NCG030486_AO Smith Water Systems Inspection Report_20240126

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Facility Name: A. O.Smith Water Systems Inspection#: 81590
Contact: Jamie Hayes, Quality Manager Permit#: NCG030486
Inspector: Lauren Bradley Receiving Stream: UPPER LITTLE SUGAR
Inspection Date: 01/11/2024 Entry Time: 10:00 am Exit Time: 12:00 pm SIC#: 3443
SUMMARY
Facility Description:A.O.Water Systems is located at 4300 Raleigh Street in Charlotte on approximately 8 acres.The
facility manufactures hot water tanks.
File Review/History: Charlotte Mecklenburg Storm Water Services (CMSWS)previously inspected the facility on 2/13/2
018 and the report was issued as unsatisfactory, due to observed deficiencies. A follow-up inspection was conducted on 2
/15/2018 and the report was issued as satisfactory.
Inspection Summary: During the Inspection,A.O Water Systems was observed to be in compliance with the City of
Charlotte Stormwater Pollution Control Ordinance. Please refer to the report for comments and recommendations.
Site Inspection Deficiency Comments
Stormwater system (catch basins, Recommendation Stormwater flows through the site via sheet flow,which
inlets, outfalls, etc.) discharges stormwater from three loosely defined outfalls:
two stormwater catch basins and a drainage channel in the
back of the property. Two other drainage channels were
observed on the property where stormwater is potentially
leaving the site. CMSWS recommends that the facility
assess physical conditions of the site to determine
appropriate outfall locations for analytical and qualitative
monitoring.
Erosion issues Satisfactory No stormwater erosion issues were observed.
Structural stormwater control N/A
measures(SCMs)
Illicit discharges/connections Satisfactory No illicit discharges or connections were observed onsite
during the inspection.
Aboveground storage tank(s)(ASTs) Satisfactory The following 275-gallon totes were observed indoors on the
and any associated venting and/or shop floor: iron phosphate and a cleaning agent. Observed
dispenser(s)—list tank size(s)and outdoors and under cover:four 275-gallon totes of cleaning
contents agent, several 55-gallon drums of new and used hydraulic
fluid,two 55-gallon drums of lubricant.All drums were
observed on spill pallets. 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) Satisfactory Pallets, hot water heater shells, and parts associated with
hot water heater production were observed outdoors. No
stormwater pollution issues were observed.
dX To report pollution or drainage problems call: 31 1 :T
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Site Inspection Deficiency Comments
Outdoor processing area(s) Recommendation Blue staining was observed outdoors on the ground around
the condensation discharge line for the air-conditioning unit,
which is located near the powder coating section of the
facility. CMSWS recommends that the facility determine the
sources of the blue discharge and implements a Best
Management Practice for the air-conditioning condensation
discharge to protect water quality.
Loading/unloading area(s) Satisfactory No stormwater pollution issues were observed.
Vehicle/equipment area(s)-fueling, Satisfactory Per facility staff, no vehicle/equipment fueling,washing, or
maintenance,washing, storage, etc. maintenance occurs onsite. Hydraulic fluid is used for
production machinery indoors. No stormwater pollution
issues were observed.
Oil/water separator and/or Satisfactory The facility has a wastewater treatment system which
pretreatment collects process water in a basin and settles it before it's
discharged to the sanitary sewer system. No stormwater
pollution issues were observed.
Waste storage/disposal area(s)- Recommendation The facility has the following dumpsters:two open-tops for
open tops,waste containers, scrap scrap metal; one open-top for recycling, six hoppers for scrap
metal bins, etc. wood and general waste; and two enclosed compactors for
general waste. Several sealed totes were observed outdoors;
some empty and some containing waste water. Several used
55-gallon drums,the open-tops, and all the hoppers were
observed to be outdoors and uncovered. CMSWS
recommends covering all outdoor waste containers to protect
water quality.
Food service area(s) N/A
Indoor material storage area(s) Satisfactory Assorted equipment and supplies for water tank production
were observed indoors. No stormwater pollution issues were
observed.
