NCG140266_Compliance Report and Original Letter_20191029

Compliance Inspection Report
Permit: NCG140266 Effective: 08/01/17 Expiration: 06/30/22 owner: Thomas Concrete Of Carolina Inc
SOC: Effective: Expiration: Facility: Thomas Concrete Of Carolina Inc - Moorisville
County: Wake 220 International Dr
Region: Raleigh
Morrisville NC 27560
Contact Person: Justin Hartley Title: Phone: [phone]
Directions to Facility:
System Classifications:
Primary ORC:
Secondary ORC(s):
On -Site Representative(s):
Related Permits:
Certification: Phone:
Inspection Date: 10/04/2019 EntryTime: 10 00AM Exit Time: 12.30PM
Primary Inspector: Thaddeus W Valentine Phone:
Secondary Inspector(s):
Reason for Inspection: Routine Inspection Type: Compliance Evaluation
Permit Inspection Type: Ready Mix Concrete StormwaterlWaslewater Discharge COC
Facility Status: ❑ Compliant Not Compliant
Question Areas:
Storm Water
(See attachment summary)
Page 1 of 4

Permit: NCG140266 owner- Facility: Thomas Concrete Of Carolina Inc
Inspection Date: 10104/20143 Inspection Type :Compliance Evaluation Reason for Visit: Routine
Inspection Summary:
Outfalls and outfall inspections:
The flow patterns for sample point for SDO-3 has not been fully investigated. There is an adjacent curb inlet that may or may
not flow to the outfall for S130-3. Regardless, sampling at the curb inlet does not capture any runoff other than what flows
aboveground to the inlet. All of the pipe outlets must be identified and a dye test, or equivalent, should be performed to
identify all flow patterns and the outfall location of all drainage areas. Submit a summery of results once completed.
The entire facility will need to be cleaned. This includes any trash piles, any containers left out that should be sheltered form
stormwater and in general the entire site should be swept and cleaned of all concrete residuals and residue at regular
intervals and completely at least once a year. The loading area should be cleaned during the day and thouroughly at the end
of each day. The excess concrete stockplie should be located in an area that doesn't flood into the water treatment area of
the facility.
The water treatment basin is undersized and has caused overtopping during rain events that are causing offsite product and
probable water qualtiy standard violations in the adjacent creek. The basin will need to be resized and expanded to
accomadate the runoff from the site. Any and all containers (found around the site some open), drums and tanks (Poly tanks
not in use) need to be securely sealed and located under cover or in the secondary containment area
The secondary containment area needs to be sized for the tanks located within it and sealed with an expoxy on the inside
due to the cracker in the cinder blockes.
It is a requirement to contact DWR when there is a spill or discharge from a site (overtopping of the treatment area in this
case) that reaches and impacts a water body. Please make that notification and request a stream determination
(919)7914232 Rich Bolich
Page 2 of 4

