NC0020401_Permit (Modification)_20130412

NPDES DOCUWEMT SCANNIM& COVER SHEEN
NPDES Permit: NC0020401
Hickory - Northeast WWTP
Document Type: Permit Issuance
Wasteload Allocation
Authorization to Construct (AtC)
f Permit Modification
Speculative Limits
201 Facilities Plan
Instream Assessment (67B)
Environmental Assessment (EA)
Permit
History
Document Date: Aril 12, 2013
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North Carolina Department of Environment and Natural Resources
Division of Water Quality
Pat McCrory Charles Wakild, P. E. John E, Skvarla, III
Governor Director Secretary
April 12, 2013
Mr. Mick W. Berry, City Manager
City of Hickory
P.O. Box 398
Hickory, North Carolina 28603
Subject: NPDES Permit Modification
Permit No. NC0020)401
Hickory- Northeast WWTP
Facility Class IV
Catawba County
Dear Mr. Berry:
In accordance with your request for modification of the treatment components of the
Hickory-Northeast WWTP, the NPDES staff has reviewed the permit and accordingly, we are
forwarding herewith this modification to the subject permit.
Please find enclosed the amended NPDES supplement to cover permit sheet and the old
page should be discarded. 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.
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, Post Office Drawer 27447, Raleigh, North Carolina
27611-7447. Unless such a demand is made, this permit shall be final and binding.
Please take notice that this permit is not transferable. Part II, EA. addresses the
requirements to be followed in case of change in ownership or control of this discharge.
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1617 Mail Service Center,Raleigh,North Carolina 27699-1617
Location:612 N.Salisbury St.Raleigh,North Carolina 27604
Phone:[phone] FAX:[phone]
Internet:www.ncwatemalltv.orp One
An Equal Opportunity V Affirmative Action Employer NorthCarolina
;Vatumllry

Mr. Berry
April 12, 2013 ,.
Page 2 of 2 !♦
If you have any questions or need additional information, please contact Jacquelyn M.
Nowell at telephone number [phone] or [e-mail].
Sincerely,
0arl es uw�--Wakild, PE
Attachments
cc: EPA Region IV (ecopy)
Mooresville Regional Office/Surface Water Protection Section
PERCS/Attn: Deborah Gore (ecopy)
Aquatic Toxicology Unit/Attn: Susan Meadows (ecopy)
Central Files
NPDES File

Permit Number NC0020401
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.
City of Hickory, is hereby authorized to:
1. Continue operation of a 6.0 MGD wastewater treatment plant consisting of the
following treatment units:
• Influent sampler
• Parshall flume
• Dual influent bar screens
• Influent Pump Station
• Vortex Grit Removal System
• Four (4) anaerobic basins
• Two (2) anoxic basins
• Two (2) oxidation ditches (total volume - 4,440,000 gallons)
• Three (3) circular secondary clarifiers
• Chlorine disinfection
• Dechlorination
• Post aeration
• Two (2) gravity belt thickeners
• Five (5) sludge holding tanks
• Effluent sampler
The facility is located at the City of Hickory Northeast WWTP, 310 Cloninger Mill
Road, Hickory, Catawba County, and;
2. Discharge treated wastewater from said treatment works at the location specified on
the attached map through outfall 001 into Catawba River (Lake Hickory), which is
classified WS-V and B water, in the Catawba River Basin.

Nowell, Jackie
From: Kevin Greer[[e-mail])
Sent: Friday, February 15, 2013 1:37 PM
To: Nowell, Jackie
Subject: KBG NEWWTP Permit Renewal Feb 2013 Plant Description.doc
Attachments: KBG NEWWTP Permit Renewal Feb 2013 Plant Description.doc
Good afternoon Jackie.
Attached please find a Word document that list the Permitted and the Upgraded Facility in columns side by side. I hope
this is easy to read. I left blanks in the row under each column if it didn't have a direct replacement. Thank you so much
for talking with me on this earlier.
Please let me know if you have any questions and I will do my best to respond.
Have a Great Weekend!
Thanks
Kevin B. Greer, PE
City of Hickory Public Utilities
I

i
Supplemental To Permit Cover Sheet for NEWWTP.
Existing Permit Description Upgraded Actual Description
Influent Sampler Influent Sampler
Parshall Flume Parshall Flume
Dual Influent Bar Screen Dual Influent Bar Screen
Influent Pump Station
Grit Chamber Vortex Grit Removal System
4 Rectangular& 1 Circular Primary Clarifiers
Four Anaerobic Basins
Two Anoxic Basins
8 Aeration Basins (TV: 2 MG) 2 Oxidation Ditches (TV: 4.44 MG)
2 Circular Secondary Clarifiers 3 Circular Secondary Clarifiers
Chlorine Disinfection Chlorine Disinfection
Dechlorination Dechlorination
Post Aeration Post Aeration
2 Gravity Belt Thickeners 2 Gravity Belt Thickeners
I Sludge Holding Tank 5 Sludge Holding Tanks
Effluent Sampler

I
Nowell, Jackie
From: Nowell, Jackie
Sent: Thursday, March 07, 2013 4:37 PM
To: 'Kevin Greer
Subject: RE: KBG NEWWTP Permit Renewal Feb 2013 Plant Description.doc
Hello Mr. Greer, below is what I will be placing on the supplement to cover page. Please review that is correct. Thank
you. Jackie Nowell
City of Hickory, is hereby authorized to:
1. Continue operation of a 6.0 MGD wastewater treatment plant consisting of the following
treatment units:
• Influent sampler
• Parshall flume
• Dual influent bar screens
• Influent Pump Station
• Vortex Grit Removal System
• Four (4) anaerobic basins
• Two (2) anoxic basins
• Two (2) oxidation ditches (total volume — 4,440,000 gallons)
• Three (3) circular secondary clarifiers
• Chlorine disinfection
• Dechlorination
• Post aeration
• Two (2) gravity belt thickeners
• Five (5) sludge holding tanks
• Effluent sampler
From: Kevin Greer [ma Oto:kgreer(ahickorync,gov]
Sent: Friday, February 15, 2013 1:37 PM
To: Nowell, Jackie
Subject: KBG NEWWTP Permit Renewal Feb 2013 Plant Description.doc
Good afternoon Jackie.
Attached please find a Word document that list the Permitted and the Upgraded Facility in columns side by side. I hope
this is easy to read. I left blanks in the row under each column if it didn't have a direct replacement. Thank you so much
for talking with me on this earlier.
Please let me know if you have any questions and I will do my best to respond.
Have a Great Weekend!
Thanks
Kevin B. Greer, PE
City of Hickory Public Utilities