HomeMy WebLinkAboutNC0036773_Draft Permit_20191002 ROY COOPER
GUI CI'WI
MICHAEL S. REGAN
LINDA CULPEPPER
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NORTH CAROLINA
Environmental Quality
October 02, 2019
Mr. Charles Nichols
City of Laurinburg
P.O Box 249
Lauringburg,N.C. 28353
Subject: DRAFT NPDES PERMIT NC0036773
Laurinburg WTP
PCNC WPCS [15A NCAC 08G .0306]
Scotland County
Dear Mr. Nichols:
Enclosed with this letter is a copy of the draft permit for your facility. Please review the draft very
carefully to ensure thorough understanding of the conditions and requirements it contains. Your
permit is among several in the Tar Pamlico River Basin that the Division has targeted for expedited
renewal.
This draft contains the following changes from the existing permit:
• HUC and Stream Index#were added to outfall description on supplement to cover page
• Iron monitoring requirements were removed from the effluent characteristics table. There
is no longer an action level standard for iron.
• Manganese monitoring requirements were removed from the effluent characteristics table.
g q
• Turbidity monitoring frequency is reduced to monthly.
• A requirement for monitoring of Aluminum was added to the effluent characteristics table.
This is consistent with the Division's permitting strategy for water treatment plants.
• A review of eDMR data showed that there was reasonable potential for Fluoride and
Copper to exceed water quality standards. A water quality based limit has been put in
place for each of these parameters, along with an increase in monitoring frequency to
Monthly.
• Quarterly effluent and in-stream Hardness monitoring and reporting were added to
the effluent characteristics table. Effluent hardness sampling and instream hardness
sampling is being inserted into all permits with facilities monitoring for hardness-
dependent metals.
• Footnote 3, which specifies correct PQL for Total Copper (2 µg/L), was added to
Part 1. Section A. (1.).
• Footnotes 5, and 6, which pertain to effluent hardness sampling, were added to Part 1.
Section A. (1.).
• The language in section A.(3.)has been updated to be consistent with the finalization
of federal requirements for electronic reporting.
Q)
North Carolina Department of Environmental Quality I Division of Water Resources
1617 Mail Service Center I Raleigh,North Carolina 27699-1617
919-707-9125
• A previous footnote citing the need to sample metals concurrent with WET testing has
been removed—this is no longer required.
• Regulatory citations for permit requirements have been added throughout the permit.
With this notification, the Division will solicit public comment on this draft permit by publishing
a notice in newspapers having circulation in the general Scotland 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 questions concerning the draft,
please contact me via email at [emily.delduco@ncdenr.gov] or call 919-707-9125.
Sincerely,
orite.,3 Lae_
Emily DelDuco
Environmental Specialist II
NPDES Program
cc: NPDES files
ec: WSS Aquatic Toxicity/Cindy Moore
Permit NC0036773
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 provisions 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, the
City of Laurinburg
is hereby authorized to discharge wastewater from a facility located at the
Laurinburg WTP
603 Lauchwood Drive
South of Laurinburg
Scotland County
to receiving waters designated as Big Branch in the Lumber 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 2019.
This permit and authorization to discharge shall expire at midnight on August 31, 2024.
Signed this day
DRAFT
Linda Culpepper, Director
Division of Water Resources
By Authority of the Environmental Management Commission
Page 1of8
Permit NC0036773
SUPPLEMENT TO PERMIT COVER SHEET
All previous NPDES Permits issued to this facility,whether for operation or discharge are hereby revoked,and as of
this 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.
The City of Laurinburg
is hereby authorized to:
1. Continue to operate a conventional Water Treatment Plant With a discharge of wastewater from
media filter-backwash. This water treatment plant currently has a design potable flowrate of 8
MGD and a maximum,monthly average discharge of 0.087 MGD. This facility is located at the
Laurinburg WTP (603 Lauchwood Drive) south of Laurinburg, in Scotland County.
Wastewater treatment includes the following wastewater treatment components:
• Dechlorination
• Flow Measurement
2. Discharge from said treatment works via Outfall 001 at the location specified on the attached
map into Big Branch [Stream Index: 14-33-2-1; HUC: 030402040202], classified C-Swamp
waters in the Lumber River Basin.
44-44
JAN
Page 2 of 8
Permit NC0036773
PART I
A. (1.) EFFLUENT LIMITATIONS AND MONITORING REQUIREMENTS
[15A NCAC 02B.0400 et seq., 02B.0500 et seq.]
Physical Chemical WPCS (grade not classified)
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 monitored'
by the Permittee as specified below:
EFFLUENT CHARACTERISTICS LIMITS MONITORING REQUIREMENTS
Monthly Daily Measurement Sample Type Sample
Location
eDMR Code Average Maximum Frequency
Flow 50050 Continuous Recording Effluent
Total Suspended Solids C0530 30.0 mg/L 45.0 mg/L 2/Month Grab Effluent
pH 00400 >—6.0 and<—9.0 standard units 2/Month Grab Effluent
Total Residual Chlorine2 50060 17 pg/L 2/Month Grab Effluent
Turbidity 00070 Monitor&Report Monthly Grab Effluent
Fluoride 00951 2467 pg/L Monthly Grab Effluent
Total Copper3 01042 10.8 pg/L Monthly Grab Effluent
Total Aluminum 01105 Monitor&Report Quarterly Grab Effluent
Total Nitrogen C0600 Monitor&Report Quarterly Grab Effluent
Total Phosphorous C0665 Monitor&Report Quarterly Grab Effluent
Whole Effluent Toxicity4 TGP3B Monitor&Report Quarterly Grab Effluent
Hardness—Total as 00900 Monitor&Report Quarterly Grab Effluent
[CaCO3 or(Ca+Mg)](mg/L)6
Hardness—Total as 00900 Monitor&Report Quarterly Grab Upstream
[CaCO3 or(Ca+Mg)](mg/L)6
Footnotes:
1. The permittee shall submit discharge monitoring reports electronically using NC DWR's eDMR system. See
Condition A. (3.).
