NCG020171_COMPLETE FILE - HISTORICAL_20160811

STORMWATER DIVISION CODING SHEET
NCG PERMITS
PERMIT NO.
Iv U& W D -7
DOC TYPE
"IISTORICAL FILE
❑ MONITORING REPORTS
DOC DATE
❑
YYYYMMDD

a
Energy, Mineral
and Land Resources
ENVIRONMENTAL OUALITY
August 11, 2016
Martin Marietta materials, Inc.
Attn,: Nuwan Wijesuriya
PO Box 30013
Raleigh, NC 27622-0013
PAT MCCRORY
Govenrar
DONALD R. VAN DER VAART
Subject: NPDES Stormwater Permit — Notice of Inspection
NPDES Permit No. NCG020171
Clarks Quarry
Craven County
Dear Mr. Wijesuriya:
Secrefary
TRACY DAVIS
v,recrnr
On August 11, 2016, Samir Dumpor and Gary Novak of the Division of Energy, Mineral,
and Land Resources, Washington Regional Office, visited the Clarks Quarry facility and met on
site with you, to perform a compliance inspection of a NPDES General Stormwater permit
number NCG020171 issued to Martin Marietta Materials, Inc.. During the site visit and file
review, it was discovered that site is in very good order and that all required documents
including SPPP and all monitoring results were present. The monitoring results are all
performed in timely manner and are within the benchmark values.
In general, the site is in very good condition, and no non-compliance issues were discovered:
If you have any questions, please feel free to contact me at Samir.DumporCc7ncdenr.gov or
telephone [phone].
Sincerely,
Samir Dumpor, PE
Regional Engineer
cc , /WaRO
State of North Carolina j Environmental Quality I Energy, Mineral and Land Resources
943 Washington Square Mall, Washington, North Carolina 27889
Phone: [phone] Fax: [phone]

10
Compliance Inspection Report
Permit: NCG020171 Effective: 10/01/15 Expiration: 09/30/20 Owner: Martin Marietta Materials Inc
SOC: Effective: Expiration: Facility: Martin Marietta -Clarks Quarry
County: Craven 1315 Old Hwy 70 W
Region: Washington
New Bern NC 28561
Contact Person: Nuwan Wijesuriya Title: Phone: [phone]
Directions to Facility:
System Classifications:
Primary ORC:
Secondary ORC(s):
On -Site Representative(s):
Related Permits:
Inspection hate: 08/11/2016
Primary Inspector: Samir Dumpor
Secondary Inspector(s):
Certification:
Phone:
Entry Time: 01:OOPM Exit Time: 03:OOPM
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 attachment summary)
Page: i

r
permit: NCG020171 Owner - Facility: Martin Marietta Materials Inc
inspection Date: 08/11/2016 Inspection Type : Compliance Evaluation Reason for Visit: Routine
Inspection Summary:
Site visited on Thursday, August 11, 2016. Gary Novak and myself, Samir Dumpor , found site to be compliant. Site is in
good order as well as all of the documentation.
Page: 2

Permit: NCG020171 Owner - Facility: Martin Marietta Matenals inc
inspection Date: 0811112016 Inspection Type : Compliance Evaluation Reason for Visit: Routine
Analytical Monitoring Yes No NA NE
Has the facility conducted its Analytical monitoring? E ❑ ❑ ❑
# Has the facility conducted its Analytical monitoring from Vehicle Maintenance areas? 0111111
Comment. -
Permit and Outfalls Yes No NA NE
# Is a copy of the Permit and the Certificate of Coverage available at the site? E ❑ ❑ ❑
# Were all outfalls observed during the inspection? 0 ❑ ❑ ❑
# If the facility has representative outfall status, is it properly documented by the Division? 0 ❑ ❑ ❑
# Has the facility evaluated all illicit (non stormwater) discharges? ■ ❑ ❑ ❑
Comment:
Qualitative Monitoring Yes No NA NE
Has the facility conducted its Qualitative Monitoring semi-annually? 0 ❑ ❑ ❑
Comment:
Stormwater Pollution Prevention Plan
Yes No NA NE
Does the site have a Stormwater Pollution Prevention Plan?
E ❑ ❑ ❑
# Does the Plan include a General Location (USGS) map?
0 ❑ ❑ ❑
# Does the Plan include a "Narrative Description of Practices"?
0 ❑ ❑ ❑
# 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?
0 ❑ ❑ ❑
# Has the facility evaluated feasible alternatives to current practices?
N ❑ ❑ ❑
# Does the facility provide all necessary secondary containment?
❑ ❑ ❑
# Does the Plan include a BMP summary?
N ❑ ❑ ❑
# Does the Plan include a Spill Prevention and Response Plan (SPRP)?
0 ❑ ❑ ❑
# Does the Plan include a Preventative Maintenance and Good Housekeeping Plan?
0❑ ❑ ❑
# Does the facility provide and document Employee Training?
0❑ ❑ ❑
# Does the Plan include a list of Responsible Party(s)?
0 ❑ ❑ ❑
# Is the Plan reviewed and updated annually?
E ❑ ❑ ❑
# Does the Plan include a Stormwater Facility Inspection Program?
E ❑ ❑ ❑
Has the Stormwater Pollution Prevention Plan been implemented?
0 ❑ ❑ ❑
Comment:
Page: 3

Martin
Marietta
SITE, SPLCIFIC HAZARD AWARENESS CHECKLIST
Location: Clarks Quarry
NiSI-IA ID: 3102009
Address:
1315 Old US 70 W
New Bern, NC 28561
The safety of Customers, Visifmw, Coirtrartors, and Emphgees is cOl'lmely important to us. The following; guidelines
were established to enhance your safety +•tend to provide you vvith guidelines while on our property. All equipment
entering; this operation must meet DOT, (.)SIIA and/or NISIIA safety requirements. Should you have any questions
regarding any of these policies, please see any member of our management staff.
Cuslorrrers, Cohn nactors,apid Visitors
• Unless you have heen provided MSI IA Part 46/4S (raining, you must he escorted by a Martin Marietta Representative at all limes.
• Scat belts must be worn at all times.
• Observe and obey all posted htforntational, Tratfic, and Warning, signs.
• Company vehicles and equipment have the Right of W,1V at all tittles.
• Be careful when approaching mobile equipment. The visibility of the operator is limited. (`'lake sure the Operator knows you are in the area.
• (a1S1Un1L't' trucks will not be loaded if the driver andlor occupants are outside of t[tc cab. Anyone getting out nt'the vehicle is required to wear a hard
hat and salety glasses. 0m, IWILIe' operators arc inssrucled NOT to load any truck it the drive' is outside of the cnh.
• DO not park or drive behind any other vehicle. Under no circumstances should Vol] walk behind or Imwcen any other bucks, or any pieces of mobile
equipment.
• Back up alarms are reotiired on all sell'propelled mobile eouipttent (inclu(Jing commercial aggregasc earricrs) where the operator has an obstructed
view to the rear. The hack -up alarm must be audible above surrounding noise Iel'elS. 11'a back-up alarm is not provided or is not operating, the
vehicle shall not be hacked wltil an observer is presets. Am observer will signal the operator when it is safe to back the equipment. At stockpiles, the
Nwhecl loader operator will be the observer Im- this purpose.
• 1)0 not leave your vehicle unattetded without tirst placing the controls in park or neutral, setting harking brake and chocking wheels.
• Travel only in areas that Vol[ have been ILidlO izcd W tr,IVel in.
• 1 f you must raise your truck heal, du so only in ;r level area, and well away Drop other vehicles. Lower the bed completely help>re nerving the vehicle.
• 1)untp excess material and tarp your loads in designated areas only. Fall protection egtlil7mcmt is required to be worn if you climb on or into the truck
hed.
• Below raising the truck bed, look iiy overhead power lines or other overhead obstructions,
• Stop completely betitre crossing an} railroad track. Look and listen Iar nuwin rail ec ui )mcn1.
• Report any accident or injury intmediasely to the office.
• No firearms, illegal drubs, or alcohol are permitted on the property. Persons under the influence of alcohol or drugs will not he permitted on compan}'
property.
• The dumping of hazardous material or washing out truck becls containing residue of hazardous nmtcrial is strictly prohibited on Mirtin Marietta
property.
• Ile :nv,u'e 111at there may be Fsazurdous chemicals and/or materials on the property, and you may be cxposcd 10 theta. Retttl and heed the warning
lahcls on all containers. SI)S's are available on request. Under MSI IA/USI lA rc>;ul,ttions,you nulls provide to Martin MariClla cmplov�cs,
inliinmation on ,illy hazardous chemicals or material you print; onto this projje�sv. Ask for assistance il'you h:nVc am, questions.
• lie ale-t at all times, and stay clear of mowing equipment.
• F,%ercise care ",[tile traveling on the property. Watch your slop on the ground and on walkways, aid use the handrails.
• Do not smoke where there is a possibility ol'fire or where warning signs prohibit it.
• Avoid areas where welding operations are tieing conducted. ['you must etser these areas, wear the proper eye and respiratory protection.
• lie aware ol,hazards created by adverse weather conditions. These arty include: heavy rain, lightning, hail, high winds, exurene kntperatures, snow
and icc.
• Make yourself aware 01'111c plant warning signals f blasting, lire and eviscuation}. I l'liossible, stay dear ofall areas where blast inblloadifig operations
are ill progress.
• Inspect high .walls tiw loose or falling material prior to approaching the face.
• Do not work neu:r mowing equipment unless it is ahsolutClV necessary and has heen authorized by Plant Management.
• Rehire working on ❑n}' e(Iuipment, make sure it is Stopped, locked out,_and blocked to prevent rnovcmem.
• Wear the correct pesonal protective equipment where necessary. IIARI) I IATS, SAFETY GLASSES, AND SAFFTY SIV )F.S ARI, RF,01ARI:U
AT ALL TIMES. ( )`her lorms of PIT, nmv also be reeluirccl i❑ special circumstances. This maw include hearing and respiratory protection, and tall
protection or high visibility clothing.
• ]aspect Vol][- work area ti)r unsalc conditions. These utay include: unsafe hibhwalls, electricity, lames, vapors, high noise, mobile equipntenl, lire
hazards, moving machinery, I1111 hazards, dust, trip hazards, compressed gasses, asphyxiation, slippery surfaces, pressurized hydraulic lines, 1101
surfaces or liquids, and others. Remove these hazards if possible. lnlarm a member o1, management front h'I�' M of the hazard(s}. "fake adequate
precautions ifthe Itazarel(S) Cannot be eliminated_ It possible. move the edluipnent you are working on to a sale location.
CUSTOMERS, VISITORS AND CONTRACTORS FOUND IN VIOLATION OF THESE RULES ARE
SUBJECT TO RENIOVAL FROM THE PROPERTY, AND TO POSSIBLE FINES BY N'ISHA/OSHA.

