NC0061638_Permit Issuance_20000717

State of North Carolina
Department of Environment
and Natural Resources
Division of Water Quality
James B. Hunt, Jr., Governor
Bill Holman, Secretary
Kerr T. Stevens, Director
July 17, 2000
Glenn D. Ward
Nero Utilities
5106 Shamrock Drive
Raleigh, North Carolina 27612
NCDENR
Subject: NPDES, Permit Issuance
Permit No. NCO061638
Amherst Subdivision/Middle Creek Development
Wake County
Dear Mr. Ward:
Division personnel have reviewed and approved your application for renewal of the
subject permit. Accordingly, we are forwarding the attached NPDES discharge permit. This
permit is issued pursuant to the requirements of North Carolina General Statute 143-215.1
and the Memorandum of Agreement between North Carolina and the U.S. Environmental
Protection Agency dated May 9, 1994 (or as subsequently amended).
Please be reminded that this facility's -discharge is located in the Neuse River Basin, in
which all streams have been designated as nutrient sensitive waters (NSW) as a result of
environmental problems including algal blooms problems in the estuary. The North Carolina
Environmental Management Commission recently adopted rules establishing the Neuse River
Basin Nutrient Sensitive Waters Management. Strategy for the reduction of phosphorus and
nitrogen inputs. The point source rule (15A NCAC 2B .0234) is intended to reduce total
nitrogen (TN) discharges by 30% by 2003. It specifies that individually permitted wastewater
discharges to the Neuse River Basin with permitted flows less than 0.5 MGD in 1995 shall be
allocated a collective annual mass load of 155,400 pounds/year of total nitrogen. This is
equivalent to an allocation in the range of 5 - 10 mg/1 TN for each small discharger. Although
no total nitrogen limits appear in the permit at this time, you may be subject to nitrogen
limits in the next permitting cycle. All facilities with permitted flow greater than or equal to
0.5 MGD are receiving a TN limit in this permit cycle.
The facility shall conduct an Engineering Alternatives Analysis evaluating the cost of
upgrading the treatment plant to include nutrient removal facilities. This evaluation should be
conducted according to the attached Engineering Alternatives Analysis Guidance Document
and is due no later than one year after the effective date of the permit.
Your discharge is one of four discharges within 1.5 miles of each other discharging into
f
e Creek or a Tributary to Middle Creek. Though nitrogen removal is not required at this
it is likely that removal of nitrogen will be required during future permitting cycles. The
on recommends that Nero Utilities - Amherst subdivision, Heater Utilities - Crooked
, NC Center for Mature Adults, and Brookfield Properties - Brighton Forest Subdivision,
re and submit the Engineering Alternatives Analysis collectively. Included in this
sis, the referenced facilities should evaluate the feasibility of pooling resources to bear the
1 7 MAIL SERVICE CENTER, RALEIGH, NORTH CAROLINA 27699-161 7 - TELEPHONE [phone]/FAX [phone]
AN EQUAL OPPORTUNITY AFFIRMATIVE ACTION EMPLOYER - 50% RECYCLED/ 1 0% POST -CONSUMER PAPER
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Permit NCO061638
cost of sewer line extension. Additionally, this analysis should evaluate the feasibility of
managing the wastewater from the four sites, through one of the existing treatment facility.
The Division will be contacting you in the near future to request a meeting to discuss this
opportunity. Please contact Michael Myers at 919-733-5083 x508 if you have any questions.
If any parts, measurement frequencies or sampling requirements contained in this
permit are unacceptable to you, you have the right to an adjudicatory hearing upon written
request within thirty (30) days following receipt of this letter. This request must 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 (6714 Mail Service Center, Raleigh, North
Carolina 27699-6714). Unless such demand is made, this decision shall be final and binding.
Please note that this permit is not transferable except after notice to the Division. The
Division may require modification or revocation and reissuance of the permit. This permit
does not affect the legal requirements to obtain other permits which may be required by the
Division of Water Quality or permits required by the Division of Land Resources, the Coastal
Area Management Act or any other Federal or Local governmental permit that may be required.
If you have any questions concerning this permit, please contact Michael Myers at
telephone number [phone], extension 508.
Sincerely,
Original Signed By
David X Goodrich
Kerr T. Stevens
cc: Central Files
Raleigh Regional Office/Water Quality Section
NPDES Unit
Point Source Compliance Enforcement Unit
Technical Assistance & Certification Unit

Permit NCO061638
STATE OF NORTH CAROLINA
DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES
DIVISION OF WATER QUALITY .
PERMIT
TO DISCHARGE WASTEWATER UNDER THE
NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM
In compliance with the provision of North Carolina General Statute 143-215.1, other lawful standards and
regulations promulgated and adopted by the North Carolina Environmental Management Commission, and
the Federal Water Pollution Control Act, as amended,
Nero Utilities
is hereby authorized to discharge wastewater from a facility located at
Amherst Subdivision/Middle Creek Development
off of NCSR 1404
south of Raleigh
Wake County
to receiving waters designated as Middle Creek in the Neuse River Basin in accordance with
effluent limitations, monitoring requirements, and other conditions set forth in Parts I, II, III and
IV hereof.
This permit shall become effective September 1, 2000.
This permit and authorization to discharge shall expire at midnight on April 30, 2003.
Signed this day July 17, 2000.
Original Signed By
aavid A. Goodrich
Kerr T. Stevens, Director
Division of Water Quality
By Authority of the Environmental Management Commission

Permit NCO061638
SUPPLEMENT TO PERMIT COVER SHEET
Nero Utilities
is hereby authorized to:
Continue operation of an existing 0.046 MGD wastewater treatment system, located at Amherst
Subdivision/Middle Creek Development, off of NCSR 1404, south of Raleigh, in Wake County. Treatment
at this facility consist of the following treatment units:
• Bar screen
• Communitor
• Dual train aeration basins
• Dual 6,200 gallon clarifier
• Tertiary filter
• Dual hypochlorinator
• Ferric sulfate feed
• Dechlorinator
• Recording flow meter
• Dual 1,160 post aeration tank with dual 148 cfm blowers
• Dual 5, 000 gallon aerated sludge holding tank.
• Dual sludge drying beds
2. Discharge treated wastewater from said treatment works at the location specified on the attached map
through outfall 001 into Middle Creek, which is classified C NSW waters, in the Neuse River Basin.

