NCG140358_MONITORING INFO_20160513

STORMWATER DIVISION CODING SHEET
NCG PERMITS
PERMIT N0.
/v -3S b
DOC TYPE
❑HISTORICAL FILE
fjk MONITORING REPORTS
DOC DATE
❑ � 0 (11 0 5 '
YYYYMMDD

N-� bv,l �3�
PROCESS WASTEWATER — Quarterly Discharge Monitoring Report
GENERAL PERMIT NO NCG140000
CERTIFICATE OF COVERAGE NO NCG140238
FACILITY NAME Mocksville
PERSON COLLECTING SAMPLES Rik Jones
CERTIFIED LABORATORY Prism Lab # 402
LIMIT VIOLATIONS? YES ❑ NO
Part A Wastewater Monitorine Reouirements
SAMPLE COLLECTION YEAR 2015
SAMPLE QUARTER ❑Jul -Sept ❑Oct -Dec ®Jan March ❑April -June
RECEIp VE&OUNTY Davie
PHONE NO [phone]
MAY 1 c ADD TO LISTSERVE7 ❑YES ®NO EMAIL
CENTRAL FILES DISCHARGING TO CLASS []SA ❑HQW ❑PNA ❑Trout ®Other
DWR SECTIO",i OPTIONAL INFO
OutfaU No
Date Sample
1
Collected
(mm/dd/yr)
Type of Wastewater
(VE, RM, MD)'
pH
(standard)
Total Suspended
Solids
(mg/L)
Settleable
Solids
(mL/L)
TPH usingDischarge
method 1664A
SGT-HEM'
(mg/L)
Duration
(minutes)
Total Flow
7
(gallons/day)
-
RM, MD
6-93 °
303 s
53
(15)6
-
-
001
03/31/15
No Flow
` If wastewater systems have not discharged in this quarter — report No Flow or No Discharge here Please make sure to mark the sample quarter above
Report the abbreviation for the type of Authorized Wastewater Discharges here Vehicle and Equipment Cleaning (VE) Raw Material Stockpiles (RM) Mixing Drum
Cleanout (MD) Report more than one type if the waste stream is commingled
3If an effluent limit is exceeded twice in a row the perm+ttee is required to institute monthly monitoring for that parameter for six months unless DWQ RO staff
notifies you to continue monitoring
4 pH limits are 6-9 5 U for wastewater discharges to freshwaters and 6 8 8 5 S U for discharges to saltwaters
5 TSS limits are 20 mg/L for wastewater discharges to HQW waters 10 mg/L for Trout and PNA waters and 30 mg/L for all other water classifications
Permit Date 7/1/2010 06/30/2015 Last Revised 07/13/11
Page 1 of 2
ft�
`C

6 Process wastewater discharges shall only be monitored for TPH when commingled with stormwater discharges from VMA areas TPH does not have a limit for wastewater
,but -Mead is subject to benchmarks and provisions of Part IV Section A including the Tiered Response Action
7 Flow rate can be measured continuously or calculated Flow limits for wastewater discharges to HQW waters shall beset to 50% of the Summer 7Q10 Flow as per 15A
NCAC 028 0224 Permittees who discharge wastewater to HQW waters shall obtain a Summer 7Q10 flow and report this information to DWQ If the permittee cannot
obtain a Summer 7Q10 flow for the receiving waters at the discharge location, the permittee shall notify DWQ and the DWQ Regional Office may require an annual flow
report on a case by case basis
MAIL ORIGINAL AND ONE COPY OF THIS ANNUAL SUMMARY (INCLUDING ALL "NO FLOW "NO DISCHARGE") WITHIN 30 DAYS OF RECEIPT OF SAMPLE (OR
AT END OF MONITORING PERIOD IN CASE OF "NO FLOW") TO
Division of Water Quality
Attn DWQ Central Files
1617 Mail Service Center
Raleigh, North Carolina 27699-1617
[phone]
YOU MUSTSIGN THIS CERTIFICATION FOR ANY INFORMATION REPORTED
"I certify, under penalty of law, that this document and all attachments were prepared under my direction or supervision in accordance with a system designed to
assure that qualified personnel properly gather and evaluate the information submitted Based on my inquiry of the person or persons who manage the system, or
those personsItheo'
rectly responsible for gathering the information, the information submitted is, to the best of my knowledge and belief, true, accurate, and complete
I am a>�are the significant penalties for submitting false information, including the possibility of fines and imprisonment for knowing violations
{Sign ture of Permittee) (Date)
Permit DLe 7/1/2010-06/30/2015 Last Revised 07/13/11
Page 2 of 2

4 -- --.
PROCESS WASTEWATER — Quarterly Discharge Monitoring Report
GENERAL PERMIT NO NCG140000
c oy') G K e t-
CERTIFICATE OF COVERAGE NO NCG140238
FACILITY NAME Mocksville
PERSON COLLECTING SAMPLES Rik Jones t
CERTIFIED LABORATORY Prism Lab # 402 Q
LIMIT VIOLATIONS? YES ❑ NO ® 1
Part A Wastewater Monitonne Reouirements
SAMPLE COLLECTION YEAR 2015
SAMPLE QUARTER ❑Jul -Sept ®Oct -Dec ❑Jan -March
COUNTY Davie
PHONE NO [phone]
ADD TO LISTSERVE? DYES ®NO EMAIL
DISCHARGING TO CLASS [:]SA ❑HQW
OPTIONAL INFO
❑Aprjl-Juneo
❑PNA ❑Trout ®Other
Outfafl No
Date Sample
1
Collected
(mm/dd/yr)
Type of Wastewater
(VE, RM, MD)'
pH
(standard)
Total Suspended
Solids
(mg/L)
Settleable
Solids
(mL/L)
TPH usingDischarge
method 1664A
SGT-HEM'
(mg/L)
Duration
(minutes)
Total Flow
7
(gallons/day)
-
RiVI, MD
6 93 °
303 s
53
(15)6
-
-
001
12/14/15
No Flow
t,
ru
L
CENTRAL
FI
WR SECT(Oi
LJ
' If wastewater systems have not discharged in this quarter— report No Flow or No Discharge here Please make sure to mark the sample quarter above
2 Report the abbreviation for the type of Authorized Wastewater Discharges here Vehicle and Equipment Cleaning (VE) Raw Material Stockpiles (RM) Mixing Drum
Cleanout (MD) Report more than one type if the waste stream is commingled
31f an effluent limit is exceeded twice in a row the permittee is required to institute monthly monitoring for that parameter for six months unless DWQ RO staff
notifies you to continue monitoring
pH limits are 6 9 S U for wastewater discharges to freshwaters, and 6 8 8 5 5 U for discharges to saltwaters
5 TSS limits are 20 mg/L for wastewater discharges to HQW waters 10 mg/L for Trout and PNA waters and 30 mg/L for all other water classifications
Permit Date 7/1/2010 06/30/2015 Last Revised 07/13/11
Page 1 of 2

e Process wastewater discharges shall only be monitored for TPH when commingled with stormwater discharges from VMA areas TPH does not have a limit for wastewater
bu*stead is subject to benchmarks and provisions of Part IV Section A, including the Tiered Response Action
�' Flow rate can be measured continuously or calculated Flow limits for wastewater discharges to HQW waters shall beset to 50% of the Summer 7Q10 Flow as per 15A
NCAC 028 0224 Permittees who discharge wastewater to HQW waters shall obtain a Summer 7Q10 flow and report this information to DWQ If the permittee cannot
obtain a Summer 7Q10 flow for the receiving waters at the discharge location the permittee shall notify D1h1Q, and the DWQ Regional Office may require an annual flow
report on a case by case basis
MAIL ORIGINAL AND ONE COPY OF THIS ANNUAL SUMMARY (INCLUDING ALL "NO FLOW, -NO DISCHARGE") WITHIN 30 DAYS OF RECEIPT OF SAMPLE (OR
AT END OF MONITORING PERIOD 1N CASE OF "NO FLOW") TO
Division of Water Quality
Attn DWQ Central Files
1617 Mail Service Center
Raleigh, North Carolina 27699-1617
[phone]
YOU MUST SIGN THIS CERTIFICATION FOR ANY INFORMATION REPORTED_
"I certify, under penalty of law, that this document and all attachments were prepared under my direction or supervision in accordance with a system designed to
assure that qualified personnel properly gather and evaluate the information submitted Based on my inquiry of the person or persons who manage the system, or
those persons directly responsible for gathering the information, the information submitted is, to the best of my knowledge and belief, true, accurate, and complete
I am aware that there acq significant penalties for submitting false information, including the possibility of fines and imprisonment for knowing violations
ature of Permit -tee)
Permit Date 7/1/2010 06/30/2015
1(2711(.
(Date)
Last Revised 07/13/11
Page 2 of 2

