NC0071005_Modification_20180907

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`" ROY COOPER
Governor
_ 1< — MICHAEL S. REGAN
(r 4.. i- Secretary
r ~ ;r
rrLINDA CULPEPPER
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a lnterrm Director
NORTH CAROLINA
Environmental'Quality
September 7, 2018
Ms. Joan Beck
Lynnbrook Estates Homeowners Association
43 Lynnbrook Way
Columbus, NC 28722
Subject: Minor modification of NPDES Permit NC071005
Lynnbrook Estates WWTP
Polk County
Grade II Biological WPCS
Dear Ms. Beck:
The Division has received and reviewed your request to modify the subject permit. The
Division does not object to your request. This modification 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 October 15, 2007 (or as subsequently
amended). Insert the attached pages into your permit and discard the old pages.
This modified permit includes the following changes from your current permit:
➢ Monitoring frequencies have been updated in Section A. (1.) for all parameters except
Ammonia Nitrogen, due to the current facility classification per 15A NCAC 02B .0508.
If any parts, measurement frequencies or sampling requirements contained in this
modification 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 fmal and binding.
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 any other Federal, State, or Local
governmental regulation. If you have any questions concerning this matter, please contact Emily
Phillips at [phone] or via e-mail [[e-mail]].
dir ely, 7
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Linda Culpepper
Interim Director, Division of Water Resources
cc: Central Files
NPDES Unit
State of North Carolina 1 Environmental Quality 1 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 NC0071005
Grade II Biological Water Pollution Control System [15A NCAAC 08G .0302]
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 monitored2 by the Permittee as specified below:
EFFLUENT CHARACTERISTICS LIMITS MONITORING REQUIREMENTS
Monthly Daily Measurement Sample. Sample
Parameter Code Average Maximum Frequency Type Location
Flow 0.009 MGD Weekly Instantaneous Influent or
50050 Effluent
BOD,5-day(20°C) 30.0 mg/L 45.0 mg/L Weekly Grab Effluent
C0310
Total Suspended Solids 30.0 mg/L 45.0 mg/L Weekly Grab Effluent
C0530
NH3 as N Monitor&Report Monthly Grab Effluent
C0610
Fecal Coliform(geometric mean) 200/100 mL 400/100 mL Weekly Grab Effluent
31616
Total Residual Chlorines (TRC) 28 ug/L Weekly Grab Effluent
50060
Temperature Monitor&Report Weekly Grab Effluent
00010
pH Not<6.O nor>9.0
00400 Standard Units Weekly Grab Effluent
Footnote:
1. The Division shall consider all effluent TRC values reported below 50 ig/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 µg/L.
2. The Permittee shall submit discharge monitoring reports electronically using the Division's eDMR -
system [see A. (2.)].
THERE SHALL BE NO DISCHARGE OF FLOATING SOLIDS OR VISIBLE FOAM IN OTHER THAN TRACE
AMOUNTS.
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