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Facility Information
Facilit
LatiWde:
Longib-ide:
35o38'37" N Sub -Basin-
78'43'59" W
03-04-03
Location M�, PAN
Wiikf I
Quad #:
E 24 NW
1E
Strem Class: CNSW
Receivim Stream ATiddle Cmek
Permitted
Nero Utilities
NCO061638
F::.t
now:
0.046 MGD and 0.53 MGD
SubdivisionlMiddle Creek Development

Permit NCO061638
A. (1.) EFFLUENT LIMITATIONS AND MONITORING REQUIREMENTS
During the period beginning on the effective date of the permit and lasting until expansion beyond 0.046 MGD or
expiration, the Permittee is authorized to discharge treated domestic wastewater from outfall(s) 001. Such
discharges shall be limited and monitored by the Permittee as specified below:
Effluent Characteristics
Limits
Monitoring Requirements
Monthly
Average
Weekly
Average
Daily
Maximum
Measurement
Frequency
Sample Type
Sample
Locationl
Flow
0.046 MGD
Continuous
Recording
I or E
BOD, 5-day, 20°C (summer)-
5.0 mg/L
7.5 mg/L
Weekly
Composite
E
BOD, 5-day, 20°C(winter)-
10.0 mg/L
15.0 mg/L
Weekly
Composite
E
Total Suspended Residue
30.0 mg/L
45.0 mg/L
Weekly
Composite
E
NH3-N (summer)-
2.0 ma/L
Weekly
Composite
E
NH3-N (winter)-
4.0 mg/L
Weekly
Composite
E
Dissolved Oxygen 3
Weekly
Grab
E
Fecal Coliform
200/100 ml
400/100 ml
Weekly
Grab
E
Temperature
Daily
Grab
E
H'
Weekly
Grab
E
Total Residual Chlorine
2/Week
Grab
E
Total Nitrogen
No Effluent Limit (mg/L)
Monthly
Composite
E
No Effluent Limit (lb/Mo)
Monthly
Calculated
E
No Effluent Limit (lb/yr)
Annually
Calculated
E
Total Phosphorus 7
2.0 mg/L (quarterly average)
Monthly
Composite
E
Dissolved Oxygen
Weekly
Grab
U, D
Temperature
Weekly
Grab
U, D
Footnotes:
I. Sample Location: E — Effluent, I — Influent, U — Upstream at SR 1404, D — Downstream at SR 1375.
2. Summer is defined as the period from April 1 through October 31, while winter is defined as November 1
through March 31.
3. The daily average dissolved oxygen effluent concentration shall not be less than 5.0 mg/1.
4. Fecal Coliform shall be calculated using the geometric mean, according to the procedure detailed in Part 11. Section A,
Paragraph 9b.
5. . The pH of the effluent shall not be less than 6.0 nor greater than 9.0 (on the standard units scale).
6. See Special Condition A.(3), Total Nitrogen Monitoring.
7. The quarterly average for total phosphorus shall be the average of grab samples collected monthly during the calendar
quarter (January -March, April -June, July -September, October -December).
There shall be no discharge of floating solids or visible foam in other than trace amounts.
Definitions:
MGD — Million gallons per day BOD — Biochemical oxygen demand
mg/L — Milligram per liter ml — Milliliter
Ib/Mo — Pounds per month lb/yr — Pounds per year

Permit NCO061638
A. (2.) EFFLUENT LIMITATIONS AND MONITORING REQUIREMENTS
During the period beginning upon expansion above 0.046 MGD and lasting until expiration, the Permittee is
authorized to discharge treated domestic wastewater froth outfall(s) 001. Such discharges shall be limited and
monitored by the Permittee as specified below:
Effluent Characteristics
Limits
Monitoring Requirements
Monthly
Average
Weekly
Average
Daily
Maximum
Measurement
Frequency
Sample Type
Sample
Locations
Flow
0.053 MGD
Continuous
Recording
I or E
BOD, 5-day, 20'C (summer)-
5.0 mg/L
7.5 mg/L
Weekly
Composite
E
BOD, 5-day, 20°C(winter)-
10.0 mg/L
15.0 mg/L
Weekly
Composite
E
Total Suspended Residue
30.0 mg/L
45.0 mg/L
Weekly
Composite
E
NH3-N (summer)-
2.0 mg/L
Weekly
Composite
E
NH3-N (winter)-
4.0 mg/L
Weekly
Composite
E
Dissolved Oxygen
Weekly
Grab
E
Fecal Coliform
200/100 ml
400/100 ml
Weekly
Grab
E
Temperature
Daily
Grab
E
pH'
Weekly
Grab
E
Total Residual Chlorine
2/Week
Grab
E
Total Nitrouen6
y
No Effluent
Limit (mg/L)
Monthly
Composite
E
No Effluent Limit (lb/Mo)
Monthly
Calculated
E
No Effluent Limit (lb/ r)
Annually
Calculated
E
Total Phosphorus 7
2.0 me/L (quarterly average)
Monthly
Composite
E
Dissolved Oxygen
Weekly
Grab
U, D
Temperature
Weekly
Grab
U, D
Footnotes:
1. Sample Location: E — Effluent, I — Influent, U — Upstream at SR 1404, D — Downstream at SR 1375.
2. Summer is defined as the period from April 1 through October 31, while winter is defined as November 1
through March 31.
3. The daily average dissolved oxygen effluent concentration shall not be less than 5.0 mg/l.
4. Fecal Coliform shall be calculated using the geometric mean, according to the procedure detailed in Part Il. Section A,
Paragraph 9b.
5. The pH of the effluent shall not be less than 6.0 nor greater than 9.0 (on the standard units scale).
6. See Special Condition A.(3), Total Nitrogen Monitoring.
7. The quarterly average for total phosphorus shall be the average of grab samples collected monthly during the calendar
quarter (January -March, April -June, July -September, October -December).
There shall be no discharge of floating solids or visible foam in other than trace amounts.
Definitions:
MGD — Million gallons per day BOD — Biochemical oxygen demand
mg/L — Milligram per liter ml — Milliliter
Ib/Mo — Pounds per month lb/yr — Pounds per year

Permit NC0061638
A. (3.) TOTAL NITROGEN MONITORING
The Permittee shall calculate the annual mass loading of total nitrogen as the sum of monthly loadings, according to
the following equations:
(1) Monthly Mass Loading (lb/mo) = TN x Q x 8.34
where:
TN = the average total nitrogen concentration (mg/L) of the grab samples collected during the
month
Q = the total wastewater flow discharged during the month (MG/mo)
8.34 = conversion. factor, from (mg/L x MG) to pounds
(2) Annual Mass Loading (lb/yr) = E (Monthly Mass Loadings) for the calendar year
The Permittee shall report the total nitrogen concentration for each sample and the monthly mass loading in the
appropriate self -monitoring report and the annual mass loading of total nitrogen in the December self -
monitoring report for the year.