PROCESS WASTEWATER — Quarterly Discharge Monitoring ReportD�
GENERAL PERMIT No NCG140000�
CERTIFICATE OF COVERAGE NO NCG140238
FACILITY NAME Mocksville
PERSON COLLECTING SAMPLES Rik Jones
CERTIFIED LABORATORY Prism Lab # 402
LIMIT VIOLATIONS? YES ❑ NO
Part A Wastewater Monitorine Reouirements
© ^
SAMPLE COLLECTION YEAR 2015
RECEIVEDSAMPLE QUARTER ®Jul -Sept ❑Oct -Dec ❑Jan -March ❑April -June
OCT 2 Z kic COUNTY Davie
PHONE NO [phone]
CENTRAL FILES ADD TO LISTSERVE7 ❑YES ®NO EMAIL
DWR SECTION DISCHARGING TO CLASS ❑SA ❑HQW
OPTIONAL INFO
❑PNA ❑Trout ®Other
Outfall No
Date Sample
1
Collected
(mm/dd/yr)
Type of Wastewater
(VE, RM, MD)'
pH
(standard)
Total Suspended
Solids
(mg/L)
Settleable
Solids
(mL/L)
TPH usingDischarge
method 1664A
SGT HEM''
(mg/L)
Duration
(minutes)
Total Flow
(gallons/day)'
-
-
RM, MD
6 934
3035
53
(15)6
-
-
001
09/22/15
No Flow
' if wastewater systems have not discharged in this quarter — report 'No Flow or No Discharge here Please make sure to mark the sample quarter above
2 Report the abbreviation for the type of Authorized Wastewater Discharges here Vehicle and Equipment Cleaning (VE), Raw Material Stockpiles (RM), Mixing Drum
Cleanout (MD) Report more than one type if the waste stream is commingled
3If an effluent limit is exceeded twice in a row the permittee is required to institute monthly monitoring for that parameter for six months unless DWQ RO staff
notifies you to continue monitoring
pH limits are 6-9 S U for wastewater discharges to freshwaters, and 6 8 8 5 S U for discharges to saltwaters
5 TSS limits are 20 mg/L for wastewater discharges to HQW waters 10 mg/L for Trout and PNA waters, and 30 mg/L for all other water classifications
Permit Date 7/1/2010 06/30/2015 Last Revised 07/13/11
Page 1 of 2

e Process wastewater discharges shall only be monitored for TPH when commingled with stormwater discharges from VMA areas TPH does not have a limit for wastewater
but instead is subject to benchmarks and provisions of Part IV Section A, including the Tiered Response Action
Fldw ratt'tan be measured continuously or calculated Flow limits for wastewater discharges to HQW waters shall beset to 50% of the Summer 7Q10 Flow as per 15A
NCAC 02B 0224 Permittees who discharge wastewater to HQW waters shall obtain a Summer 7Q10 flow and report this information to DWQ If the permrttee cannot
obtain a Summer 7Q10 flow for the receiving waters at the discharge location the permrttee shall notify DWQ, and the DWQ Regional Office may require an annual flow
report on a case by case basis
MAIL ORIGINAL AND ONE COPY OF THIS ANNUAL SUMMARY_(I__NCLUDING ALL "NO FLOW", "NO DISCHARGE") WITHIN 30 DAYS OF RECEIPT OF SAMPLE (OR
AT END OF MONITORING PERIOD IN CASE OF "NO FLOW") TO
Division of Water Quality
Attn DWQ Central Files
1617 Mail Service Center
Raleigh, North Carolina 27699-1617
[phone]
YOU MUST SIGN THIS CERTIFIC4TION FOR ANY INFORMATION REPORTED
"I certify, under penalty of law, that this document and all attachments were prepared under my direction or supervision in accordance with a system designed to
assure that qualified personnel properly gather and evaluate the information submitted Based on my inquiry of the person or persons who manage the system, or
those persons directly responsible for gathering the information, the information submitted is, to the best of my knowledge and belief, true, accurate, and complete
I am as4(are Jh1t thp(e are significant penalties for submitting false information, including the possibility of fines and imprisonment for knowing violations "
ure of Permittee)
Permit Date 7/1/2010 06/30/201S
l cjbZt/IS
(Date) -
Last Revised 07/13/11
Page 2 of 2

3 PROCESS WASTEWATER — Quarterly Discharge Monitoring Report
GENERAL PERMIT No NCG140000
CERTIFICATE OF COVERAGE NO NCG140238
FACILITY NAME Mocksville
PERSON COLLECTING SAMPLES Rik Jones
CERTIFIED LABORATORY Prism Lab 4 402
LIMIT VIOLATIONS? YES [:]NO
Part A Wastewater Monitorine Reouirements
RECEIVED
JAN 2 0 2015
CENTRAL FILES
DWR SECTION
SAMPLE COLLECTION YEAR 2014
SAMPLE QUARTER ❑Jul -Sept ®Oct -Dec ❑Jan -March ❑April -June
COUNTY Davie
PHONE NO [phone]
ADD TO LISTSERVE? ❑YES ®NO EMAIL
DISCHARGING TO CLASS []SA ❑HQW
OPTIONAL INFO
❑PNA ❑Trout ®Other
Outfall No
Date Sample
Collected'
(mm/dd/yr)
Type Of Wastewater
(VE, RM, MD)'
pH
(standard)
Total Suspended
Solids
(mg/L)
Settleable
Solids
(mL/L)
TPH using
method 2&S4A
SGT-HEM'
(mg/L)
Discharge
Duration
(minutes)
Total Flaw
(gallons/day)'
-
-
RM, MD-
6-934
3035
53
(15)6
-
-
001
11/23/2014
No Flow
If wastewater systems have not discharged in this quarter— report "No Flow" or "No Discharge" here Please make sure to mark the sample quarter above
z Report the abbreviation for the type of Authorized Wastewater Discharges here Vehicle and Equipment Cleaning (VE), Raw Material Stockpiles (RM), Mixing Drum
Cleanout (MD) Report more than one type ,f the waste -stream is commingled
3 if an effluent limit is exceeded twice in a row, the permittee is required to institute monthly monitoring for that parameter for six months, unless DWQ RO staff
notifies you to continue monitoring
4 pH limits are 6-9 S U for wastewater discharges to freshwaters, and 6 8-8 5 S U for discharges to saltwaters
5 TSS Itmits are 20 mg/L for wastewater discharges to HQW waters, 10 mg/L for Trout and PNA waters, and 30 mg/L for all other water classifications
Permit Date 7/1/2010-06/30/2015 Last Revised 07/13/11
Page 1 of 2

