NC0088668_Draft Permit_20220419

ROY COOPER
Governor
ELIZABETH S. BISER
Secretary
RICHARD E. ROGERS, JR.
Director
Mr. Clint Berry
Hyde County
PO Box 188
Swanquarter, NC 27885-0066
NORTH CAROLINA
Environmental Quality
April 18, 2022
Subject: DRAFT NPDES PERMIT NC0088668
Engelhard WTP Grade
PCNC
[15A NCAC 08G .0306]
Hyde County
Dear Mr. Berry:
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 Cape Fear River Basin that the Division has targeted for expedited renewal.
This draft contains the following changes from the existing permit:
➢ HUC and Stream Index number were added to the outfall description on the supplement to cover
page.
➢ The language in section A.(3) has been updated to be consistent with the finalization of federal
requirements for electronic reporting.
➢ Minor formatting changes
The NPDES standard conditions (Parts II, III, and IV) that are a part of the permit are not included in this
draft document (cover, map, and Part I). The conditions are the same as in your current permit. The latest
version is available at https://bit.ly/2BZ4xxx and can be viewed online or downloaded as a PDF file.
With this notification, the Division will solicit public comment on this draft permit by publishing a notice
in newspapers having circulation in the general Hyde 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 [[e-mail]] or call 919-707-9125.
1:tE
NORTH CAROLINA
Department of Environmental Duali�
Sincerely,
Emily Richards
Environmental Specialist II
NPDES Program
North Carolina Department of Environmental Quality I Division of Water Resources
512 North Salisbury Street 11611 Mail Service Center I Raleigh, North Carolina 27699-1611
919.707.9000

Permit NC0088668
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,
Hyde County
is hereby authorized to discharge wastewater from a facility located at the
Engelhard Reverse Osmosis WTP
13692 North Lake Road
Engelhard, NC
Hyde County
to receiving waters designated as Far Creek in the Tar -Pamlico 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 DRAFT
This permit and authorization to discharge shall expire at midnight on November 30, 2026.
Signed this day DRAFT
Richard E. Rogers, Jr.
Director, Division of Water Resources
By Authority of the Environmental Management Commission
Page 1 of 8

Permit NC0088668
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.
Hyde County
is hereby authorized to:
1. Continue to operate a Reverse Osmosis (RO) Water Treatment Plant with a discharge of RO
concentrate wastewater. This facility currently has a potable design capacity of 0.300 MGD and a
maximum, monthly average wastewater discharge in the most recent three years of 0.034 MGD. This
facility is located at 13692 North Lake Road, Engelhard, NC in Hyde County, and water and
wastewater treatment consist of:
- Influent anti -scaling and chemical treatment systems
Influent cartridge filter
- Reverse Osmosis unit with booster pump
Concentrate flow meter with recorder
- Submerged single port diffuser with connecting pressure piping.
2. Discharge from said treatment works into Far Creek (Stream Index #: 29-70-(4); HUC:
030201050301), currently classified SA, HQW waters in the Tar -Pamlico River Basin, at the location
specified on the attached map.
Page 2 of 8

Permit NC0088668
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 until expiration, the Permittee is
authorized to discharge Reverse Osmosis concentrate wastewater through a submerged, single port
diffuser in Outfall 001. Such discharges shall be limited and monitored 1 by the Permittee as specified
below:
EFFLUENT
CHARACTERISTICS
LIMITS
MONITORING REQUIREMENTS
Monthly
Average
Daily
Maximum
Measurement
Frequency
Sample
Type
Sample
Location 2
Flow
Daily
Continuous
E
pH
Not greater than 8.5 S.U.
nor less than 6.8 S.U.
2/ Month
Grab
E
pH, S.U.
Quarterly
Grab
U, D
Dissolved Oxygen, mg/L
Monthly
Grab
E, U, D
Ammonia as Nitrogen, mg/L
Monthly
Grab
E
Ammonia as Nitrogen, mg/L
Quarterly
Grab
U, D
Salinity, ppt
Quarterly
Grab
E, U, D
Conductivity, µmhos/cm
Quarterly
Grab
E, U, D
Temperature, °C
Quarterly
Grab
U, D
Turbidity, NTU
Quarterly
Grab
E
Total Nitrogen (TN), mg/L
TN= (NO2-N + NO3-N) + TKN
Quarterly
Grab
E
Total Phosphorus, mg/L
Quarterly
Grab
E
Chronic Toxicity 3
Quarterly
Grab
E
Footnotes:
1. The permittee shall submit discharge monitoring reports electronically using NC
DWR's eDMR system. See Special Condition A. (3).
2. E = Effluent, U = 33 feet Upstream from the diffuser discharge location, D= 33 feet
Downstream of the diffuser discharge location.
3. Chronic Whole Effluent Toxicity Testing using Mysid Shrimp at 1.9%; February, May,
August and November; refer to Special Condition A. (2). Toxicity sample shall be taken
in conjunction with all other quarterly samples.
4. All samples collected shall be taken during a representative discharge event.
5. There shall be no discharge of floating solids or visible foam in other than trace amounts.
6. The diffuser shall be operated in sufficient water depth and in a method such as not to
create surface turbulence.
Page 3 of 8

