampled.
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Mr. Thomas J. Roberts
July 14, 2010
Page 2 of 4
Please note the following permit description, permit expiration date, permit conditions, and
attachments have been modified / corrected since the last permit issuance:
➢ Permit Description — The permit description has been modified to state that the wastewater
treatment plant and Phase I irrigation facilities are for continued operation, and that the Phase
11 wastewater irrigation facilities are for construction and operation. In addition, the permit
description has been amended to clearly state that the wastewater treatment plant is rated for
the permit limiting 186,000 GPD, and that Phase I has an irrigation disposal capacity of
135,339 GPD and Phase 11 has an irrigation disposal capacity of 50,943 GPD, resulting in a
cumulative disposal capacity upon build -out of 186,282 GPD.
➢ Permit Expiration Date — The expiration date has been extended from March 31, 2011 to
March 31, 2014 due to Session Law 2009-406 - An Act to Extend Certain Government
Approvals Affecting the Development of Real Property within the State. For more
information, please visit: http:li ortal.nedenr.ora/web/wgia»s/lau#Extension.
v Condition HA. (Old Condition Ik.4.) — This condition has been modified to read that the
required scaled site maps be submitted within 60 days of this permit issuance. The previous
condition version required that this map be submitted within 60 days of monitoring well
construction, however, review of the Division's central files shows that this map has not been
submitted as required.
➢ Condition 11.5. (Old Condition I.S.) — This condition has been modified to read that the
Permittee provide verification that a waste level gauge has been installed in the wet weather
storage pond within 60 days of this permit issuance. The previous condition version required
that this verification be submitted within 60 days of the previous permit issuance or prior to
operation, however, review of the Division's central files shows that this verification has not
been submitted as required.
➢ Condition 111.6. (Old Condition 111.7.) — This condition has been modified to state that the
irrigation equipment shall be tested and calibrated at least once per permit cycle. The
previous permit required this be done at least once per year.
➢ Attachment A — This attachment has been modified as follows:
o PPI 001 — This PPI is now for the Phase I irrigation system that is limited to a flow rate of
135,000 GPD, and shall be effective until operation of the Phase 1I irrigation system. In
addition, the monitoring frequencies for 5-day Biochemical Oxygen Demand, Ammonia,
Fecal Coliforms, Nitrate and Total Suspended Solids have been reduced from two times
per week (2 x Week) to two times per month (2 x Month) in accordance with the Division
of Water Quality's Aquifer Protection Section Domestic Wastewater Monitoring Policy.
Please also note the requirement to monitor for Settleable Solids and Total Organic
Carbon has been removed.
o PPI 002 — This is a new PPI for both Phases I and H and limits the permitted flow rate to
186,000 GPD based upon the rated treatment plant capacity. All monitoring parameters
and frequencies are the same as PPI 001, and this PPI shall replace PPI 001 upon
construction and operation of the Phase 11 irrigation system.
Mr`. Thomas J. Roberts
July 14, 2010
Page 3 of 4'
o PPI 003 — No content changes have been made to this PPI except that it has been
renamed from PPI 002 in the old permit to PPI 003 in this permit.
➢ Attachment B — This attachment has been modified as follows:
o The field numbers have been footnoted to show which fields are part of Phases I and II,
respectively.
o The net acreage for Fields 1 through 12 has been adjusted to their correct areas such that
the total net acreage is 51.23. It appears that when the original 12 fields were subdivided
to create the 24 total fields in a previous permit issuance, Fields 1 through 12 resulted in
incorrect areas.
o The annual irrigation loading rate has been increased from 46.92 inches per year (in/yr)
to 48.88 in/yr. Review of past permit application files revealed a calculation error on the
part of the Permittee's consulting engineer, which resulted in the incorrect annual loading
rate of 46.92 in/yr, Division recalculation determined the actual annual loading rate is
48.88 in/yr, which is less than the Permittee's soil scientist recommended loading rate of
49.92 in/yr, and therefore allows the facility to irrigate 186,00 GPD (based upon
treatment plant capacity) upon Phase I and H build -out.
Please note the following permit conditions are new since the East permit issuance:
➢ Condition 1.1. —This condition requires that this permit be modified if the Permittee proposes
to enter into an agreement to accept wastewater effluent from Morton Elementary.
➢ Condition 11.11. — This condition requires any landowner who owns land within the
compliance boundary, but who is not the Permittee, to execute and file with the County
Register of Deeds an easement with the requirements listed in the said Condition. Please note
the previous permit was subject to this requirement under 15A NCAC 02L .0107(f),
therefore, this condition is intended to voice this rule.
➢ Condition IV.8. -- This condition is included to voice the requirements of General Statute
143-215.1C., which requires the Permittee to provide to its users and the Division of Water
Quality an annual report summarizing the performance of the wastewater treatment and
irrigation facility and the extent to which the facility has violated this permit, or federal or
State laws, regulations, or rules related to the protection of water quality. The report shall be
prepared on either a calendar or fiscal year basis and shall be provided no later than 60 days
after the end of the calendar or fiscal year.
➢ Condition IV.9. — This condition requires that the Permittee keep a record of all residuals
removed from the facility.
➢ Condition IV.10. —This condition requires that the Permittee, keep a maintenance log for the
MBR wastewater treatment
system.
Mr. Thomas I. Roberts
3uly 14, 2010
Page 4 of 4
➢ Condition IV.13. — This condition requires that the Permittee conduct an annual soils analysis
for each irrigation site listed in Attachment B.
➢ Condition VIA. — This condition grants the Permittee a flow reduction at the approved rate of
86 GPD/BR with a minimum of 172 GPD per 1 and 2 bedroom residences. This condition
also requires the Permittee to perform a 12-month flow evaluation just prior to the permit
renewal submittal.
➢ Condition VI.S. — This condition requires that the Permittee retain the written flow reduction
approval from the Division for the life of the facility and shall transfer this approval to any
future Permittee.