G Process wastewater discharges shall only be monitored for TPH when commingled with stormwater discharges from VMA areas TPH does not have a limit for wastewater
but instead is subject to benchmarks and provisions of Part IV, Section A, including the Tiered Response Action
7 Flow rate can be measured continuously or calculated Flow limits for wastewater discharges to HQW waters shall beset to 50% of the Summer 7Q10 Flow as per 15A
NCAC 02B 0224 Permittees who discharge wastewater to HQW waters shall obtain a Summer 7Q10 flow and report this information to DWQ If the permittee cannot
obtain a Summer 7Q10 flow for the receiving waters at the discharge location, the permittee shall notify DWQ and the DWQ Regional Office may require an annual flow
report on a case by case basis
MAIL ORIGINAL AND ONE COPY OF THIS ANNUAL SUMMARY (INCLUDING ALL "NO FLOW", "NO_ DISCHARGE") WITHIN 30 DAYS OF RECEIPT OF SAMPLE (OR
AT END OF MONITORING PERIOD IN CASE OF "NO FLOW") TO
Division of Water Quality T
Attn DWQ Central Files
1617 Mail Service Center
Raleigh, North Carolina 27699-1617
[phone]
YOU MUST SIGN THIS CERTIFICATION FOR ANY INFORMATION REPORTED
"I certify, under penalty of law, that this document and all attachments were prepared under my direction or supervision in accordance with a system designed to
assure that qualified personnel properly gather and evaluate the information submitted Based on my inquiry of the person or persons who manage the system, or
those persons dir tly ress sible for gathering the information, the information submitted is, to the best of my knowledge and belief, true, accurate, and complete
I am a�rRe thg4 ere gnificant penalties for submitting false information, including the possibility of fines and imprisonment for knowing violations "
(Signal re of Permittee)
Permit Date 7/1/2010 06/30/2015
am //y
(Date)
Last Revised 07/13/11
Page 2 of 2

PROCESS WASTEWATER — Quarterly Discharge Monitoring Report
GENERAL PERMIT No NCG140000
CERTIFICATE OF COVERAGE NO NCG140238
FACILITY NAME Mocksville
PERSON COLLECTING SAMPLES Rik Jones
CERTIFIED LABORATORY Prism Lab it 402
LIMIT VIOLATIONS? YES ❑ NO
Part A Wastewater Monitorine Reouirements
SAMPLE COLLECTION YEAR 2014
SAMPLE QUARTER ®Jul -Sept []Oct -Dec ❑Jan -March ❑April -June
COUNTY Davie
PHONE NO [phone]
ADD TO LISTSERVE? ❑YES ®NO EMAIL
DISCHARGING TO CLASS ❑SA ❑HQW ❑PNA [—]Trout ®Other
OPTIONAL INFO
Outfall No
Date Sample
1
Collected
(mm/dd/yr)
Type of Wastewater
(VE, RM, MD)2
pH
(standard)
Total Suspended
Solids
(mg/L)
Settleable
Solids
(mL/L)
TPH using
method 1664A
SGT-HEM"
(mg/L)
Discharge
Duration
(minutes)
Total Flow
(gallons/day),
-
-
RM, MD-
6-934
3035
53
(15)6
-
-
001
7/21/2014
No Flow
014
CE
' If wastewater systems have not discharged in this quarter — report "No Flow" or "No Discharge" here Please make sure to mark the sample quarter above
Z Report the abbreviation for the type of Authorized Wastewater Discharges here Vehicle and Equipment Cleaning (VE), Raw Material Stockpiles (RM), Mixing Drum
Cleanout (MID) Report more than one type if the waste -stream is commingled
31f an effluent limit is exceeded twice in a row, the permittee is required to institute monthly monitoring for that parameter for six months, unless DWQ RO staff
notifies you to continue monitoring
4 pH limits are 6-9 S U for wastewater discharges to freshwaters, and 6 8-8 5 S U for discharges to saltwaters
5 TSS limits are 20 mg/L for wastewater discharges to HQW waters, 10 mg/L for Trout and PNA waters, and 30 mg/L for all other water classifications
Permit Date 7/l/2010-06/30/2015 Last Revised 07/13/11
Page 1 of 2

r{ �
6 Process wastewater discharges shall only be monitored for TPH when commingled with stormwater discharges from VMA areas TPH does not have a limit for wastewater,
but instead is subject to benchmarks and provisions of Part IV, Section A, including the Tiered Response Action
Flow rate can be measured continuously or calculated Flow limits for wastewater discharges to HQW waters shall beset to 50% of the Summer 7Q10 Flow as per 15A
NCAC 02B 0224 Permtttees who discharge wastewater to HQW waters shall obtain a Summer 7Q10 Flow and report this information to DWQ If the permittee cannot
obtain a Summer 7Q10 flow for the receiving waters at the discharge location, the permittee shall notify DWQ, and the DWQ Regional Office may require an annual flow
report on a case -by -case basis
MAIL ORIGINAL AND ONE COPY OF THIS ANNUAL SUMMARY (INCLUDING ALL "NO FLOW", "NO DISCHARGE") WITHIN 30 DAYS OF RECEIPT OF SAMPLE (OR
AT END OF MONITORING PERIOD IN CASE OF "NO FLOW") TO
Division of Water Quality
Attn DWQ Central Files
1617 Mail Service Center
Raleigh, North Carolina 27699-1617
[phone]
YOU MUST SIGN MIS CERTIFICATION FOR ANYINFORMAT19N REPORTED
"I certify, under penalty of law, that this document and all attachments were prepared under my direction or supervision in accordance with a system designed to
assure that qualified personnel properly gather and evaluate the information submitted Based on my inquiry of the person or persons who manage the system, or
those persons dirActly responsible for gathering the information, the information submitted is, to the best of my knowledge and belief, true, accurate, and complete
I am aw#) that ter4e significant penalties for submitting false Information, including the possibility of fines and imprisonment for knowing violations "
(Signature of Permittee)
Permit Date 7/1/2010-06/30/2015
9f r�I/�Y
(Date)
Last Reused 07/13/11
Page 2 of 2

f
PROCESS WASTEWATER — Quarterly Discharge Monitoring Report
GENERAL PERMIT NEB. NCG140000
CERTIFICATE OF COVERAGE NO NCG140238
FACILITY NAME Mocksville
PERSON COLLECTING SAMPLES David Morris
CERTIFIED LABORATORY Prism Lab # 402
LIMIT VIOLATIONS? YES ❑ NO
Part A Wastewater Monitorine, Reoulrements
SAMPLE COLLECTION YEAR 2014
SAMPLE QUARTER ❑Jul -Sept ❑Oct -Dec Dian -march ®April -June
COUNTY Davie
PHONE NO [phone]
ADD TO LISTSERVE? ❑YES NNO EMAIL
DISCHARGING TO CLASS [:]SA ❑HQW ❑PNA ❑Trout ❑Other
OPTIONAL INFO
Outfall No
Date Sample
Collected'
(mm/dd/yr)
Type of Wastewater
z
(VE, RM, MD)
pH
(standard)
Total Suspended
Solids
(mg/L)
Settleable
Solids
(mt/L)
TPH using
method 1b64A
S g/L) l6
(mg/L)
Discharge
Duration
(minutes)
Total Flow
7
(gallons/day}
-
-
RM, MD-
6-934
3035
53
(15)6
-
-
001
6/25/2014
No Flow
' If wastewater systems have not discharged in this quarter -- report "No Flow" or "No Discharge" here Please make sure to mark the sample quarter above
I Report the abbreviation for the type of Authorized Wastewater Discharges here Vehicle and Equipment Cleaning (VE), Raw Material Stockpiles (RM), Mixing Drum
Cleanout (MD) Report more than one type if the waste -stream is commingled
3If an effluent limit is exceeded twice in a row, the permittee is required to institute monthly monitoring for that parameter for six months, unless DWQ RO staff
notifies you to continue monitoring
4 pH limits are 6-9 S U for wastewater discharges to freshwaters, and 6 8-8 5 5 U for discharges to saftwaters
s TSS limits are 20 mg/L for wastewater discharges to HQW waters, 10 mg/L for Trout and PNA waters, and 30 mg/L for all other water classifications
Permit Date 7/1/2010-06/30/2015 Last Revised 07/13/11
Page 1 of 2