AFFIDAVIT OF PUBLICATION
NORTH CAROLINA.
Wake County. ) Ss.
ENVI
RALEIGH, NL 2/6ri-161/
NOTIFICATION OF INTENT TO ISSUE A
NPDES WASTEWATER 7ERMIT
On the basis of thorough staff review and application of NC
General Statute 143.21, Public law 92.5W and other lawful
standards and regulations, the North Carolina Environmental
Management Commission proposes to issue a National Pollutant
Discharge Elimination System (NPDES) wastewater discharge
days from the publish date of this notice pages effective 45
Written comments regarding The proposed permil will be accept-
ed unti 130 days after the publish date of this notice. All comments
received prior to that date are considered in the final determina-
tions regarding the proposed permit. The Director of the NC
Division of Water Quality may decide to hold a public meeting for
the Proposed permit should the Division receive a significant
degree of public interest.
Copies of the draft permit and other supporting information on
file used to determine conditions present in the draft permit are
available upon request and payment of the costs of reproduction.
Mail comments and/orrequests to, information to the NC
Division of Water Quality at the above address or call Ms.
Christie Jackson at [phone], extension 538. Please include
the NPDES permit number (attached) in any communication.
Interested persons may also visit The Division of Water Quality at
512 N. Salisbury Street, Raleigh, NC 276"1148 between the hours
of 8:Wa.m. and 5:00P.m. to review information on file.
NPDES Permit Number NC0061638, Nero Utility - Amberst
WWTP, 7404-K Chapel Hill Road, Raleigh, NC 27607 has applied
for a permit renewal for a facility located in Wake County
discharging treated wastewater into Middle Creek in the Neuse
River Basin. Currently BOD, ammonia, fecal coliform, dissoved
oxygen, and phosphorus are water quality limited. This dis-
charge may affect future allocations in this portion of the
receiving stream.
N&O: April 29, 2000
Before the undersigned, a Notary Public of Johnston
County North Carolina, duly commissioned and authorized to
administer oaths, affirmations, etc., personally appeared Debra
Peebles who, being duly sworn or affirmed, according to law,
doth depose and say that she is Billing Manager -Legal
Advertising of THE NEWS AND OBSERVER PUBLISHING
COMPANY a corporation organized and doing business
under the Laws of the State. of North Carolina, and publishing
a newspaper known as THE NEWS AND OBSERVER, in the
City of Raleigh, County and State aforesaid, the said
newspaper in which such notice, paper, document, or legal
advertisement was published was, at the time of each and
every such publication, a newspaper meeting all of the
requirements and qualifications of Section 1-597 of the
General Statutes of North Carolina and was a qualified
newspaper within the meaning of Section 1-597 of the
General Statutes of North Carolina, and that as such she
makes this affidavit; that she is familiar with the books, files
and business of said corporation and by reference to the files
of said publication the attached advertisement for DEHNR
was inserted in the aforesaid newspaper on dates as follows:
04/29/00
Account Number: 73350832
The above is correctly copied from the books and files of the aforesaid Corporation and publication.
A/ KD I/
0 01111I III!!/����/
\G�� G. RA YN0
piAq
SEAL
ti'
UBL
Billing Manager -Legal Advertising
Sworn or affirmed to, and subscribed before me, this
30 day of APRIL , 2000 AD
In Testimony Whereof, I have hereunto set my hand
and affixed my official seal, the day and year aforesaid.
�1
Notary Public
1/
My commission expires 2nd day of July 2000

' DENR/DWQ
FACT SHEET FOR NPDES PERMIT DEVELOPMENT
NPDES No. NCO061638
Facility Information
Applicant/Facility Name:
Nero Utilities - Amherst
Applicant Address:
5106 Shamrock Drive
Facility Address:
Off of NCSR 1010, south of Raleigh
Permitted Flow
0.046 MGD and 0.053 MGD
Type of Waste:
Domestic
1
Facility/Permit Status:
Class II/Renewal
County:
Wake
L
Miscellaneous
c .
Receiving Stream:
Middle Creek
Regional Office:
Raleigh
Stream Classification:
C NSW
USGS Topo Quad:
E 24 NW
303(d) Listed?:
No - Approved
TMDL
Permit Writer:
Michael Myers
Subbasin:
03-04-03
Date:
Aril 6, 2000
Drainage Area (mi2):
41.2
Summer 7Q 10 (cfs)
0.15
Winter 7Q 10 (cfs):
2.1
Average Flow (cfs):
43.4
IWC N:
32.2%
Primary SIC Code:
4952
SUMMARY
Nero Utilities operates a wastewater treatment plant in subbasin 03-04-03 in the Neuse River
Basin. The Amherst facility is not a member of the Lower Neuse Basin Association. The facility
is located off of NCSR 1010 south of Raleigh in Wake County. Flow from the facility is
discharged through outfall 001 into Middle Creek, which is classified as C NSW waters based
on its designated uses.
In August of 1998, the Division received notification that the facility completed the expansion of
of the treatment plant. This expansion increased the design capacity of the treatment works
from 0.2 MGD to 0.46 MGD.
(� .©-E- W-D /10. OA4 � may,
The facility is permitted to treat 100% domestic wastewater upto 0.053 MGD. Currently, the
facility is treating the domestic wastewater using the following treatment units:
• Bar screen
• Communitor
• Dual 5,000 gallon aeration tank
• Dual 6,200 gallon clarifier
• Tertiary filter
• Dual hypochlorinator
• Ferric sulfate feed
• Dechlorinator
• Recording flow meter
• Dual 1,160 post aeration tank with dual 148 cfm blowers
Sludge generated as part of the treatment processes is treated and managed as follows:
• Dual 5, 000 gallon aerated sludge holding tank.
• Dual sludge drying beds
• Wallace Woodall Vacuum pumping has been contracted to remove sludge from the
plant upon notification.
The hydrologic characteristics of the receiving stream at the discharge location include a
drainage area of 41.2 mil, an average stream flow of 43.4 cfs, drought condition flow (summer
Fact Shect
NPDES .Renc A -al
Page I

7Q 10 and winter 7Q 10) of 0.15 cfs and 2.1 cfs, respectively, and a aesthetic stream flow (30Q2)
of 4.0 cfs.
Within the Middle Creek watershed there are 18 permitted dischargers, with three major
dischargers. There are no water supply watershed, no waters designated as high quality waters
or outstanding resource waters, and no anadromous fish spawning, within the subbasin.
The discharge is located in Middle Creek downstream of the confluence of Camp Branch and
Middle Creek and upstream of the confluence of Terrible Creek and Middle Creek, between
Johnson Pond Rd. and Simpkins Rd. There are several monitoring stations located on the
main stem of Middle Creek. The upstream monitoring stations are located upstream Sunset
Lake and were not reviewed. The closest ambient monitoring station is located at Highway 401
just downstream of the discharge point and the parameters of concern for a 100% domestic
discharger where within the state standards.
There are seven benthic macroinvertibrate monitoring stations located in the mainstem of
Middle Creek. The seven stations have ratings of either 'fair' or 'good -fair'. The 1998 Neuse
River Basin Plan, indicates that the entire Middle Creek watershed was rated as 'support
threatened'.
TOXICITY TESTING:
Current Requirement: None
Recommended Requirement: None
COMPLIANCE SUMMARY:
A review of four years of DMR data indicates that the facility has been having problems
meeting the limits for ammonia, BOD and fecal coliform. For further details on the compliance
history please refer to the permit writers notes.
INSTREAM MONITORING:
The facility currently is required to monitor fecal coliform, temperature, DO, and conductivity
upstream and downstream of the outfall.
PROPOSED CHANGES:
Removal of in -stream conductivity monitoring as a condition for the permit, according to the
Division's in -stream monitoring policy.
Removal of in -stream fecal coliform monitoring as a condition for the permit, according to the
Division's in -stream monitoring policy.
It is recommended that the facility be required to conduct an Engineering Alternatives Analysis.
This analysis should include the collaboration of dischargers in the area to extend the sewer
line making it feasible for the dischargers to connect. Also the EAA should include an analysis
of the feasibility to merge all four discharges into one discharge.
PROPOSED SCHEDULE FOR PERMIT ISSUANCE:
Draft Permit to Public Notice: Apirl 12, 2000.
Permit Scheduled to Issue: June 5, 2000.
STATE CONTACT:
If you have any questions on any of the above information or on the attached permit, please contact Michael
Myers at [phone] ext. 508.
NAME: DA
NPDES SUPERVISOR:
NAME: DATE:
Fact Shect
tiI'I:).1 S.Renewal
Pale 2

