HomeMy WebLinkAboutNC0060577_Draft Permit_20180220Wa ter Resources
ENVIRONMENTAL QUALITY
ROY COOPER
Gorernor
MICHAEL S. REGAN
Secretary
LINDA CULPEPPER
Intenm Directo3
February 20, 2018
Mr. Shannon V. Becker
Aqua North Carolina, Inc.
202 Mackenan Court
Cary, NC 27511
Subject: Draft NPDES Permit NCO060577
Beachwood WWTP
Wake County
Class WW -2
Dear Permittee:
The Division has reviewed your request to renew the subject permit. Please review this draft
carefully to ensure your thorough understanding of the information, conditions, and
requirements it contains.
The draft permit includes the following significant changes from the existing permit:
➢ Section A. (5.) has been added to require electronic submission of effluent data.
Federal regulations require electronic submittal of all discharge monitoring
reports (DMRs).
➢ Regulatory citations have been added to the permit.
➢ An updated outfall map has been included.
With this notification, the Division will solicit public comment on this draft permit by
publishing a notice in newspapers having circulation in the general Wake County area, per
EPA requirements. Please provide your comments, if any, to me no later than 30 days
after receiving this draft permit.
Following the 30 -day public comment period, the Division will review all pertinent comments
and take appropriate action prior to issuing a final permit. If you have any questions
concerning this permit, please contact Emily Phillips at (919) 807-6479.
cc: NPDES files
Sincer ,
Emily Phillips
Compliance and Expedited Permitting Unit
State of North Carolina I Environmental Quality I Water Resources
1617 Mail Service Center I Raleigh, NC 27699-1617
919 807 6300 919-807-6389 FAX
https //deq nc gov/about/divisions/water-resources/water-resources-permits/wastewater-branch/npdes-wastewater-permits
Permit NCO060577
STATE OF NORTH CAROLINA
DEPARTMENT OF ENVIRONMENTAL QUALITY
DIVISION OF WATER RESOURCES
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,
Aqua North Carolina, Inc.
is hereby authorized to discharge wastewater from a facility located at the
Beachwood Subdivision WWTP
Off of Old Milburnie Road (NCSR 2217)
East of Raleigh
Wake County
to receiving waters designated as the Neuse River 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
This permit and authorization to discharge shall expire at midnight on
March 31, 2023.
Signed this day
DRAFT
Linda Culpepper
Interim Director, Division of Water Resources
By Authority of the Environmental Management Commission
Page 1 of 8
Permit NCO060577
SUPPLEMENT TO PERMIT COVER SHEET
All previous NPDES Permits issued to this facility, whether for operation or discharge are
hereby revoked. As of this permit issuance, any previously issued permit bearing this number
is no longer effective. Therefore, the exclusive authority to operate and discharge from this
facility arises under the permit conditions, requirements, terms, and provisions included
herein.
Aqua North Carolina, Inc.
is hereby authorized to:
1. Continue to operate an existing 0.1 MGD wastewater treatment system that
includes the following components:
➢ Two 300-gpm influent pumps
➢ 15,000 -gallon equalization tank
➢ 125,000 -gallon aeration tank
➢ 33,400 -gallon clarifier
➢ 22,500 -gallon sludge holding tank
➢ Three aeration blowers
➢ Ultraviolet disinfection unit
➢ Post -aeration
➢ Flow recorder
The facility is located east of Raleigh at the Beachwood Subdivision WWTP, off of
Old Milburnie Road (NC SR 2217), in Wake County.
2. Discharge from said treatment works at the location specified on the attached
map into the Neuse River, classified C; NSW waters in the Neuse River Basin.
Page 2 of 8
Permit NCO060577
Part I.
A. (1.) EFFLUENT LIMITATIONS AND MONITORING REQUIREMENTS
[15A NCAC 02B .0400 et seq., 02B .0500 et seq.]