6 Process wastewater discharges shall only be monitored for TPH when commingled with stormwater discharges from VMA areas TPH does not have a limit for wastewater,
but instead is subject to benchmarks and provisions of Part IV, Section A, including the Tiered Response Action
7 Flow rate can be measured continuously or calculated Flow limits for wastewater discharges to HQW waters shall beset to 50% of the Summer 7Q10 Flow as per 15A
NCAC 02B 0224 Permittees who discharge wastewater to HQW waters shall obtain a Summer 7Q10 flow and report this information to DWQ If the permittee cannot
obtain a Summer 7Q10 flow for the receiving waters at the discharge location, the permittee shall notify DWQ and the DWQ Regional Office may require an annual flow
report on a case by -case basis
MAIL ORIGINAL AND ONE COPY OF THIS ANNUAL SUMMARY (INCLUDING ALL "NO FLOW", "NO DISCHARGE") WITHIN 30 DAYS OF RECEIPT OF SAMPLE (OR
AT END OF MONITORING PERIOD IN CASE OF "NO FLOW") TO -
Division of Water Quality
Attn DWQ Central Files
1617 Mail Service Center
Raleigh, North Carolina 27699-1617
[phone]
YOU MUST SIGN THIS CERTIFICATION FOR ANY INFORMATION REPORTED
"I certify, under penalty of law, that this document and all attachments were prepared under my direction or supervision in accordance with a system designed to
assure that qua tied sonnet properly gather and evaluate the information submitted Based on my inquiry of the person or persons who manage the system, or
those persons rect r sponsible for gathering the information, the information submitted is, to the best of my knowledge and belief, true, accurate, and complete
I am aw* th4 h re significant penalties for submitting false information, including the possibility of fines and imprisonment for knowing violations "
of Permlttee)
Permit Date 7/1/2010-06/30/2015
C
(Date;
Last Revised 07/13/11
Page 2 of 2

� � I
_ i pin, —,
LEGEND
—111�= 5tormwater flow direction o = Rip Rap — - _ = Chain Link I ence
= Property line O = €lutfall Dmtnage Swale
3344 1IILLSB0ROU0I I S 1 SUE I U 200
RALI::[Gl I NC 27607
12Ii0NE 919 861 7772
FACSIMILE 919 961 7777
REVISION No I DATL I DESCRIPTION
ENGINEERING CONSULTANTS INC
SITE LAYOU T AND
DRAINAGE MAP
CAROLINA CONCRETE CO
MOCKSVILLE, NC
sc,►t.ti to ear
SCAT C
U 40U
PROJECI No 018-07-005
DA I r_ AUGUS 12007
DRAWN 13Y 1'N1ll/'I RP
CIll:cKfJ313Y
FIGURE
2

= Slormwater flaw dTrechan
= Prop�,rly Ime
ENGINEERING CONSULTANTS INC
LEGEND
= Rip Rap
0 = outrall
3344 1 III-1_S130ROUG1I S 1 SUI 111 200
ItALMG1I NC 27607
— — — = Chain I ink 1 ence
— — — - = Drainage',wale
SITE LAYOUT AND
DRAINAGE MAP
CAROLINA CONCRETE CO
PI IQNL 919 861 7772 MOCKSVILLE, NC
SCAIFIN FPTT
FACSIMILE 919 961 7777 SCALE _-
o Inn
RrVI510N No I DATr Df SCRIPTIDN PROJ EC 1 No 01 R-07-005
DA 1 F AUGUST 2007
DRAWN 13Y PMFI/ 1 RP
C111-CK1-13 BY
FIGURE

f
�T;T^
1�
Division of Water Qualitv / Surface Water Prottetion
NC®ENR
National Pollutant Discharge, Elimination System
Nc f CANDONA DE —TIE , or
ENviRe MC Tw o N urtwReso,�x�C9
NC;G140000
NOTICE OF INTENT
AULM � I N ONI 1
—[Olt
1) lit Rctnbd
1'eAr
Klonth
f7fl
C �f11 JIL it( VI r C
J{.F�i•
NCG 1 4
Ch,Lk k Arnaud
YcimA Asv Heil Icf
National Pollutant Discharge Elimination System application for coverage under General Permit
N CG 140000
STORMWATER AND PROCESS WASTEWATER DISCHARGES associated with activities classifi
SIC (Standard Industrial Classification) Code - 3273 Ready Mixed Concrete
For new plant sites that will discharge or recycle process wastewater (even if commingled with
stormwater) This NOI is also an APPLICATION FOR Authorization to Construct (ATC) wastewater
treatment facilities ATC requests must be submitted at least 90 days prior to construction'
For existing plant sites discharging or recycling process wastewater (even it commingled with
stormwater) This NOI is also an APPLICATION FOR Authorization to continue to operate wastewater
treatment facilities in place Construction, modification, or installation of any new treatment components
at an existing site requires an ATC
Treatment fac,lllties used to treat or recycle prMe55 %\1,3slf.N%dI ,r (including stormwatLr BMP struourts.
treating; process wastewater flows commingled with stormwater) rcqutre an ATC rViior to construction
per 15A NCAC 2H 0138 Z he authorization to construct or coritrriue to operate will be issued at the
same lime as the Certificate of Coverage (COC) for the, NCG 14 permit Design of trcatme.nt fac IIItit S
must comply with requirements of 15A NCAC 211 0138 & 0139
Construction of wastewater treatment facilities (this includes recycle systems) at new or existing plant
sites requires submission of three (3) sets of plans and specifications signed and sealed by a
Professional Engineer (P E ) or qualified staff2 along with this application A copy of the design
calculations should be included Please see questions 14 & 15
wr For questions, please contact the DWQ Regional Office for your area (See page 5)�
(Please print or type)
1) Mailing address of ownerloperator (address to which all permit correspondence will be mailed)
Name Concrete Supply Company Loren Wild
Street Address 3823 Raleigh Street
City Charlotte State NC ZIP Code 28206
Telephone No 704 3722930 Fax [phone]
2) Location of facility producing discharge
Facility Name
Facility Contact
Street Address
City
County
Telephone No
Concrete Supply Company Mocksville Plant
Laren Wild
215 Industrial Boulevard
Mocksville
Davie
704 372 2930
Page 1 of 5
State NC ZIP Code 27028
FaX [phone] '
'As per 15A NCAG 2H 0106
2Unless treatment facilities are designed Constructed and put ante operation by employees internal to the company who are qualified to
perform such work for their respective companies in accordance with General Statutes 89C 25 (7) plans and specification, must be signed
and sealed by a P E
SWU 229 121206
Last revised 1211212006

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A
NCGI40000 N O 1
3) Physical location information
Please provide a narrative description of how to get to the facility (use street names state road numbers and
distance and direction from a roadway Intersection) From Exit # 174 140 to Farmington Road South to US 158 South to
Milling Road to Industrial Boulevard
(A copy of a county map or USGS quad sheet vnth facility clearly locates on the map is a required part of this application t
4) Latitude 35 54 09 N Longitude 80 32 36 w (deg, min, sec)
5) This NPDES Permit Application applies to which of the following
❑ New or Proposed Facility Date operation is to begin
® Existing
6) Standard Industrial Classification
Provide the 4 digit Standard Industrial Classification Code (SIC Code) that describes the primary Industrial
activity at this facility
SIC Code 3 2 7 3
7) Provide a brief description of the types of industrial activities and products produced at this facility
(Include a site diagram showing the process areas present at this facility )
Concrete Batch Plant
8) Discharge points I Receiving waters
Flow many discharge points (ditches pipes channels etc ) convey stormwater and/or wastewater from the
property? one
What is the name of the body or bodies of water (creek stream river lake etc ) that the facility stormwater
and/or wastewater discharges end up In? Leonard Creek to Dutchman Creek
If the site stormwater discharges to a separate storm sewer system name the operator of the separate storm
sewer system (e g City of Raleigh municipal storm sewer) NIA
Receiving water classification (If known) C
Note Discharge of process wastewater to receiving waters classified as WS-11 to WS-V or SA must
be approved by the N C Dept of Environmental Health If DEH does not approve, coverage
under NCG140000 cannot be granted No new discharges of process wastewater are
permitted in receiving waters classified as WS-I or freshwater ORW
9) Does this facility have any other NPDES permits?
® No
❑ Yes
If yes list the permit numbers for all current NPDES permits for this facility
10) Does this facility have any Non -Discharge permits (ex recycle permits)'?
IN No
❑ Yes
If yes list the permit numbers for all current Non -Discharge permits for this facility
11) Does this facility employ any best management practices for stormwater control?
❑ No
® Yes
If yes please briefly describe Recycle process water from concrete basins storm water wet detention pond (see plan)
SWU 229 121206
Page 2of5
Last revised 12/12/2006