REGIONAL OFFICE COMMENT:
e& Vf
41�� b�siNs
NAME: DATE:
Fact Sheet
NPUES Renewal
Page 3

1
State Of North Carolina
Department of Environment
and Natural Resources
Division of Water Quality
James B. Hunt, Jr., Governor
Bill Holman, Secretary
Kerr T. Stevens, Director
April 18, 2000
MEMORANDUM
'ro: Randy Jones/Judy Garrett
NC DENR / DWQ
Raleigh Regional Office
From: Michael J. Myers
NPDES Unit
NCDENR
NORTH CAROLINA DEPARTMENT OF
ENVIRONMENT AND NATURAL RESOURCES
QFn
2000
I MAY 1 9
DENR - WATER QUALITY
POINT $Cll11�F BRANCH
Subject: Review of Draft NPDES Permit NCO061638
Nero Utilities - Amherst Subdivision
Wake County
Attached is a copy of the draft NPDES permit for the above referenced facility for your review and
comment. Please provide your comments in the spaced provided on the fact sheet and return by June
3, 2000. Nero Utilities is one of four dischargers within 1.5 miles of each other that discharge into
Middle Creek or a tributary to Middle Creek. As part of this renewal we are proposing that the
facilities collectively submit an Engineering Alternatives Analysis evaluating the feasibility of
consolidating the four discharges into one discharge or collectively extending sewer to the area. If you
have any questions or would like to give me your comments directly please contact me at 919-733-
5083 x508 or by email at [e-mail]. Thank you for your time.
Signed Date:
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P� 1617 MAIL SERVICE CENTER, RALEIGH, NORTH CAROLINA 27699-1617 - TELEPHONE [phone]/FAX [phone]
AN EQUAL OPPORTUNITY AFFIRMATIVE ACTION EMPLOYER - 501 RECYCLED/ 111 POST -CONSUMER PAPER
40 VISIT US ON THE INT NET @ http://h2o.enr.state.nc.us/NPDES
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Notes for Nero Utilities — Amherst WWTP
General Information
Nero Utilities operates an wastewater treatment plant in subbasin 03-04-03 in the Neuse
River Basin. The facility is located off of NCSR 1010 south of Raleigh in Wake County.
Flow from the facility is discharged through outfall 001 into Middle Creek, which is
classified as C NSW waters based on its designated uses.
In August of 1998, the Division received notification that the facility completed the
expansion of the treatment plant. This expansion increased the design capacity of the
treatment works from 0.2 MGD to 0.46 MGD.
The facility is permitted to treat 100% domestic wastewater upto 0.053 MGD. Currently,
the facility is treating the domestic wastewater using the following treatment units:
• Bar screen
• Communitor
• Dual 5,000 gallon aeration tank
• Dual 6,200 gallon clarifier
• Tertiary filter
• Dual hypochlorinator
• Ferric sulfate feed
• Dechlorinator
• Recording flow meter
• Dual 1,160 post aeration tank with dual 148 cfm blowers
Sludge generated as part of the treatment processes is treated and managed as follows:
• Dual 5, 000 gallon aerated sludge holding tank.
• Dual sludge drying beds
• Wallace Woodall Vacuum pumping has been contracted to remove sludge from the
plant upon notification.
The hydrologic characteristics of the receiving stream at the discharge location include a
drainage area of 41.2 mil, an average stream flow of 43.4 cfs, drought condition flow
(summer 7Q10 and winter 7Q10) of 0.15 cfs and 2.1 cfs, respectively, and a aesthetic
stream flow (30Q2) of 4.0 cfs.
Permit Writer: MJM
Permit #: NCO061638
Permit Review
Glen Ward of Nero Utilities, has applied for an NPDES permit renewal. Concurrent with
the request for renewal, Nero Utilities has requested that monitoring frequencies and
sample types be based on the flow capacity of only one side of the treatment train.
Currently, the facility has summer/winter limits for flow rates of 0.02 MGD and 0.53
MGD. With the completion of the recent expansion the treatment capabilities of the

treatment system are now 0.046 MGD. The discharge is now limited and monitored
according to the 0.053 MGD Effluent Limitations and Monitoring Requirements Page.
The limitations and monitoring requirements according to the 0.053 MGD Effluent
Limitations and Monitoring Requirements Page are as follows:
Parameter
Monthly Average
Daily Maximum
Flow
0.053 MGD
BOD
5.0 mg/L(summer) and 10.0
mg/L (winter)
7.5 mg/L(summer) and 15.0
mg/L (winter)
TSS
30.0 mg/L
45.0 mg/L
NH3
2.0 mg/L (summer) and 4.0
mg/L (winter)
DO
6.0 mg/L
Fecal coliform
200/100 ml
400/100 ml
TRC
28 µg/L
TN
Monitor
TP
2.0 mg/L
Temperature
Monitor
H
6-9
Conductivity
Monitor
Permit File Review
There have been no permit modifications, since the last permit renewal.
An Authorization to Construct was issued January 10, 1997, to construct a second
treatment train at the facility, increasing the design flow capacity to 0.46 MGD.
Wasteload Allocation File Review
The last wasteload was conducted October 4, 1993.
Quad = E 24 NW
County = Wake
Treatment plant classification = Class II (see discussion below).
Correspondence File Review
NOV
issued:
Date of
Violation
Parameter/
Reason
Limit
Reported
Value
%
Exceedance
September
N/A
Non
N/A
N/A
N/A
1999
payment of
annual fee
July 30,
April 1999
Civil penalty
2.0 mg/L
3.3 mg/L
65%
1999
assessment

NOV
Date of
Parameter/
Limit
Reported
%
issued:
Violation
Reason
Value
Exceedance
April 24,
February
No DMR
N/A
N/A
N/A
1998
1998
submittal
June 29,
April 1998
Flow
0.02 MGD
0.0209
4.5%
1998
MGD
June 29,
April 1998
BOD
9.0 mg/L
10.0 mg/L
11.1%
1998
June 29,
April 1998
Ammonia
2.0 mg/L
2.3 mg/L
15%
1998
June 8, 1998
February
Ammonia
4.0 mg/L
10.4 mg/L
160%
1998
March 9,
January
Ammonia
4.0 mg/L
5.18 mg/L
29.5%
1998
1998
March 9,
January
Fecal
200/100 ml
12775/100
6287%
1998
1998
Coliform
ml
November 3,
August 1997
Ammonia
2.0 mg/L
2.24 mg/L
12%
1997
May 1, 1997
March 1997
Compliance
N/A
N/A
N/A
inspection
September
July 1997
Compliance
N/A
N/A
N/A
1997
inspection
September
N/A
Non
N/A
N/A
N/A
23, 1996
payment of
annual fee
September
June 1996
BOD
9.0 mg/L
10.4 mg/L
15.6%
3, 1996
September
June 1996
Ammonia
2.0 mg/L
2.3 mg/L
15%
3, 1996
December
November
Compliance
N/A
N/A
N/A
21, 1996
1996
inspection
January 24,
October
Flow
0.02 MGD
0.0283
41.5%
1996
1995
MGD
January 24,
October
Fecal
200/100 ml
3000/100 ml
1400%
1996
1995
Coliform
August 12,
May 1996
BOD
9.0 mg/L
10.4 mg/L
15.6%
1996
July 31,
May 1996
Compliance
N/A
N/A
N/A
1996
Inspection
November
October
Coomplianc
N/A
N/A
N/A
13, 1996
1996
e Inspection
November
August 1996
BOD
9.0 mg/L
15.0 mg/L
66.7%
12, 1996
November
August 1996
Ammonia
2.0 mg/L
2.6 mg/L
30%
12, 1996