During the period beginning on the effective date of this permit and lasting until
expiration, the Permittee is authorized to discharge from outfall 001. Such discharges
shall be limited and monitored6 by the Permittee as specified below:
EFFLUENT CHARACTERISTICS
LIMITS
MONITORING REQUIREMENTS
Monthly Daily
Measurement
Sample
Sample
Parameter Code
Average Maximum
Frequency
Type
Location
Flow 50050
0.1 MGD
Continuous
Recording
Effluent
Total Monthly Flow (TMF) 2 82220
Monitor & Report (MGM)
Monthly
Calculatel
Effluent
BOD, 5 -day (20°C) C0310
7 5 mg/L
11.25 mg/L
Weekly
Composite
Effluent
(April 1- October 31
BOD, 5 -day (20°C)
(November 1 - March C0310
15.0 mg/L
22.5 mg/L
Weekly
Composite
Effluent
31
Total Suspended Solids (TSS) C0530
30.0 mg/L
45.0 mg/L
Weekly
Composite
Effluent
NH3 as N C0610
(April 1- October 31
1.0 mg/L
5.0 mg/L
Weekly
Composite
Effluent
NH3 as N
(November 1- March C0610
2 0 mg/L
10.0 mg/L
Weekly
Composite
Effluent
31
Fecal Coliform
31616
200 / 100 ml
400/100
Weekly
Grab
Effluent
(geometric mean
ml
Dissolved Oxygen 3 00300
Weekly
Grab
Effluent
Temperature (°C) 00010
Monitor & Report
Daily
Grab
Effluent
Total Kjeldahl Nitrogen (TKN) 00625
Monitor & Report (mg/L)
2/Month
Composite
Effluent
Nitrite/Nitrate Nitrogen 00630
Monitor & Report (mg/L)
2/Month
Composite
Effluent
NO2-N + NO3-N
Total Nitrogen (TN) 4
(NO2-N + NO3-N) + C0600
Monitor & Report (mg/L)
2/Month
Calculated
Effluent
TKN
TN Load 2,4,5 QM600
Monitor & Report (lb/mo)
Monthly
Calculated
Effluent
TMF x TN x 8.34 QY600
Monitor & Report (lbs/yr)
Annually
Calculated
Effluent
Total Phosphorus (TP) C0665
Monitor & Report (mg/L)
2/Month
Composite
Effluent
pH 00400
X6.0 & 59.0 std. units
Weekly
Grab
Effluent
Footnotes:
1. The daily flow is measured by a recorder and reported on the discharge monitoring report (DMR).
A calculated monthly average of the reported daily rate based only on the days a flow is reported
Page 3 of 8
Permit NCO060577
on the DMR. The summation of the reported daily flows in a given month (TMF) are reported on
the DMR.
2. See A. (2) for calculation and reporting requirements.
3. The daily average dissolved oxygen effluent concentration shall not be less than 6.0 mg/L.
4. For a given wastewater sample, TN = TKN + NO2-N + NO3-N, where TN is Total Nitrogen, TKN is
Total Kjeldahl Nitrogen, and NO2-N and NO3-N are Nitrate and Nitrite Nitrogen, respectively.
5. TN Load is the mass quantity of Total Nitrogen discharged in a given period of time.
6. The Permittee shall submit discharge monitoring reports electronically using the Division's eDMR
system [see A. (5.)].
See Condition A. (4.) for instructions should the facility's permitted UV system fail and an alternate
means of disinfection is required. Total Residual Chlorine monitoring requirements and limits are
applicable if chlorine compounds are used for disinfection.
There shall be no discharge of floating solids or visible foam in other than trace amounts.
A. (2.) CALCULATION OF TOTAL NITROGEN LOADS
[G.S. 143-215.1(b)]
a. The Permittee shall calculate monthly and annual TN Loads as follows:
LMonthly TN Load (pounds/month) = TN x TMF x 8.34
Where:
TN = average TN concentration (mg/L) of the composite samples collected
during the month
TMF = Total Monthly Flow of wastewater discharged during the month
(MG/month)
8.34 = conversion factor, from (mg/L x MG) to pounds
ii. Annual TN Load (pounds/year) = Sum of the 12 Monthly TN Loads for
the calendar year
b. The Permittee shall report monthly Total Nitrogen results (mg/L and
pounds/month) in the discharge monitoring report for that month and shall
report each year's annual results (pounds/year) in the December report for
that year.
A. (3.) TOTAL NITROGEN ALLOCATIONS
[G.S.143-215.1(b)]
a. The following table lists the Total Nitrogen (TN) allocation(s) assigned to, acquired by,
or transferred to the Permittee in accordance with the Neuse River nutrient
management rule (T15A NCAC 02B .0234) and the status of each as of permit
issuance. For compliance purposes, this table does not supercede any TN limit(s)
established elsewhere in this permit or in the NPDES permit of a compliance
association of which the Permittee is a Co -Permittee Member.