r.f
or
NCG140000 N O 1
12) Does this facility have a Stormwater Pollution Prevention Plan?
❑ No
® Yes
If yes when was it implemented? Attached
13) Are vehicle maintenance activities occurring or planned at this facility?
® No
❑ Yes
Wastewater Treatment Design Information
14) Are discharges occurring or planned from any of the following process wastewater generating activities?
Vehicle and equipment cleaning ® Yes ❑ No
Wetting of raw material stockpiles ® Yes ❑ No
Mixing drum cleaning 'l Yes ❑ No
If yes to any of the above please describe the type of process used to treat and/or recycle the process
wastewater
rAT For a sufficient application you must provide design specifics (e g design volume retention time surface
area etc ) and calculations to demonstrate compliance with permit effluent limits (pH — 6-9 SU Total
Suspended Solids (TSS)o-- 30 mgll and Settleable Solids (SS)a 5 ml/I ) [Use separate sheet(s)]
If all these discharges are recycled please refer to Question 15
For plants that recycle and/or discharge process wastewater
When applying for this permit, you are also applying for an authorization to construct (new
treatment facilities) or authorization to continue to operate (existing treatment facilities) as
part of the NOl For new sites, you must submit three (3) sets of design plans and
specifications with this application and provide supporting calculations that predict
compliance of final discharge with permit limits For existing sites applicants should submit
three (3) sets of plans and specs for facilities as -built and provide as many design details as
possible, or submit a detailed diagram of treatment systems in place that includes information
such as tank volumes, dimensions, retention time, piping, settling basin details, etc
Please note If new treatment systems are planned for an existing site, an ATC will be required
prior to construction of those facilities Plans/specs/calculations prepared by a P E and the
request for an ATC may be submitted with this NOI, or separately at a later date DWQ may
request the status of your plans for requesting an A TC upon issuance of the COC
15) Does the facility use or plan to use a recycle system?
❑ No
® Yes
If yes what size storm event is the system designed to hold before overflowing? (for example 10-yr 24-hr)
year, 24-hr rainfall event
For a recycle system (regardless of when it overflows) please provide plans calculations and design
specifics (e g throughput assumptions/water balance design volume retention time surface area amount of
freeboard in design storm event etc ) [Use separate sheet(s)]
�Nj_'
, For a sufficient application the information must demonstrate compliance of final discharge with permit
effluent limits (pH — 6-9 SU Total Suspended Solids (TSS) — 30 mg/I and Settleable Solids (SS) — 5 ml/1) or
must demonstrate that the recycle system has sufficient capa0y to contain runoff from a 25-year 24-hr
rainfall event plus one foot of freeboard under design operating conditions
SWU 229 121206
Page 3of5
Last revised 12/1212006

NCG140000 N O 1
16) Are wastewater treatment facilities (Including recycle systems) planned in the 100-year flood plain?
n No ❑ Yes If so, Include Information to demonstrate protection from flooding (Minimum design
requirements for treatment works Include protection from the 100-year flood per 15A NCAC 2H 0219 }
17) Hazardous Waste
a) Is this facility a Hazardous Waste Treatment Storage or Disposal Facility's
® No
❑ Yes
b) Is this facility a Small Quantity Generator (less than 1000 kg of hazardous waste generated per month) of
hazardous waste?
El No
Cl Yes
c) Is this facility a Large Quantity Generator (1000 kg or more of hazardous waste generated per month) of
hazardous waste?
® No
❑ Yes
d) If you answered yes to questions b or c please provide the following Information
Type(s) of waste
How is material stored
Where is material stored
How many disposal shipments per year
Name of transport ! disposal vendor
Vendor address
18) Certification
North Carolina General Statute 143-215 5 B(i) provides that
Any person who knowrrrgly makes any false statement representation or certification on any applwatton record report plan or other
document filed or required to be maintained under this Article or a rule implementing this Article or who knowingly makes a false
statement of a material fact m a mlemaking proceeding or contested case under this Article or who falsifies tampers with or knowingly
renders inaccurate any recording or monitoring device or method required to be operated or maintamed under this Article of rules of fhe
[Environmental Management) Commission implementing this Article shall be guilty of a Class 2 misdemeanor which may include a tine
not to exceed ten thousand dollars ($10 000)
I hereby request coverage under the referenced General Permit I understand that coverage under this permit
will constitute the permit requirements for the discharges) and is enforceable in the same manner as an
individual permit
I certify that I am familiar with the information contained in this application and that to the best of my
knowledge and belief such information is true complete and accurate
Printed Name of Person Signing Henry Batten
Title Vice President Concrete Supply Comparry
(Signylule VApplicant)
7-13-c�7
(Date Signed)
Notice of Intent must be accompanied by a check or money order for $80 00 made payable to
NCDENR
Page 4 of 5
5WU 229 1212D6 Last revised 12/12/2006

RECYCLE SYSTEM INFORMATION
Concrete Supply Company plans to add a wash -water recycle system in the future at the Mocksville,
North Carolina facility at 215 Industrial Boulevard On our Notice of Intent, we have checked the box that
states we plan to add a recycle system in the future However, we do not have the plans in place at this
time When we have our plans for the recycle system developed, we will submit an Application to
Construct (A rC) with the required plans, calculations, and design specifications

N
0 0.2 0.4 0.6 0.8 1 mi
Map Center is 35' 54' 09"N, 80' 32' 28"W (NAD831WGS84)
Mocksville Industrial Park, USGS Mocksville (NC) Quadrangle
Projection is UTM Zone 17 NAD83 Datum
7�r
�JRIGON
Slte Location Map
Concrete Supply Company - Mocksville, North Carolina
JOB No: 018-07-005
DATE: August 2007
DRAWN BY: TRP

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SCALE: 1"=30' CONTOURS AT 2'
LAYOUT KEYNOTES
O WASTEWATER PL;MP: SEE NOTES
O FORCEMAIN SHALL BE 2" SCH 40 PVC WITH MINIMUM 30" OF COV
HIGH POINT OF PIPE SHALL NOT EXCEED ELEVATION 792,5,
O3 2' HIGH CONCRETE WALL MADE FROM 2x2 x6L REINFORCED
CONCRETE LOGS PROVIDED BY OWNER. TOP 2'# ABOVE GROUND.
4�'4' HIGH CONCRETE WALL MADE FROM 2x2 R`E FORCED
CONCRETE LOGS PROVIDED BY OWNER. TQP 2'# ABOVE GROUND.
O LIGHT POLES, SEE NOTES LANDSCAPING SHEET.
O CONCRETE APRON: MINIMUM 10 FT WIDE, 3000 PSI WITH 5% AIR.
SHALL BE 9" THICK CONCRETE OVER 4" MECHANICALLY COMPACTI
'ABC' OVER COMPACTED SUBGRADE. SEE PAVING NOTES.
WASTEWATER PUMP NOTES
WASTEWATER Pl hWiNG.. SYSTEW SHAE- frk--LEx STArTiON AS
PROVIDED BY SHOAF PRECAST SEPTIC TANK, INC. OF LEXINGTON,
NC (336 787- 5826) CONSISTING OF A COMPLETE INSTALLATION
WITH AT LEAST THE FOLLOWING ELEMENTS:
1. 1000 GALLON PRECAST CONCRETE PUMP TANK WITH ALUMINUM
HATCH. PROVIDE SLOPING GROUT FLOOR TO PUMP AREA.
2. 0.5 HP ZOELLER SUBMERSIBLE SEWAGE PUMP MODEL 267 WITH
CAST IRON IMPELLER, 115V, SINGLE PHASE, 10.5 AMP,
WITH MECHANICAL SEALS PROVIDING 50 GPM AT 15 FT TDH.
3. STAINLESS STEEL LIFTING CHAIN.
4. HIGH WATER ALARM FLOAT.
5. UNIONS, CHECK VALVE AND ISOLATION GATE VALVE IN THE
PUMP TANK, NEMA 4X CONTROL PANEL WITH ALARM LIGHT
AND HORN FOR HIGH WATER ALARM.
PROVIDE A SAFETY YELLOW, CONCRETE FILLED, STEEL BOLLARD
AT EACH TANK CORNER (4 BOLLARDS) FOR TRAFFIC CONTROL.
412 1
- J 9�q,:�-�
r
TOTAL BASINS VOLUME = 27922.2 GALS
5.5" OF RAINFALL OVER ENTIRE
WASHDOWN PIT = 18,060 GALS
WASHDOWN PIT VOLUME 10/25/05
CONCRETE SUPPLY
CO.
ti; ��oFEss�oNgy9 ;+
MOCKSVILLE SITE RELOCATION
_ SEAL
LAYOUT PLAN
15407
titi ' ... ,,��.
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GREY ENGINEERING, INC.:
T
SHEET
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Civil Design anSurveying
P.O. Box 9 Mocksvilde, N.C. 27028
greyengineering.com
[phone]
DRAWN BY: G. BULLARD
DESIGN BY: G. BULLARD
PROD. NO.:
DATE:
233.003.gE
7/23/04
DATE: ! p / 7401 D S

