Compliance Inspection Letter - 11/6/2017

Energy, Minera I &
Land Resources
ENVIRONMENTAL QUALITY
November 06, 2017
Dr. D.J. Cecile
Radford Quarries of Boone, Inc.
P.O. Box 2071
Boone, NC 28607
Subject: Compliance Inspection
Permit No. NCG 020129
Radford Quarries of Boone — Bamboo Road
Watauga County
Dear Dr. Cecile:
ROY COOPER
Governor
MICHAEL S. REGAN
Secretary
TRACY DAVIS
Director
V
EGEI
NOV 09 2517
LAND QUALITY SECTION
On October 31, 2017, Glen White and Sue White of the North Carolina Department of
Environmental Quality — Division of Energy, Minerals and Land Resources met with you at
Radford Quarries located at 5605 Bamboo Road in Boone. The purpose was to conduct a
compliance inspection regarding the facilities industrial stormwater permit. Inspection was
requested by Derreck Goddard, PE (Engineer) and yourself following corrective measures put
into place after receipt of an NOV issued to the facility on October 6, 2017 for illicit process
wastewater discharge and compliance evaluation inspection.
Permit:
This facility is covered under General Permit No. NCG 020129 which allows the discharge
of:
• Stormwater point source discharges associated with mining & quarrying of
nonmetallic minerals, mine excavation, processing, and vehicle maintenance;
• Authorized wastewater point source discharges from mining operations;
• Operations of wastewater treatment systems;
• Stormwater and/or wastewater point source discharges from like industrial
activities deemed by the Division of Energy, Minerals, and Land Resources
(DEMLR) to be similar to these operations in the process, or the discharges, or the
exposure of raw materials, intermediate products, by-products, final products, or
waste products.
General Permit NCG020000 became effective on October 1, 2015 and expires September 30,
2020.
State ol'NorthCarohna 1 Environmental Quality Energy, Mineral and Land Resources
Winston-Salem Regional Office 1 450 Hane� Mill Road. Suite 300 Winston Salem. NC 27103
336 776 9800

C'S� IA -CP -1
,� 9
QtA�

Records/Reports:
This facility was required to develop and maintain a Stormwater Pollution Prevention Plan
(SPPP) in accordance with Part III, Items 1 through 9 of the permit. All qualitative and
analytical monitoring records are required to be maintained with the SPPP for a minimum of five
(5) years. The facility has developed an SPPP and has conducted some of the required
qualitative monitoring. Analytical monitoring had not been performed at the time of inspection
but a qualifying rainfall event had not occurred since the issuance of the prior letter.
Facility Sfte Review:
On October 6, 2017, this facility received an NOV following a complaint -driven investigation
that determined that untreated process wastewater was discharging into the South Fork New
River from production processes at the facility. Upon receipt of the violation, Dr. Cecile and his
Engineer, Mr. Goddard initiated corrective action to minimize further damage to the river.
Corrective action taken and site improvements include:
The process wastewater/stormwater basin has been cleaned out, restructured, seeded and
mulch.
• A new upper chamber has been added to the basin that increases the storage volume
significantly. The lower end of the upper chamber includes a forebay going into the
lower basin. Heavy sediments are allowed to settle out in the upper chamber. The upper
chamber serves to help keep the lower basin and the river clean. It is also much easier to
reach for clean-out and maintenance.
• A pre -cast concrete basin box has been installed at the outlet pipe from the gravel wash
equipment and an HDPE pipe has been buried that drains from the box to the basins new
upper chamber.
• Gravel and vegetated berms and swales has been constructed to direct process water from
all areas to the pre-treatment device.
This site appears to-be.in compliance with permit requirements addressed in the NOV �jth the
exception to required monitoring.
Effluent Receiving Waters:
Effluent from this facility drains to the South Fork New River, class "C", "ORC" (Outstanding
Resource) waters of the New River Basin.
Self -Monitoring Program:
The facility is required to provide qualitative and analytical monitoring as per NCG020000, Part
IV, C & D for stormwater, process wastewater and co -mingled discharge. A qualifying rainfall
event has not occurred since the violation was issued. A flooding event had occurred in the days
prior to this inspection but it was not a qualifying event. The banks of the South Fork New River
flooded but the process wastewater basin at the facility did not fill or discharge into the river.
Please provide qualitative and analytical monitoring at the basin outfall at the next qualifying
event. Submit results to the Stormwater Permitting Unit as permit instructs and provide a copy
of the initial result to this office.
State ofKorthCarohna 1 EnvironmentalQualfty I Enerqy, Mineral and Land Rasourres
Winston-Salem Regional Office 1 450 Hane5 Mill Road Suite 300 1 WinstoirSalem NC 27103
336 T16 9800

If you have questions or need additional information, please contact Glen White at (336) 776-
9660.
Enclosures:
Inspection Report & Photos
Sincerely,
Matthew E. Gantt, P.E.
Regional Engineer
Land Quality Section
Winston-Salem Regional Office
cc: NCDEQ — DEMLR — WSRO
Annette Lucas, P.E. — NCDEQ — DEMLR Stormwater Permitting Manager
Joby Vinson, P.E. —, NCDEQ — DEMLR Chief of Program Operations
State of North Carolina 1 EnvironmentalQuality I Energy, Mineral and Land Resources
Wins torr5alem Regional Office � 450 Hanes Mill Road, SUAD 300 1 Wlnston-�alern NC 27103
336 776 9800 �/A