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WA O
Beverly Eaves Perdue
Governor
XX
Nc®EWR
North Carolina Department of Environment and
Division of Water Quality
Coleen N. Sullins
Director
July 1, 2011
Mr. Daniel Shephard, Executive Vice President
Martin Marietta Materials, Inc.
PO Box 30013
Raleigh, NC 27622-0013
Natural Resources
Dee Freeman
Secretary
Subject: NPDES General Permit No, NCG020171
Martin Marietta Materials — Clarks Quarry — DLR Permit #: 25-12
Operation and Monitoring Plan (O&M Plan)
Notice of Acceptance
Craven County
The Washington Regional Office (WaRO) Division of Water Quality (DWQ) received an acceptable O&M Plan for
the subject operation on July 1, 2011 (attached). This acceptance fulfills the requirements of the letter sent to
Nuwan Wijesuriya dated December 23, 2010.
Acceptance of the O&M Plan does not relieve the operation from complying with all applicable rules and
regulations. No negative impacts are allowable to wetlands or other waters of the state (including onsite waters of
the state).
Notes: Stormwater Discharges Require Monitoring. If a stormwater discharge occurs, analytical and
qualitative monitoring shall be promptly implemented.
DWQ contact is required prior to any operational changes with the potential to impact waters of the state.
Please contact me by phone [phone] or by email at thom.edaertonCc-)ncdenr.gov_ for additional information
or to report any operational changes.
' I)Ao ly, AAVVtt lMt "
Thom Edgerton
Environmental Engineer
WaRO — DWQ — Surface Water Protection Section
CC: WaRO file
Electronic Copies:
Nuwan Wijesuriya, Environmental Engineer, Martin Marietta Materials, Inc.
Larry Winsor, Martin Marietta Materials, Inc.
Ray Thatcher, Martin Marietta Materials, Inc.
Brian North, Martin Marietta Materials, Inc.
Judy Wehner, Assistant State Mining Specialist, Division of Land Resources
Pat McClain, PE, Regional Office Supervisor, Division of Land Quality
Gary Novak, Area Mining Coordinator, Division of Land Quality
Jennifer Jones, Environmental Engineer, DWQ SWPU - Archdale
North Caroiina Division of water duality
943 Washington Square Mall
Washington, NC 27889
Internet: www.newateraualltv.org
Phone: [phone]
FAX: [phone]
NorthCarolina
Xiturally
An Equal Opportunity/Affirmative Action Employer — $0% Recycledll 0% Post Consumer Paper

Operation and Monitoring Plan 0&M Plan for
Clarks Quarry — Outfall 002
Description of Plan
The purpose of this 0&M Plan is to ensure compliance with the conditions of the stormwater
Generaf Permit No. NCG020000 in connection with the implementation of outfall 002.
Due to pit expansion south of the rail line at Martin Marietta's Clarks Quarry a logistical need
arose for an additional Pit Discharge Outfall (002). Currently the pit water is discharged through
existing outfall 001 into Caswell Branch, the new outfall (002) will discharge further upstream of
outfall 001 into Caswell Branch. Prior to dewatering of pit water (groundwater comingled with
stormwater) through outfall 002, the water will flow through a pit clarification pond. The pit
clarification pond is designed to enable settling out of sediment particles thereby improving the
quality of water to be discharged, and as the new pit expands it will allow for even more settling
time thereby minimizing the potential to impact water quality.
In addition, a rip rap lined plunge pool is to be constructed at the outlet of the clarification pond
to slow down the discharge flow rate to an acceptable non -erosive velocity prior to exiting
through outfall 002. Both the clarification pond and plunge pool are measures that will aid in
ensuring that no negative impacts occur to the Waters of the State. The pit clarification pond
and plunge pool design has been approved through the Division of Land Resources, land Quality
Section. Design details of the clarification pond and plunge pool are included in the appendix of
this 0&M Plan.
The volume of pit water that will be discharged through outfall 002 will not change from what is
currently and historically been discharged through outfall 001.

v
Operation Plan
Wastewater/Process water
This site is covered under the starmwater General Permit No. NCG02D000 (COC Number
020171). In the case of outfall 002, only Mine dewatering wastewater effluent limitations and
monitoring requirements will apply since the Central Office of the Division of Water Quality has
agreed that once stormwater comingles with wastewater it is considered to be wastewater.
The following monitoring frequency and requirements will be followed with respect to
discharges from outfall 002:
Table 7, Monitoring Requirements for Wastewater Discharges in Section D -I., Z., and 3.
Dtsciwrj�e'
t ChalarXt'nstics
EFniis r
Meamwe.ment'
,:Fre uea l;
Sample ~
:,T' eZ
Sample !:
Locatton3<
} ;.
`,ti *Type ;*s`
K2
Standard
Quarterly
Grab
E
All
Settleable Solids2
mlQuarterly
Grab
E
Ali
Total Suspended SolidsZ, 4
mg/1
Quarterly
Grab
E
All
Turbidijy2
NTU
Quarterly
Grab
EorU,D
All
Fecal Coliform2, 5
col n l
Quarterly
Grab
E
Ali fto SA waters
Total Flow6
MG
Quarterly
E
All
Footnotes:
I. The monito ring frequency is quarterly (see Table 9) unless the efliuent limitation In Table 8 is exceeded,
at which tlme month lyy mo nitori nE will be req uired for that param eter for the remaining permit term.
Failure to comply with quarterly monitorIna In accordance with permit terms for any one calendar
quarter Immediately triggers monthly monitoring for all parameters for the remaining permit term.
2- A grab sample Is not required for pH, settleable sollds, TSS, turbidity, or fecal col lfotm (ram a
basin/pond designed to contain or treat mine dewatering wastew-iter and that results from rainfall in
excess of 10-yr, 24-hr storm (except this exemption is not avallable far mine dewatering of clay pits).
3. Sample Location: E - Effluent, or combined {U - Upstream, D - Downstream)
4. All facilities that are mining Industrial Sand are required to monitor TSS and ate subject to the TSS
limits in Table 8, All other "es of mines covered by this permit are also required to monitor TSS, but
ere notsubfectto the limits In Table 8.
5, Only facilities discharging to waters classified as SA waters are required to monitor fo rthis parameter
6, Total Flow volume shall be recorded by a continuous Bow measurement [instrument Alternatively, pump
curves and pump togs may be used as a means to calculate flow volume.