➢ Condition VI.10. — This condition notes that this permit is subject to revocation or unilateral
modification within 60 days notice from the Division if the terms in 15A NCAC 02T .0110
are violated.
➢ Condition. VI.11. —This condition notes that this facilities in this permit may not be expanded
if the Permittee exemplifies any of the criteria in 15A NCAC 02T .0120(b).
If any parts, requirements or limitations contained in this permit are unacceptable, the Permittee
has the right to request an adjudicatory hearing upon written request within 30 days following receipt of
this permit. This request shall be in the form of a written petition, conforming to Chapter 150B of the
North Carolina General Statutes, and filed with the Office of Administrative Hearings at 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, please contact Nathaniel Thornburg at
(919) 715-6160 or nathaniel.thornbur cvncdenrgov.
Sincerely,
�-
�orColee 1. Sullins
cc: Onslow County Health Department
Wilmington Regional Office, Aquifer Protection Section
Permit File WQ0029475
Notebook File WQ0029475
NORTH CAROLINA
ENVIRONMENTAL MANAGEMENT COMMISSION
DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES
RALEIGH
WASTEWATER 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
Aqua North Carolina, Inc.
Onslow County
FOR THE
operation of a 196,000 gallon per day (GPD) wastewater treatment and irrigation facility consisting of:
continued operation of a 186,000 GPD rated wastewater treatment facility consisting of: two Contec fine
screens and bagger units with 2 millimeter (mm) spacings; a 67,000 gallon aerated flow equalization
basin with coarse air diffusers and two 770 gallon per minute (GPM) pumps rated at 20 feet of total
dynamic head (TDH); a flow splitter box; an influent flow meter; two 23,250 gallon anoxic basins each
with a submersible mixer; two 31,645 gallon aeration basins each with fine air diffusers, a 770 GPM
transfer pump rated at 21 feet of TDH and a 770 GPM denitrification pump rated at 21 feet of TDH; two
membrane tanks each with two membrane cassettes served by two permeate / back -pulse pumps; a 72,000
gallon aerated sludge holding basin with coarse air diffusers, a sludge feed flow meter and an air lift
decant line; a menthol storage tank and two chemical feed pumps; a Sodium Hydroxide (NaOH) storage
and chemical feed system; a pH monitoring system; an effluent flow meter; dual ultraviolet (UV)
disinfection units each with two lamps; a turbidimeter; a 300 kilowatt (KW) auxiliary generator, two 350
cubic feet per minute (CFM) blowers serving the flow equalization basin and sludge holding basin; two
645 CFM blowcrs serving the aeration basins; two 449 CFM blowers serving the membrane cassettes; a
12.4 million gallon (MG) storage pond with a 530 GPM irrigation pump; a sub -drain, within the wetted
area; and all associated piping, valves and appurtenances; the
continued operation of the 135,339 GPD rated Phase I irrigation system consisting of 17 irrigation zones
(i.e., Fields 4 through 8, and Fields 13 through 24) having a total wetted area of 37.22 acres; and all
associated piping, valves and appurtenances; and the
construction and operation of the 50,943 GPD rated Phase II irrigation system consisting of: seven
irrigation zones (i.e., Fields 1 through 3, and Fields 9 through 12) having a total wetted area of 14.01
acres resulting in a cumulative Phase I and II wetted area of 51.23 acres and disposal capacity of 186,282
GPD, which shall be constructed when the Sterling Farms WWTF effluent flow (Attachment A — PPI
001) reaches 80% of 13 5, 000 GPD; and all associated piping, valves and appurtenances;
to serve the Sterling Farms WWTF, with no discharge of wastes to surface waters, pursuant to the
application received May 27, 2010, 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 March 31, 2014, shall void Permit No.
WQ0029475 issued May 12, 2008, and shall be subject to the following specified conditions and
limitations:
WQ0029475 Version 1.4 Shell Version 100209 Page 1 of 12
I. SCHEDULES
1. If at any time the Permittee decides to enter an agreement to accept wastewater effluent from Morton
Elementary, the Permittee shall submit a permit modification package to the Division requesting
permission to add the Morton Elementary effluent source, as well as include a copy of the proposed
agreement.
2. In accordance with 15A NCAC 02T .0116, upon completion of construction and prior to operation of
Phase II of this permitted facility, a certification (attached) shall be submitted from a licensed North
Carolina Professional Engineer certifying that the permitted facility has been installed in accordance
with this permit, Division approved plans and specifications, and other supporting documentation,
including the location of all monitoring wells as applicable. If this project is to be completed in
phases and partially certified the Permittee shall retain the responsibilityre§ponsibility to track further construction
approved under the same permit, and shall provide a final certificate of com letion once the entire
project has been completed. Mail the Certification to the Division of Water Quality, Aquifer
Protection Section, 1636 Mail Service Center, Raleigh, NC 27699-1636.
3. The Wilmington Regional Office, telephone number (910) 796-7215, shall be notified at least 48
hours in advance (excluding weekends and holidays) of operation of the installed Phase H facilities
such that an in -place inspection can be made. Notification to the Aquifer Protections Section's
regional supervisor shall be made from 8:00 a.m, until 5:00 p.m. on Monday through Friday,
excluding State Holidays.
4. Within 60 days of permit issuance, the Permittee shall submit two original copies of a site map with a
scale no greater than I -inch equals 100 feet; however, special provisions may be granted upon prior
approval for large properties. At a minimum, the map shall include the following information:
a. The location and identity of each monitoring well.
b. The location of major components of the waste disposal system.
c. The location of property boundaries within 500 feet of the disposal areas.
d. The latitude and longitude of the established horizontal control monument.
e. The elevation of the top of the well casing (i.e., measuring point) relative to a common datum.
f. The depth of water below the measuring point at the time the measuring point is established.
g. The location of compliance and review boundaries.
h. The date the map is prepared and/or revised.