November
August 1996
Fecal
200/100 ml
274/100 ml
37%
12, 1996
Coliform
DMR Review
See attached Dissolved Oxygen assessment and ammonia toxicity spreadsheet.
The dissolved oxygen assessment shows little impacts from the treatment facility. The
ammonia limits currently in the permit have been implemented according to the
Division's Ammonia Toxicity Policy.
Basin Plan Review
Within the Middle Creek watershed there are 18 permitted dischargers, with three major
dischargers. There are no water supply watershed, no waters designated as high quality
waters or outstanding resource waters, and no anadromous fish spawning, within the
subbasin.
The discharge is located in Middle Creek downstream of the confluence of Camp Branch
and Middle Creek and upstream of the confluence of Terrible Creek and Middle Creek,
between Johnson Pond Rd. and Simpkins Rd. There are several monitoring stations
located on the main stem of Middle Creek. The upstream monitoring stations are located
upstream Sunset Lake and were not reviewed. The closest ambient monitoring station is
located at Highway 401 just downstream of the discharge point and the parameters of
concern for a 100% domestic discharger where within the state standards.
There are seven benthic macroinvertibrate monitoring stations located in the mainstem of
Middle Creek. The seven stations have ratings of either `fair' or `good -fair'. The 1998
Neuse River Basin Plan, indicates that the entire Middle Creek watershed was rated as
`support threatened'.
General Comments
One of the issues associated with this facility phosphorus limit imposed on the facility as
a condition for the previous permit. The facility was given a quarterly average
phosphorus limit of 2.0 mg/L upon expansion above 0.02 MGD. The engineer's
certification indicating completion of the second treatment train was received August 3,
1998. Once completion was acknowledge the 0.02 MGD Effluent Limitations and
Monitoring Page became obsolete and the facility was required to adhere to the 0.53
MGD Effluent Limitations and Monitoring Page. Accordingly the facility was limited
for phosphorus. A review of the effluent data reported by the facility indicates that the
facility has been non -compliant with the phosphorus limitation since the upgrade of the
facility was completed.
According to the Neuse River Basin's Nutrient Management Strategy the facility should
not be limited for phosphorus. However, an old modeling SOP indicates that new or
expanded dischargers in this subbasin shall be limited at 2.0 mg/L phosphorus based on a
quarterly average. Based on this, it is recommended that this issue be handled as follows:
The 2.0 mg/L phosphorus limit will remain as a condition for the permit.

• The nutrient language for small discharger should be included in both the draft
cover letter and the final permit cover letter. This should alert the facility of
the potential that TN will be limited at a future date.
The entire Wake County area is under rapid development, according to J.D. Hester
(Wake County Environmental Services) sewer connection is currently within one mile of
the facility. Future construction of subdivision in this area may bring the sewer line even
closer. It may be feasible for the facility to connect to a POTW than construct the
treatment units needed to remove nutrients. Therefore, the Division should require an
Engineering Alternatives Analysis to explore the feasibility of connecting to sewer.
Additionally, there are four small domestic dischargers within 1.5 mile of each other.
The cost for sewer extension could be distributed amongst these dischargers, thus easing
the financial burden that may be incurred by any individual. To explore this option, the
scope of the engineering alternatives analysis should be expanded.
Another option for the dischargers in this area is to have all the dischargers in this area tie
into one plant. This would reduce the number of dischargers from four to one. Looking
at the situation the most feasible plant would appear to be the Heater Utilities Crooked
Creek facility. Language should be drafted and inserted into the draft and final permit
cover letters requiring the facilities to examine these options.
February 3, 1998 — Technical assistance and certification notified the facility that they
were classified as a Grade III facility.
4/13/00 - Technical assistance was called to verify the classification of the treatment
facility. Since the facility uses ferrous sulfate for phosphorus removal this facility is
considered a class H facility and is not a class III facility. Therefore, the monitoring
frequencies will be implemented accordingly.

Residual Chlorine and Ammonia Toxicity Assessment
Residual Chlorine
Ammonia as NH3
(summer)
7Q10 (CFS)
0.15
7Q10 (CFS)
0.15
DESIGN FLOW (MGD)
0.046
DESIGN FLOW (MGD)
0.046
DESIGN FLOW (CFS)
0.0713
DESIGN FLOW (CFS)
0.0713
STREAM STD (UG/L)
17.0
STREAM STD (MG/L)
1.0
UPS BACKGROUND LEVEL (
0
UPS BACKGROUND LEVEL
0.22
IWC (%)
32.22
IWC (%)
32.22
Allowable Concentration (ug
52.76
Allowable Concentration (rr
2.64
Ammonia as NH3
(winter)
7Q10 (CFS)
2.1
Fecal Limit
200/100ml
DESIGN FLOW (MGD)
0.046
Ratio of 2.1 :1
DESIGN FLOW (CFS)
0.0713
STREAM STD (MG/L)
1.8
UPS BACKGROUND LEVEL
0.22
IWC (%)
3.28
Allowable Concentration (rr
48.34
4/6/00
MJM NCO061638

0
In -stream DO Assessment
for NPDES Permit No. NCO061638
In -Stream DO Assessment Instructions -
Shaded areas require user inputs. If salinity and/or elevation are unknown and cannot be
determined then leave blank, this will not affect the final outcome. After entering data
drag the DO saturation cells, percent saturation cells, and impact assessment cells
down to the appropriate line.
Note: that if salinity or elevation values are not enter then the DO saturation values only
represent the temperature corrected values only.
U` "stream"Sam lin Point Elevation
..__ .
. Downstream Sarn Olin 'Point Elevation
°
I. Stream DO'Standard.: , . „ .5.
Upstream
- _Field_"° Field_
Measured ° 'Measured Percent
TemperatureTemperature DO :,, .. Salinity:" DO Saturation DO Saturation DO Saturation Saturation
Kmg/L`: g/L' t_ mg/L mg/L mg/L %
284.15
7 9`x�"
11.03
11.03
11.03
71.64
13 • ,
286.15
- 7.2'
10.54
10.54
10.54
68.33
282.15
7.6
11.56
11.56
11.56
65.75
278.15
11.8
12:77
12.77
12.77
92.40
12
285.15
6.1 =
10.78
10.78
10.78
56.60
777 77713:
286.15
10.54
10.54
10.54
58.84
Y4' . ,
287.15
6:1 ''
10.31
10.31
10.31
59.19
287.15
;u 6.5
10.31
10.31
10.31
63.07
12'
285.15
6 1, `'
10.78
10.78
10.78
56.60
`1 `5 ` =
288.15
6 4 =',;
10.08
10.08
10.08
63.47
289.15
6 8 . w` e
9.87
9.87
9.87
68.89
:,.-,A4
287.15
6,1 ° .
10.31
10.31
10.31
59.19
288.15
6.4
10.08
10.08
10.08
63.47
289.15
6.4 , '
9.87
9.87
9.87
64.84
..15".: `
288.15
- . 6.4
10.08
10.08
10.08
63.47
290.15
° 6 7, . •
9.66
9.66
9.66
69.32
288.15
r 6 1 •• . °
, F _
10.08
10.08
10.08
60.49
tti 18 ___�.''�'
291.15_
6.4�'`_;
,..`
9.47
9.47
9.47
67.60
`` 19, •
292.15
6:8; ;;° ",
>>_
9.28
9.28
9.28
73.31
291.15
62
9.47
9.47
9.47
65.49
291.15
: 6 6 •: "
9.47
9.47
9.47
69.72
24:.. ''• " ;
297.15
: ,,6.2­
8.42
8.42
8.42
73.65
298.15
6.4 `
8.26
8.26
8.26
77.45
x 25
298.15
8.26
8.26
8.26
81.08
298.15
6.4° ".
8.26
8.26
8.26
77.45
25 ,'
298.15
; , 6.8'" °
: " := "•
8.26
8.26
8.26
82.29
'26 "
299.15
6.4 `e . °
8.11
8.11
8.11
78.88
`25�� ` ` '�
298.15°
6 1 `° `F '
° ,
8.26
8.26
8.26
73.82
26 , ..
299.15
6.4 :.
8.11
8.11
8.11
78.88
25
298.15
" 6.6:,"
8.26
8.26
8.26
79.87
297.15
`,:; 6.9. :, .
. ,
8.42
8.42
8.42
81.96
25; .
298.15
6 7: •..
8.26
8.26
8.26
81.08
°24:
297.15
6:3" "
8.42
8.42
8.42
74.84
. .25 °
298.15
a. 6 5 ° '� ;
8.26
8.26
8.26
78.66
18 ` _
291.15
,` 6.9
9.47
9.47
9.47
72.88
MJ M 1 4/6/00