Permit: NCG140266 Owner - Facility: Thomas Concrete Of Carolina Inc
Inspection Date: 10104/2019 Inspection Type : Compliance Evaluation Reason for Visit: Routine
Stormwater Pollution Prevention Plan
Yes No NA NE
Does the site have a Stormwater Pollution Prevention Plan?
■ ❑ ❑ ❑
# Does the Plan include a General Location (USGS) map?
N❑ ❑ ❑
# Does the Plan include a Narrative Description of Practices"?
0 ❑ ❑ ❑
# Does the Plan include a detaded site map including outfall locations and drainage areas?
❑ N ❑ ❑
# Does the Plan include a list of significant spills occurring during the past 3 years?
❑ E ❑ ❑
# Has the facility evaluated feasible alternatives to current practices?
0 ❑ ❑ ❑
# Does the facility provide all necessary secondary containment?
❑ ■ ❑ ❑
# Does the Plan include a BMP summary?
0 ❑ ❑ ❑
# Does the Plan include a Spill Prevention and Response Plan (SPRP)?
N❑ ❑ ❑
# Does the Plan include a Preventative Maintenance and Good Housekeeping Plan?
❑ N ❑ ❑
# Does the facility provide and document Employee Training?
0❑ ❑ ❑
# Does the Plan include a last of Responsible Partyls)?
0❑ ❑ ❑
# Is the Plan reviewed and updated annually?
0❑ ❑ ❑
# Does the Plan include a Stormwater Facility Inspect on Program?
■ ❑ ❑ ❑
Has the Stormwater Pollution Prevention Plan been implemented?
■ ❑ ❑ ❑
Comment: The SP3 plan appears to be in oreder except for a few changes that should be made. Provide on
the site map an updated flow pattern showing above ground and below ground flows that
discharge at one of the outfalls. Depending on the results of the flow patterns investigation (dye
test and the outfall locations determined by finding the end off all the outfall pipes, additional site
map updates may be needed. Please document all spills in the SP3. If no shills occur during the
year document that there have been no spills during the year. Maintain the documents for the
required 3 years. Include in the BMP summery any additional information that the flow Rattern and
outfall locations investi ation may rovide. The documents for the Preventive maintenance and
pod housekeeping are in the SP3 but form our site walk it's obvious that the employees need to
be better trained and more inspections should be more frequent or both. Include a follow up
summery of issues detected durinti site inspections
Qualitative Monitorina
Yes No NA NE
Has the facility conducted its Qualitative Monitoring semi-annually? 0 ❑ ❑ ❑
Comment: Ok
Analytical Monitoring Yes No NA NE
Has the facility conducted its Analytical monitoring? 0 ❑ ❑ ❑
# Has the facility conducted its Analytical monitoring from Vehicle Maintenance areas? ❑ 110 ❑
Comment: The facility is in Tier three due to benchmark excedances for pH and TSS
Permit and outfalls Yes No NA NE
# is a copy of the Permit and the Certificate of Coverage available at the site? 0 ❑ ❑ ❑
# Were all outfalls observed during the inspection? ❑ 0 ❑ ❑
Page 3 of 4

permit; NCG 140266 Owner - Facility: Thomas Concrete Of Carolina Inc
Inspection Date: 1010412019 Inspection Type : C-ampNirice Evaluation Reason for Visit: Routine
# If the facility has representative outfall status, is it properly documented by the Division?
# Has the facility evaluated all illicit (non stormwater) discharges?
Comment: Flow patterns and discharge points need to be evaluated
❑ M 1111
■ ❑ ❑❑
Page 4 of 4

ROY COOPER
cavernnr•
MICHAEL S. REGAN
Secretary
S. DANIEL SMITH
Diraerar
Thomas Concrete of Carolina, Inc
Attn: Justin Hartley
PO Box 12544
Raleigh, NC 247605
NORTH CAROLINA
Environmental Quality
October 29, 2019
Subject: COMPLIANCE EVALUATION INSPECTION
Thomas Concrete of Carolina, Inc
Morrisville Facility, Certificate of Coverage-NCG140266
NPDES Stormwater General Perm it-NCG1 40000
Wake County
Mr. Hartley:
On October 4, 2019 a site inspection was conducted for the Thomas Concrete of Carolina, Inc. facility
located at the 220 International Drive Facility, Wake County, North Carolina. A copy of the Compliance
Inspection Report is enclosed for your review. The site visit and file review revealed that the subject
facility is covered by NPDES Stormwater General Permit-NCG140000, Certificate of Coverage-
NCG140266. Permit coverage authorizes the discharge of stormwater from the facility to the unnamed
tributary to receiving waters designated as Crabtree Creek, a Class B;NSW waterbody in the Neuse River
Basin.
As a result of the inspection, the facility was found to be non-compliance with the conditions of the
NCG140266 permit. Please refer to the enclosed Compliance Inspection Report for additional comments
and observations made during the inspection.
Please be advised that violations of the NPDES Stormwater General Permit are subject to a civil
penalty assessment of up to $25,000 per day for each violation. If you or your staff has any
questions, comments, or needs assistance with understanding any aspect of your permit, please contact
me at [phone] or by e-mail at Thad. valentineancdenr,gflv.
Sincerely,
—ITa
Thad Valentine
Environmental Senior Specialist
Enclosure
cc: RRO — Land Quality Section, Stormwater Files-NCG140266
��^ �� Nurrfr Carolina �cparrtucnl of l:rn•irunntentu! Quality i Divisionof Energy. R1inera[ and Land Resriurccs
512 Norilr Sul .,bury 5t- ec•t 1012 Mail Service Center Raleigh, North Carolina 27t)Q4 Iti12