Control monuments shall be installed in such a manner and made of such materials that the
monument will not be destroyed due to activities taking place on the property. The map and any
supporting documentation shall be sent to the Division of Water Quality, Aquifer Protection Section,
1636 Mail Service Center, Raleigh, NC 27699-1636.
5. A gauge to monitor waste levels in the wet weather storage pond shall be installed within 60 days of
permit issuance. Caution shall be taken not to damage the integrity of the liner (if present) when
installing the gauge.
6. No later than six, months prior to the expiration of this permit, the Permittee shall request renewal of
this permit on official Division forms. Upon receipt of the request, the Division will review the
adequacy of the facilities described therein, and if warranted, will renew the permit for such period of
time and under such conditions and limitations as it may deem appropriate. Please note Rule 15A
NCAC 02T .0105(d) requires an updated site map to be submitted with the permit renewal
application.
7. In accordance with 15A NCAC 02H .0404(e), if the subject wastewater treatment or disposal
facilities are in noncompliance with the terms and conditions of this permit, governing statutes or
regulations, the subject facilities shall be connected to an operational publicly owned wastewater
collection system within 180 days of its availability. Prior to the initiation of these connection
activities, appropriate Division approval shall be received.
WQ0029475 Version 1.4 Shell Version 100209 - Page 2 of 12
II. PERFORMANCE STANDARDS
1. The subject non -discharge facilities shall be effectively maintained and operated at all times so there
is no discharge to surface waters, nor any contravention of groundwater or surface water standards.
In the event the facilities fail to perform satisfactorily, including the creation of nuisance conditions
due to improper operation and maintenance, or failure of the irrigation areas to adequately assimilate
the effluent, the Permittee shall take immediate corrective actions including Division required actions,
such as the construction of additional or replacement wastewater treatment or disposal facilities.
2. This permit shall not relieve the Permittee of their responsibility for damages to groundwater or
surface water resulting from the operation of this facility.
I All wells constructed for purposes of groundwater monitoring shall be constructed in accordance with
15A NCAC 02C .0108 (Standards of Construction for Wells Other than Water Supply), and any other
jurisdictional laws and regulations pertaining to well construction,
4. Effluent limitations shall not exceed those specified in Attachment A.
5. Application rates, whether hydraulic, nutrient or other pollutant, shall not exceed those specified in
Attachment B.
6. The irrigation system shall be connected to a rain or moisture sensor, which shall indicate when
effluent application is not appropriate in accordance with Conditions M.4. and 111.5. of this permit.
7. A usable green area shall be maintained for effluent disposal. The green area shall have the capability
of accommodating the facility's average daily flow without exceeding the green area loading rates.
As defined in 15A NCAC 02H .0404(g)(7), a "green area" is an area suitable for waste disposal,
either in its natural state or which has been modified by planting a vegetative cover of grasses or low
growing shrubbery.
The compliance and review boundaries are established at the property boundary. Any exceedance of
standards at the compliance or'review boundary shall require action in accordance with 15A NCAC
02L .0106.
9. The Permittee shall apply for a permit modification to establish a new compliance boundary prior to
any sale or transfer of property affecting a compliance boundary,
10. In accordance with 15A NCAC 02L .0107(d), no wells, excluding Division approved monitoring
wells, shall be constructed within the compliance boundary except as provided for in 15A NCAC 02L
.0107(g).
11. Except as provided for in 15A NCAC 02L .0107(g), the Permittee shall ensure any landowner who is
not the Permittee and owns land within the compliance boundary shall execute and file with the
Onslow County Register of Deeds an easement running with the land containing the following items:
a. A notice of the permit and number or other description as allowed in 15A NCAC 02L .0107(f)(1);
b. Prohibits construction and operation of water supply wells within the compliance boundary; and
c. Reserves the right of the Permittee or the State to enter the property within the compliance
boundary for purposes related to the permit.
The Director may terminate the easement when its purpose has been fulfilled or is no longer needed.
WQ0029475 Version 1.4 Shell Version 100209 Page 3 of 12
12. The facilities permitted herein shall be constructed according to the following setbacks:
a. The setbacks for reclaimed utilization sites permitted prior to September 1, 2006 shall be as
follows (all distances in feet):
i. Surface waters not classified SA:
ii. Surface waters classified SA:
iii. Any well with exception to monitoring wells:
iv. All groundwater lowering drains/ditches:
25
100
100
25
b. The setbacks for storage and treatment units permitted prior to September 1, 2006 shall be as
follows (all distances in feet):
i.. Any well with exception of monitoring wells: 100
ii. Any property line: 50
M. OPERATION AND MAINTENANCE RE UIREMENTS
1. The facilities shall be properly maintained and operated at all times. 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. The Permittee shall maintain an Operation and
Maintenance Plan pursuant to 15A NCAC 02T .0507, which at a minimum shall include operational
functions, maintenance schedules, safety measures and a spill response plan.
2. Upon the Water Pollution Control System Operators Certification Commission's (WPCSOCC)
classification of the subject non -discharge facilities, in accordance with 15A NCAC 08G .0200 the
Permittee shall designate and employ a certified operator in responsible charge (ORC) and one or
more certified operator(s) as back-up ORC(s). The ORC or their back-up shall visit the facilities in
accordance with 15A NCAC 08G .0200, and shall comply with all other conditions specified in the
previously cited rules.
3. A suitable year round vegetative cover shall be maintained at all times, such that crop health is
optimized, allows for even distribution of effluent and allows inspection of the irrigation system.
4. Adequate measures shall be taken to prevent effluent ponding in or runoff from the irrigation sites
listed in Attachment B.
5. Irrigation shall not be performed during inclement weather or when the ground is in a condition that
will cause ponding or runoff.
6. All irrigation equipment shall be tested and calibrated at least once per permit cycle. Calibration
records shall be maintained at the facility for a period of no less than five years, and shall be made
available to the Division upon request.
7. Only effluent from the Sterling Farms WWTF shall be irrigated on the sites listed in Attachment B.
8. An automatically activated standby power source capable of powering all essential treatment units
shall be on site and operational at all times. If a generator is employed as an alternate power supply,
it shall be tested weekly by interrupting the primary power source.