In -stream DO Assessment
for NPDES Permit No. NCO061638
Number of upstream DO violations
0
Number of Downstream DO violations
0
Number of Downstream DO violations
where upstream was above standard
0
Downstream
Fieid " Field
Measured Measured' Percent
Temperature Temperature DO •; Salinity DO Saturation DO Saturation DO Saturation Saturation
I< :: m /L ,:. _. g/L .. mg/L mg/L mg/L %
284.15
7:7
11.03
11.03
11.02
69.85
`.e 13,
286.15
7.4 ,. "
10.54
10.54
10.53
70.26
282.15
81
11.56
11.56
11.56
70.10
278.15
12.77
12.77
12.77
90.87
285.15
: ° 6t3 ,
10.78
10.78
10.77
58.48
286.15
. 64 .
10.54
10.54
10.53
60.76
287.15
6T2 ,-�
10.31
10.31
10.30
60.18
14" _ . '<
287.15
6:1.
10.31
10.31
10.30
59.21
12 °-
285.15
6`4
10.78
10.78
10.77
59.41
15 `°
288.15
63
10.08
10.08
10.08
62.50
289.15
62
9.87
9.87
9.87
62.84
14 ` • .,
287.15
63
10.31
10.31
10.30
61.15
288.15
67°
10.08
10.08
10.08
66.47
16
289.15
` 69 =
9.87
9.87
9.87
69.93
288.15
10.08
10.08
10.08
60.52
290.15
: 62
9.66
9.66
9.66
.64.17
­'15 ° :
288.15
6:1
10.08
10.08
10.08
60.52
291.15
67
9.47
9.47
9.46
70.80
«19
292.15
a"'63 . ka :',
9.28
9.28
9.27
67.94
291.15
67,
9.47
9.47
9.46
70.80
18
291.15
=. 6-1.
9.47
9.47
9.46
64.46
25 �'"
298.15
6.7 _
8.26
8.26
8.26
81.11
297.15'`6'4
8.42
8.42
8.41
76.05
24 '•' "`
297.15
8.42
8.42
8.41
74.87
24.
297.15
68
8.42
8.42
8.41
80.81
25 :r '
298.15
, .66
8.26
8.26
8.26
79.90
26 .;
299.15
63
== "
8.11
8.11
8.11
77.68
298.15
.64 : `
8.26
8.26
8.26
77.48
299.15
66 `;"
8.11
8.11
8.11
81.38
298.15
" 64
8.26
8.26
8.26
77.48
25..
298.15
-` 6:4 , .
8.26
8.26
8.26
77.48
v 24 ,, `' ; ,'
297.15
6.6
8.42
8.42
8.41
78.43
296.15
'6:8
;` " "
8.58
8.58
8.57
79.30
298.15
63 . ;
8.26
8.26
8.26
76.27
18 • "
291.15
67
9.47
9.47
9.461
70.80
MJM 2 4/6/00

In -stream DO Assessment
for NPDES Permit No. NC0061638
Impact
Assessment
U/D
Percent
Saturation
[dimensionless]
Upstream
above
standard
Upstream Downstream downstream
Standard Standard below
Violatation Violatation Standard
1.03
0
0
0
0.97
0
0
0
0.94
0
0
0
1.02
0
0
0
0.97
0
0
0
0.97
0
0
0
0.98
0
0
0
1.07
0
0
0
0.95
0
0
0
1.02
0
0
0
1.10
0
0
0
0.97
0
0
0
0.95
0
0
0
0.93
0
0
0
1.05
0
0
0
1.08
0
0
0
1.00
0
0
0
0.95
0
0
0
1.08
0
0
0
0.93
0
0
0
1.08
0
0
0
0.91
0
0
0
1.02
0
0
0
1.08
0
0
0
0.96
0
0
0
1.03
0
0
0
1.02
0
0
0
0.95
0
0
0
0.97
0
0
0
1.03
0
0
0
1.06
0
0
0
1.03
0
0
0
0.94
0
0
0
1.03
0
0
0
1.03
1 0
1 0
0
MJM 3 4/6/00

In -stream DO Assessment
for NPDES Permit No. NCO061638
Ratio of Percent DO Saturation Upstream to Percent DO Saturation
Downstream of Permitted Outfall(s)
a 5.00
U
i
4.50
0
o 4.00
E z
'Q') a) 3.50
0
0 3.00
�o
.0 c 2.50
cz .o
2.00
0 0 1.50
o
1.00
U
a_ 0.50
0
M 0.00
MJ M 4 4/6/00

