NC0020621_Pretreatment_Annual_Report_20200131

�OONE
North Carolina
Email: [e-mail]
January 31, 2020
NC Division of Water Resources
PERCS Unit
1617 Mail Service Center
Raleigh, NC 27699-1617
2019 PAR NARRATIVE
Town of Boone Wastewater Treatment Plant
NPDES No. NCO020621
GENERAL INFORMATION
General Program Information:
• HWA, SUO, IWS, and LTMP are currently upAo-date
• ERP was submitted in January 2020
• No correction to the program info sheet is required
General Permit Information:
• No name changes or dropped SIU permits in 2019
• Charleston Forge IUP #0004 —Expires December 31, 2021
• Hospitality Mints, LLC IUP #0003 - Expires May 31, 2023
• Winkler Knives, Inc, NSCIU closed locally
SIU INFORMATION, listed alphabetically:
Charleston Forge
IUP #0004, 40CF11433.17
SNC INFORMATION: NONE
ORDERS AND SCHEDULE INFORMATION: NONE
A TO C INFORMATION: NONE
MISSING DATA INFORMATION:
P.O. DRAWER 192 BOONE, NORTH CAROLINA 28(i07

■ Batch discharger, but some overflow is possible. Flow meter is
read every production day and recorded. Zero flow recorded on
production days is included in calculated averages.
■ One silver result was eliminated from SNC calculation, but no
other spreadsheet. The permit limit had been issued more stringent
than necessary for the purpose of maximizing silver AHL at the
WWTP due to the new water quality standard required for HWA
and the lack of a historical need at the industry. An increase to the
permit limit was needed so that this batch discharge would be
compliant. The industry delayed the needed maintenance event to
ensure compliance. In the middle of this process, the mag meter
calibration technician arrived and ran 9 gallons through the flow
tube to calibrate the effluent flow meter. Using BPJ as
justification, the Town did not issue an NOV for this event.
MISCELLANEOUS INFORMATION: NONE
Hospitality Mints, LLC
IUP 40003, Candy Maker
SNC INFORMATION: NONE
ORDERS AND SCHEDULE INFORMATION: NONE
A TO C INFORMATION:
■ Installation of valve to keep now moving through the pretreatment
system during plant shutdown period
■ A to C date: 1/17/19 for temporary installation to test
■ Construction began and finished 1/17/19
■ A to C date: 5/6/19 for temporary installation to be permanent
■ First sampling event resulted in compliant, but wide pH
fluctuations, so the industry moved caustic soda discharge
tubing to inlet side of mixing tank and installed a valve much
closer to the end of the tubing, so that the amount of caustic
delivered is more controlled, which helped to narrow the
fluctuations some. The closer valve continues to cause some
issues with pH -control during extended non -production hours,
but the industry is preventing it from reaching significant non-
compliance by monitoring and adjusting the technology in a
timely fashion.
MISSING DATA INFORMATION:
■ Flow is not monitored daily during production breaks (eg
weekends), but is part of the totals once production restarts at the
beginning of the week.
■ Flow data that was erroneous due to back-up in the collection
system was removed from the IDSF.

MISCELLANEOUS INFORMATION:
■ This industry has continuous pH monitoring that logs pH every 5
minutes. This is only reported when the pH permit requirement
has been exceeded at any time, whether production is occurring or
not. Technicians also record pH daily during production activity
and submit this monthly, which provides the number of days that
production occurred. The compliance judgment policy used for
SNC calculation is that the number of pH violations reported from
either log is to be divided by the number of production days.
This completes the 2019 Nart ative. If you have any questions or CA
information, please call me at 828/268-6270 or email at [e-mail].
Sincerely,
xc
Karen W. Reece
Laboratory Supervisor/Pretreatment Coordinator
Town of Boone Wastewater Treatment Plant
ec: Rudy Broschinski, Plant Superintendent
Josh Eller, Public Works Deputy Director
Rick Miller, Public Works Director

Pretreatm, ent;Progxam Info Database printed on: 12/20/2019
for Program Name Boone
Stream 7nformatfon1IWc % at 7Q10 43.99
WWTP Name Town of Boone
Program Approval Date 06/10/1983 7Q�0 o�w IS /mgd 9.5 / 6.14
Pretreatment Status Full 1 Q10 Flow cfs / mgd 7.88 / 5.09
Stream Classification C+
Region WSRO Basin Number NEW01
County Watauga Receiving Stream Name SOUTH FORK NEW
NPDES Number NCO020621
NPDES Effective Date Last PAR Rec 02/15/2019 PAR Due Date 03/01/2020 mercury
05/01 /2017 1631
NPDES Expire Date 03/31/2021 Current Fiscal Year PCI Done 04/09/2018 required
POTW is Primary WWTP TRUE Last Audit on 03/11/2019 Audit Year Next23/24 yes
Design Flow mgd 4.8200 % Design mgd is SIU permitted 3.63 Permitted SIU flow (mgd) [Pt SIU) .175
WWTP SIU's Program SIUs 2 _;tI_—
WWTP CIU's 1 HNVA j LTMP l' IWS
Program CIUs 1 SUO ERP
date Inactive Date Next Due ; 10/01/2020 ] ; i
-----..I ...— _ fF 04/01/2024---...... ..... -.._-------- ..... f
Pretreatment Related NOVs
4/30/1997 Monthly BOD
DWR Central Office Contact ivien Zhong
DWR Regional Contact Jim Gonsiewski

Chapter 9, PAR Guidance
Pretreatment Performance Summary (PPS)
1. Pretreatment Town Name: Town of Boone
2. "Primary" NPDES Number NC00 20621
or Non Discharge Permit # if applicable =>
3. PAR Begin Date, please enter 01/01/yyyy 3. => 1/1/2019
4. PAR End Date, please enter 12/31/yyyy 4. => 12/31/2019
5. Total number of SNs, includes CIUs 5. => 2
6. Number of CIUs 6. => 1
7. Number of SIUs with no IUP, or with an expired IUP 7. => 0
8. Number of SIUs not inspected by POTW 8. => 0
9. Number of SIUs not sampled by POTW 9. => 0
10. Number of SIUs in SNC due to IUP Limit violations 10. => 0
lie Number of SIUs in SNC due to Reporting violations F 11. => 0
12. Number of SIUs in SNC due to violation of a Compliance Schedule, CO, AO or similar 12. => 0
13. Number of CIUs in SNC 13. => 0
14. Number of SIUs included in Public Notice 14. => 0
15 Total number of SIUs on a compliance schedule, CO, AO or similar 15. => 0
16. Number of NOVs, NNCs or similar assesed to SIUs 16. => 20
17. Number of Civil Penalties assessed to SNs IT => 0
18. Number of Criminal Penalties assessed to SIUs 18. => 0
19. Total Amount of Civil Penalties Collected 19. => $ 0
20. Number of IUs from which penalties collected 20. => 0
Notes: AO Administrative Order
IUP Industrial User Pretreatment Permit
POTW Publicly Owned Treatment Works
SIU Significant Industrial User
SNC Significant Non -Compliance
revised 1/2018: PAR PPS 2018

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