9. No automobiles or machinery shall be allowed on the irrigation sites except during equipment
installation or while maintenance is being performed.
10. Public access to the irrigation sites and wastewater treatment facilities shall be prohibited.
WQ0029475 Version 1.4 Shell Version 100209 Page 4 of 12
11. The residuals generated from the
accordance with 15A NCAC 02T
pursuant to 15A NCAC 02T .0508.
wastewater treatment facilities shall be disposed or utilized in
.1100. The Permittee shall maintain a residual management plan
12. Diversion or bypassing of untreated or partially treated wastewater from the treatment facilities is
prohibited.
13. Freeboard in the wet weather storage pond shall not be less than two feet at any time.
14. A gauge to monitor waste levels in the wet weather storage pond shall be provided. This gauge shall
have readily visible permanent markings indicating the following elevations: maximum liquid level at
the top of the temporary liquid storage volume; minimum liquid level at the bottom of the temporary
liquid storage volume; and the lowest point on top of the dam.
15. A protective vegetative cover shall be established and maintained on all earthen embankments (i.e.,
outside toe of embankment to maximum allowable temporary storage elevation on the inside of the
embankment), berms, pipe runs, erosion control areas, and surface water diversions. Trees, shrubs,
and other woody vegetation shall not be allowed to grow on the earthen dikes or embankments.
Earthen embankment areas shall be kept mowed or otherwise controlled and accessible.
16. Should the limit for fecal coliform (e.g., daily maximum concentration of 25 colonies per 100 MI) or
turbidity (e.g., instantaneous maximum of 10 =) be exceeded, the treatment train in exceedance
shall be taken offline, and all wastewater shall be treated in the remaining properly operating
treatment train until the problems associated with the treatment train in exceedance have been
corrected.
17. All vegetative cover grass clippings shall be removed from the irrigation sites. Grass clippings shall
be bagged, baled or using another suitable Division approved method.
IV. MONITORING AND REPORTING REQUIREMENTS
I. Any Division required monitoring (including groundwater, plant tissue, soil and surface water
analyses) necessary to ensure groundwater and surface water protection shall be established, and an
acceptable sampling reporting schedule shall be followed.
2. Per 15A NCAC 02H .0800, a Division certified laboratory shall conduct all laboratory analyses for
the required effluent, groundwater or surface water parameters.
3. Flow through the treatment facility shall be continuously monitored, and daily flow values shall be
reported on Form NDMR,
The Permittee shall install and maintain an appropriate flow measurement device to ensure the
accuracy and reliability of flow measurement consistent with accepted engineering and scientific
practices. Selected flow measurement devices shall be capable of measuring flows with a maximum
deviation of less than ten percent from true flow; accurately calibrated at a minimum of once per year;
and maintained to ensure the accuracy of measurements is consistent with the selected device's
accepted capability. The Permittee shall maintain records of flow measurement device calibration on
file for a period of at least five years. At a minimum, documentation shall include:
a. Date of flow measurement device calibration,
b. Name of person performing calibration, and
c. Percent from true flow.
4. The Permittee shall monitor the effluent from the subject facilities at the frequencies and locations for
the parameters specified in Attachment A.
WQ0029475 Version IA Shell Version 100209 Page 5 of 12
The Permittee shall maintain adequate records tracking the amount of effluent irrigated. At a
minimum, these records shall include the following information for each irrigation site listed in
Attachment B:
a. Date of irrigation;
b. Volume of effluent irrigated;
c. Site irrigated;
d. Length of time site is irrigated;
e. Continuous weekly, monthly, and year-to-date hydraulic (inches/acre) loadings;
f Continuous monthly and year-to-date loadings for any non -hydraulic parameter specifically
limited in Attachment B;
g. Weather conditions; and
h. Maintenance of cover crops.
6. Freeboard (i.e., waste level to the lowest embankment elevation.) in the wet weather storage pond
shall be recorded weekly. Weekly freeboard records shall be maintained at the facility for a period of
no less than five years, and shall be made available to the Division upon request.
Three copies of all monitoring data (as specified in Conditions 1V.3. and IVA.) on Form NDMR for
each PPI and three copies of all operation and disposal records (as specified in Conditions IV.5 and
IV.6.) on Form NDAR-1 for every site in Attachment B shall be submitted on or before the last day of
the following month, If no activities occurred during the monitoring month, monitoring reports are
still required documenting the absence of the activity. All information shall be submitted to the
following address:
Division of Water Quality
Information Processing Unit
1617 Mail Service Center
Raleigh, North Carolina 27699-1617
8. Pursuant to § 143-215.1 C., the Permittee shall provide to its users and the Division of Water Quality
an annual report summarizing the performance of the wastewater treatment and irrigation facility and
the extent to which the facility has violated this permit, or federal or State laws, regulations, or rules
related to the protection of water quality. This report shall be prepared on either a calendar or fiscal
year basis and shall be provided no later than 60 days after the end of the calendar or fiscal year. Two
copies of the annual report provided to the Permittee's users shall be submitted to:
Division of Water Quality
Aquifer Protection Section
1636 Mail Service Center
Raleigh, North Carolina 27699-1636
9. A record shall be maintained of all residuals removed from this facility. This record shall be
maintained at the facility for a period of no less than five years, and shall be made available to the
Division upon request. At a minimum, this record shall include:
a. Name of the residuals hauler;
b. Non -Discharge permit number authorizing the residuals disposal, or a letter from a municipality
agreeing to accept the residuals;
c. Date the residuals were hauled; and
d. Volume of residuals removed.
WQ0029475 Version 1.4. Shell Version 100209 Page 6 of 12
10. A maintenance log shall be maintained at this facility. This log shall be maintained at the facility for
a period of no less than five years, and shall be made available to the Division upon request. At a
minimum, this log shall include:
a. Date and results of power interruption testing on alternate power supply;
b. Date of calibration, of flow measurement device;
c. Visual observations of the plant and plant site; and
d. Record of preventative maintenance (e.g., changing of equipment, adjustments, testing,
inspections and cleanings, etc.).
