NC0021873_Compliance Evaluation Inspection_20220804

IC
NORTH CAROLINA DIVISION OF WATER RESOURCES
PRETREATMENT COMPLIANCE INSPECTION (PCI) REPORT
Water Resources
ENVIRONMENTAL QUALITY
BACKGROUND INFORMATION [Complete Prior To PCI; Review Program Info Database Sheet(s)I
1. Control Authority (POTW) Name: Town of Mayodan WWTP
2. Control Authority Representative(s): Nadine Blackwell
3. Title(s): Pretreatment Coordinator
4. Last Inspection Date: 7/20/2021 Inspection Type (Check One): ❑ 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
ICIS CODING
Main Program Permit Number
MM/DD/YY
J N I CIO 10 1 2I1 1 8 1 7 1 3 1 J 08 104 122
7. Current Number Of Significant Industrial Users (SIUs)?
3
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)?
1
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?
❑ YES /1 NO
❑ YES A NO
Limits: N/A
Reporting: N/A
lished: N/A
None
❑ YES A 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 Division Inspector, please verify
yourself!
26. If NO to 23 - 26, list violations
❑ NO
27. Should any Pollutants of Concern be Eliminated from or Added to LTMP/STMP? ❑ YES ® NO
NC DWR Pretreatment Compliance Inspection (PCI) Form Updated December 2016 Page 1

If yes, which ones? Eliminated: Added:
Kathleen Patterson — Town Manager
Bar screen has been down for several years, but funds are allocated for repairs and work should begin sometime in November.
Both POTW and industries are monitoring every six months
LTMP is recorded quarterly, and all information is included on the DMR. Influent and effluent samples are included. Maintained
through HACH WIMS and Excel.
Ruger received NOV for failure to report and failure to sample the first half of 2021. NOV issued by POTW on July 19, 2021.
NC DWR Pretreatment Compliance Inspection (PCI) Form Updated December 2016 Page 2

