NC0020401_Inspection_20211220

ROY COOPER
Governor
DIONNE DELLI-GATTI
Secretary
S. DANIEL SMITH
Director
Shawn Pennell
Public Utilities Director
City of Hickory
Post Office Box 398
Hickory, NC 28603
Dear Mr. Pennell:
NORTH CAROLINA
Environmental Quality
December 20, 2021
SUBJECT: Pretreatment Compliance Inspection
City of Hickory
NPDES Permit No. NC0020401
Catawba County
Enclosed is a copy of the Pretreatment Compliance Inspection report for the inspection of the City of Hickory's approved
Industrial Pretreatment Program on December 14, 2021, by Mr. Wes Bell of this Office. Please advise the Pretreatment staff of
our findings by forwarding a copy of the enclosed report.
The report should be self-explanatory; however, should you have any questions concerning this report, please do not
hesitate to contact Mr. Bell at [phone] or via email at [e-mail].
Enclosure:
Inspection Report
NORTH CPPOLINA
OE
Sincerely,
DocuSigned by:
A14CC681AF27425...
W. Corey Basinger, Regional Supervisor
Water Quality Regional Operations Section
Mooresville Regional Office
Division of Water Resources, NCDEQ
North Carolina Department of Environmental Quality I Division of Water Resources
Mooresville Regional Office 1610 East Center Avenue. Suite 301 I Mooresville. North Carolina 28115
704.663.1699

NORTH CAROLINA DIVISION OF WATER RESOURCES
PRETREATMENT COMPLIANCE INSPECTION (PCI) REPORT
BACKGROUND INFORMATION
1. Control Authority (POTW) Name: City of Hickory
2. Control Authority Representative(s): David Cox
3. Title(s): Pretreatment Coordinator
4. Last Inspection Date: 2/18/20 Inspection Type: ® PCI ❑ Audit
5. Has Program Completed All Requirements from the Previous Inspection and Program Info Sheet(s)? ® YES ❑ NO
6. Is POTW under an Order That Includes Pretreatment Conditions? ❑ YES ® NO
Order Type, Number, Parameters: Are Milestone Dates Being Met? ❑ YES ❑ NO ® NA
ICIS CODING
Main Program Permit Number
NC0020401
MM/DD/YY
12/14/20
7. Current Number Of Significant Industrial Users (SIUs)?
13
8. Number of SIUs With No IUP, or With an Expired IUP
0
9. Number of SIUs Not Inspected By POTW in the Last Calendar Year?
0
10. Number of SIUs Not Sampled By POTW in the Last Calendar Year?
0
11. Number of SIUs In SNC For Limits Violations During Either of the Last 2 Semi -Annual Periods
0
12. Number of SIUs in SNC For Reporting During Either of the Last 2 Semi -Annual Periods
0
13. Number of SIUs in SNC with Pretreatment Schedule?
0
14. Number of SIUs on Schedules?
0
15. Current Number Of Categorical Industrial Users (CIUs)?
0
16. Number of CIUs in SNC?
0
POTW INTERVIEW
17. Since the Last PCI, has the POTW had any NPDES Limits Violations?
If Yes, What are the Parameters and How are these Problems Being Addressed?
18. Since the Last PCI, has the POTW had any Problems Related to an Industrial
Discharge (Interference, Pass -Through, Blockage, Citizens' Complaints, Increased
Sludge Production, Etc.)?
If Yes, How are these Problems Being Addressed?
19. Which Industries have been in SNC for Limits or Reporting during
either of the Last 2 Semi -Annual Periods? Not Been Published for
Public Notice?(May refer to PAR if Excessive SIUs in SNC)
SNC for
SNC for
Not Pul
20. Which Industries are on Compliance Schedules or Orders? For all SIUs on an
Order, Has a Signed Copy of the Order been sent to the Division?
21. Are Any Permits Or Civil Penalties Currently Under Adjudication? If Yes, Which
Ones?
/1 YES ❑ NO; Northeast
WWTP — monthly average
ammonia violation — April 2021.
❑ YES /1 NO
Limits: None
Reporting: None
)lished: N/A
N/A
❑ YES /1 NO
LTMP/STMP FILE REVIEW:
22. Is LTMP/STMP Monitoring Being Conducted at Appropriate Locations and Frequencies? ® YES
23. Are Correct Detection Levels being used for all LTMP/STMP Monitoring? ® YES ❑ NO
24. Is LTMP/STMP Data Maintained in a Table or Equivalent? ® YES ❑ NO Is Table Adequate? ® YES ❑ NO
25. All LTMP/STMP effluent data reported on Discharge Monitoring Report? ® YES ❑ NO
26. If NO to 23 - 26, list violations:
27. Should any Pollutants of Concern be Eliminated from or Added to LTMP/STMP? ❑ YES ® NO
❑ NO
NC DWR Pretreatment Compliance Inspection (PCI) Form Updated December 2016 Page 1

28. PRETREATMENT PROGRAM ELEMENTS REVIEW
Program Element
Northeast WWTP (NC0020401)
Last Submittal Received
Date In file?
