NCG060028_Inspection Report - ADM Milling Company_20230210

2145 Suttle Avenue
STORMCharlotte, NC 28208
ER Facility Inspection
—� Services
Facility Name: ADM Milling Co Inspection # : 72946
Contact: Craig Bradley, EH&S Manager Permit #: NCG060028
Inspector: Ron Eubanks Receiving Stream: Irwin Creek
Inspection Date: 01/27/2023 Entry Time: 1:00 pm Exit Time: 2:30 pm SIC #: 4214
Facility Description: The ADM Milling Company is located at 620 W. 10th Street in Charlotte on approximately 6.1 acres
of property. Wheat is processed into flour at the plant. The plant consists of grain elevators and a flour mill. ADM
Trucking also operates a truck maintenance shop on the property.
File Review/History: The facility was inspected by CMSWS on 04/09/08, 05/10/2013, and 01/26/18. A Notice of
Violation was issued by NCDENR on 05/12/08 for deficiencies in the Stormwater Pollution Prevention Plan, Qualitative
Monitoring, Analytical Monitoring, and Permit and Outfalls sections of NPDES Stormwater Permit NCG060000.
Inspection Summary: At the time of inspection, ADM Milling Company was observed to be in compliance with the City
of Charlotte Storm Water Pollution Control Ordinance. Please refer to the report for comments and recommendations.
Site Inspection Deficiency Comments
Stormwater system (catch basins,
No
Stormwater runoff drains by sheet flow into a series of catch
inlets, outfalls, etc.)
basins that discharge from the property via two outfalls. There
were filter pads observed for the catch basin inlets and
outfalls on the property. The filter pads should be routinely
inspected and replaced as needed. No stormwater pollution
issues were observed.
Erosion issues
No
There were no erosion issues observed on the property
Structural stormwater control
N/A
There were no SCMs observed on the property.
measures (SCMs)
Illicit discharges/connections
No
There were no illicit discharges or connections observed on
the property during the inspection.
Aboveground storage tank(s) (ASTs)
No
There are two 330-gallon ASTs for sodium hypochlorite
and any associated venting and/or
located inside the mill building. There is also one 275-gallon
dispenser(s) — list tank size(s) and
AST for new motor oil and one 275-gallon AST for used motor
contents
oil located inside the maintenance shop building. No
stormwater pollution issues were observed.
Underground storage tank(s) (USTs)
N/A
and any associated fill port area(s)
and dispenser(s) — list tank size(s)
and contents
Outdoor material storage area(s)
No
There were no outdoor material storage areas observed on
the property.
Outdoor processing area(s)
N/A
All processing areas are located indoors.
Loading/unloading area(s)
No
Vehicle/equipment area(s) - fueling,
No
Truck maintenance activities are conducted inside the
maintenance, washing, storage, etc.
maintenance shop building. Trucks and trailers are stored on
a paved lot on the property. Facility personnel indicated that
no truck fueling or washing activities are conducted on the
property. No stormwater pollution issues were observed.
•
(& To report pollution or drainage problems call: 311
CttARIAI'TE_ http://stormwater.charmeck.org
2/10/2023 1:01:34PM
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Site Inspection Deficiency Comments
Oil/water separator and/or
No
Facility personnel indicated that the floor drains inside the
pretreatment
maintenance shop building are connected to an oil/water
separator, which discharges to the sanitary sewer system.
No stormwater pollution issues were observed.
Waste storage/disposal area(s) -
Recommendation
There are two municipal waste dumpsters, one paper
open tops, waste containers, scrap
recycling dumpster, and one cardboard recycling dumpster
metal bins, etc.
located on the property. A lid was missing on the cardboard
recycling dumpster. CMSWS recommends all outdoor waste
containers should be covered to prevent stormwater exposure
Food service area(s)
N/A
Indoor material storage area(s)
No
Various parts and automotive fluids are stored inside the
maintenance shop building. No stormwater pollution issues
were observed.
Indoor processing area(s)
No
No stormwater pollution issues were observed in the indoor
processing areas.
Floor drains
No
Facility personnel indicated that the floor drains in the
maintenance shop building are connected to an oil/water
separator. No stormwater pollution issues were observed.
Spill response equipment
INo
A spill kit is located inside the maintenance shop building.
SWPPP Section Observed Comments
Does the facility have a Stormwater
Yes
A SWPPP has been prepared and implemented for the ADM
Pollution Prevention Plan (SWPPP)?
Milling Company.
Reviewed and updated annually
Yes
The SWPPP was reviewed and updated on March 28, 2022.
Responsible party
Yes
General location (USGS) map
Yes
Detailed site map
Yes
Narrative description of industrial
Yes
processes
Feasibility study
Yes
Evaluation of stormwater outfalls (non
Yes
There were no non-stormwater discharges observed at the
-stormwater discharge evaluation)
outfalls during the inspection and documented in the SWPPP
Stormwater best management
Yes
practice (BMP) summary
Secondary containment plan (all
Yes
necessary secondary containment
provided and documented)
Records on every release from a
N/A
The ASTs are located indoors.
secondary containment system (for
the last 5 years)
Spill prevention and response
Yes
procedures (SPRP)
List of significant spills or leaks (for
Yes
Facility personnel indicated that no significant spills have
the last 3 years)
occurred on the property during the past 3 years and
documented in the SWPPP.
Solvent management plan (SMP)
N/A
Preventative maintenance and good
Yes
housekeeping program (PMGHP)
Facility inspections conducted as
Yes
The recent semi-annual stormwater facility inspections were
required
conducted on March 21, 2022 and September 6, 2022.
•
(& To report pollution or drainage problems call: 311
CHARIATTE. http://stormwater.charmeck.org
2/10/2023 1:01:34PM
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SWPPP Section Observed Comments
Employee training (provided and Yes The recent employee training was conducted in March 2022
documented) I I and documented in the SWPPP.
Qualitative/Analytical Monitoring Observed Comments
Qualitative monitoring conducted as
Yes
The recent semi-annual qualitative monitoring was conducted
required
on February 23, 2022 and September 30, 2022.
Analytical monitoring conducted as
Yes
The recent semi-annual analytical monitoring was conducted
required
on February 23, 2022 and September 30, 2022. There were
permit benchmark exceedances for chemical oxygen demand
(COD) during the September 30, 2022 monitoring event.
Analytical monitoring for onsite
N/A
Facility personnel indicated that less than 55 gallons of motor
vehicle and equipment maintenance
oil is used in the maintenance shop per month when
as required
averaged over a calendar year.
Permit and Outfalls Observed Comments
Copy of permit and certificate of
Yes
ADM Milling Company has Certificate of Coverage
coverage onsite
NCG060028.
All outfalls observed
Yes
There were filter pads located for outfalls observed on the
property during the inspection. No stormwater pollution
issues were observed.
Number of Outfalls Observed
2
Representative outfall status
N/A
documented by DEMLR
Annual no -exposure self re-certificatio
N/A
n documented
•
((� To report pollution or drainage problems call: 311
CHARLOTTE_ http://stormwater.charmeck.org
2/10/2023 1:01:34PM
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