Page 4 of 8
Permit NCO060577
ALLOCATION
ALLOCATION AMOUNT (1)
SOURCE
DATE
STATUS
Estuary (Ib/yr)
Discharge (Ib/yr)
.TYPE
Base
Assigned by Rule
12/7/97;
1,011
2,022
Active
(T1 5A NCAC 02B .0234)
4/1/03
TOTAL
1,011
2,022
Active
Footnote: (1) Transport Factor = 50%
b. Any addition, deletion, or modification of the listed allocation(s) (other than to correct
typographical errors) or any change to Active status of any of the listed allocations shall
be considered a major modification of this permit and shall be subject to the public
review process afforded such modifications under state and federal rules.
A. (4.) TEMPORARY MEANS OF DISINFECTION
[G.S. 143-215.1(a)]
In the event that the wastewater treatment plant's ultraviolet (UV) disinfection system
should fail, underperform, or otherwise be removed from effective service, the permittee or
his agent should immediately inform the Surface Water Protection Section staff of the
Raleigh Regional Office of this development and discuss temporary, alternate means for
disinfection of the effluent.
If chlorine compounds are used as temporary means of disinfection, the total residual
chlorine (TRC) concentration of the effluent must be monitored on a daily basis while this
method of disinfection is in use and values must be reported on the discharge monitoring
report. TRC in the effluent may not exceed 28 µg/ L; therefore, dechlorination methods may
also be necessary to ensure protection of water quality in the receiving stream.
In the event that TRC monitoring should occur, the Division shall consider all effluent TRC
values reported below 50 lig/L to be in compliance with the permit. However, the Permittee
shall continue to record and submit all values reported by a North Carolina certified
laboratory (including field certified), even if these values fall below 50 ug/L.
Use of a disinfection system other than the permitted UV system during circumstances not
deemed as emergency and/or temporary (replacement of lamps, lamp cleaning or
maintenance, etc.) will be considered a violation of the terms of this permit.
A. (5.) ELECTRONIC REPORTING OF DISCHARGE MONITORING REPORTS
[NCGS 143-215.1 (b)]
Federal regulations require electronic submittal of all discharge monitoring reports (DMRs)
and program reports. The final NPDES Electronic Reporting Rule was adopted and became
effective on December 21, 2015.
NOTE: This special condition supplements or supersedes the following sections within Part
II of this permit (Standard Conditions for NPDES Permits):
Section B. (11.) Signatory Requirements
Section D. (2.) Reporting
Section D. (6.) Records Retention
Page 5 of 8
Permit NCO060577
• Section E. (5.) Monitoring Reports
1. Reporting Requirements [Supersedes Section D. (2.) and Section E. (5.) (all
The permittee shall report discharge monitoring data electronically using the NC DWR's
Electronic Discharge Monitoring Report (eDMR) internet application.
Monitoring results obtained during the previous month(s) shall be summarized for each
month and submitted electronically using eDMR. The eDMR system allows permitted
facilities to enter monitoring data and submit DMRs electronically using the internet.
Until such time that the state's eDMR application is compliant with EPA's Cross -Media
Electronic Reporting Regulation (CROMERR), permittees will be required to submit all
discharge monitoring data to the state electronically using eDMR and will be required to
complete the eDMR submission by printing, signing, and submitting one signed original
and a copy of the computer printed eDMR to the following address:
NC DENR / Division of Water Resources / Water Quality Permitting Section
ATTENTION: Central Files
1617 Mail Service Center
Raleigh, North Carolina 27699-1617
If a permittee is unable to use the eDMR system due to a demonstrated hardship or due
to the facility being physically located in an area where less than 10 percent of the
households have broadband access, then a temporary waiver from the NPDES electronic
reporting requirements may be granted and discharge monitoring data may be
submitted on paper DMR forms (MR 1, 1. 1, 2, 3) or alternative forms approved by the
Director. Duplicate signed copies shall be submitted to the mailing address above. See
"How to Request a Waiver from Electronic Reporting" section below.
Regardless of the submission method, the first DMR is due on the last day of the month
following the issuance of the permit or in the case of a new facility, on the last day of
the month following the commencement of discharge.
