NCG520093_Permit (Issuance)_20061017

W A 7.-&-9
r— NCDENR
Thomas Mock, Owner
535 Ronnie Mosck Rd.
Lexington, NC 27295
Dear Mr. Mock:
Michael F. Easley
Governor
William G. Ross, Jr., Secretary
North Carolina Department of Environment and Natural Resources
Alan W. Klimek, P.E., Director
Division of Water Quality
October 17, 2006
Subject: General Permit No. NCG520000
Certificate of Coverage NCG520093
Thomas Mock Sand Dredging
Davidson County
In accordance with your application for discharge, the Division is forwarding herewith the subject Certificate of
Coverage to discharge under the subject state-NPDES general permit. This permit is issued pursuant to the
requirements of North Carolina General Statue 143-215 .1 and the Memorandum of Agreement between North
Carolina and the US Environmental Protection agency dated May 9, 1994 (or as subsequently amended).
The following information is included with your permit package:
• A copy of the Certificate of Coverage for your treatment facility
• A copy of General Sand Mining Discharge Permit NCG520000
• A copy of a Technical Bulletin for General Sand Mining Discharge Permit NCG520000
If any parts, measurement frequencies or sampling requirements contained in this general permit are unacceptable to
you, you have the right to request an individual permit by submitting an individual permit application. Unless such
demand is made, the certificate of coverage shall be final and binding.
Please take notice that this Certificate of Coverage is not transferable except after notice to the Division of Water
Quality. The Division of Water Quality may require modification or revocation and reissuance of the certificate of
coverage. This permit does not affect the legal requirements to obtain other permits which may be required by the
Division of Water Quality or permits required by the Division of Land Resources, Coastal Area Management Act or
any other Federal or Local governmental permit that may be required.
If you have any questions concerning this permit, please contact Sergei Chernikov at telephone number 919/733-
5083, extension 594.
Sincerely,
eik
cc: Central Files
NPDES General Permit Files
Winston-Salem Regional Office, Surface Water Protection Section
N. C. Division of Water Quality / NPDES Unit
1617 Mail Service Center, Raleigh, NC 27699-1617
Internet: h2o.enr.state.nc,us
Phone: [phone]
fax: [phone]
DENR Customer Service Center: 1 800 623-7748

STATE OF NORTH CAROLINA
DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES
DIVISION OF WATER QUALITY
GENERAL PERMIT NO. NCG520000
CERTIFICATE OF COVERAGE NO. NCG520093
TO DISCHARGE SAND DREDGING WASTEWATER AND SIMILAR WASTEWATERS
UNDER THE
NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM
In compliance with the provision of North Carolina General Statute 143-215.1, other lawful
standards and regulations promulgated and adopted by the North Carolina Environmental
Management Commission, and the Federal Water Pollution Control Act, as amended,
Thomas Mock Sand Dredging
is hereby authorized to operate a treatment system consisting of a berm with the discharge of
treated wastewater from a facility located at
535 Ronnie Mock Road
Lexington
Davidson County
to receiving waters designated as Abbots Creek, a class WS-III waters in the Yadkin -Pee Dee
River Basin in accordance with the effluent limitations, monitoring requirements, and other
conditions set forth in Parts I, II, III and IV hereof.
This certificate of coverage shall become effective October 17, 2006.
This Certificate of Coverage shall remain in effect for the duration of the General Permit.
Signed this day October 17, 2006.
ax/
Alan Klimek, P.E., Director
Division of Water Quality
By Authority of the Environmental Management Commission

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State of North Carolina
Department of Environment
and Natural Resources
Division of Water Quality
Michael F. Easley, Governor
William G. Ross, Jr., Secretary
Alan W. Klimek, P.E., Director
MEMORANDUM
To:
September 26, 2006
Lee Spencer
NC DENR / D I -I / Regional Engineer
Winston Salem Rgional Office
From: Jackie Nowell. (�
NPDES Western Program
Subject:
Review of application for General Permit NCG520093
Thomas Mock
Abbotts Creek at Mock Road Pit #1
Lexington
Davidson County
AVA
NCDENR
NORTH CAROLINA DEPARTMENT OF
ENVIRONMENT AND NATURAL RESOURCES
SEP 2 7 2006
Winston-Salem
Regional Office
Please indicate below your agency's position or viewpoint on this general permit and return this form by October 10,
2006. Attached to the application is the staff report. Please contact me at the telephone number or e-mail address
listed at the bottom of this page.
❑❑❑❑❑❑❑❑❑❑❑❑❑❑❑❑❑❑❑❑❑❑❑❑❑❑❑❑❑❑❑❑❑❑❑❑❑❑❑❑❑
RESPONSE: (Check one)
his agency has reviewed the draft permit and determined that the proposed discharge will not be sufficiently
close to any existing or known proposed public water supply intake so as to create an adverse effect on water
quality. We concur with the issuance of this permit provided the facility is operated and maintained properly,
the stated effluent limits are met prior to discharge, and the discharge does not contravene the designated
water quality standards.
Concurs with issuance of the above general permit, provided the following conditions are met:
Opposes the issuance of the above general permit, based on reasons stated below, or attached:
Signed vCL SZ .
1617 Mail Service Center, Raleigh, North Carolina 27699-1617
VISIT US ON THE INTERNET @ http://h2o.enr.state.nc.us/NPDES
Date:
919 733-5083, extension 512 (fax) 91. 733-0719
Jackie.Nowell @ ncmail.net