11. Monitoring wells shall be sampled after construction and within 3 months prior to initiating non -
discharge disposal operations. Monitoring wells shall be sampled thereafter at the frequencies and for
the parameters specified in Attachment C. All ma ins well construction forms well abandonment
forms and monitorimE data shall refer to the permit number and the well nomenclature as provided in
Attachment C and Figure 1.
12. Two copies of the monitoring well sampling and analysis results shall be submitted on a Compliance
Monitoring Form (GW-59), along with attached copies of laboratory analyses, on or before the last
working day of the month following the sampling month, The Compliance Monitoring Form (GW-
59) shall include this permit number, the appropriate well identification number, and one GW-59a
certification form shall be submitted with each set of sampling results. All information shall be
submitted to the following address:
Division of Water Quality
Information Processing Unit
1617 Mail Service Center
Raleigh, North Carolina 27699-1617
13. An annual representative soils analysis (i.e., Standard Soil Fertility Analysis) shall be conducted on
each irrigation site listed in Attachment B. These results shall be maintained at the facility for a
period of no less than five years, and shall be made available to the Division upon request. At a
minimum, the Standard Soil Fertility Analysis shall include the following parameters:
Acidity
Exchangeable Sodium Percentage
Phosphorus
Base Saturation (by calculation)
Magnesium
Potassium
Calcium
Manganese
Sodium
Cation Exchange Capacity
Percent Humic Matter
Zinc
Copper
pH
14. The Permittee shall maintain a log of turbidity measurements from both treatment trains. The highest
turbidity value of the two trains shall be reported in accordance with the reporting requirements listed
in Footnote #3 of Attachment A -- PPIs 001 & 002. This log shall be maintained at the facility for a
period of no less than five years, and shall be made available to the Division upon request.
15. The Permittee shall maintain a record any upset conditions or unit failure that result in the diversion
of all wastewater flow through one train. This log shall be maintained at the facility for a period of no
less than five years, and shall be made available to the Division upon request. At a minimum, this log
shall include:
a. Date and time of plant upset/flow diversion;
b. Duration of the flow diversion;
c. Cause of upset, and measures taken to prevent future recurrence; and
d. Actions taken to repair or maintain the affected equipment.
WQ0029475 Version 1.4 ShelI Version 100209 Page 7 of 12
16. Noncompliance Notification:
The Permittee shall report by telephone to the Wilmington Regional Office, telephone number (910)
796-7215, 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 facility resulting in the treatment of significant amounts of wastes that is
abnormal in quantity or characteristic, including the known passage of a hazardous substance.
b. Any process unit failure (e.g., mechanical, electrical, etc.), due to known or unknown reasons,
rendering the facility incapable of adequate wastewater treatment.
c. Any facility failure resulting in a by-pass directly to receiving surface waters.
d. Any time self -monitoring indicates the facility has gone out of compliance with its permit
limitations,
e. Ponding in or runoff from the irrigation sites.
Any emergency requiring immediate reporting (e.g., discharges to surface waters, imminent failure of
a storage structure, etc.) outside normal business hours shall be reported to the Division's Emergency
Response personnel at telephone number (800) 662-7956, (800) 858-0368, or (919) 733-3300.
Persons reporting such occurrences by telephone shall also file a written report in letter form within
five days following first knowledge of the occurrence. This report shall outline the actions taken or
proposed to be taken to ensure the problem does not recur.
V. INSPECTIONS
1. The Permittee shall provide adequate inspection and maintenance to ensure proper operation of the
wastewater treatment and disposal facilities.
2. The Permittee or their designee shall inspect the wastewater treatment and disposal facilities to
prevent malfunctions, facility deterioration and operator errors resulting in discharges, which may
cause the release of wastes to the environment, a threat to human health or a public nuisance. The
Permittee shall maintain an inspection log that includes, at a minimum, the date and time of
inspection, observations made, and any maintenance, repairs, or corrective actions taken. The
Permittee shall maintain this inspection log for a period of five years from the date of the inspection,
and this log shall be made available to the Division upon request.
3. Any duly authorized Division representative may, upon presentation of credentials, enter and inspect
any property, premises or place on or related to the wastewater treatment and disposal facilities
permitted herein at any reasonable time for the purpose of determining compliance with this permit;
may inspect or copy any records required to be maintained under the terms and conditions of this
permit, and may collect groundwater, surface water or leachate samples.
WQ0029475 Version 1A Shell Version 100209 Page 8 of 12
Vl. GENERAL CONDITIONS
Failure to comply with the conditions and limitations contained herein may subject the Permittee to
an enforcement action by the Division in accordance with North Carolina General Statutes 143-
215.6A to 143-215.6C.
2. This permit shall become voidable if the permitted facilities are not constructed in accordance with
the conditions of this permit, the Division approved plans and specifications, and other supporting
documentation.
3. This permit is effective only with respect to the nature and volume of wastes described in the permit
application, Division approved plans and specifications, and other supporting documentation. No
variances to applicable rules governing the construction or operation of the permitted facilities are
granted. unless specifically requested and approved in this permit pursuant to 15A NCAC 02T
.0105(n).
4. In accordance with I5A NCAC 02T .0114(f) and pursuant to the flow reduction request received
December 4, 2009 and approved February 4, 2010, the Division accepts the data -based design flow
rate of 86 gallons per day per bedroom (GPDBR) for the users served by this facility with a
minimum of 172 GPD for 1 and 2 bedroom residences. Regardless of the adjusted daily wastewater
design flow rate, at no time shall wastewater flows exceed the limits defined in this permit for the
subject facility, or exceed the sewer capacity downstream of any new sewer extension or service
connection(s).