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3
IATD USTRIAL BL VD.
NEVER CUT A LEADER
WRAP TREE TRUNKS WITH
BURLAP, HEAVY CREPE
OR OTHER MATERIAL
(3)2"x4" HARDWOOD
STAKES, 1 FT.
DEEPER THAN PIT
3" HIGH Z
TOPSOIL BERM
FINISH GRADE
TOPSOIL ----
PRUNE BRANCHES & FOLIAGE
(ON END TIPS) BY 1/3 AND
RETAIN NORMAL PLANT SHAPE
3 STRANDS OF 9 GAUGE
GALVANIZED WIRE TWISTED
TURNBUCKLE 1/2 DIA RUBBER HOSE
TREE SHALL BEAR SAME RELATION
TO FINISH GRADE AS IT BORE TO
PREVIOUS EXISTING GRADE
3" DEEP MULCH AROUND
AND BEYOND PLANT
BACKFILL MIXTURE OF
,• ��j``/j '.
>
µ .:; : `//f�
BARK MULCH, TOPSOIL & SOIL
REMOVE 1 /3 OF BURLAP
_
', ` !ii� —
TAMP NEW TOPSOIL MIXTURE
,II=IIII111=
�' IIIIiIj
SUBSOIL BROKEN WITH PICK
TWICE BALL DIA.
TREE PLANTING
DETAIL
NOT TO SCALE
32
PLNTG_TREE
I �
r r
r r
I I
PRUNE PROPORTIONALLY
FOR ROOT REDUCTION AND
RETAIN NORMAL PLANT SHAPE
SHRUB SHALL BEAR SAME RELATION
TO FINISH GRADE AS IT BORE TO
PREVIOUS EXISTING GRADE. PLANT
AZALEAS AND CAMELLIAS WITH
1/4 BALL ABOVE GROUND LEVEL.
FINISH
3" DEEP MULCH AROUND
GRADE
AND BEYOND PLANT
TOPSOIL HH
9 BACKFILL MIXTURE OF
MULCH, TOPSOIL & SOIL
REMOVE CONTAINER OR
I-111I—
113 OF BURLAP
SAUCER IIII_I
_ TAMP NEW TOPSOIL MIXTURE
SHAPE PIT
—
SUBSOIL BROKEN WITH PICK
TWICE BALL DIA.
SHRUB
PLANTING DETAIL
NOT TO SCALE
32 PLNTG-SHRUB
TREE EDGE
SEE NOTE 7
r X,ST.
TREES
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SYMBOL
KEY
QUANTITY
BOTONICAL NAME
COMMON NAME
HGT.
CALIPER
•
MPS
7
ACER SACCHARUM
SUGAR MAPLE
80
2"
35'
100'
MPT
16
ACER BUERGERIANUM
TRIDENT MAPLE
5'
1.5"
15'
40'
CRM
28
LAGERSTROEMIA INDICA
CREPE MYRTLE
5'
1.5"
15'
35'
1p
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5
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BLUE PACIFICA JUNIPER
5'
1.5"
5'
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36
JUNIPER CIMENSIS
PFITZER JUNIPER
18 "
___
5
,
6
NOTE: PLANT MATERIAL SHALL MEET OR EXCEED MINIMUM SIZES IN THIS TABLE AT THE TIME OF INSTALLATION.
0 30 60 90 120
SCALE: 1"=30' CONTOURS AT 2'
LANDSCAPING NOTES:
1. ALL REQUIRED PLANTINGS SHALL BE NURSERY GROWN
STOCK THAT IS FREE FROM DISEASE OR GROWTH PROBLEMS
AND SHALL COMPLY WITH THE LATEST EDITION OF THE
AMERICAN STANDARDS FOR NURSERY STOCK, PUBLISHED
BY THE AMERICAN NURSERYMEN'S ASSOCIATION.
2. ALL REQUIRED PLANTINGS SHALL BE INSTALLED IN A
MANNER THAT INSURES THE AVAILABILITY OF SUFFICIENT
SOIL AND WATER FOR HEALTHY GROWTH AND THAT IS
NOT INTRUSIVE TO ABOVE AND BELOW GROUND UTILITIES.
3. LANDSCAPING, INCLUDING BERMS, SHALL BE INSTALLED AND
MAINTAINED SO AS TO NOT TO INTERFERE WITH THE SIGHT
DISTANCE REQUIREMENTS OF THIS ARTICLE OR THE SIGHT
DISTANCE NEEDS OF DRIVERS IN PARKING AREAS AND AT
ENTRANCE AND EXIT LOCATIONS.
4. NATIVE SPECIES AND RELATED CULTIVARS ARE ENCOURAGED.
5. NO REQUIRED PLANTING AREA SHALL CONTAIN LESS THAN
50 SQ. FT AND NO PLANTING AREA SHALL BE LESS THAN
B FT IN DIAMETER AROUND A REQUIRED TREE.
6. CONTRACTOR SHALL PROVIDE OWNER WITH LIST OF PLANTS
TO BE PURCHASED AND PLANTED FOR SUBMISSION TO
ZONING OFFICER.
7. TYPE 'D' BUFFER IS REQUIRED IF TREES DO NOT EXIST
OR HAVE BEEN REMOVED FROM THE PROPERTY LINE.
LAWN MAINTENANCE
1. CONTRACTOR SHALL WATER, MONITOR AND MAINTAIN OF ALL
LAWN AREAS UNTIL AN ACCEPTABLE STAND OF SOD HAS
BEEN ESTABLISHED AND REACHES A HEIGHT OF 4" TALL.
2. CONTRACTOR SHALL REPAIR ALL DAMAGED AREAS.
3. AT THE TIME THE SOD REACHES A HEIGHT OF 4" TALL,
THE CONTRACTOR SHALL CUT THE SOD TO 3" TALL AND
THEN TURN OVER THE LAWN MAINTENANCE TO THE OWNER.
FENCE NOTES:
1. FENCE SHALL BE CHAIN LINK.
2. THE MAXIMUM FENCE HEIGHT IN FRONT OF PROPERTY
SHALL BE 6 FEET.
3. THE MAXIMUM FENCE HEIGHT ALONG BOTH SIDES
AND BACK SHALL BE 8 FEET.
LIGHTING NOTES:
1. PROJECTIONS OF LIGHT SHALL BE CONFINED TO STAY
WITHIN PROPERTY LINES TO PREVENT LIGHT TRESPASS.
2. LIGHT POLES SHALL BE LIMITED TO 30 FT IN HEIGHT.
3. ALL EXTERIOR LIGHTING SHALL USE CUTOFF TYPE
FIXTURES TO MINIMIZE THE COMPONENT OF LIGHT
ABOVE HORIZONTAL (GLARE).
4. ALL ELECTRICAL CABLES SHALL BE UNDERGROUND.
9-
0-
QREVISED ALL LANDSCAPING PLANTS 9/28/04
ADDED DETAILS, SCHEDULE & NOTES
NO. REVISION DESCRIPTION DATE
CONCRETE SUPPLY CO.
N"cAR��/ '- MOCKSVILLE SITE RELOCATION
�oFESSip�q'L
SEAL _ LANDSCAPING AND LIGHTING PLAN
15407
NEE���;� SHEET
''••.� C. GR'.••'' GREY ENGINEERING, INC.
evil C)esign and Surveyng
P.C. Box 9 Mocksville, N.C. 27028 8
greyengineering.com DRAWN BY: G. BULLARD PROJ. NO.: 233.003.GE
[phone] DESIGN BY: B. BROWN DATE: 7/23/04
/ i
Y
DATE:

190 I
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LEGEND
r~ = Stormwater flow direction = Rip Rap —•— — = Chain Link Fence
= Property line = Outfall — — = Drainage Swale
ENGINFERING CONSULTANTS, IN
3344 HILLSBC)ROUGH ST SUITE 200 SITE LAYOUT AND
DRAINAGE MAP
R-A_i._EIGH NC 27607
CONCRETE SUPPLY COMPANY
PHONE [phone] MOCKSVILLE, NC
FACSIMILE 919 861 7777 sCAtetN�r
SCALE v
REVISION No DATE DESCRIPTION PROJECT No 019-07-005
DATE SEPTEMBER 2007
DRAWN BY PMI-I/TR-P
CHUCKED BY
FIGURE
2

STATE OF NORTH CAROLINA
DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES - DIVISION OF WATER QUALITY
GENERAL PERMIT NO NCG140000
TO DISCHARGE STORMWATER AND/OR PROCESS WASTEWATER UNDER THE
NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM
Coverage under this General Permit is applicable to all owners or operators of
establishments classified as primarily engaged in ready -mixed concrete [Standard
Industrial Classification Code (SIC) 3273] and like activities deemed by DWQ to be
similar in the process and/or the exposure of raw materials, products, by-products, or
waste materials
IMPORTANT CHANGES & GUIDANCE
December 8, 2011
In response to Section 9 of Session Law 2011-394, NCDWQ will not implement some of the
Authorization to Construct requirements in the current version of the permit DWQ will
revise the printed text of the General Permit to be consistent at the next scheduled renewal
period Specifically
a Note that permit requirements in Part II, Section A, numbers 1-5, and Part I1, Section
B, number 1 are no longer valid per NC Session Law 2011-394
b However, note that Part II, Section A, number 6, and Part II, Section B, numbers 2-10
are unaffected by this Session Law
c Your facility must notify the appropriate DWQ Regional Office at least 72 hours in
advance of operation of your wastewater treatment facility
d Other DWQ supporting documentation (other than the permit) will be amended to
reflect these changes

STATE OF NORTH CAROLINA
DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES - DIVISION OF WATER QUALITY
GENERAL. PERMIT NO NCG140000
TO DISCHARGE STORMWATER AND/OR PROCESS WASTEWATER UNDER THE
NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM
Coverage under this General Permit is applicable to all owners or operators of establishments
classified as primarily engaged in ready -mixed concrete [Standard Industrial" Classification
Code (SIC) 32731 and like activities deemed by DWQ to be similar in the process and/or the
exposure of raw materials, products, by-products, or waste materials
D15charges covered under this permit are
• Stormwater point source discharges (including discharges from on -site vehicle
maintenance areas), and
Authorized process wastewater discharges
The following activities are specifically excluded from coverage under this
General Permit
0 DisposaI of wastewater not specifically designated in this permit
• Disposal of any concrete directly into stormwater conveyances, storm sewer outfalls,
wetlands, and/or into any waters of the state
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, this permit
is hereby issued to all owners or operators, hereafter permittees, which are covered by this
permit as evidenced by receipt of a Certificate of Coverage by the Environmental Management
Commission to allow the discharge of stormwater and process wastewater to the surface
waters of North Carolina or separate storm sewer systems conveying stormwater to surface
waters in accordance with the terms and conditions set forth herein
The General Permit shall become effective on July 1, 2011
The General Permit shall expire at midnight on June 30, 2016
Signed this day June 24, 2011
Orcginal S�ned_by Matt Matthews
for Coleen H Sullins, Director
Division of Water Quality
By the Authority of the Environmental Management Commission

Permit No NCG140000
TABLE OF CONTENTS
PART I INTRODUCTION
Section A General Permit Coverage
Section B Permitted Activities
PART II AUTHORIZATION TO CONSTRUCT AND OPERATE A TREATMENT FACILITY
Section A Requirements for Constructing New or Expanding Wastewater Treatment Facilities
Section B Requirements for Operation of Wastewater Treatment Facilities
PAR F III STORMWATER POLLUTION PREVENTION PLAN
PART IV MONITORING, CONTROLS, AND LIMITATIONS FOR PERMITTED DISCHARGES
Section A Stormwater Discharges - Analytical Monitoring Requirements
Section B Stormwater Discharges - On -site Vehicle Maintenance Monitoring Requirements
Section C Stormwater Discharges - Qualitative Monitoring Requirements
Section D Process Wastewater Discharges - Analytical Monitoring Requirements
PAR r V STANDARD CONDITIONS
Section A Compliance and Liability
1
Compliance Schedule
2
Duty to Comply
3
Duty to Mitigate
4
Civil and Criminal Liability
5
Oil and Fiaiardous Substance Liability
6
Property Rights
7
Severability
8
Duty to Provide Information
9
Penalties for Tampering
10
Penalties for Falsification of Reports
Section B General Conditions
1
General Permit Expiration
2
Transfers
3
When an Individual Permit Maybe Required
4
When an Individual Permit May be Requested
5
Signatory Requirements
0

t
Permit No NCG140000
6 General Permit Modification Revocation and Reissuance, or
Termination
7
Certificate of Coverage Actions
Section C Operation and Maintenance of Pollution Controls
1
Proper Operation and Maintenance
2
Need to Halt or Reduce not a Defense
3
Bypassing of Stormwater Control Facilities
4
Bypassing of Wastewater Treatment Facilities
Section D Monitoring
and Records
I
Representative Sampling
2
Recording Results
3
Flow Measurements
4
Test Procedures
5
Establishing Representative Outfall
6
Records Retention
7
Inspection and Entry
Section E Reporting Requirements
1
Discharge Monitoring Reports
2
Submitting Reports
3
Availability of Reports
4
Mon-Stormwater Discharges
S
Planned Changes
6
Anticipated Noncompliance
7
Spills
8
Reporting Bypass
9
Twenty four Hour Reporting
10
Other Noncompliance
11
Other Information
PART VI LIMITATIONS REOPENER
PART VII ADMINISTERING AND COMPLIANCE MONITORING FEE REQUIREMENTS
PART V111 DEFINITIONS
I0

Pernut No VCG 140000
PART I INTRODUCTION
SECTION A GENERAL PERMIT COVERAGE
All persons desiring to be covered by this General Permit must register with the Division of Water
Quality (DWQ) by the filing of Notice of Intent (NOT) and applicable fees The NOT shall be
submitted and a certificate of coverage issued prior to any point source discharge of stormwater
and/or authorized discharge of process wastewater associated with industrial activity
Any owner or operator not wishing to be covered or limited by this General Permit may make
application for an individual NPDES permit in accordance with NPDES procedures in 15A NCAC 211
0100 stating the reasons supporting the request Any application for an individual permit should
be made at least 180 days prior to commencement of discharge and must be secured prior to
commencement of discharge
This General Permit does not cover activities or discharges covered by an individual NPDES permit
until the individual permit has expired or has been revoked Any person conducting an activity
covered by an individual permit but which could be covered by this General Permit may request
that the individual permit be revoked and coverage under this General Permit be provided
Any facility may apply for new or continued coverage under this permit until a Total Maximum
Daily Load (TMDL) for pollutants for stormwater discharges is established A TMDL sets a pollutant
loading limit that affects a watershed, or portion of a watershed, draining to an impaired water
For stormwater discharges to watersheds affected by a TMDL, coverage under this permit
may depend on the facility demonstrating it does not have reasonable potential to violate
applicable water quality standards for those pollutants as a result of discharges If the
Division determines that discharges have reasonable potential to cause water quality standard
violations, the facility shall apply for an individual permit 180 days prior to the expiration date of
this General Permit Once that permit is effective, the permittee will no longer have coverage under
this General Permit [Note the facility must identify impaired waters (scheduled for TMDL
development) and waters already subject to a TMDL in the Site Plan, as outlined in the Stormwater
Pollution Prevention Plan, in Part 1111
During the period beginning on the effective date of the permit and lasting until expiration, the
permittee is authorized to discharge stormwater and authorized process wastewater associated
with industrial activity Such discharges shall be controlled limited and monitored as specified in
this permit
SECTION B PERMITTED ACTIVITIES
Until this permit expires, is modified, or is revoked the permittee is authorized to discharge
stormwater and authorized process wastewater to the surface waters of North Carolina or separate
storm sewer system which has been adequately treated and managed in accordance with the terms
and conditions of this General Permit All discharges shall be in accordance with the conditions of
this permit
The types of authorized discharges are dependent upon DWQ approval and are detailed in the
permittee's individual Certificate of Coverage (COC) Where applicable, the COC also details DWQ's
Authorization to Construct (ATC), and Authorization to Operate a wastewater treatment facility
Any other point source discharge to surface waters of the state is prohibited unless it is an
allowable non-stormwater discharge or is covered by another permit authorization, or approval
Part. I Page 1 of 2