Last Approval
Date In file
Date Next Due,
If Applicable
Headworks Analysis (HWA)
7/30/18
/1 Yes ❑ No
8/9/18
/1 Yes ❑ No
8/1/23
Industrial Waste Survey (IWS)
9/4/18
/1 Yes ❑ No
10/9/18
/1 Yes ❑ No
10/1/23
Sewer Use Ordinance (SUO)
9/20/12
/1 Yes ❑ No
10/22/12
/1 Yes ❑ No
Enforcement Response Plan (ERP)
8/16/19
0 Yes ❑ No
11/13/19
/1 Yes ❑ No
Long Term Monitoring Plan (LTMP)
6/1/18
a Yes ❑ No
6/7/18
/1 Yes ❑ No
Program Element
Henry Fork WWTP (NC0040797)
Last Submittal Received
Date In file?
Last Approval
Date In file
Date Next Due,
If Applicable
Headworks Analysis (HWA)
6/27/19
a Yes ❑ No
7/18/19
/1 Yes ❑ No
4/1/23
Industrial Waste Survey (IWS)
9/4/18
a Yes ❑ No
10/9/18
/1 Yes ❑ No
10/1/23
Sewer Use Ordinance (SUO)
9/20/12
0 Yes ❑ No
10/22/12
/1 Yes ❑ No
Enforcement Response Plan (ERP)
8/16/19
/1 Yes ❑ No
11/13/19
/1 Yes ❑ No
Long Term Monitoring Plan (LTMP)
7/1/19
/1 Yes ❑ No
7/18/19
r Yes ❑ No
INDUSTRIAL USER PERMIT (IUP) FILE REVIEW
29. User Name 1. Catawba Valley Medical Center 2. Hickory Dyeing & Winding
3. Veolia Water NA
30. IUP Number
0003
0008
0050
31. Does File Contain Current Permit?
/1 Yes ❑ No
/1 Yes ❑ No
i1 Yes ❑ No
32. Permit Expiration Date
7/7/26
7/7/24
2/28/26
33. Categorical Standard Applied (I.E. 40 CFR, Etc.) Or N/A
460
410
N/A
34. Does File Contain Permit Application Completed Within One Year Prior
to Permit Issue Date?
i1 Yes ❑ No
/1 Yes ❑ No
/1 Yes ❑ No
35. Does File Contain an Inspection Completed Within Last Calendar Year?
/1 Yes ❑ No
/1 Yes ❑ No
1 Yes ❑ No
36. a. Does the File Contain a Slug/Spill Control Plan?
b. If No, is One Needed? (See Inspection Form from POTW)
a. Yes •No
b. •Yes •No
a. ►Yes •No
b. •Yes •No
a. ►Yes •No
b. •Yes •No
37. For 40 CFR 413 and 433 TTO Certification, Does File Contain a Toxic
Organic Management Plan (TOMP)?
❑Yes❑NOON/A
❑Yes❑NOON/A
❑Yes❑No®N/A
38. a. Does File Contain Original Permit Review Letter from the Division?
b. All Issues Resolved?
a. ►Yes •No
b.❑Yes❑No®N/A
a. Yes •No
b.❑Yes❑No®N/A
a. ►Yes •No
b.❑Yes❑No®N/A
39. During the Most Recent Semi -Annual Period, Did the POTW Complete
its Sampling as Required by IUP, including flow?
1 Yes ❑ No
/1 Yes ❑ No
1 Yes ❑ No
40. Does File Contain POTW Sampling Chain -Of -Custody Forms?
/1 Yes ❑ No
L Yes ❑ No
/1 Yes ❑ No
41a. During the Most Recent Semi -Annual Period, Did the SIU Complete its
Sampling as Required by IUP, including flow?
®Yes❑No❑N/A
®Yes❑No❑N/A
®Yes❑No❑N/A
41b. During the Most Recent Semi -Annual Period, Did SIU submit all reports
on time?
®Yes❑No❑N/A
NYes❑No❑N/A
®Yes❑No❑N/A
42a. For categorical IUs with Combined Wastestream Formula (CWF), does
file include process/dilution flows as Required by IUP?