Indoor processing area(s) Satisfactory Hot water tanks are manufactured and powder coated indoors
. Pits for collecting waste water are located under some of
the machinery and are serviced on an as needed basis.
Waste water is collected by Terra Nova Solutions.According
to facility staff, service record are kept. No stormwater
pollution issues were observed.
Floor drains Satisfactory Floor drains in the facility lead to the wastewater treatment
system. No stormwater pollution issues were observed.
Spill response equipment Satisfactory Spill response equipment was observed throughout the
facility.
SWPPP Section Observed Comments
Does the facility have a Stormwater Satisfactory
Pollution Prevention Plan (SWPPP)?
Reviewed and updated annually Satisfactory The SWPPP was reviewed and updated in July of 2023.
Responsible party Satisfactory
General location (USGS)map Satisfactory
Detailed site map Satisfactory
Narrative description of industrial Satisfactory
processes
Feasibility study Satisfactory
Evaluation of stormwater outfalls(non Satisfactory An annual non-stormwater discharge evaluation was
-stormwater discharge evaluation) conducted on 10/5/2023 and was documented in the SWPPP
To report pollution or drainage problems call: 311
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SWPPP Section Observed Comments
Stormwater best management Satisfactory
practice(BMP)summary
Secondary containment plan (all Satisfactory
necessary secondary containment
provided and documented)
Records on every release from a N/A
secondary containment system (for
the last 5 years)
Spill prevention and response Satisfactory
procedures(SPRP)
List of significant spills or leaks(for Recommendation Per facility staff, no significant spills have occurred in the last
the last 3 years) three years but a spill log was not included in the SWPPP.
The facility should add a notation of'No spills'to a spill log for
each year which no significant spills have occurred per the
NCG030000 Permit.
Solvent management plan (SMP) Satisfactory
Preventative maintenance and good Satisfactory
housekeeping program (PMGHP)
Facility inspections conducted as Deficiency Per facility staff,facility inspections are conducted monthly
required but no inspections were recorded in the SWPPP for the first
half of 2023.The facility should conduct quarterly inspections
per the NCG030000 Permit and document it in the SWPPP.
Employee training (provided and Satisfactory Employee training was provided and documented digitally in
documented) February of 2023.
Qualitative/Analytical Monitoring Observed Comments
Qualitative monitoring conducted as Deficiency Per facility staff, qualitative monitoring was conducted on a
required monthly basis but no records could be located. The facility
should conduct qualitative monitoring for all designated
outfalls concurrently with analytical monitoring and document
it in the SWPPP, per the NCG030000 Permit. Update: On 1/
24/2024 the facility sent CMSWS qualitative monitoring
records for outfall 002 and 003,which was conducted on 8/3/
2023, 11/21/2023, and 1/6/2024. Monitoring was not
conducted for outfall 001.
Analytical monitoring conducted as Deficiency Analytical monitoring was conducted for outfalls 002 and 003
required on 1/17/2023, 10/20/2023, 11/21/2023, and 1/6/2024. The
facility recorded a no discharge event for June and December
of 2023.As of Q4 of 2023, the facility is in Tier Two statues
for outfalls#002 and#003 for benchmark exceedances of
TSS, Zinc, and Copper.Analytical monitoring has not been
conducted for outfall 001. The facility should conduct
analytical monitoring for all designated outfalls, per the
NCG030000 Permit.
Analytical monitoring for onsite N/A
vehicle and equipment maintenance
as required
Permit and Outfalls Observed Comments
Copy of permit and certificate of Yes NCG03086
coverage onsite
All outfalls observed Yes See the"Stormwater system"sections for recommendations.
Number of Outfalls Observed 3
To report pollution or drainage problems call: 311
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Permit and Outfalls Observed Comments
Representative outfall status N/A
documented by DEMLR
Annual no-exposure self re-certificatio N/A
n documented
((b To report pollution or drainage problems call: 311
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