I ,.
The following effluent limitations will be followed with respect to discharges from outfall002:
Table 8. EMUENI LIMITATIONS FOR PROCESS WASTEWATER AND MINE DEWATERING
WASTEWATER
ohscha Chbracteristics ;: `.:... '.
Efftueni Limitations ..
s:, .. .......
Month .Afeia a
Dah Ma iiiium
Settleable Solids
0.1 mill
0.2 mill
Total Suspended Solidsl
25 mg/1
45 mg/1
Total Sus nded Solidsl (HQWI
20 I
45 m
Total Sus nded Solidsl Trout waters & PNA waters
10 m I
45 mg/1
H Ran e2 freshwaters
--------
6.0 - 9.0
H Ra❑ ez saltwater•s
--------
6.8 - 8.5
Tumid' 3
I -_----
Total Volume of Wastewater Discharged H 4
-------
50% of 7Q10 flow4
Footnotes:
1. Applicable to Industrial Sand mining. Monthly Average Limit (or discharges to waters designated as HQW
waters Is 20 mg/1 and 10 mg/I (or trout waters and Primary Nursery Areas (PNAs)
2 Designated swamp waters canhaveapHaslowas4.3lfduetonatural conditions
3. Nollmit In the effluent discharge applies, but turbidity in the receiving waters shall not exceed levels
described below as a result of wastewater discharges
4. The total volume of treated wastewater for all discharges combined shall not exceed 50 percent of the
total in -stream flow of the receiving waters under 7Q10 conditions in HQW waters, including trout and
PNA waters.
The discharge shall not cause the turbidity of the receivingwaterto exceed Water Quality
Standards:
10 NTU freshwater streams, lakes, and reservoirs designated as trout waters
25 NTU all lakes and reservoirs, and all salt waters
50 NTU all otherstrearns and surface waters
If turbidity of the receiving stream exceeds these levels due to natural background conditions, the
existing turbidity level shall not be increased. If theturbidity exceeds these levels as a result of .
wastewater discharges, the permittee must immediately institute monthly monitoring for all
parameters. The permit allows the permittee to monitor turbidity in the effluent or up- and
downstream of the discharge point: however, the permittee should consider regular turbidity
sampling up- and downstream of the discharge(s) when feasible to ensure compliance with water
quality standards.
The permittee shall complete the analytical samplings of wastewater discharges in accordance with
the schedule specified in Table 9. Failure to comply with quarterly monitoring in accordance with
permitterms for anyone calendar quarter immediately triggers monthly monitoring for all
parameters forthe remaining permitterm.

The following Monitoring Schedule will be followed with respect to discharge sampling for
outfall002 throughout the duration of the permit and during the permit renewal process:
Table 9, Monitorine Schedule
Quarterly r
Monitoring Eventsl
Start nate ,
{A11 Years}a
End Date
{A>� Years} 3
1January
1
March 31
2
Aril 1
June 30
3
July 1
Se tember3C
4
Octnberl
December3l
Fnatnntes
1. Maintain quarterly monitoring during permit renewal process (unless an exceedence or failure to
manitor prompts monthly monitoring). If atthe expiration of the General Permit, the permlttee has
submitted an application for renewal of coveragebeforethesubmittaIdeadline, the petmitteewill be
considered for renewed coverage, The applicant must continue monitoring until the renewed Certificate
of Coverage is issued
2. If no discharge occurs during the sampling period, the permittee must record "No Flow" or "No
Discharge" within 30 days of the end ofthe three-month sampling period in their SPPP. No Flow" or "No
Discharge" shall be reported on the Annual Summary Discharge Monitoring Reports (DM R). This 1) MR is
to be submitted to the Divisioa 3 Central office by March 1 of eacb year.
3. Monitoring periods remain constant throughout the five-year permit term (from January1, 2010 to
December3l, 2014),
Stormwater
With respect to stormwater, currently there are no Land Disturbance stormwater outfalls at this
site around the pit areas since the overburden disposal berms around the site are vegetated and
stabilized, and any runoff from the active stripping area flows back into the pit thereby
comingling with wastewater. The Central Office of the Division of Water Quality has made the
determination that once stormwater comingles with process/wastewater it is then considered
wastewater. At which point only effluent parameters associated with wastewater need to be
analyzed during sampling of the discharge. The same would apply to stormwater coming from
vehicle maintenance areas, and at this site the stormwater from the vehicle maintenance areas
does indeed comingle with wastewater.
There is however a stormwater outfall that exists at the office area. There exists a culvert under
the customer truck scale haul road that carries stormwater from a low drainage area offsite. The
stormwater after passing through the culvert flows through a vegetated buffer prior to leaving
Martin Marietta property. We propose to build a basin south of the culvert to treat this
stormwater. It is our intention to build the basin, using machinery onsite, as large and deep as
feasible to allow it to contain the stormwater and have it infiltrate into the ground, thereby
eliminating the runoff. However, we will still continue to monitor this area in case a stormwater
discharge does occur. In which case, we would implement the analytical and qualitative
monitoring requirements as called for by the stormwater General Permit No. NCG020000. More
information can be found in the Stormwater Pollution Prevention Plan (SPPP) that has been
developed for Clarks Quarry.

Monitoring Plan
Plant management shall conduct effluent monitoring as previously indicated. If any of the
effluent limitations is exceeded then the monitoring frequency will switch from quarterly to
monthly for that parameter for the remaining duration of the permit. In addition, any samples
analyzed that exceed a wastewater effluent limit shall be submitted to the applicable Regional
Office of the Division of Water Quality on a Discharge Monitoring Report Form and delivered to
the Division Central Files no later than 30 days from the date that Martin Marietta receives the
sample analysis from the laboratory.
If an exceedance of effluent limits does occur, flocculants on the list approved by the Division of
Water Quality will be used in accordance with the maximum application dose, to bring the
discharge back into compliance with the standards set forth by the stormwater General Permit
No. NCG020000.

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RIPRAP LINED PLUNGE POOL FOR CANTILEVER OUTLET
Reference Design Note No, 6 (Second Edition), Jan, 23, 1986
OCK GRADATION
trial Sae n
100 24
60-W 19
25-50 12
5-20 8
Ofi 2.4
SECTION A -A
51.3 25S
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r pool for pit darirfcatlon pond outlet pipe
LANDOWNER
JER: Nuwan Wgesudya
OF

�C®ENR
North Carolina Department of Environment and Natural Resources
Division of Water Quality
Beverly Eaves Perdue Coieen H. Sullins
Governor Director
December 23, 2010
To: Nuwan Wijesuriya, Environmental Engineer
Martin Marietta Materials
PO Box 30013
Raleigh, NC 27622-0013
Subject: Martin Marietta Materials Inc. - Clarks Quarry - DLR Permit: 25-12
General Permit, Certificate of Coverage No. NCG020171
Outfall 002 Approval
O&M Plan Required CDA
Schedule Meeting
Dear Mr. Wijesuriya;
Dee Freeman
Secretary
The Division of Water Qualities' (DWQ) Washington Region Office (WaRO) received your additional information
response on December 7, 2010. A review has been conducted and this. letter is to serve as notification of the
DWQ's approval of the additional discharge/sample location (Outfall 002).
Please note that an Operation and Maintenance Plan (O&M Plan) is to be developed regarding Outfall 002
by July 1, 2011, and is to be approved by the WaRO.
The purpose of the O&M Plan is to consider all Stormwater (SW), Process Water (PW), Wastewater (WW) and
comingled Groundwater associated with Phase 2 and to provide the measures and/or treatments necessary to
ensure no negative impacts to waters of the state.
Submit the O&M Plan to: NCDENR - DWQ - SWP
Attn: Thom Edgerton, Environmental Engineer
943 Washington Square Mall
Washington, NC 27889
Following the review of the Storm Water Pollution Prevention Plan (SPPP) submitted and recent WaRO
discussions, I recommend that a meeting (at the WaRO) be scheduled to discuss the SW permit, dewatering
operations, O&M Plan, etc. My intent is to have an informal meeting, although all that are interested are welcome
to attend. A meeting will help me gain a better understanding of the operation, as well as clarify the expectations
of the DWQ. Please contact me with suggested dates at you earliest convenience.
Please contact me to schedule the meeting or for additional information at [phone] or via email
thom.ed erton ncdenr. ov.
SiinncAerely,
0
CW 11—L
Thom Edgerton
Environmental Engineer
Cc: Jennifer Jones, Environmental Engineer, CO — SWPU
Judy Wehner, Assistant State Mining Specialist, CO — Division of land Resources
Pat McClain, PE, Regional Engineer, WaRO — Land Quality Section
V,,-*aRO - NCG020171 File
North Carolina Division of Water Quality Internet: www.nrwateroualitv.org
943 Washington Square Mail
Washftlon, NC 27889
Phone: [phone]
FAX: (252) W-9215
An Equal Opportunity/Affirmative Action Employer — 50% Recycledlt 0%n Post Consumer Paper
None
thCarolina
Naturally