❑Yes❑NoON/A
❑Yes❑NoON/A
❑Yes❑No®N/A
42b. For categorical IUs with Production based limits, does file include
production rates and/or flows as Required by IUP?
❑Yes❑No®N/A
❑Yes❑NoNN/A
❑Yes❑No®N/A
J
43a. During the Most Recent Semi -Annual Period, Did the POTW Identify
All Limits Non -Compliance from Both POTW and SIU Sampling?
► Yes ■No■NA
❑Yes❑NoON/A
®Yes❑No❑N/A
43b. During the Most Recent Semi -Annual Period, Did the POTW Identify
All Reporting Non -Compliance from SIU Sampling?
❑Yes❑No®N/A
❑Yes❑NoON/A
❑Yes❑No®N/A
44. a. Was the POTW Notified by SIU (Within 24 Hours) of All Self-
Monitoring Violations?
b. Did Industry Resample and submit results to POTW Within 30 Days?
c. Did POTW resample within 30 days of knowledge of SIU limit
violations from the POTW sample event?
a.®Yes❑No❑N/A
b.®Yes❑No❑N/A
c. ❑yes❑No®N/A
a.❑Yes❑No®N/A
b.❑Yes❑No®N/A
c.❑Yes❑No®N/A
a.®Yes❑No❑N/A
b.®Yes❑No❑N/A
c.❑Yes❑No®N/A
NC DWR Pretreatment Compliance Inspection (PCI) Form Updated December 2016 Page 2

45. During the Most Recent Semi -Annual Period, Was the SIU in SNC?
❑ Yes /1 No
❑ Yes L No
❑ Yes /1 No
46. During the Most Recent Semi -Annual Period, Was Enforcement Taken
as Specified in the POTW's ERP (NOVs, Penalties, timing, etc.)?
®Yes❑No❑N/A
❑Yes❑NoON/A
®Yes❑No❑N/A
47. Does the File Contain Penalty Assessment Notices?
❑Yes❑No®N/A
❑Yes❑NoNN/A
❑Yes❑No®N/A
48. Does The File Contain Proof Of Penalty Collection?
❑Yes❑NoON/A
❑Yes❑NoON/A
❑Yes❑NoON/A
49. a. Does the File Contain Any Current Enforcement Orders?
b. Is SIU in Compliance with Order?
a.❑Yes❑No®N/A
b.❑Yes❑No®N/A
a.❑Yes❑No®N/A
b.❑Yes❑No®N/A
a.❑Yes❑No®N/A
b.❑Yes❑No®N/A
50. Did the POTW Representative Have Difficulty in Obtaining Any of This
Requested Information For You?
❑ Yes /1 No
❑ Yes /1 No
❑ Yes /1 No
FILE REVIEW COMMENTS:
35. The POTW performed SIU inspections on 8/31/20 (Catawba Valley Medical Center), 7/1/20 (Hickory Dyeing & Winding) and
10/9/20 (Veolia Water NA).
39. The POTW's certified laboratory performs analyses on conventional parameters, phenols, total phosphorus, and field parameters (pH
and temperature). The POTW also contracts Pace Analytical Services (metals, volatiles and cyanide) to perform IUP/LTMP analyses.
41a. The SIUs contract Statesville Analytical (Catawba Valley Medical Center), Water Tech Labs (Hickory Dyeing & Winding) and Pace
Analytical Services (Veolia Water NA) to perform IUP analyses.
46. The POTW issued Notices of Non -Compliance (NoNC) to Catawba Valley Medical Center for zinc permit limit violations in January,
February, March and April 2021. Veolia Water NA was issued NoNCs for permit limit violations in January 2021 (BOD), February 2021
(ammonia) and April 2021 (ammonia, BOD, TSS and zinc).
SUMMARY AND COMMENTS:
The records reviewed during the inspection were organized and well maintained. The POTW's Industrial Pretreatment Program was being
properly implemented.
NOD: ❑ YES ® NO
NOV: ❑ YES ® NO
QNCR: ❑ YES ® NO
POTW Rating:
Satisfactory ® Marginal ❑ Unsatisfactory ❑
PCI COMPLETED BY:
Clees),
DocuSignedd by:
�GGG
A01090D90CC0407...
DATE: 12/20/2021
Wes Bell, Environmental Specialist II, MRO/WQROS, NC DEQ
DocuSigned by:
12/20/2021
PCI REVIEWED BY: '-A14CC681AF27425... DATE:
W. Corey Basinger, Regional Supervisor, MRO/WQROS, NC DEQ
NC DWR Pretreatment Compliance Inspection (PCI) Form Updated December 2016 Page 3