To: Point Source Branch
Surface Water Protection
Attention: Jacquelyn Nowell
Date: September 22, 2006
NPDES STAFF REPORT AND RECOMMENDATION
County: Davidson
Permit No. NCG520093
PART I - GENERAL INFORMATION
1. Facility and Address: Abbotts Creek @ Mock Road
PIT #1
Mailing Address -Thomas Mock
535 Ronnie Mock Road
Lexington, NC 27295
OENR - WATER QUALITY
POINT SOURCE BRANCH
2. Date of Investigation: 9-22-2006
3. Report Prepared by: Steve Mauney, Environmental Engineer
4. Persons Contacted and Telephone Number: - Thomas Mock, Dredge Owner/Operator
Home-(336)-764-0639
Property Owner -Dale Payne
5. Directions to Site: From Winston-Salem take Thomasville road south and then NC Hwy
109 South for appx.12 miles to Ledford Middle School and turn left on Old Greensboro
Road (some maps list it as West Lexington Avenue), continue for 0.8 miles till Old
Greensboro Road turns left while West Lexington Ave. continues to right. Follow Old
Greensboro Road and then immediately take another left at Mock Road, continue to Abbotts
Creek bridge and just after crossing bridge take the access road to the site on the left.
6. Discharge Points(s), List for all discharge points:
Latitude: 35* 57' 30" Longitude: 80* 06' 44"
U.S.G.S. Quad No. D17NE U.S.G.S. Quad Name High Point West, NC
7. Site size and expansion area consistent with application?
8. Topography (relationship to flood plain included): The site is on the bank of Abbotts
Creek in the flood plain.
9. Location of nearest dwelling: One dwellings is located about 500 feet north of the site
while others are about 800 feet north.

10. Receiving stream or affected surface waters: Abbotts Creek
a. Classification: WS-III
b. River Basin and Subbasin No.: Yadkin -Pee Dee, 03-07-07
c. Describe receiving stream features and pertinent downstream uses: Abbotts Creek
flows to Tom-A-Lex Lake which is the primary water supply for Lexington and
Thomasville. The stream also has the typical agricultural and wildlife uses.
Part II - DESCRIPTION OF DISCHARGE AND TREATMENT WORKS
1. a. Volume of Wastewater to be permitted: NA gpd (Ultimate Design Capacity)
b. What is the current permitted capacity of the Waste Water Treatment facility?
NA
c. Actual treatment capacity of the current facility (current design capacity)? NA
d. Date(s) of construction activities allowed by previous Authorizations to
Construct issued in the previous two years. NA
e. Please provide a description of existing or substantially constructed wastewater
treatment facilities: This operation is primarily to collect sand that is sold to
asphalt plants. The sand is taken from the stream by dragline, and stored in piles
appx. 10 feet from the stream bank. There is a small berm along 80-90% of the
stream bank to prevent runoff. The current site topography will direct most of the
sites discharge south before it returns to the creek and a small portion will drain to
the north end of the site before it gains access to the creek. Only a limited portion
of the water draining from the sand piles will return as discharge since most of it
will soak into the sandy floodplain area. Stormwater runoff is the routine
discharge from this site.
f. Please provide a description of proposed wastewater treatment facilities. N/A
g.
Possible toxic impacts to surface waters: N/A
2. Residuals handling and utilization/disposal scheme:
a. If residuals are to be land applied, please specify DEM permit no. N/A
b. Results Stabilization:
c. Landfill: N/A
NPDES Permit Staff Report
Version 10/92
Page 2

PART III - OTHER PERTINENT INFORMATION
1. Is this facility being constructed with Construction Grant Funds or are any public
monies involved. (municipals only)? NA
2. Special monitoring or limitations (including toxicity) requests: NA
3. Alternative Analysis Evaluation: Has the facility evaluated all of the non -discharge
options available. Please provide regional perspective for each option evaluated.
Spray Irrigation: n/a
Connection to Regional Sewer System: n/a
Subsurface: n/a
Other disposal options: Most water that is removed from the creek by the dragline, will
soak into the porous sandy material that underlies the site with only a minor discharge to
surface waters. The primary discharge is stormwater.
PART IV - EVALUATION AND RECOMMENDATIONS;
IT is recommended that this permit be issued.
Signature of report preparer
Water Quality Regional Supervisor
q/asldY
Date
cc: Point Source Branch
County Health Dept.
SWP-Central Files
WSRO
NPDES Permit Staff Report
Version 10/92
Page 3

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