��N • � . �+ gig,
HCDENR
North Carolina Department of Environment and Natural Resources
Division of Water Quality
Beverly Eaves Perdue Coleen H. Sullins Dee Freeman
Governor Director Secretary
September 28, 2010
To: Nuwan Wijesuriya, Environmental Engineer
Martin MariettaMdtterials
PO-136x30013
GRaleigh, NC 27622-0013
Subject: Martin Marietta Materials Inc. — Clarks Quarry — DLR Permit: 25-12
General Permit, Certificate of Coverage No. NCG020171
Outfall 002 Request
Additional Information Request
CRNEN C--o
Dear Mr. Wijesuriya;
The Division of Water Qualities' (DWQ) Washington Region Office (WaRO) received your request for the
additional discharge/sample location (Outfall 002) on August 30, 2010, A preliminary review has been conducted
and it has been determined that additional information is required prior to a continued review.
Please provide the following information:
1. A copy of the Stormwater Pollution and Prevention Plan (SPPP) for the DWQ Permit #: NCG020171, as
reference.
2. A copy of the dischargelsample data collected for NCG020171 since January 1, 2010 (Discharge
Monitoring Reports (DMR), Stormwater Discharge Outfall Forms (SDO), etc.).
3. Designate/highlight on the DLR plan set for clarification, the area(s) of expansion which account for the
24 acres of this modification.
4. Present the details of the existing and proposed wastewater discharge(s).
5. Delineate on the DLR plan set, all wetlands and/or surface waters that are located within 400 linear feet of
the mine excavation(s) and' detail measures, methods, and/or restrictions which prevent wetland or
stream degradation. (Wetland delineations, stream calls, calculations, descriptions, etc_ may be utilized
to present this information.)
Following the receipt of the requested additional information, the DWQ review will resume and upon plan
approval, a written response will be distributed. No dewatering activities associated with the subject permit
modifications are allowable prior to the Outfall 002 plan approvals.
Send the additional information to:
NCDENR-DWQ — SWPS
Attn: Thom Edgerton, Environmental Engineer
943 Washington Square Mail
Washington, NC 27889
North Carolina Division of water Quality Internet: vAww.ncwatergualitv.orq
943 Washington Square Mall Phone: [phone]
Washington, NC 27889 FAX: [phone]
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NorthCarolina
;VaNrally

Should you have any questions regarding this request, please do not hesitate to contact me at [phone] or
via email thom.edgerton�ncdenr.gov.
Sincerely,
dEI 4
- d��L
Thom Edgerton
Environmental Engineer
Cc: Jennifer ,tones, Environmental Engineer, CO — SWPU
Judy Wehner, Assistant State Mining Specialist, CO— Division of Land Resources
Pat McClain, PE, Regional Engineer, WaRO — Land Quality Section
Wa RQH NCG0201.7.1--FiIG

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
June 12, 2006
Mr. Donald M. Moe
Martin Marietta Materials inc.
PO Box 30013
Raleigh, NC 27622-30013
Subject: Stormwater General Permit NCG020000
Operations and Maintenance Reminder
Martin Marietta — Clarks Quarry
COC Number NCG020171
Craven County
Dear Permittee:
Our records indicate that you have been issued a Stormwater General Permit and a Certificate
of Coverage for your -facility. These permits have specific conditions that must be met in order for you
to be in compliance with your permit. It is your responsibility, as the permit holder, to read and
comply with the conditions contained in the permit.
It is our responsibility, as the issuing authority, to make sure that the operation and
maintenance of your facility complies with the conditions contained in your permit. To assist you in
complying with these conditions, we are attaching a Technical Bulletin specific to your permit
requirements. We are currently in the process of developing our inspection schedule. Therefore, you
should have all of your records up to date as we may be contacting you in the near future to set up
an inspection of your facility.
If you have any questions, please do not hesitate to contact Samir Dumpor, Pat Durrett or
myself at [phone].
Sincerely
Al Hodge, Supervisor
Washington Regional Office
Surface Water Protection Unit
Encl.
CC: WaRO files
North Carolina Division of Water Quality Internet: h2o.enr.state.nc.us
943 Washington Square Mall Phone: [phone]
Washington, NC 27889 FAX [phone]
NonrthCarolina
Naturally
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February 7, 2005
Donald M Moe
Martin Marietta Materials Inc
PO Box 30013
Raleigh, NC 276220013
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 Qualit}'
PEB 2 1 2005
DWQ-WARQ
Subject: NPDES Stormwater Permit Coverage Renewal
Martin Marietta -Clarks Quarry
COC Number NCG020171
Craven County
Dear Permittee:
In response to your renewal application for continued coverage under general permit NCG020000 the Division of Water
Quality (DWQ) is forwarding herewith the reissued stormwater general permit. Please review the new permit to familiarize
yourself with the changes in the reissued permit. The general permit authorizes discharges of stormwater and some types of
wastewater. You must meet the provisions of the permit for the types of discharges present at your facility. This permit is
reissued pursuant to the requirements of North Carolina General Statute 143-215.1 and the Memorandum of Agreement
between the state of North Carolina and the U.S. Environmental Protection Agency, dated December 6, 1983.
The following information is included with your permit package:
• A new Certificate of Coverage
• A copy of General Stormwater Permit NCG020000
• A copy of a Technical Bulletin for the general permit
Five copies of Discharge Monitoring Report (DMR) Forms - wastewater and stormwater
• Five copies of Qualitative Monitoring Report Form
Your coverage under this general permit is not transferable except after notice to DWQ. The Division 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 DENR or relieve the permittee from responsibility for compliance with any other applicable
federal, state, or local law, rule, standard, ordinance, order, judgment, or decree.
If you have any questions regarding this permit package please contact Bethany Georgoulias of the Central Office Stormwater
Permitting Unit at [phone], ext.529.
Sincerely,
for Alan W. Klimek, P.E.
cc: Central Files
Stormwater & General Permits Unit Files
Washington Regional Office
Onc
NorthCarolina
�'I7llhlrll!!!f
North Carolina Division of Water Quality 1617 Mail Service Center Raleigh, NC 27699-1617 Phone [phone] Customer Service
Internet: h2o.enr.state.nc.uslsulstormwater.html 512 N. Salisbury St. Raleigh, NC 27604 FAX [phone]
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STATE OF NORTH CAROLINA
DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES
DIVISION OF WATER QUALITY
GENERAL PERMIT NO. NCG020000
CERTIFICATE OF COVERAGE No. NCG020171
STORMWATER AND PROCESS WASTEWATER DISCHARGES
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,
Martin Marietta Materials Inc
is hereby authorized to discharge stormwater and to operate treatment systems and discharges associated
with mine dewatering wastewater and process wastewater from a facility located at
Martin Marietta -Clarks Quarry
1315 Old Hwy 70 W
New Bern
Craven County
to receiving waters designated as Caswell Branch, a class C;Sw,NSW stream in the Neuse River Basin in
accordance with the effluent limitations, monitoring requirements, and other conditions set forth in Parts I, II,
III, IV, V, and VI of General Permit No. NCG020000 as attached.
This certificate of coverage shall become effective February 7, 2005.
This Certificate of Coverage shall remain in effect for the duration of the General Permit.
Signed this day February 7, 2005
for Alan W. Klimek, P.E., Director
Division of Water Quality
By Authority of the Environmental Management Commission

,, _;Mate of North Carolina
Department of Environment
and Natural Resources
Division of Water Quality
James B. Hunt, Jr., Governor
Bill Holman, Secretary
Kerr T. Stevens, Director
December 17, 1999
ROBERT WINCHESTER
MARTIN MARIETTA - CLARKS QUARRY
PO BOX 30013
RALEIGH, NC 27622
f
NC-DENR
NORTH CAROLINA DEPARTMENT OF
ENVIRONMENT AND NATURAL RESOURCES
Subject: Reissue - NPDES Stormwater
Martin Marietta - Clarks Quar
COC Number NCGO20171
Craven County
Dear Permittee:
1
f D E C 1 5 1999 I _-
'ermit
4 WASK NGTON REC,IONAL OFFICE
DWQ
In response to your renewal application for continued coverage under general permit NCG020000, the Division of
Water Quality (DWQ) is forwarding herewith the reissued stormwater general permit. This permit is reissued
pursuant to the requirements of North Carolina General Statute 143-215A and the Memorandum of Agreement
between the state of North Carolina and the U.S. Environmental Protection Agency, dated December 6, 1983.
The following information is included with your permit package:
* A copy of general stormwater permit NCG020000
• Five copies of the Analytical Monitoring form and five copies of the Qualitative Monitoring form
* A copy of a Technical Bulletin on this permit which outlines permit components and
addresses frequently asked questions
* A Certificate of Coverage for your facility
* DWQ fee schedule
Your coverage under this general permit is not transferable except after notice to DWQ. The Division 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 DENR or relieve the permittee from responsibility
for compliance with any other applicable federal, state, or local law rule, standard, ordinance, order, judgment, or
decree.
Please note that in 1998 Senate Bill 1366 established changes to the permit fee structure for DWQ permits effective
January 1, 1999. This change requires that you pay an annual fee to assure continued coverage under this permit.
You will be invoiced for this fee beginning next year. A copy of the current fee schedule is included with this letter.
If you have any questions regarding this permit package please contact Tony Evans of the Central Office Stormwater
and General Permits Unit at [phone], ext. 584
Sincerely,
b,-&,elley , t•
for Kerr T. Stevens
Director, Division of Water Quality
cc: Central Files
Washington Regional Office.,
1617 Mail Service Center, Raleigh, North Carolina 27699-1617 Telephone [phone] FAX [phone]
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It
STATE OF NORTH CAROLINA
DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES
DIVISION OF WATER QUALITY
GENERAL PERMIT NO. NCG020000
CERTIFICATE OF COVERAGE No. NCG020171
STORMWATER AND PROCESS WASTEWATER DISCHARGES
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,
MARTIN MARIETTA
is hereby authorized to discharge stormwater and to operate or continue operation of treatment systems and
discharges associated with mine dewatering and process wastewater from a facility located at
MARTIN MARIETTA - CLARKS QUARRY
1315 OLD I WY 70 WEST
NEW BERN
CRAVEN COUNTY
to receiving waters designated as Caswell Branch in the Neuse River Basin in accordance with the effluent
limitations, monitoring requirements, and other conditions set forth in Parts I, II, III, IV, V, and VI of General
Permit No. NCG020000 as attached.
This certificate of coverage shall become effective December 17, 1999,
This Certificate of Coverage shall remain in effect for the duration of the General Permit.
Signed this day December 17, 1999.
for Kerr T. Stevens, Director
Division of Water Quality
By Authority of the Environmental Management Commission

