NCG080840_ROS declined_20190514

ROY COOPER
Governor
MICHAEL S. REGAN
Secretary
S. DANIEL SMITH
Interim Director
Energy, Mineral
and Land Resources P�
ENVIRONMENTAL DUALITY
May 14, 2019 &Oe
City of Charlotte
Attention: Kristen O'ReillyT��
4600 Sweden Road �iVG
Charlotte, North Carolina 28273
Subject: City of Charlotte — Heavy Equipment Shop
NPDES Stormwater Permit Certificate of
Coverage No. MCGO80840
Representative Outfall Status Request
Dear Ms. O'Reilly:
We are in receipt of your letter received in our office on April 26, 2019 regarding a representative outfall for the
City of Charlotte — Heavy Equipment Shop located at 4600 Sweden Road in Charlotte, North Carolina. The received
representative outfall status request proposed outfall 2 to be representative of outfall 1.
The Mooresville Regional Office staff inspected the subject facility on May 2, 2019 and met with Jeremy
Henderson on site. During the site visit we discussed the drainage areas for outfall 1 & 2 and their activities on site, the
concerns with sampling from outfall 1, and recommendations to reduce the TSS foroutfall 1 (Tier 2) and outfall 2 (Tier 3)
Based on the information provided and the site visit on May 2, 2019 we are declining the request for
representative outfall status. In light of the above, it was agreed that additional measures and an altered sampling point
for outfall 1 can be made to reduce TSS in both outfalls in response to Tiers 2 & 3 with increased housekeeping and
maintenance. Please continue to conduct analytical monitoring at all outfalls as required per the existing permit.
If you have any questions or need further information, please contact Ms. Angela Lee ([e-mail])
or me at [phone].
Sincerely,
Zahid S. Khan, CPM, CPESC, CPSWQ
Regional Engineer
Land Quality Section
cc: Stormwater Permitting Program
State of North Carolina � Environmental Quality I Energy, Mineral and Land Resources
Mooresville Regional Office 1 610 East Center Ave Ste 301 1 Mooresville, NC 28115
704 663 1699 T

Compliance Inspection Report
Permit: NCG080840 Effective: 11/01/18 Expiration: 05/31/21 Owner: Cityof Charlotte
SOC: Effective: Expiration: Facility: City of Charlotte -Sweden Road Shop
County: Mecklenburg 4600 Sweden Rd
Region: Mooresville
Charlotte NC 28273
Contact Person: Kristen A O'Reilly Title: Phone: [phone]
Directions to Facility:
System Classifications:
Primary ORC: Certification: Phone:
Secondary ORC(s):
On -Site Representative(s):
Related Permits:
Inspection Date: 05/02/2019 Entry Time: 10:40AM Exit Time: 11:45AM
Primary Inspector: Angela Y Lee Phone: [phone]
Secondary Inspector(s):
Holliday Keen Phone:
Reason for Inspection: Routine Inspection Type: Technical Assistance
Permit Inspection Type: Transportation wNehicle Maintenance/Petroleum Bulk/Oil Water Separator Stormwater Discharge COC
Facility Status: ❑ Compliant ❑ Not Compliant
Question Areas:
® Storm Water
(See attachment summary)
Page 1 of 3

permit NCGO80840 Owner - Facility: City of Charlotte
Inspection Date: 05/02/2019 Inspection Type: Technical Assistance Reason for Visit: Routine
Inspection Summary:
This inspection was conducted per a Representative Outfall Status request submitted by Kristen O'Reilly. Jeremy
Henderson was present during the inspection. Suggestions were discussed on site with Jeremy Henderson on measures
and housekeeping changes that may reduce levels of TSS in the samples. Upon inspection, it was found that Outfall 2 is not
representative of Outfall 1, and it is recommended that the request be denied.
Page 2 of 3

permit NCGO80840 Owner - Facility: City of Charlotte
Inspection Date: 05/02/2019 Inspection Type • Technical Assistance Reason for Visit Routine
Permit and Outfalls Yes No NA NE
# Is a copy of the Permit and the Certificate of Coverage available at the site? ❑ ❑ ❑
# Were all outfalls observed during the inspection? E ❑ ❑ ❑
# If the facility has representative outfall status, is it properly documented by the Division? ❑ ❑ 0 ❑
# Has the facility evaluated all illicit (non stormwater) discharges? ❑ ❑ ❑ ■
Comment: It is recommended that sampling from Outfall 1 be taken at the end of the property boundary at
the pipe by the street side. This will allow a more accurate sample of the stormwater after it has
been treated by control measures on site. Suggestions for reducing TSS include more frequent
housekeeping measures, using a vac -truck or sweep around inlets on a routine basis, replacing
the filtrexx around the inlets more frequently, and paving the area around the inlets.
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