NC0047384_Pretreatment_IUP_Platers01_Renewal_20240509

CITY OF GREENSBORO
WATER RESOURCES DEPARTMENT
INDUSTRIAL WASTE SECTION
SIGNIFICANT INDUSTRIAL USER
WASTEWATER DISCHARGE PERMIT
SIU PERMIT NUMBER P020
GREENSBORO INDUSTRIAL PLATERS 01
IS AUTHORIZED TO DISCHARGE WASTEWATER
FROM A FACILITY LOCATED AT
725 KENILWORTH STREET
GREENSBORO, NORTH CAROLINA
into the City of Greensboro Sanitary Sewer System
to the T.Z. OSBORNE Water Reclamation Facility
[NPDES PERMIT NUMBER NCO0473841
in accordance with the limitations and conditions set forth in this permit.
This permit shall become effective
SEPTEMBER 12, 2023
This permit and the authorization to discharge shall
expire at midnight on
AUGUST 31, 2028
or upon permit reissuance,whichever comes first.
V L � Lt✓ ��• d
Amy Var oski Date
Pretreatment Coordinator

Page 3, SIU Permit#P020
GREENSBORO INDUSTRIAL PLATERS 01
Effective September 12, 2023
SECTION I—PERMIT MODIFICATION HISTORY
DATE MODIFIED REASON & DESCRIPTION OF MODIFICATION OR ACTION
March 30, 1998 PERMIT RENEWAL
May 1, 2003 PERMIT RENEWAL
PERMIT CORRECTION/MODIFICATION
May 9, 2003 Process wastewater from copper electroplating deleted as wastestream
is no longer present
PERMIT RENEWAL
May 1, 2008 Cadmium limit changed from daily maximum of 1.2 mg/1 and monthly
average of 0.7 mg/l to only a daily maximum of 0.2 mg/l.
PERMIT MODIFICATION
July 1, 2008 Section IV. A TTO Certification—Added dates for submittal of TTO
Certification and POTW Sampling
PERMIT MODIFICATION
May 15, 2010 Clarify flow meter reading and no discharge requirement for Chrome
Department; pg. 6 IV.C. Flow measurement.
PERMIT MODIFICATION
Page 5, Section II1, Changed minimum sampling requirement for City;
July 1, 2011 Page 6, Section IV.B.-Added requirement for minimum once per
calendar year calibration of incoming process meter by independent
contractor;
PER RENEWAL
May 1, 2013 Flow limit changed from 5000 gpd to 4000 gpd at request of SIU; No
other limit changes in permit; 2013 Permit language revisions;
Changed TTO certification submittal dates.
PERMIT MODIFICATION
Section IV. - Modified Special Condition A(TTO); Added Special
August 1, 2013 Condition D (Slug/Spill Control Plan); Section III-Added TTO
sampling frequency and sample type for POTW; All changes per DWQ
guidance.
Modified permit cover page—changed receiving POTW to T.Z.
October 6, 2017 Osborne and administratively extended expiration date to August 31,
2018
PERMIT RENEWAL
September 1, 2018 Special Conditions Changes: Added Flow Measurement Calibration/
Verification Section; Modified Flow Language; Modified Total Toxic
Organics Certification language; Modified Zero Discharge language.
November 5, 2018 Technical Correction Page 5: Changed "New Source Metal Finishing"
to Job Shop Discharging Less than 10,000 GPD
September 1, 2023 PERMIT RENEWAL
September 12, 2012 PERMIT MODIFICATION
Cover page modified to correct expiration date to August 31, 2028.
September 12, 2023 Permit Allodification