In -stream DO Assessment
for NPDES Permit No. NCO061638
19
292.15
63 ' . `
9.28
9.28
9.28
67.91
18 r
291.15
6.1 `:
9.47
9.47
9.47
64.43
19
292.15
6:7 , ,''
9.28
9.28
9.28
72.23
16
289.15
7.1 '
9.87
9.87
9.87
71.93
1°5
288.15
=" 6.8 ' .
10.08
10:08
10.08
67.43
1;6
289.15
6.9
9.87
9.87
9.87
69.91
15
288.15
6.5 ° '
10.08
10.08
10.08
64.46
7
280.15
8.9 : ;
12.14
12.14
12.14
73.32
10
283.15
7 8 .`;' .
:;
11.29
11.29
11.29
69.10
1.1
284.15
„ _ ..,
11.03
11.03
11.03
67.11
"11
284.15
_ 7 8
•'
11.03
11.03
11.03
70.73
10 "...'
283.15
7-4
..:
11.29
11.29
11.29
65.56
9 ; ` .'
282.15
8.,1
::
11.56
11.56
11.56
70.07
10
283.15
8:4 "
11.29
11.29
11.29
74.42
Z' `','
280.15
- 8.9-; `
12.14
12.14
12.14
73.32
,1A
283.15
-7.9 J
11.29
11.29
11.29
69.99
10
283.15
81 _ °;
11.29
11.29
11.29
71.76
10
283.15
7:1 = `
11.29
11.29
11.29
62.90
1,0
28115
7.6 ' "
11.29
11.29
11.29
67.33
14
287.15
7.4 ;
10.31
10.31
10.31
71.80
14
287.15
7.2 °'-'
10.31
10.31
10.31
69.86
286.15
6.8'°
10.54
10.54
10.54
64.54
13
286.15
6.9
10.54
10.54
10.54
65.49
13 ' `
286.15
7.2 `
10.54
10.54
10.54
68.33
14
287.15
6.8
10.31
10.31
10.31
65.98
288.15a:
6 9,._�
`. -
10.08
10.08
10.08
68.43
287.15
6.6 ' "
10.31
10.31
10.31
64.04
.• 14°' °
287.15
6:9 ,`
10.31
10.31
10.31
66.95
26 °'
299.15
7.4 .`
8.11
8.11
8.11
91.20
24
297.15
7:6 ::
8.42
8.42
8.42
90.28
25
298.15
.6:9 °`'
8.26
8.26
8.26
83.50
297.15
7 3
` `= `''
r s . .. ° : `
8.42
8.42
8.42
86.72
' 18
291.15
_ 6 9 :
9.47
9.47
9.47
72.88
17 "�
290.15
7 1
9.66
9.66
9.66
73.46
290.15
" 6 9 :
9.66
9.66
9.66
71.39
17 .. ,' ..'
290.15
6'8 ::.
9.66
9.66
9.66
70.36
18
291.15
7.1 °
9.47
9.47
9.47
75.00
24
297.157,.4
`:.`
-
8.42
8.42
8.42
87.90
28 '-
301.15:.
6.9N,
7.83
7.83
7.83
88.15
25 ' .,'
298.15
6:9
8.26
8.26
8.26
83.50
24
297.15
7:2 ' -_
8.42
8.42
8.42
85.53
24
297.15
8.42
8.42
8.42
72.46
24 •"" : °' ,'
297.15
6.8
8.42
8.42
8.42
80.78
25 °
298.15
6 6
8.26
8.26
8.26
79.87
26 • ., - .
299.15
64
8.11
8.11
8.11
78.88
298.15
6.9` - .'
=
8.26
8.26
8.26
83.50
19 '
292.15
6;9-
9.28
9.28
9.28
74.38
>' .21 °
294.15
6.1 '`
"`
8.92
8.92
8.92
68.42
24::.`•'
297.15
8.42
8.42
8.42
72.46
298.15
6 2
8.26
8.26
8.26
75.03
.16
289.15
7 8 - `
: " '
9.87
9.87
9.87
79.02
17,
290.15
' " 7 4
9.66
9.66
9.66
76.57
MJ M 6 4/6/00

In -stream DO Assessment
for NPDES Permit. No. NCO061638
19
292.15
-6.6
9.28
9.28
9.27
71.18
18
291.15
6.3 "
9.47
9.47
9.46
66.57
19
292.15
:6.6
9.28
9.28
9.27
71.18
15 '
288.15
67
::
10.08
10.08
10.08
66.47
A.& "
289.15
6:9 ": °
'
9.87
9.87
9.87
69.93
16
289.15
_
64 ,
9.87
9.87
9.87
64.87
° 15
288.15
6.7.
10.08
10.08
10.08
66.47
7 •
280.15
8.4".` • `
12.14
12.14
12.13
69.22
10 .,
283.15
7.7 . ,
11.29
11.29
11.28
68.24
11,
284.15
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MJM 7 4/6/00

In -stream DO Assessment
for NPDES Permit No. NC0061638
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MJ M 8 4/6/00

In -stream DO Assessment
for NPDES Permit No. NCO061638
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MJ M 11 4/6/00

In -stream DO Assessment
for NPDES Permit No. NCO061638
18
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MJ M 12 4/6/00

u
In -stream DO Assessment
for NPDES Permit No. NC0061638
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13
4/6/00

NPDES PERMIT APPLICATION - SHORT FORM D
To be filed only by dischargers of 100% domestic wastewater (<1 MGD flow)
N. C Department of Environment and Natural Resources
Division of Water Quality / NPDES Unit
P. O. Box 29535, Raleigh, NC 27626-0535
North Carolina NPDES Permit Number I NC00 61638
(if known)
Please print or type
1. Mailing address of applicant:
Facility Name Amherst Waste Water Treatment Plant
Owner Name Nero Utilities, Inc
Street Address 7404K.Chapel Hill Road
City Raleigh
State North Carolina _
ZIF Code 27607
Telephone Number ( 9.19) 851-5335
Fax Number ( 919) 851-9926
e-mail Address
2. Location of facility producing discharge:
Name (If different from above)
Facility Contact Person Glenn D. Ward
Street Address or State Road 7404K, Chapel Hill Road
City / Zip Code Raleiah NC 27607
County Wake
Telephone Number ( 919) 851-5335
3. Reason for application:
Expansion/Modification * Existing Unpermitted Discharge
Renewal x New Facility
* Please provide a description of the expansion/modification:
N.A.
4. Description of the existing treatment facilities (list all installed components with capacities):
Bar screen & comminutor, twelve - 5000 gallon aeration tanks, two - 6200
gallon clarifiers, two -5000 gallon aerated sludge tanks, two - 5000 gallon
surge an a tertiary i er with dual 4' diameter filter cells, a backwash
pump, a tablet chlorinator and dechlorinator tank and post aeration, a recording
floW meter, a feric sulfate feeder, two 148CFM plant blowers, one 32 CFM surge
Pagel of2tank blower, a flow regulator box.
Version 9197

NPDES PERMIT APPLICATION - SHORT FORM D
To be filed only by dischargers of 100% domestic wastewater (<1 MGD flow)
5. Description of wastewater (check all that apply):
Tyke of Facility Generating Wastewater
Industrial Number of Employees
Commercial Number of Employees
Residential X Number of Homes 128
School Number of Students/Staff
Other
Describe the source(s) of wastewater (example: subdivision, mobile home park, etc.):
Subdivision
6. Number of separate wastewater discharge pipes (wastewater outfalls):
One discharge for plant
7. If the facility has multiple discharge outfalls, record the source(s) of wastewater for each outfall:
N.A.
8. Name of receiving water(s) (Provide a map showing the exact location of each outfall):
Middle Creek
I certify that I am familiar with the information contained in the application and
that to the best of my knowledge and belief such information is true, complete, and
accurate.
Glenn D. Ward
Printed Name of Person Signing
President
Title .,
Signature
North Carolina General Statute 143-215.6(b)(2) provides that: Any person who knowingly makes any
false statement representation, or certification in any application, record, report, plan, or other
document files or required to be maintained under Article 21 or regulations of the Environmental
Management Commission implementing that Article, or who falsifies, tampers with, or knowingly
renders inaccurate any recording or monitoring device or method required to be operated or maintained
under Article 21 or regulations of the Environmental Management Commission implementing that
Article, shall be guilty of a misdemeanor punishable by a fine not to exceed $10,000, or by imprisonment
not to exceed six months, or by both. (18 U.S.C. Section 1001 provides a punishment by a fine of not more
than $10,000 or imprisonment not more than 5 years, or both for a similar offense.)
Page 2 of 2 Version 9/97