i^
. IJ State of North Carolina
r Department of Environment,
Health and Natural Resources
® Division of Environmental Management
James B. Hunt, Jr., Governor
Jonathan B. Howes, Secretary
A. Preston Howard, Jr., P.E., Director
HORACE S WILLSON
MARTIN MARIETTA-CLARKS QUARRY
PO BOX 30013
RALEIGH NC 27622
Dear Permittee:
September 30, 1993
ON D 71993
D. E M.
Subject: MARTIN MARIETTA-CLARKS QUARRY
Certificate of Coverage NCG020171
General Permit NCG020000
Formerly NPDES Permit NCO061191
Craven County
The Division of Environmental Management has recently evaluated all existing individual permits for potential
coverage under general permits currently issued by the Division. 15A N.C.A.C. 2H .0127 allows the Division to
evaluate groups of permits having similar discharge activities for coverage under general permits and issue
coverage where the Division finds control of the discharges more appropriate in this manner. The Division has
determined that the subject discharge qualifies for such coverage. Therefore, the Division is hereby issuing the
subject Certificate of Coverage under the state-NPDES general permit no. NCG020000 which shall void NPDES
Permit NC0061191. This Certificate of Coverage is issued pursuant to the requirements of North Carolina and the
US Environmental Protection Agency Memorandum of Agreement dated December 6, 1983 and as subsequently
amended.
If any parts, measurement frequencies or sampling requirements contained in this general permit are unacceptable to
you, you have the right to submit an individual permit application, associated processing fee and letter requesting
coverage under an individual permit. Unless such demand is made, this decision shall be final and binding. Please
take notice this Certificate of Coverage is not transferable. Part I1, EA. addresses the requirements to be followed
in case of change of ownership or control of this discharge.
In the event that the facilities fail to perform satisfactorily, including the creation of nuisance conditions, the
Permittee shall take immediate corrective action, including those as may be required by this Division, such as the
construction of additional or replacement wastewater treatment or disposal facilities. Construction of any
wastewater treatment facilities will require issuance of an Authorization to Construct from this Division.
Failure to abide by the requirements contained in this Certificate of Coverage and respective general permit may
subject the Permittee to an enforcement action by the Division of Environmental Management in accordance with
North Carolina General Statute 143-215.6A to 143-215.6C. Please note that the general permit does require
monitoring in accordance with federal law. The monitoring data is required to be submitted to the Division no later
than January 31 for the previous year in which sampling was required to be performed.
Post Office Box 29535, Raleigh, North Carolina 27626-0535 Telephone [phone] FAX [phone]
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Page 2
HORACE S WILLSON
MARTIN MARIETTA-CLARKS QUARRY
Certificate of Coverage No. NCG020171
The issuance of this Certificate of Coverage is an administrative action initiated by the Division of
Environmental Management and therefore, no fees are due at this time. In accordance with current rules, there
are no annual administrative and compliance monitoring fees for coverage under general permits. The only fee
you will be responsible for is a renewal fee at the time of renewal. The current permit expires August 31, 1997.
This coverage will remain valid through the duration of the attached general permit. The Division will be
responsible for the reissuance of the general permit and at such time, you will be notified of the procedures to
follow to continue coverage under the reissued permit. Unless you fail to follow the procedures for continued
coverage, you will continue to be permitted to discharge in accordance with the attached general permit.
The issuance of this Certificate of Coverage does not preclude the Permittee from complying with any and all
statutes, rules, regulations, or ordinances which may be required by the Division of Environmental Management
or permits required by the Division of Land Resources, the Coastal Area Management Act or any Federal or
Local other governmental permit that may be required.
If you have any questions or need additional information regarding this matter, please contact either the
Washington Regional Office, Water Quality Section at telephone number 919/ 946-6481, or a review engineer
in the NPOES Group in the Central Office at telephone number 919/733-5083.
0
cc: Washington Regional Office
Central Files
0
cerely,
A. Preston Howa , Jr., P.E.

'f.
1
STATE OF NORTH CAROLINA
DEPARTMENT OF ENVIRONMENT, HEALTH, AND NATURAL RESOURCES
DIVISION OF ENVIRONMENTAL MANAGEMENT
RECEIVED
WASHINGTON OFFICE
GENERAL PERMIT NO. NCG020000
CERTIFICATE OF COVERAGE No. NCG020171 OCT 0 71993
D. E M.
TO DISCHARGE STORMWATER UNDER THE
I
NATIONAL POLLUNTANT 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,
MARTIN MARIETTA-CLARKS QUARRY
is hereby authorized to discharge stormwater from a facility located at
MARTIN MARIETTA-CLARKS QUARRY
® Craven County
to receiving waters designated as the CASWELL BRANCH/NEUSE RIVER BASIN
in accordance with the effluent limitations, monitoring requirements, and other conditions set forth in Parts I, II,
III and IV of General Permit No. NCG020000 as attached.
This certificate of coverage shall become effective November 1, 1993.
This Certificate of Coverage shall remain in effect for the duration of the General Permit.
Signed this day, September 30, 1993.
A. Preston Howard r., P.E.,Director
Division of Environmental Management
By Authority of the Environmental Management Commission

Martin Marietta Aggregates
P.O. Box 30013
Raleigh, North Carolina 27622-0013
Telephone: [phone]
March 10, 1997
Mr. Barry Adams
Dept. of Environment, Health and Natural Resources
Division of Water Quality
1424 Carolina Avenue
Washington, NC 27889
Subject: Martin Marietta Aggregates - Clarks Quarry
General Permit No. NCG020171
Effluent Limitation Exceedence - Turbidity
Dear Mr. Adams:
` RECEIVED
WASHNG ON-OFF;cE
MAR 1 1 1997
D,EM�
In accordance with the reporting requirements of the above referenced permit, this letter is to serve as
written notification that the pit discharge sample taken at Martin Marietta's Clarks Quarry on January 6,
1997 had a turbidity.reading of 104 ntu's; the permitted monthly average limitation is 50 ntu's.
Tliis reading,'along with previously reported permit exceedances, is attributed to excessive rainfall amounts
and the subsequent flooding caused by Hurricane Fran. This storm caused significant erosion and sediment
deposition in around the active pit area. Several corrective measures and considerations have been taken
thus far to bring this facility back into compliance with the NPDES effluent limitations.
Mine dewatering is accomplished by pumping groundwater and stormwater runoff which collects in the pit
sump through a series of clarification ponds prior to discharge to Caswell Branch. These ponds have been
cleaned out and accumulated sediment and vegetation removed from around each of the weir boxes to allow
for more efficient settling. Flocculate additions are also being reevaluated and will be adjusted if deemed
necessary.
It is hoped that measures taken thus far will remedy this situation. Subsequent samples taken on February
4, 18 and 28`h reported turbidity reading of 59ntu's, 10 ntu's and 3ntu's, respectively, yielding a monthly
average of 24 ntu's. Should you have any questions, or should any additional information be required,
please contact me at 919/781-4550.
Sincerely,
Mitch Scott, PE -
Environmental Engineer
cc:' ' 'Jerry Frazier'
Mike Jones
Horace Willson
David Goodrich, NCDEHNR, NPDES Group