The Permittee shall report the actual (i.e., measured) monthly average amount of wastewater flow
contributed per unit (GPD/BR) for the 12 months prior to permit renewal. If any of these actual
monthly averages are within 20% of the approved rate of 86 GPD/BR, the Permittee shall re-evaluate
the approved value using the methodology applied to determine the approved flow rate of 86
GPD/BR, and submit this information within 18 months of permit renewal. The Division may change
the daily wastewater design flow rate for connections to the system at that time, and upon each
renewal cycle, pending an evaluation of the submitted flow information.
In accordance with 15A NCAC 02T .0114(f)(4), the Permittee shall retain the Division's written
approval of any authorized adjusted daily design flow rate for the life of the facility, and shall transfer
said written approval to any fixture Permittee.
6. 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 jurisdictional goverment agencies
(e.g., local, state, and federal). Of particular concern to the Division are applicable river buffer rules
in 15A NCAC 02B .0200; erosion and sedimentation control requirements in 15A NCAC Chapter 4
and under the Division's General Permit NCG010000; any requirements pertaining to wetlands under
15A NCAC 02B .0200 and 02H .0500; and documentation of compliance with Article 21 Part 6 of
Chapter 143 of the General Statutes.
7. In the event the permitted facilities change ownership or the Pennittee changes their name, a formal
permit modification request shall be submitted to the Division. This request shall be made on official
Division forms, and shall include appropriate property ownership documentation and other supporting
documentation as necessary. The Permittee of record shall remain fully responsible for maintaining
and operating the facilities permitted herein until a permit is issued to the new owner.
8. The Permittee shall retain a set of Division approved plans and specifications for the life of the
facilities permitted herein.
9. The Permittee shall maintain this permit until all permitted facilities herein are properly closed or
permitted under another permit issued by the appropriate permitting authority pursuant to 15A NCAC
02T .01050).
WQ0029475 Version 1.4 Shell Version 100209 Page 9 of 12
10. This permit is subject to revocation or unilateral modification upon. 60 days notice from the Division
Director, in whole or part for the requirements listed in 15A NCAC 02T .0110.
11. Unless the Division Director grants a variance, expansion of the permitted facilities contained herein
shall not be granted if the Permittee exemplifies any of the criteria in 15A NCAC 02T .0120(b).
12. The PeTmittee shall pay the annual fee within 30 days after being billed by the Division. Failure to
pay the annual fee accordingly shall be cause for the Division to revoke this permit pursuant to 15A
NCAC 02T .0105(e)(3).
Permit issued this the 101 day of July 2010
NORTH CAROLINA ENVIRONMENTAL MANAGEMENT COMMISSION
olee . Sullins, Director
Division of Water Quality
By Authority of the Environmental Management Commission
Permit Number WQ0029475
WQ0029475 Version 1.4 Shell Version 100209 Page 10 of 12
Permit No. WQ0029475
Aqua North Carolina, Inc.
Sterling Farms WW TF
ENGINEERING CERTIFICATION
❑ Partial ❑ Final
Wastewater Irrigation
July 14, 2010
Onslow County
In accordance with 15A NCAC 02T .0116, 1,_
as a duly registered Professional Engineer in the State of North Carolina, having the Permittee's
authorization to ❑ periodically ❑ weekly ❑ fully observe the construction of the permitted facility,
hereby state to the best of my abilities that due care and diligence was used in the observation of the
construction, such that the facility was built within substantial compliance and intent of this permit, the
Division approved plans and specifications, and -other supporting documentation.
❑ Any variation to this permit, the Division approved plans and specifications, and other supporting
documentation. has been documented in the attached as -built drawings, and shall serve as the
Permittee's minor modification request to amend the permit accordingly.
Provide a brief narrative description of any variations:
Professional Engineer's Name
Engineering Firm
Mailing Address
City
Telephone E-mail
State Zip
NC PE Seal, Signature 8 Date
THE COMPLETED ENGINEERING CERTIFICATION, INCLUDING ALL SUPPORTING
INFORMATION AND MATERIALS, SHALL BE SENT TO THE FOLLOWING ADDRESS:
NORTH CAROLINA DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES
DIVISION OF WATER QUALITY
AQUIFER PROTECTION SECTION
LAND APPLICATION UNIT
By U.S, Postal Service: By Courier/Special Delivery;
1636 MAIL SERVICE CENTER 2728 CAPITAL BOULEVARD
RA.LEIGH, NORTH CAROLINA 27699-1636 RALEIGH, NORTH CAROLINA 27604
WQ0029475 Version 1.4 ShelI Version 100209 Page 11 of 12
THIS PAGE BLANK
WQ0029475 Version 1.4 Shell Version 100209 Page 12 of 12
ATTACHMENT A _ LIMITATIONS AND MONITORING REQUIREMENTS
PPI 001 — Please I WWTF Effluent (Effective until completion and operation of Please 11)
Permit Number: WQ0029475 Version: 1.4 ,
EFFLUENT CHARACTERISTICS
EFFLUENT LIMITS
MONITORING
REQUIREMENTS
Parameter Description - PCS Code
Monthly Average
MeanMonthly Geometric
Daily Minimum
Daily Maximum
Mensurement
Frequency
Sample
Type
BOO, 5-Day (20 Deg. C) — 00310
10
mg/1
15
mgll
2 x Month
Composite
Chloride (as (1)-00940
3 x Year `
Composite
Colilbrm, Fecal ME M-FC Broth. 44.5 C — 31616
14
tl/100 ml
25
4/100 m]
2 x Month z
Grab
Flow, in conduit or thru treatment plant — 50050
135,000
6PD
Continuous
Recorder
Nitrogen, Ammonia Total (as N) — 00610
4
mg/1
6
mg/l
2 x Month
Composite
Nitrogen, Nitrate Total (as N)--00620
2 r Month
Composite
pl1 — 00400
6.0
S.U.
9.0
s.u.
5 x Week
Grab
Solids. Total Dissolved — 70295
3 x Year'
Composite
Solids. Total Suspended — 00530
5
nngll
t0
mg/1
2 x Month
Composite
Turbidity, HOI Turbidimeter-00076
10
ntu
Continuous 3
Recorder
1, 3 x Year sampling shall be conducted during March. July and November.