zoo. 00
NERO UTILITY, INC.
7404-K Chapel Hill Road
Raleigh, North Carolina 2 760 7
Phone: [phone] Fax: [phone]
August 4, 1998
A. Preston Howard, Jr. P.E., Director
Department of Environment
& Natural Resources
P. O. Box 29535
Raleigh, North Carolina 27626-0535
Re: Nero Utility, Inc.
Request for Renewal of NPDES
Permit # NCO061638
Amherst WWTP
Wake County
Dear Mr. Howard,
This is an application for the renewal of the subject Wastewater Disposal Permit for
Amherst Wastewater Treatment Plant. The present authorization is for 0.053 MGD.
The present plant, which was recently expanded and completed July 30, 1998, has a
capacity of 0.046 MGD with 31.3 hours of retention at design flow. The additional
retention will provide additional aeration to reduce the NH3 levels. A dual train layout
was utilized, which gives 30,000 gallons in each plant. In essence, we have two separate
waste treatment plants. Under the present monitoring requirements, only weekly grab
samples are required.
Upon receipt of the NCDEHNR approval to operate the added facilities, our monitoring
requires a composite sampling BOD, total suspended residue, NH3 as N, three times
weekly and total nitrogen, quarterly and phosphorus weekly.
This is a dual train plant not a single train, therefore, it is requested that the new permit
monitoring requirements be as given in the attached recommended "Effluent Limitations
and Monitoring Requirements".

The reason for the request to monitor only once a week on upstream and downstream
samples, is that the flows from Apex, Cary, and Holly Springs empties millions of gallons
per day into Middle Creek, and our 46,000 gallons will have almost nil effect on the fecal
coliform, DO, and temperature of the stream.
If you have any questions, please call me at [phone].
Sincerely,
�l
Glenn D. Ward,
President

�• J
SLUDGE MANAGEMENT PLAN
We have a contract with Wallace Woodall Vacuum Pumping service for the removal of
sludge. Sludge is to be removed upon notification to the contractor by the plant operator.

a
�. O. EFFL.UEN"I' LIMI'I'A'I,IONS AND MONITORING RI-QUIRLMI-NTS SUMMER (April 1 - October 31) Permit No. N000610,,
During the period beginning after expansion above 0.02 MGD and lasting until expiration, the Permittee is authorized to discharge front
outfall(s) serial number 001. Such discharges shall be limited and monitored by the permittee as specified below:
Ettluent CharacterlstIc
Flow
BOD, 5 day, 200C
Total Suspended Residue
NH3 as N
Dissolved oxygen"
Fecal Coliform (geometric mean)
Total Residual Chlorine
Temperature
Total Nitrogen (NO2 + NO3 + TKN)
Total Phosphorus
ivity
Discharge Llmltationt
Monthly Ava Weekly Avg. Daily Max
0.053 MGD
5.0 mg/I 7.5 mg/I
30.0 mg/I 45.0 mg/I
2.0 mg/I
200.0 /100 ml
2.0 mg/I"'
400.0 /100 ml
28.0 Ng/I
Monitoring_
Regulrements
Measurement
Sample
'Sample
Freauency
il"
Location
Continuous
Recording
I or E
-/Weekly
Grab
E
_. / Weekly
Grab
E
j jeWeekry
Grab
E
t %Weekly
Grab
E, U, D
S- WeekW
Grab
E, U,-,D-
3/Week
Grab
E
Daily
Grab
E,
Quarterly
Grab
E
Weekly
Grab
E
.�
Gfab—
447-B
*Sample locations: E - Effluent, I - Influent, U - Upstream at SR 1404, D - Downstream at SR 1375
Upstream and downstream samples shall be grab samples. Stream samples shall be collected
once per wee
** The daily average dissolved oxygen effluent concentration shall not be less than 6.0 mg/l.
*** Compliance shall be based on the quarterly average of weekly samples.
The pH shall not be less that 6.0 standard units nor greater than 9.0 standard units and shall be monitored 3/week at the effluent by grab
sample.
There shall be no discharge of floating solids or visible foam in other than trace amounts.

A. O. EFFLUENT LIMITATIONS AND MONITORING REQUIREMENTS WINTER (November 1 - March 31) Permit No. NCO061638
During the period beginning after expansion above 0.02 MGD and lasting until expiration, the Permittee is authorized to discharge from
outfall(s) serial number 001. Such discharges shall be limited and monitored by the permittee as specified below:
Effluent Characterist(c Discharge Llmitatlow Monitoring
Requirement
Measurement
Sample •Sample
Monthly Avg Weekly Avg. Daily Max Erea,uencv
Tv®e Location
Flow 0.053 MGD Continuous
Recording I or E
BOD, 5 day, 20°C 10.0 mg/I 15.0 mg/I Weekly
Grab E
Total Suspended Residue 30.0 mg/I 45.0 mg/I Weekly
Grab E
NH3 as N 4.0 m g/I Weekly
Grab E
Dissolved Oxygen" Weekly
Grab E, U, D
Fecal Coliform (geometric mean) 200.0 /100 ml 400.0 /100 ml Weekly
Grab E, U, D
Total Residual Chlorine 28.0 µg/I 3/Week
Grab E
Temperature Daily
Grab E,2�pff
Total Nitrogen (NO2 + NO3 + TKN) Quarterly
Grab E
Total Phosphorus 2.0 m g / I ' ' ' Weekly
Grab E
Conductivity
Grab U, D
*Sample locations: E - Effluent, I - Influent, U - Upstream at SR 1404, D - Downstream at SR 1375
Upstream and downstream samples shall be grab samples. Stream samples shall be collected
once per week.dur4 a*6e - --,�;.,:-
, ,
** The daily average dissolved oxygen effluent concentration shall not be less than 6.0 mg/l.
*** Compliance shall be based on the quarterly average of the weekly samples.
The pH shall not be less that 6.0 standard units nor greater than 9.0 standard units and shall be monitored 3/week at the effluent by grab
sample.
There shall be no discharge of floating solids or visible foam in other than trace amounts.

qct-09-98 15:44 GLENN D WARD & ASSOCIATES 919 851 9926 P.O2
f
Pci-mlt No. NC.0061638
Authorization to Construct
AmheI:st Subdivision
January 10, 1997
Page 3
Engnet:r's Ccrtiiic; i 7n
1, aS a duly registered Professional Engineer in the: State of North
Carolina, having. hecn airthorized to observe (i4efie4fweafly, weekly,- tfftim) the construction of the
�7hzrrST �(cb� for thr
projcct.�`}.rr, lame, s t IYW ! P K K g' G0-
11roject Name Location
PerrniUee hereby `Cate 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 the approved plans and specifications.
Signature ��`Y%� Realstration No. _SFLlz
7.
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Fate %i7za
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The Division of Water Quality hereby
acknowledges receipt and acceptance of this Engineers
rtific^l'on
io i 9