28. PRETREATMENT PROGRAM ELEMENTS REVIEW— Please review POTW files, verify POTW has copy of Program Element in
their files, complete with supporting documents and copy of PERCS Approval Letter, and dates consistent with Program Info:
Program Element
Last Submittal
Date In file?
Last Approval
Date In file
Date Next Due,
If Applicable
Headworks Analysis (HWA)
8/24/2020
❑ Yes 0 No
9/3/2021
1 Yes ❑ No
10/1/2025
Industrial Waste Survey (IWS)
10/16/2018
r Yes ❑ No
1/8/2019
1/ Yes ❑ No
10/1/2023
Sewer Use Ordinance (SUO)
11/13/2012
r Yes ❑ No
12/4/2012
1/ Yes ❑ No
Enforcement Response Plan (ERP)
12/20/2012
❑ Yes 0 No
12/27/2012
1/ Yes ❑ No
Long Term Monitoring Plan (LTMP)
3/22/2017
0 Yes ❑ No
6/14/2017
1/ Yes ❑ No
INDUSTRIAL USER PERMIT (IUP) FILE REVIEW (3 IUP FILE REVIEWS OR 1 FILE REVIEW AND 1 IU INSPECTION
29. User Name
1. Ruger
2. Unifi
3. Sans Technical
30. IUP Number
0109
0105
0108
31. Does File Contain Current Permit?
Yes ❑ No
1/ Yes ❑ No
0 Yes ❑ No
32. Permit Expiration Date
6/30/2026
6/30/2026
6/30/2026
33. Categorical Standard Applied (I.E. 40 CFR, Etc.) Or N/A
40 CFR 433
N/A
N/A
34. Does File Contain Permit Application Completed Within One Year Prior
to Permit Issue Date?
1 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. EYes ❑No
37. For 40 CFR 413 and 433 TTO Certification, Does File Contain a Toxic
Organic Management Plan (TOMP)?
❑Yes❑No®N/A
Opted to monitor
instead
❑Yes❑No®N/A
❑Yes❑No®N/A
38. a. Does File Contain Original Permit Review Letter from the Division?
b. All Issues Resolved?
a. A Yes ■ No
b.❑Yes❑No®N/A
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?
A Yes ❑ No
/1 Yes ❑ No
0 Yes ❑ No
40. Does File Contain POTW Sampling Chain -Of -Custody Forms?
A Yes ❑ No
A Yes ❑ No
/1 Yes ❑ No
41. 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
❑Yes®No❑N/A
❑Yes®No❑N/A
Late report
4/2022, 3/2021
42a. For categorical IUs with Combined Wastestream Formula (CWF), does
file include process/dilution flows as Required by IUP?
❑Yes❑No®N/A
❑Yes❑No®N/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 I
❑Yes❑No®N/A
❑Yes❑No®N/A
43a. During the Most Recent Semi -Annual Period, Did the POTW Identify
All Limits Non -Compliance from Both POTW and SIU Sampling?
A Yes ❑ No
A Yes ❑ No
/1 Yes ❑ No
NOV issued
5/26/2022
43b. During the Most Recent Semi -Annual Period, Did the POTW Identify
All Reporting Non -Compliance from SIU Sampling?
❑Yes❑No®N/A
®Yes❑No❑N/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. If applicable, Did POTW resample within 30 days of becoming aware
of SIU limit violations in the POTW's sampling of the SIU?
a.❑Yes❑No®N/A
b.❑Yes❑NoDN/A
c.❑Yes❑No®N/A
a.❑Yes❑NoON/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
46. During the Most Recent Semi -Annual Period, Was the SIU in SNC?
❑ Yes aI No
❑ Yes No
❑ Yes 0 No
47. 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❑No❑N/A
®Yes❑No❑N/A
48. Does the File Contain Penalty Assessment Notices?
❑Yes❑No®N/A
❑Yes❑No®N/A
❑Yes❑No®N/A
49. Does The File Contain Proof Of Penalty Collection?
❑Yes❑No®N/A
❑Yes❑No®N/A
❑Yes❑No®N/A
50. 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
51. Did the POTW Representative Have Difficulty in Obtaining Any of This
Requested Information For You?
❑ Yes 0 No
❑ Yes I/ No
❑ Yes 0 No
NC DWR Pretreatment Compliance Inspection (PCI) Form
Updated December 2016
Page 3

FILE REVIEW COMMENTS:
INDUSTRY INSPECTION ICIS CODING:
Main Program Permit Number MM/DD/YY
11111111111111
1. Industry Inspected:
2. Industry Address:
3. Type of Industry/Product:
4. Industry Contact:
Phone:
Fax:
Title:
5. Does the POTW Use the Division Model Inspection Form or Equivalent? ❑ YES ❑ NO
6. Did the POTW Contact Conduct the Following Parts of the Industrial Inspection Thoroughly?
Comments:
A. Initial Interview ❑ YES ❑ NO
B. Plant Tour ❑ YES ❑ NO
C. Pretreatment Tour ❑ YES ❑ NO
D. Sampling Review ❑ YES ❑ NO
E. Exit Interview ❑ YES ❑ NO
Industrial Inspection Comments:
OVERALL SUMMARY AND COMMENTS:
Comments: No concerns. Documentation is thorough and well -organized. Ms. Blackwell has an excellent working relationship with
her SIU contacts and demonstrates frequent communication and proper enforcement response when necessary.
Requirements: None.
Recommendations: None.
NOD: ❑ YES ® NO
NOV: ❑ YES ® NO
QNCR: ❑ YES ®NO
POTW Rating:
Satisfactory X Marginal UnSatisfactory
PCI COMPLETED BY: Alex Lowe, DWR, WSRO and Seren Homer, DWR, WSRO DATE: August 4, 2022
NC DWR Pretreatment Compliance Inspection (PCI) Form Updated December 2016 Page 4