2. The Division shall consider all effluent TRC values reported below 50 ug/I 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/1.
3. Please note that the practical quantitation limit(PQL)for Total Copper is 2 µg/L(per the Inorganic Chemistry Branch
of the Division of Water Resources Water Sciences Section)and monitoring data should be reportable down to these
levels.
4. Chronic Toxicity(Ceriodaphnia dubia) 7-day,pass/fail test at 90%concentration during the months of February,
May,August and November. See condition A. (2.)for details.
5. Effluent hardness sampling should be performed in conjunction with sampling for hardness dependent metals(Copper).
6. The Permittee shall sample instream hardness,upstream of the facility's discharge.The sample shall be representative
of the hardness in the receiving stream.
All samples must be collected from a typical discharge event.
There shall be no discharge of floating solids or visible foam in other than trace amounts.
Page 3 of 8
Permit NC0036773
A. (2.) CHRONIC TOXICITY PASS/FAIL MONITORING(QUARTERLY)
Y)
[15A NCAC 02B.0200]
The permittee shall conduct quarterly chronic toxicity tests using test procedures outlined in the"North
Carolina Ceriodaphnia Chronic Effluent Bioassay Procedure,"Revised December 2010, or subsequent
versions.
The effluent concentration defined as treatment two in the procedure document is 90 %. The testing
shall be performed as a Ceriodaphnia dubia 7-day pass/fail test. The tests will be performed during
the months of February, May,August and November. These months signify the first month of each
three month toxicity testing quarter assigned to the facility. Effluent sampling for this testing must be
obtained during representative effluent discharge and shall be performed at the NPDES permitted final
effluent discharge below all treatment processes.
All toxicity testing results required as part of this permit condition will be entered on the Effluent
Discharge Monitoring Form(MR-1) for the month in which it was performed, using the parameter
code TGP3B. Additionally, DWR Form AT-1 (original) is to be sent to the following address:
Attention: North Carolina Division of Water Resources
Water Sciences Section/Aquatic Toxicology Branch
1621 Mail Service Center
Raleigh, North Carolina 27699-1621
Completed Aquatic Toxicity Test Forms shall be filed with the Water Sciences Section no later than 30
days after the end of the reporting period for which the report is made.
Test data shall be complete and accurate and include all supporting chemical/physical measurements
performed in association with the toxicity tests, as well as all dose/response data. Total residual
chlorine of the effluent toxicity sample must be measured and reported if chlorine is employed for
disinfection of the waste stream.
Should there be no discharge of flow from the facility during a month in which toxicity monitoring is
required,the permittee will complete the information located at the top of the aquatic toxicity(AT)test
form indicating the facility name, permit number,pipe number, county, and the month/year of the
report with the notation of"No Flow"in the comment area of the form. The report shall be submitted
to the Water Sciences Section at the address cited above.
Should the permittee fail to monitor during a month in which toxicity monitoring is required, then
monthly monitoring will begin immediately. Upon submission of a valid test, this monthly test
requirement will revert to quarterly in the months specified above.
Should any test data from this monitoring requirement or tests performed by the North Carolina
Division of Water Resources indicate potential impacts to the receiving stream, this permit may be re-
opened and modified to include alternate monitoring requirements or limits.
NOTE: Failure to achieve test conditions as specified in the cited document, such as minimum control
organism survival,minimum control organism reproduction, and appropriate environmental controls,
Page 4 of 8
Permit NC0036773
shall constitute an invalid test and will require immediate follow-up testing to be completed no later
than the last day of the month following the month of the initial monitoring.
A. (3.) ELECTRONIC REPORTING OF DISCHARGE MONITORING REPORTS
[G.S. 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
• Section E. (5.) Monitoring Reports
1. Reporting Requirements [Supersedes Section D. (2.) and Section E. (5.) (a)]
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 DEQ/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.
Page 5 of 8
Permit NC0036773
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(1)(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)].
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: http://www2.epa.gov/compliance/final-national-pollutant-
discharge-elimination-system-npdes-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://deq.nc.gov/about/divisions/water-resources/edmr
Page 6 of 8
Permit NC0036773
4. Signatory Requirements f 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://deq.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:
"I 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 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 [Supplements 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 7 of 8
Permit NC003 6773
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Latitude:34°45'05" City of Laurinburg i Facility
Longitude:79°27'57"
Quad# H21SW Location
Stream Class: C-Swamp Laurinburg WTP
Subbasin:30755 NPDES Permit NC0036773
Receiving Stream:Big Branch North Scotland County
Page 8 of 8