Martin Marietta Aggregates
P.O. Box 30013 � �[
Raleigh, North Carolina 27622-0013
Telephone: [phone]
March 10, 1997
Mr. Barry Adams
Dept. of Environment, Health and Natural Resources
Division of Water Quality
1424 Carolina Avenue
Washington, NC 27889
Subject: Martin Marietta Aggregates - Clarks Quarry
General Permit No. NCG020i
Effluent Limitation Exceedence - Turbidity,
Dear Mr. Adams:
iV
= C;
to
C a
In accordance with the reporting requirements of the above referenced permit, this letter is to serve W.
.
written not that the pit discharge sample taken at Martin Marietta's Clarks Quarry on January.6,
1997 had a turbidity reading of 104 ntu's; the permitted monthly average limitation is 50 ntu's.
This reading, along with previously reported permit exceedances, is attributed to excessive rainfall amounts
and the subsequent flooding caused by Hurricane Fran. This storm caused significant erosion and sediment
deposition in around the active pit area. Several corrective measures and considerations have been taken
thus far to bring this facility back into compliance with the NPDES effluent limitations.
Mine dewatering is accomplished by pumping groundwater and stormwater runoff which collects in the pit
sump through a series of clarification ponds prior to discharge to Caswell Branch. These ponds have been
cleaned out and accumulated sediment and vegetation removed from around each of the weir boxes to allow
for more efficient settling. Flocculate additions are also being reevaluated and will be adjusted if deemed
necessary.
It is hoped that measures taken thus far will remedy this situation. Subsequent samples taken on February
4, 18 and 28'h reported turbidity reading of 59ntu's, 10 ntu's and 3ntu's, respectively, yielding a monthly
average of 24 ntu's. Should you have any questions, or should any additional information be required,
please contact me at 919/781-4550,
Sincerely,
Mitch Scott, PE
Environmental Engineer
cc: Jerry Frazier
Mike Jones
Horace Willson
David Goodrich, NCDEHNR, NPDES Group

Martin Marietta Aggregates
P.O. Box 30013
Raleigh, North Carolina 27622-0013
Telephone: [phone]
September 10, 1996
Mr. Roger Thorpe, Supervisor
NC Dept. of Environment, Health and Natural Resources
Division of Water Quality
1424 Carolina Avenue
Washington, NC 27889
Subject: Martin Marietta Aggregates
Washington Regional Office
Dear Mr. Thorpe:
WRSH N o� b plce
IEP 13
In accordance with the conditions of General Permit No. NCG020000, this letter is to serve as written
notification as to Martin Marietta's intentions in the aftermath of Hurricane Fran which occurred on
September 5, 1996.
Due to high sustained winds and extensive rainfall amounts, a number of the Martin Marietta Aggregate
facilities regulated by the Washington Regional Office experienced major pit flooding, elcctrical failure and
structural damage. In order to return to normal operating conditions, emergency measures are being
implemented -to remove stormwatcr which has accumulated within the respective pits. During the
dewatering process, discharge flow amounts may be significantly higher than normally reported. An
explanation as to the specifics of the storm will be included on the Discharge Monitoring Report (DMR)
for each facility where a permit exceedance is experienced.
Thank you for your cooperation regarding this unfortunate upset. Should you have any questions, or
should any additional information be required, please contact this office at 919/781-4550.
V,-,Py truly yo!:rs,
�t. Sr- a-q-
Mitch Scott
Environmental Engineer
cc: Don Moe
Horace Willson

martin are agg raga es �;
_s-
Y
5kz rrds}'ikrr'Y'•a�>' = wati"•r+�+ ti.:x". �. _ i' ?+r"' 7.: r.,... .,{ .�e-,.. :',r*
---P.O. Box 30013 �- -h
_ Raleigh, North Carolina27822-0013
Telephone: [phone] RECEIVED'
WASHINGTON OFFICE
APR 2 4 � 1995
April 21, 1995 _ ..._
Ms. Carolyn McCaskill, Supervisor A` =
State Engineering Review Group
Division of Environmental Management -
_ P.O. Box 29535 -
Raleigh, N.C.27626-0535
Subject: Engineer's Certification -
Permit No. NCGO20171 - -
-;Martin Marietta 'Aggregates -Clarks Quarry,r
Dear Ms. McCaslll:
A letter dated April 19, 1995 has been received by this office stating that the required -
Certificate of Completion for the Closed Loop System in the above referenced permit has
not been submitted to your office. Martin Marietta's files indicate that this certification was
submitted with letter dated March 30,1994 to the Permits and Engineering Unit in Raleigh.
An additional requirement of the permit is that Martin Marietta notify the Regional Office
in advance of the start-up of the system. This call. was "made .on' March 25, 1994 to the -.�.
Washington Regional Office. The inspector that handles Craven County was not in at the
time and Ms. Lynn Hardison stated that she would make sure that the appropriate person
- would get the , information. During this -call it 'Was -stated that 'the." system -would be
operational on March 28, -1994.
Attached is an additional copy of the information that was submitted in March, 1994. This
' - -information is also -being • supplied - to -the -Washington ''Regioiial Office for• their files.
Please get in touch with this office if any additional information is needed on this matter.
Sincerely, -
Steve Whitt
Environmental Engineer
cc: Mr. Roger Thorpe (NCDEM)
Washington Regional Office
.. r._ _ .. - � '. ....e-r�.�,n'�s. ,.p, �. fid4 L .4•d;r'« •-°' rr«'�-4,f3 ' ,c. •s'Y 1$;g .w
e - _ ..

It
MARTIN MARIETTA AGGREGATES
MARCH 30, 1994
Permits and Engineering Unit
Q.O. Box 29535
Raleigh, NC 27626-0535
POST OFFICE BOX 30013
RALEIGH. NORTH CAROLINA 27622-0013
TELEPHONE [phone]
Subject: Engineer's Certification
Certificate of Coverage NCG020171
Martin Marietta Aggregates- Clarks Quarry
Dear Sirs:
1n accordance with Certificate of Coverage NCG020171 dated March 18, 1994 issued under
General Permit NCG020000 Martin Marietta would like to submit the attached Engineer's
Certification for the above referenced project. This Authorization to Construct was issued
to cover a closed loop settling cell system designed to collect fines created in the production
of crushed aggregate. As noted by the attached statement the system has been constructed
in accordance with the design details that were submitted with the application.
Please get in touch with this office if any additional information is needed on this matter.
Sincerely,
Steve Whitt
Environmental Engineer
cc: Mike Jones
Jerry Frazier

Permit No. NCGO20000
Authorization to Construct
Martin Marietta - Clarks Quarry
March 18, 1994 -
Page 3
1, Michael S. Jones, as a duly registered Professional Engineer in the State of North
Carolina, having been authorized to periodically observe construction of the Closed Loon
Sjetdin Cell - Clarks Quarry, Craven County for the permittee hereby state that, to the best of
my knowledge, due care and diligence was used in both the observation and construction of this
project per the drawings submitted with this permit. This project was observed to be constructed
within the substantial compliance and intent of the approved plans and specifications.
011
Signature Registration No. ZXGZO
Date 3
A R� '•�.,,
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11620
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April 19, 1995
HORACE S WILSON
MARITN MARIETTA-CLARKS QUARRY
PO BOX 30013
RALEIGH, NC 27622
RECEIVED
VVAS81NGTON OFFICE
APR 2 4 1995
4 D. E M.
SUBJECT: CERTIFICATE OF COMPLETION
PERMIT NO. AC0020171
MARITN MARIETTA-CLARKS QUARRY
CRAVEN COUNTY
Dear Permi.ttee:
On March 18, 1994 the Division of Environmental Management issued you
the subject permit. One of the conditions of the subject permit read as
follows:
Upon completion of construction and prior to operation of this permitted
facility, a certification must be received .from a professional engineer
certifying that the permitted facility has been installed in accordance
with the requirements of this permit and the approved plans and
specifications. Mail certification to the Permits and Engineering Unit,
P.O. Box 29535, Raleigh, N.C., 27626-0535.
To date, our records show that no certification has been received for the
subject permit. If the permitted facility has been constructed and placed into
operation please submit- the required certification immediately. Operat- on=ofo
hhe=tr.eatment—systbm=prior=to=submitss=isonzofothe=requ3:r.ed=cer.t±f cation=its=i:nm
•violation=of=your=-perm::i;t-nnd=is—_subject=to=en.for.cementzact::i:an. If you hnve any
questions, please contact your consulting engineer. for Lhi.s project, . If the
facility has not been constructed, please contact the Washington Regional
Office at [phone],so that they can update their records.