Permit: NCG020129
SOC:
County: Watauga
Region: Winston-Salem
Contact Person: D J Cecile
Directions to Facility:
System Classifications:
Primary ORC:
Secondary ORC(s):
On -Site Representative(s):
Related Permits:
Compliance Inspection Repo
Effective: 03/18/16 Expiration: 09/30/20 Owner: Radford Quarries Of Boone Inc
Effective: Expiration: Facility: Radford Quarries Of Boone Inc
5605 Bamboo Rd
Boone NC 28607
Title: Phone: [phone]
Inspection Date: 10/31/2017
Primary Inspector: Glen White
Secondary Inspector(s):
Certification: Phone:
Entry Time: 10:OOAM Exit Time: 11 30AM
Phone: [phone]
Reason for Inspection: Routine Inspection Type: Compliance Evaluation
Permit Inspection Type: Mining Activities Stormwater Discharge COC
Facility Status: Compliant Not Compliant
Question Areas:
Storm Water
(See aftachment summary)
Page: 1

Pennit: NCG020129 Owner - Facility: Radford Quarries Of Boone Inc
Inspection Date: 10/31/2017-- Inspection Type: Compliance Evaluation Reason for Visit: Routine
Inspection Summary
On October 31, 2017, Glen White and Sue White of the NCDEQ - DEMLR, Winston Salem Regional Office visited the
facility at the request of Dr. DJ Cecile (Owner) and Derreck Goddard (Engineer)to review the facility for compliance following
corrective action taken after receipt of an NOV for illicit discharge
Significant work has been done in correcting site deficiencies The process wastewater/stormwater basin on the production
side of the facility has been cleaned out, a new chamber with a forebay has been added above the existing basin location
Process water drains from the forebay to the lower basin and will discharge at the main basin outfall prior to entering the
river
A pre -cast concrete catch basin box has been installed at the discharge pipe outlet of the gravel wash area and an HDPE
pipe has been installed to route process water directly from washing operations to the new upper chamber of the basin
The site appears to be compliant with requirements of the stormwater permit. Analytical monitoring will still need to be
performed as soon as possible discharge from the outfall begins Monitor quarterly for the first year and semi-annually in
subsequent years as long as results appear to be within parameters.
Page. 2

permit: NCG020129 Owner - Facility: Radford Quarries Of Boone Inc
Inspection Date: 10/31/2017 -- - Inspection Type: Compliance Evaluation - Reason for Malt: 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?
# Does the Plan include a "Narrative Description of Practices"?
N El El 1:1
# Does the Plan include a detailed site map including outfall locations and drainage areas'?
# Does the Plan include a list of significant spills occurring during the past 3 years?
# Has the facilityevaluated feasible alternatives to current practices?
# Does the facility provide all necessary secondary containment?
# Does the Plan include a BMP summary?
# Does the Plan include a Spill Prevention and Response Plan (SPRP)?
0 11 El El
# Does the Plan include a Preventative Maintenance and Good Housekeeping Plan?
# Does the facility provide and document Employee Training?
# Does the Plan include a list of Responsible Party(s)?
# Is the Plan reviewed and updated annually?
E El 1:1 1:1
# Does the Plan include a Stormwater Facility Inspection Program?
E] 1:1 11
Has the Stormwater Pollution Prevention Plan been implemented?
11 1:1 1:1
Comment: This facilities records aDDear to be cOMDIV with Dermit rules. Analvtical Monitorina needs to be
provided in accordance with rules.
Qualitative Monitoring Yes No NA NE
Has the facility conducted its Qualitative Monitoring semi-annually? 0 El El 11
Comment: Facility appears to be compliant with Qualitative Monitoring Requirements of the permit.
Analytical Monitoring Yes No NA NE
Has the facility conducted its Analytical monitoring? 1:10 1:1 M
# Has the facility conducted its Analytical monitoring from Vehicle Maintenance areas? El 0 El El
Comment: Analytical Monitoring is required to be conducted in accordance with the mrmit for facilties that
discharge process wastewater. At the next measurable rainfall event a sample should be
collected at the basin outfall. Submit results to the Stormwater Permitting Unit and col)y to
NCDEQ-DEMLR's Winston Salem Office for verification. Monitor in accordance with
NCG020000, Part IV, Section D in entirety. Include all reauired monitoring narameters. Future
evaluation required.
Permit and Ouffalls 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?
# If the facility has representative outfall status, is it properly documented by the Division?
# Has the facility evaluated all illicit (non stormwater) discharges?
Page: 3

permit: NCG020129 Owner - Facility: Radford Quarries Of Boone Inc
Inspection Date: 10/31/2017 Inspection Type: Compliance Evaluation Reason for Visit Routine -
Comment: This facility appears to have corrected the site deficiencies identified in the NOV issued on
October 5, 2017. The permanent basin has been cleaned out, repaired and upgraded to include
an additional upper chamber with a forebay that will catch heavier sediments before Process
water drains into the lower basin. The facility does not appear to have had any wastewater
discha[ge since the inmprovements were made. Sampling can be -gin when a discharge
appears imminent.
Page 4

The top photo shows discharge pipe during September complaint investigation
and Compliance Inspection. Turbid water is freely pouring onto the ground and
downslope into the New River. The bottom two photos reflect how it looked
during the follow-up inspection in October. Water pours into concrete
containment and is piped into catch basin.

The top photo shows conditions during September compliant investigation and
Compliance Inspection. Berms to direct flow to basin were eroded down
allowing flow down the banks to the New River. The bottom two photos show
the reworked berms directing flow into the catch basins.

These three photos show the catch basins built to handle all flow from the site.
The sides of the basins need to be stabilized but appear to be capturing flow.