2. Monthly average for Fecal Coliform shall be a geometric mean.
3_ The highest turbidity value of the two treatment trains shall be reported.
WQ0029475 Version 1.4 Attachment A Page 1 of
PPI 002 — Phases I & II WWTF Effluent (Effective upon completion and operation of Phase II)
EFFLUENT CIIARACTERISTICS
EFFLUENT LIMITS
MONITORING
REQUIREMENTS
Parameter Description -PCS Code
Monthly Average
Mean Monthly Geometric
Andy Minimum
Daily Maximum
Measurement
Frequency
Sample
'hype
BOD, 5-Day (20 Deg. C) — 00310
10
mg/l
15
mg/1
2 x Month
Composite
Chloride (as Cl) —00940
3 x Year
Composite
Coliform, Fecal MF, M-FC Broth, 44.5 C-31616
14
41100 ml
25
#/100 fill
2 x Month a
Crab
Flow, in conduit or thru treatment plant — 50050
186,000
GPD
Continuous
Recorder
Nitrogen, Ammonia Total (as N) -- 00610
4
mgh
6
Ing/l
2 x Month
Composite
Nitrogen, Nitrate Total (as N) — 00620
2 x Month
Composite
pll — 00400
6.0
S.U.
9.0
S.U.
5 x Week
Grab
Solids, Total Dissolved --70295
3 x Year'
Composite
Solids. Total Suspended — 00530
5
Mg/l
10
mg/1
2 x Month
Composite
Turbidity, ITCH Turbidimeter --- 00076
10
ntu
Continuous 3
Recorder
1. 3 x Year sampling shall be conducted during March, July and November.
2. Monthly average for Fecal Coliform sli all be a geometric mean..
3. The highest turbidity, value of the two treatment trains shall be reported.
PPI 003 — Groundwater Lowering Effluent
MONITORING
EFFLUENT CHARACTERISTICS
EFFLUENT LIMITS
REQUIREMENTS
Parameter Description -PCS Code
Monthly Average
Month
Monthly Geometric
Mean
Daily Minimum
Daily Maximum
Measurement
Frequency
Sample
Type
Coliform. Fecal MF, M-FC Broth, 44.5 C — 31616
Monthly
Grab
Nitrogen, Total (as N) — 00600
Monthly F
Grab
pi I — 00400
Monthly
Grab
I. Monthly average for Fecal Coliform shall be a geometric mean.
WQ002947- n-sion 1.4 Attachment A 2 of 2
ATTACHMENT B - APPROVED LAND APPLICATION SITES AND LIMITATIONS
Aqua North Carolina, Inc. - Sterling Farms WWTF
Permit Number: WQ0029475 Version: 1.4
IRRIGATION AREA INFORMATION
APPLICATION LIMITATIONS
Field
Owner
Count y
Latitude
Longitude
g
Net
Acreage
Dominant
Soil Series
Parameter
Hourly
Rate
Pearly
Max
units
I **
Aqua North Carolina, Inc.
Onslow
2.33
!Norfolk
01284 --- Application Surface Irrigation
0-I
48.88
inches
2**
Aqua North Carolina. Inc.
Unslow
1.88
Norfolk
01284 - Application Surface Irrigation
0.1
48.88
inches
3**
Aqua North Carolina. Inc.
Onslow
2.00
Norfolk
01284 -Application Surface Irrigation
0.1
48.88
inches
4*
Aqua North Carolina, Inc.
Onslow
2.19
Norfolk
01284 - Application Surface Irrigation
0.1
48.88
inches
5*
Aqua North Carolina. Inc.
Unslow
193
Norfolk
01284 - Application Surface Irrigation
tl.1
48.88
inches
6*
Aqua North Carolina, Inc. I
Onslow
2.30
Norfolk
01284 -Application Surface Irrigation
0-1
48-88
inches
7*
Aqua North Carolina, Inc.
Onslow
2.20
Norfolk
01284 - Application Surface irrigation
0.1
48.88
inches
inches
8*
Aqua North Carolina. Inc-
Onslow
2.48
Norfolk
01284-Application Surface Irrigation
0.1
48-88
9**
Aqua North Carolina, Inc.
Ousiow
2.18
Norfolk
01284-Application Surface Irrigation
0.1
48.88
inclres
10**
Aqua North Carolina.. Inc.
Onslow
1.94
Norfolk
01284 - Application Surface Irrigation
0.1
48,88
inches
1 I **
Aqua North Carolina. Inc.
Onslow
1.85
Norlalk
01284-Application Surface irrigation
0.1
48.88
inches
12**
Agttallorth Carolina, inc.
Onslow
1.84
Norfolk
01284-Application Surface Irrigation
0.1
48,88
inches
13 *
Aqua North Carolina. Inc.
Onslow
2.91
Norfolk
01284 -Application Surface Irrigation
0.1
48-88
inches
14*
Aqua North Carolina, Inc.
Onslow
2.02
Norfolk
01284--Application Surface Irrigation
0A
48-88
inches
15*
Aqua North Carolina, Inc.
Onslow
1.78
Norfolk
01284 -Application Surface Irrigation
0.1
48.88
inches
IV
Aqua North Carolina. inc.
Onslow
1.97
Norfolk
01294--Application Surface Irrigation
0.1
49.88
inches
17*
Aqua North Carolina, Inc.
Onslow
1.76
Norfolk
0I284-Application Surface Irrigation
0.1
48.98
inches
18*
Aqua North Carolina, Inc.
Onslow
1.96
Norfolk
0 t284 - Application Surface Irrigation
0.1
48.88
inches
19*
Aqua Noah Carolina, Inc.
Onslow
I.96
Norfolk
0 € 284 - Application Surface liTigation
0.1
48.98
inches
20*
Aqua North Carolina, Inc.
Unslow
1.88
Norfolk
01284 - Application Surface Irrigation
0.1
48.98
inches
21 *
Aqua North Carolina, Inc.