Thank you for your prompt nt-tenti.on to this matter.
Sincerely,
Original Signed 15Y
jwgla Y. Griffin for
Carolyn McCaskill., Supervisor
State Engineering Review Group
cc: File
Washington—Regional=O.ffice-%

E
0
B
State of North Carolina
Department of Environment,
Health and Natural Resources
Division of Environmental Management
James B. Hunt, Jr., Governor
Jonathan B. Howes, Secretary
A. Preston Howard, Jr., P.E., Director
Mr. Steve Whitt
Martin Marietta Aggregates
PO Box 30013
Raleigh, NC 27622-0013
Dear Mr. Whitt:
A74JF*
)A
C)FHNF1 1
RECEIVED
March 18, 1994 01.3HINGTON OFFICE
1). E. M. �
Subject: Ineral Permit NCG020000 i
Cert. of Coverage NCG020171
Clarks Quarry
Craven County
In accordance with your application for an NPDES general permit Authorization to Construct
received February 3, 1994 by the Division, we are herewith forwarding the subject Authorization to
Construct under the state-NPDES general permit for a'mining facility and one set of final approved plans
and specifications. Authorization is hereby granted for the construction and operation of a closed loop
settling pond system at Clarks Quarry. This Certificate of Coverage is issued pursuant to the requirements
of North Carolina and the US Environmental Protection Agency Memorandum of Agreement dated
December 6, 1983 and as subsequently amended.
If any parts, measurement frequencies or sampling requirements contained in this general permit
are unacceptable to you, you have the right to submit an individual permit application and letter requesting
coverage under an individual permit. Unless such demand is made, this decision shall be final and
binding. Please take notice this permit is not transferable. Part H, EA. addresses the requirements to be
followed in case of change of ownership or control of this discharge.
The Authorization to Construct is issued in accordance with Part H, Section E of NPDES General
Permit No. NCG020000, and shall be subject to revocation unless the wastewater treatment facilities are
constructed in accordance with the conditions and limitations specified in Permit No. NCG020000.
In the event that the facilities fail to perform satisfactorily, including the creation of nuisance
conditions, the Permittee shall take immediate corrective action, including those as may be required by this
Division, such as the construction of additional or replacement wastewater treatment or disposal facilities.
The Washington Regional Office, telephone number 919/946-6481, shall be notified at least forty-
eight (48) hours in advance of operation of the installed facilities so that an in -place inspection can be
made. Such notification to the regional supervisor shall be made during the normal office hours from 8:00
a.m until 5:00 p.m. on Monday through Friday, excluding State Holidays.
Upon completion of construction and prior to operation of this permitted facility, a certification
must be received from a professional engineer certifying that the permitted facility has been installed in
accordance with the NPDES Permit, the Certificate of Coverage, this Authorization to Construct and the
approved plans and specifications. Mail the Certification to the Permits and Engineering Unit, P.O. Box
29535, Raleigh, NC 27626-0535.
P.O. Box 29535, Raleigh, North Carolina 27626-0535 Telephone [phone] FAX 919-733-M6
An Equal Opportunity Affirmative Action Employer 50% recycled/ 10% post -consumer paper

Permit No. NCG020000
Authorization to Construct
Martin Marietta -Clarks Quarry `
March 18, 1994
® Page 2
A copy of the approved plans and specifications shall be maintained on file by the Pemuttee for the
life of the facility.
Failure to abide by the requirements contained in this Authorization to Construct may subject the
Permittee to an enforcement action by the Division of Environmental Management in accordance with
North Carolina General Statute 143-215.6A to 143-215.6C.
The issuance of this permit does not preclude the Permittee from complying with any and all
statutes, rules, regulations, or ordinances which may be required by the Division of Environmental
Management or permits required by the Division of Land Resources, the Coastal Area Management Act or
any Federal or Local other governmental permit that may be required..
If you have any questions or need additional information, please contact Charles Alvarez,
telephone number 919n33-5083.
cc: Craven County Health Department
Washington Regional Office, Water Quality
Training and Certification Unit
c:letters:acg20l7l
0
Sincerely,
ti
,A -Preston Howard, Jr., P.E.

Permit No. NCG020000
Authorization to Construct
Martin Marietta -Clarks Quarry '
March 18, 1994
Page 3
Enginger's Certification
1, , as a duly registered Professional Engineer in the State of North
Carolina, having been authorized to observe (periodically, weekly, full time) the construction of the
project, , for the
Project Name Location
Permittee hereby state that, to the best of my abilities, due care and diligence was used in the observation
of the construction such that the construction was observed to be built within substantial compliance and
intent of the approved plans and specifications.
Signature
Date
0
Registration No

TO: Permits and Engineering Unit
Water Quality Section
Date: March 11,1994
AUTHORIZATION TO CONSTRUCT
NPDES PERMIT
REPORT AND RECOMMENDATIONS
County: Craven
Permit No. NCG020171
PART I - GENERAL INFORMATION
1. Facility and Address:Martin Marietta Aggregates -Clarks Quarry
NCSR 1005, New.Bern, NC
2. Date of On -Site Investigation: March 10, 1994
3. Report Prepared by: R. Tankard
4. Persons Contacted and Telephone Number: Jim Buyers (Field
Engineer, Martin Marietta Clarks Quarry) and Mike Jones
(Manager, Martin Marietta Clarks Quarry) : [phone]
5. Verified Discharge Point(s), List for all discharge points:
No discharge point will exist for the process settling cells.
Process will utilize a closed loop system with additional
makeup water. The dewatering of the mine will still discharge
at the same location as stated by their permit.
6. Size (land available for expansion and upgrading): Yes. The
site is approximately 482 acres in size.
7. Topography (relationship to flood plain included): Site is
approximately 26.5 feet above mean sea level.
8. Location of nearest dwelling: Nearest dwelling is
approximately 600 yards northeast of the proposed settling
cells.
PART II - DESCRIPTION OF DISCHARGE AND TREATMENT WORKS
1. Type of existing treatment facility: Facility is an aggregate
mining operation.
2. Type of proposed treatment facility: Proposed treatment is
a settling basin in a closed loop process.
Authorization to Construct Staff Report
Version 8/91
1

3. Sludge handling and disposal scheme: N/A.
4. Treatment plant classification (attach completed rating
sheet): N/A.
5. SIC Code(s): 1422
Wastewater Code(s): 41
Main Treatment Unit Code: 500-0
PART III - EVALUATION AND RECOMMENDATIONS
The settling cells that have been asked for under the A to C has
already been constructed. The weirs and the pipes have not yet
been installed. Martin Marietta has not put these cells into the
process at this time. They are waiting for the A to C to complete
the cells.
The office recommends issuance of the A to C.
.,-Uj Tjj
SIGNAT RE OF REPORT PREPARER
1�1,x 2 ftc=
WATEA QUALITY REGIONAL SUPERVISOR
3 lc Ala K
DATE
Authorization to Construct Staff Report
Version 8/91
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State of North Carolina
Department of Environment,
Health and Natural Resources
Division of Environmental Management
James B. Hunt, Jr., Governor
Jonathan B. Howes, Secretary
A. Preston Howard, Jr., P.E., Director
February 16, 1994
Mr. Steve Whitt Subject: Authorization to Construct Request
Martin Marietta Aggregates Application Number NCG020171
PO Box 30013 Clarks Quarry
Raleigh, NC 27622-0013 Craven County
Dear Mr. Whitt:
This is to acknowledge receipt of the following documents on February 3, 1994:
Request for an Authorization to Construct
Engineering Proposal (for proposed control facilities),
Request for permit renewal,
Application processing fee of $200.00,
Engineering Economics Alternatives Analysis, ., _._.....,_,_..._.
Engineering Plans and Specifications RECEIVED
Local Government Signoff, WASHINGTON OFFICE
Source Reduction and Recycling,
Interbasin Transfer, FEB $ 199�
Other, D. E M.
The items checked below are needed before review can begin:
Completed Notice of Intent (Application Form),
Engineering proposal (see attachment),
Application Processing Fee of $,
Delegation of Authority (see attached),
Biocide Sheet (see attached),
Engineering Economics Alternatives Analysis,
Engineering Plans and Specifications
Local Government Signoff,
Source Reduction and Recycling,
Interbasin Transfer,
Other,
If the application is not made complete within thirty (30) days, it will be returned to you and may
be resubmitted when complete.
P.O. Box 29535, Raleigh, North Carolina 27626-0535 Telephone [phone] FAX [phone]
An Equal Opportunity Affirmative Action Employer 50% recycled/ 10% post -consumer paper
a�

Martin Marietta Aggregates
February 16, 1994
Page Two
This application has been assigned to Charles Alvarez (919/733-5083) of our Permits Unit for
review. You will be advised of any comments, recommendations, questions or other information
necessary for the review of the application.
1 am, by copy of this letter, requesting that.our_Regional Office Supervisor prepare a staff report
and recommendations regarding this discharge. If you have any questions regarding this
application, please contact the review person listed above.
Sincerely,
�U 14,
l
oleen Sullins, P.E.
cc: Washington Regional Office
Permit Application File

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MARTIN MARIETTA AGGREGATES
February 1, 1994
Mr. Dave Goodrich, Supervisor
NPDES Program____.
Water Quality Permits and Engineering Unit
N.C. Division of Environmental Management
P.O. Box 29535
Raleigh, N.C. 27626-0535
POST OFFICE BOX 30013
RALEIGH, NORTH CAROUNA 27622-0013
TELEPHONE{g18f 787-4550
Subject: Request For Authorization To Construct
Closed Circuit Settling Cell System
Martin Marietta Aggregates- Clarks Quarry
Dear Mr. Goodrich:
Enclosed please find duplicate copies of design drawings for a closed loop settling cell
system at Martin Marietta's Clarks Quarry in Craven County. This system will consist of 2
cells designed to receive wash water from the existing process plant. Fines washed from the
crushed stone will settle in these ponds allowing the clean water to be recirculated to the
plant. Certificate of Coverage #NCG020171 under General Permit #NCG020000 currently
covers this facility and includes the operation and maintenance of this type of system. As
required the detailed drawings of the proposed system have been sealed by a Professional
Engineer.
The pipes and weirs included in this system have been sized to handle a design flow of 7200
gallons per minute. The ponds will be constructed with 2-foot of freeboard and all surface
flow will be directed around the system. Average water depth will be 32 feet with only
approximately 5.5 feet of water elevation above natural ground elevation. All external slopes
will be a maximum of 3:1 and will be seeded upon completion.
Also included with this information is a copy of the site plan with the location of these cells
shown and check #99-020720 in the amount of $200.00 to cover the permit review.
Please get in touch with this office if any additional information is needed on this matter.
Sincerely,
Steve Whitt
Environmental Engineer