Starting on December 21, 2020, the permittee must electronically report the following
compliance monitoring data and reports, when applicable:
• Sewer Overflow/Bypass Event Reports;
• Pretreatment Program Annual Reports; and
• Clean Water Act (CWA) Section 316(b) Annual Reports.
The permittee may seek an electronic reporting waiver from the Division (see "How to
Request a Waiver from Electronic Reporting" section below).
2. Electronic Submissions
In accordance with 40 CFR 122.41(l)(9), the permittee must identify the initial recipient
at the time of each electronic submission. The permittee should use the EPA's website
resources to identify the initial recipient for the electronic submission.
Initial recipient of electronic NPDES information from NPDES-regulated facilities means
the entity (EPA or the state authorized by EPA to implement the NPDES program) that is
the designated entity for receiving electronic NPDES data [see 40 CFR 127.2(b)].
Page 6 of 8
Permit NCO060577
EPA plans to establish a website that will also link to the appropriate electronic reporting
tool for each type of electronic submission and for each state. Instructions on how to
access and use the appropriate electronic reporting tool will be available as well.
Information on EPA's NPDES Electronic Reporting Rule is found at:
https: / /www.federalregister.gov/documents/2015/ 10/22/2015-24954/national-pollutant-
discharge- elimination- system-np des -electronic -reporting -rule
Electronic submissions must start by the dates listed in the "Reporting Requirements"
section above.
3. How to Request a Waiver from Electronic Reporting
The permittee may seek a temporary electronic reporting waiver from the Division. To
obtain an electronic reporting waiver, a permittee must first submit an electronic
reporting waiver request to the Division. Requests for temporary electronic reporting
waivers must be submitted in writing to the Division for written approval at least sixty
(60) days prior to the date the facility would be required under this permit to begin
submitting monitoring data and reports. The duration of a temporary waiver shall not
exceed 5 years and shall thereupon expire. At such time, monitoring data and reports
shall be submitted electronically to the Division unless the permittee re -applies for and
is granted a new temporary electronic reporting waiver by the Division. Approved
electronic reporting waivers are not transferrable. Only permittees with an approved
reporting waiver request may submit monitoring data and reports on paper to the
Division for the period that the approved reporting waiver request is effective.
Information on eDMR and the application for a temporary electronic reporting waiver
are found on the following web page:
http: / /deg.nc.gov/about/divisions/water-resources/edmr
4. Signatory Requirements [Supplements Section B. (11.) (b) and Supersedes Section
B. (11.) (d)1
All eDMRs submitted to the permit issuing authority shall be signed by a person
described in Part II, Section B. (11.) (a) or by a duly authorized representative of that
person as described in Part II, Section B. (11.) (b). A person, and not a position, must be
delegated signatory authority for eDMR reporting purposes.
For eDMR submissions, the person signing and submitting the DMR must obtain an
eDMR user account and login credentials to access the eDMR system. For more
information on North Carolina's eDMR system, registering for eDMR and obtaining an
eDMR user account, please visit the following web page:
http: / /deg.nc.gov/about/divisions/water-resources/edmr
Certification. Any person submitting an electronic DMR using the state's eDMR system
shall make the following certification [40 CFR 122.22]. NO OTHER STATEMENTS OF
CERTIFICATION WILL BE ACCEPTED:
7 certify, under penalty of law, that this document and all attachments were prepared
under my direction or supervision in accordance with a system designed to assure that
Page 7 of 8
Permit NCO060577
qualified personnel properly gather and evaluate the information submitted. Based on my
inquiry of the person or persons who manage the system, or those persons directly
responsible for gathering the information, the information submitted is, to the best of my
knowledge and belief, true, accurate, and complete. I am aware that there are significant
penalties for submitting false information, including the possibility of fines and
imprisonment for knowing violations. "
5. Records Retention fSupplements Section D. (6.)]
The permittee shall retain records of all Discharge Monitoring Reports, including eDMR
submissions. These records or copies shall be maintained for a period of at least 3
years from the date of the report. This period may be extended by request of the
Director at any time [40 CFR 122.41].
Page 8 of 8
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Aqua North Carolina, Inc.
Beachwood WWTP
Receiving Stream: Neuse River
Latitude: 352 47' 55" N Stream Class: C, NSW
Longitude: 782 32' 24" W Sub -basin: 03-04-02
Facility
Location
(not to scale)
NPDES Permit NC0060577
North Wake County