OIISIOw
2.01
Norfolk
01294 -- Application Surface Irrigation
0.1
48.88
inches
22*
Aqua North Carolina, Inc.
Onslow
2.49
Norfolk
01284-Application Surface Irrigation
0.1
48.83
inches
23*
Aqua North Carolina, Inc.
Onslow
2.78
Norfolk
01284 - Application Surface Irrigation
0.1
48.88
inches
24*
Aqua North Carolina, Inc.
on -low
2.62
51.23
Noroolk
01284--Application Surface Irrigation
0.1
48,83
inches
Totals
Pliase I irrigation fields leaving a total area of 37.22 acres and a disposal capacity of 135,339 GPD.
** Phase [I irrigation fields having a total area of 14.01 acres and a disposal capacity of 50,943 GPD for a cumulative Phase I and 11 area of 51.23 acres and disposal capacity of
186,282 GPD.
WQ0029475 Version 1.4 Attachment 13 Page I oft
THIS PAGE BLANK
WQ002947_ :rsion 1.4 Utaclimeat B ge 2 of
ATTACHMENT C — GROUNDWATER MONITORING AND LIMITATIONS
Monitoring wells: MW-1, MW-2, and MW-3
Permit Nunibet: WQ0029475 Version: 1.4
GROUNDiVATER CHARACTERISTICS
GROUNDWATER. STANDARDS
MONITORING REQUIREMENTS
Parameter Description - Parameter Code
Daily Maximum
Frequency Measurement
Sample Type
Footnotes
Carbon. Tot Organic (TOC) — 00680
mg/l
3 x Year
Grab
1.6
Chloride (as Cl) —00940
250
mg/I
3 x Year
Grab
I
Coliform, Fecal MF— 31616
#/100m1
3 x Year
Grab
1
Nitrogen, Ammonia Total (as N) — 00610
mg/1
3 x Year
Grab
I
Nitrogen, Nitrate Total (as N) — 00620
10
mg/l
3 x Year
Grab
I
pH-00400
6.5-8.5
s.u.
3 x Year
Grab
1,2
Phosphorus. Total (as P) -- 00665
3 x Year
Grab
t
Solids, Total Dissolved- 180 Deg C — 70300
500
mgll
3 x Year
Grab
i
Volatile Organic Compounds (GC/MS) --- 78732
mg/1
Annual
Grab
1, 4, 5
Water level, distance from measuring point— 82546
It
3 x Year
Calculated
1, 2, 3
1. 3 x Year monitoring shall he conducted in March, July & November. Annual monitoring shall be conducted every November.
2. The measurement of water levels shall be made prior to purging the wells. The depth to water in each well shall be measured from the surveyed point on the top of the casing. The measurement
of pi shall be made aner purging and prior to sampling for the remaining parameters.
3. The measuring points (top of well casing) of all nhwhitoring wells shall be surveyed to provide the relative elevation of the measuring point for each monitoring well. The measuring points (top
of casing) of all monitoring wells sliall be surveyed relative to a common daturn.
4. Volatile Organic Compounds (VOC) -In November only, analyze by one of the following methods:
a. Standard Method 6230D, PQL at 0.5 lig/L or less
b. Standard Method 621 OD, PQL at 0.5 pg/l, or less
c. LPA Method 8021, Low Concentration, PQL at 0.5 lrg/L or less
d. EPA Method 8260. Low Concentration, PQL at 0.5 lrg/L or less
C. Another method with prior approval by the Aquifer Protection Section Chief
Any method used must meet the following qualifications:
a. A laboratory must be DWQ certified to run any method used.
b. The method used must, at a minimum, include till the constituents listed in Table VIII of Standard Method 62301).
c. The method used must provide a PQL of 0.5 pg/L or less that must be supported by laboratory proficiency studies as required by the DWQ Laboratory Certification Unit. Any constituents
detected above the MDL but below the PQL of 0.5 Irg/L must be qualified (estimated) and reported.
5. If any volatile organic compounds (VOC) are detected as a result of monitoring as provided in Attachment C. then the Wilmington Regional Office Aquifer Protection Supervisor, telephone
nmmber (910) 796-7215, must be contacted immediately for further instructions regarding any additional follow-up analyses required.
6. If TOC concentrations greater than 10 mg/1 are detected in any dovvngradient monitoring well, additional sampling and analysis must be conducted to identify the individual constituents
comprising this TUC concentration. If the TOC concentration as measured in the background monitor well exceeds 10 hng/l. this concentration will be taken to represent the naturally occurring
TOC concentration. Any exceedances of this naturally occurring TOC concentration in the doti%ngradient wells shall be subject to the additional sampling and analysis as described above.
7. Monitoring wells shall be reported consistent with the nomenclature and location information provided in Figure I and this attachment.
WQ0029475 Version 1.4 Attachment C Page I of I
:=i�°i�i'c° iti:c��sarrt�t��? �.i��� �.��.:ir�sl_:
N
Sterfing Farms
�;Yftm 1.
L
Irragory Date Feb 28. 20-043
qII
Morton Elementary School
2 0 10 G 0 0 p +
34'46'17 2 3" N T » I 8',q 9 . 00" VV er!v 31 ft
L.
Goo( .
Eyv alt SCR
I
Figure 3 — Directional Map
WQ0029475
Old 30 Road, Jacksonville, NC 28546
Aqud North Carolina, Inc.
Latitude: 34.7706'
Sterling Farms WWTF
Longitude; -77,3133'
117
Fares:'
C. Ar
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fr.
JaOksomrdle 0-
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Cunningham GI
Om PA Pad
Adzirko,Caps
pearsern
\v,
\F,
00,9A
r,w
.02DD6 Riand#&My @MR NAVE0
Figure 4 — Topographic Ma
WQ0029475
Old 30 Road, Jacksonville, NC 28546
A ud North Carolina, Inc.
Latitude: 34.7706'
Sterling Farms WWTF
Longitude:-77.3133'
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