DIVISION OF ENVIRONMENTAL MANAGEMENT
February 16, 1994
To: Washington' Regional Office
From: Charles Alvarez, Env. Engineer, NPDES Permits
Subject:. ATC for Martin Marietta Aggregates -Clarks Quarry,
NCG020171, Craven County
Attached are the plans and specifications for the Clarks Quarry
recycle process water system. While this would normally be handled
as a non -discharge permit, the recycling of process water is handled
through the stormwater GP. Please comment on the appropriateness
of the plans for this facility. If you need any more information
please call me at 919/ 733-5083 ext 573.
RECEIVED
1°,1AE INGTON OFFICE
FEB 1 71994
Vf Li li!•
S

i
MARTIN MARIETTA AGGREGATES
February 1, 4994
Mr. Dave Goodrich, Supervisor
NPDES Program
Water Quality Permits and Engineering- Unit
N.C. Division of Environmental Management
P.O. Box 29535
Raleigh, N.C. 27626-0535
POST OFFICE BOX 30013
RALEIGH, NORTH CAROLINA 27622-0013
TELEPHONE (9M 781-4550
Subject: Request For Authorization To Construct
Closed Circuit Settling Cell System
/Martin, Marietta Aggregates- Clarks Quarry
Dear Mr. Goodrich:
--1 3:IY
Enclosed please find duplicate copies of design drawings for a closed loop settling cell
system at Martin Marietta's Clarks Quarry in Craven County. This system will consist of 2 ,�� (ko
cells designed to receive wash water from the existing process plant. Fines washed from the 4
crushed stone will settle in these ponds. allowing the clean. water to be recirculated to the ::a
plant. Certificate of Coverage #NCG020171 under General Permit #NCG020000 currently;
covers this facility and includes the operation and maintenance of this type of system. As {v-
o
required the detailed drawings of the proposed system have been sealed by a Professional �,
Engineer. }
The pipes and weirs included in this system have been sized to handle a design flow of 7200
gallons per minute. The ponds will be constructed with 2-foot of freeboard and all surface
flow will be directed around the system.. Average water depth will be 32 feet with only
approximately'5.5 feet of water elevation above natural ground elevation. All external slopes
will be a maximum of 3:1-.and will -be-seeded upon completion.
Also included with this information is a copy of the site plan with the location of these cells
shown and check #99-020720 in the amount of $200.00 to cover the permit review.
Please get in touch with this office if any additional information is needed on this matter.
Sincerely,
J �+
Steve Whitt
Environmental Engineer

MARTIN MARIETTA AGGREGATES
CLARKS QUARRY
ENGINEER'S CERTIFICATION
I, Michael S. Jones, as a duly registered Professional Engineer in the State of North
Carolina, certify the concept on the attached three drawings (623-1, 623-2, 623-3) and on the
Mine Map Drawings December 14, 1993 are acceptable means for controlling fines in a Quarry
Closed Water System. Although certain portions of this'submittal package have been developed
by other professionals, inclusion of these materials under my signature and seal. signifies that I
have reviewed this material and have judged it to be consistent with adequate Quarry Closed
Water System Design concepts.
Signature
Registration No.. //. G Z O
Date
Seal
s CApp�
�: *%ItSS/p�.,�9':
S EAL `
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11620
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`MARTIN MARiETTAAGGREGATES J°e_ f�)ETTu�ila
SHEET NO. [ OF
P.O. BOX 30013 CALCULATED BY ; lW _ DATE 4LJ4'
RALEIGH, NC 27622 CHECKED BY DATE
[phone] SCALE 1- IrJO_ __OAwc._(.,Z3-1

MARTIN MARIETTA AGGREGATES
P.O. BOX 30013
RALEfGH, NC 27622
[phone]
,roe ��La�ca (�L✓��—GLrp.R�SGkJc�a�,—�
SHEET NO, �% o�`' OF
CALCULATED BY S ! DATE 4
CHECKED BY DATE
SCALE ❑

MARTIN MARIETTA.AGGREGATES
P.O. BOX 30013
RALEIGH, NC 27622
[phone]
JOB lAf LL" GLo. r Q 4 2
SHEET NO. _ 3 OF
CALCULATED BY _�5� I DATE __ IA Ws�4---
CHECKED BY DATE
SCALE D,P1A1 r ._ 69 Z. '3^ 3

Qp,� p Oc n j 'r� M�
General Permit No. NCGO2000 has been developed for mining operations to control and monitor
stormwater discharges.
The General Permit replaces the existing NPDES discharge permits which covered mine dewatering
only. Stormwater is now an important factor that must be monitored by collecting rainfall data and
water samples. Stormwater discharges can cause serious off -site sediment problems if proper erosion
control devices have not been installed.
Themining permit, erosion and sediment control plan and the reclamation plan are considered an
important part of this General Permit and must be available on the site at all times. The.mining permit is
included as a condition of the General Permit. A violation of the mining permit could also result in, a
violation of the General Permit.
1 All erosion control facilities must be inspected every seven (7) calendar days and within
24 hours of a rainfall event that flows off the property.
2) The erosion control facilities must be inspected by visual observation for the Six (6)
items noted on the attached "Site juspe tiglt_RgUg "
3) The "Site Inspection Report" must be completed and signed as dictated by the stormwater
events. These reports must be maintained on site and made available to agency
personnel.
4) Logs must be kept of all sampling data and activities taken to implement. "l_t
Management Practices." The log and plan must be kept on site for the duration of the
permit term.
The permittee must report by phone to Environmental Services (919/781-4550) or to the
State Water Quality Section at 919n33-5083 if any non-compliance occurs which may
endanger health or the environment. If unsure, call anyway. The following must also be
reported within twenty-four (24) hours:
A) Any unanticipated bypass or upset which exceeds any effluent limitation.
B) Violation of a maximum daily discharge limitation listed in the permit (handled
by Environmental Services).
A written submission shall also be provided within five (5) days of the time the permittee
becomes aware of the circumstances.

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6) Visible sediment found off -site is one of the major concerns of the State. This item will
be closely monitored. Inspection Reports must include adequate details of measures
taken to correct the condition as well as any measures taken to clean up the sediment
found off -site.
MEOW u 10412141 -0.40111PRIOR
The General Permit covers stormwater discharges from the following three areas of the mining
operation:
(1) Pit _Dewaterine Same as existing NPDES permit requirements,
(2) GradingQperations Must sample one per year during a normal rainfall
event. Must also record inches of rainfall and hours
of duration. Sample where water leaves property.
(3) Shoff Must sample once every 20 months (3 times during
5-year permit period). First sample due within 6 months of
permit coverage. Must also record inches of rainfall and
hours of duration. Flow through the outfall device can be
based on drainage area. Must sample between April and
November.
1) Sampling requirements for grading operations and shop areas must be done during a
reoresentative storm event which is: A rainfall event that is between 0.2 and 0.8 inches
and has a duration of greater than 3 hours preceded by at least 72 hours (3 days) in which
no storm event measuring greater than 0.1 inches has occurred_
2) Containment required for all storage tanks larger than 660 gallons or aggregate storage of
greater than.1,320 gallons.
3) Best Management Practices (BMP Plan) will include the erosion control plan,
containment structures, waste oil handling, oil filter disposal, etc. These plans to be
developed by Environmental Services.
4) Sampling requirements for retention ponds:
Detains for 24 hours the runoff from 1" rain — Collect a grab sample within 30
minutes.
• Capacity to hold 10-year storm -- Visual observations for 6 items noted on "Site
Inspection Report".
• Capacity to hold 25 year storm — No sampling.

ADUaW Ile - -
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REVISIONS
0'- Q�vtb c�_d
MINE MAP
MARTIN MARIETTA G G � RE GAVE S
CLARKS UARRY
12
CRAVEN COUNTY, NORTH CA OLINA
SCALE: 1 E' = 300' DATE: DECEMBER 14, 1993
PREPARED BY: LISA PATTERSON
WILLL M G. DANIEL & ASSOCIATES
MVGRVRZRflM PLANNING LANDSCAPE ARCW=CrVRR
11W SOUTH EAST MAYNARD ROAD
GARY. NORM CAROLINA 27511 (919)407.9M
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