Permit NC0088668
A. (2) CHRONIC TOXICITY MONITORING (Quarterly)
[15A NCAC 02B .0500 et seq.]
The effluent discharge shall at no time exhibit observable inhibition of reproduction or significant
mortality to Mysidopsis bahia at an effluent concentration of 1.9%.
The permit holder shall perform at a minimum, quarterly monitoring using procedures described below
to establish compliance with the permit condition. 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. The test procedure will be based on EPA Method 1007.0, Mysid,
Mysidopsis bahia, Survival, Growth, and Fecundity Test, as described in Short -Term Methods for
Estimating the Chronic Toxicity of Effluents and Receiving Waters to Marine and Estuarine Organisms,
Third Edition, EPA-821-R-02-014. The procedure will be performed as written with the following
exceptions:
• The test treatments will consist of a control and a 1.9% effluent concentration.
• Mortality for pass/fail tests will be evaluated using the t test described in Section 11.3 in
Methods for Measuring the Acute Toxicity of Effluents to Freshwater and Marine
Organisms, Fifth Edition. EPA-821-R-02-012, October 2002, applying an alpha level
of 0.05.
• The growth endpoint for pass/fail tests will be determined using Appendix G of Short -
Term Methods for Estimating the Chronic Toxicity of Effluents and Receiving Waters to
Marine and Estuarine Organisms, Third Edition, EPA-821-R-02-014, October 2002,
applying an alpha level of 0.01.
• Mortality and growth endpoints for multiple -concentration tests will be determined using
hypothesis testing as described in EPA Method 1007.0, Mysid, Mysidopsis bahia,
Survival, Growth, and Fecundity Test, as described in Short -Term Methods for
Estimating the Chronic Toxicity of Effluents and Receiving Waters to Marine and
Estuarine Organisms, Third Edition, EPA-821-R-02-014, October 2002.
• Fecundity will not be evaluated.
All toxicity testing results required as part of this permit condition will be entered electronically using
the Division's eDMR system for the months in which tests were performed. For pass/fail results, report
using the parameter code TGP3E and the DWR Form AT-4 (original), which is to be sent to the address
below.
Attention: North Carolina Division of Water Resources
Water Sciences Section/Aquatic Toxicology Branch
1621 Mail Service Center
Raleigh, North Carolina 27699-1621
Or, results can be sent to the email, [e-mail].
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.
Page 4 of 8

Permit NC0088668
(Continued A. (2) CHRONIC TOXICITY MONITORING)
Test data shall be complete, accurate, include all supporting chemical/physical measurements and all
concentration/response data, and be certified by laboratory supervisor and ORC or approved designate
signature. 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, monitoring
will be required during the following month. 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,
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.
Page 5 of 8

Permit NC0088668
A. (3) ELECTRONIC REPORTING OF 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)1
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. The eDMR system may be
accessed at: https://deq.nc.gov/about/divisions/water-resources/edmr.
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 following address:
NC DEQ / Division of Water Resources / Water Quality Permitting Section
ATTENTION: Central Files
1617 Mail Service Center
Raleigh, North Carolina 27699-1617
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, 2025, 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.
Page 6 of 8

Permit NC0088668
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: https://www.federalregister.gov/documents/2015/10/22/2015-24954/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
4. Signatory Requirements]Supplements Section B. (11.) (b) and Supersedes Section B. (11.)
cLal
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:
Page 7 of 8

Permit NC0088668
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.)1
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

USGS Quad: E35SW Engelhard East, NC
Outfall Facility
Latitude: 35° 30' 45.1" N
Longitude: 75° 58' 54.3" W
Stream Class: SA, HQW
Subbasin: 03-03-08 HUC: 03020105
Receiving Stream: Far Creek
Downstream
35°30'51.7"N
75° 59' 19.3" W
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NC0088668
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Engelhard WTP NC0088668
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