Perrmt No NCG 140000
The discharges allowed by this General Permit shall not cause or contribute to violations of Water
Quality Standards
This permit does not relieve the permittee from responsibility for compliance with any other
applicable federal state, or local law rule standard, ordinance, order judgment, or decree
Part I Page 2 of 2

Permit No NCG 140000
PART II AUTHORIZATION TO CONSTRUCT AND OPERATE A TREATMENT
FACILITY
Ready mixed operations involving construction and operation of wastewater treatment facilities
for authorized process wastewater discharges are subject to construction and operation
requirements for treatment facilities as outlined in Sections A and B below
SECTION A REQUIREMENTS FOR CONSTRUCTING NEW OR EXPANDING
WASTEWATER TREATMENT FACILITIES
New or expanding wastewater treatment facilities designed to discharge wastewater
covered under this permit to surface waters must receive an Authorization to Construct
LTC associated with this permit
Closed -Loop Recycle Systems which meet design requirements in 15A NCAC 02T 1000 and
do not discharge to surface waters, do not require an Authorization to Construct associated
with this permit However, these facilities must contact DWQ's Aquifer Protection Section
Land Application Unit to obtain any necessary permits or approvals
Application for the ATC requires that plans and specifications be submitted to the Division
of Water Quality, Stormwater Permitting Unit, 1617 Mail Service Center, Raleigh, NC 27699-
1617 for approval
Upon approval of plans and specifications by the Division a set of approved plans and
specifications for the subject project will be returned to the permittee These plans must be
retained on site by the permittee for the life of the treatment facility
4 Upon receipt of an approved ATC, approved treatment facilities shall be constructed and
implemented in accordance with the conditions of this permit, approved plans and
specifications, and other supporting data Treatment facilities shall be constructed to meet
the effluent limitations in Part IV, Section D of this General Permit
Upon completion of construction and prior to operation of a permitted facility, a
certification must be received from a professional engineer in accordance with G S 89-25
confirming that the permitted facility has been installed in accordance with this permit the
approved plans and specifications, and other supporting materials Mail the Certification of
plans and specifications to the Division of Water Quality, Stormwater Permitting Unit, 1617
Mail Service Center, Raleigh, NC 27699-1617
6 The permittee shall notify the DWQ Regional Office at least seventy-two (72) hours in
advance of operation of the installed facilities so that an in -place inspection can be made if
the Regional Office so desires Such notification to the Regional Supervisor shall be made
during normal business hours from 8 00 a in until 5 00 p m on Monday through Friday,
excluding State Holidays
Part II Page 1 of 2

Perm2t No NCG 140000
SECTION B REQUIREMENTS FOR OPERATION OF WASTEWATER TREATMENT
FACILITIES
Existing, new and expanding wastewater treatment facilities for covered wastewater discharges
shall he subject to the following operational requirements
Operation and maintenance of treatment facilities must be in accordance with the
requirements in this General Permit For the purposes of this permit no documentation
other than a signed Certificate of Coverage is required to operate an existing treatment
facility New treatment facilities must also have an Authorization to Construct (ATC)
permit, with the exceptions noted in Section A above
Diversion or bypass of untreated wastewater from a treatment facility is prohibited except
under provisions of this permit in Part V Section C 4 and Part V, Section E 8
3 In the event that a facility fails to perform satisfactorily, including the creation of nuisance
conditions the permittee shall take immediate corrective action, including those actions
that may be required by this Division, such as the construction of additional or replacement
treatment or disposal facilities
4 The issuance of this permit shall not relieve the permittee of the responsibility for damages
to surface waters of the state resulting from the operation of a treatment facility
5 Any discharge from a treatment system to groundwater must protect the groundwater
standards specified in 15A NCAC 2L, Groundwater Classification and Standards Contact
DWQ Aquifer Protection Section for more information
6 Any groundwater quality monitoring as deemed reasonably necessary by the Division, shall
be provided
7 Flocculants evaluated by the Division may be used if administered in accordance with
maximum application doses and any other current requirements No other chemical
flocculants shall be used in the treatment facility without prior written authorization from
the Division Polyacrylamide (PAMS) information can be found through the Stormwater
Permitting Unit website
8 All discharges of process wastewater will be monitored in accordance with Part IV, Section
D of this permit
9 A list of detergents additives, polymers, brighteners and any other solvent, cleaning agents,
or like chemicals used on site in the industrial process, must be kept on site and up to date
Additionally, this list shall include use schedule, quantity, MSDS sheets and aquatic
toxicology data (if available) If phosphate -containing detergents are used on site, a
feasibility study must be performed to show the viability of using phosphate -free
detergents The feasibility study shall be kept on the site and updated annually
10 A record of unauthorized wastewater releases to surface waters, wetlands, or ground
surface from closed -loop recycle systems permitted by the Aquifer Protection Section shall
be documented and kept on site for a period of five (5) years, when stormwater discharges
from these sites are permitted under NCG140000
Part Il Page 2 of 2

Permit No NCG140000
PART III STORMWATER POLLUTION PREVENTION PLAN
The permittee shall develop and implement a Stormwater Pollution Prevention Plan (SPPP) This plan
shall be considered public information in accordance with Part V, Standard Conditions, Section E of this
General Permit The SPPP shall include, at a minimum the following items
Site Plan The site plan shall provide a description of the physical facility and the potential
pollutant sources which may be expected to contribute to contamination of stormwater
discharges The site plan shall contain the following
(a) A general location map (USGS quadrangle map or appropriately drafted equivalent map),
showing the facility s location in relation to transportation routes and surface waters the name
of the receiving water(s) to which the stormwater outfall(s) discharges, or if the discharge is to a
municipal separate storm sewer system, the name of the municipality and the ultimate receiving
waters, and latitude and longitude of the point(s) of discharge The general location map (or
alternatively the site map) shall identify whether the receiving water is impaired (on the state's
303(d) list of impaired waters) or is located in a watershed for which a TMDL has been
established, and what the parameter(s) of concern are
(b) A narrative description of storage practices, loading and unloading activities, outdoor process
areas crushing activities, dust or particulate generating or control processes and waste disposal
practices A narrative description of the potential pollutants which could be expected to be
present in the stormwater discharge from each outfall A narrative description of handling and
storage of fly ash ash by products, and recycled materials
(c) A site map drawn at a scale sufficient to clearly depict the site property boundary the
stormwater discharge outfalls all on -site and adjacent surface waters and wetlands industrial
activity areas (including storage of materials spill kits disposal areas, process areas loading
and unloading areas and haul roads), site topography all drainage features and structures
drainage areas for each outfall, direction of flow in each drainage area industrial activities
occurring in each drainage area buildings, existing BMPs, and impervious surfaces The site
map shall include a distance legend and must indicate the percentage of each drainage area that
is impervious
(d) A list of significant spills or leaks of pollutants that have occurred at the facility during the three
(3) previous years and any corrective actions taken to mitigate spill impacts
(e) Certification that the stormwater outfalls have been evaluated for the presence of non-
stormwater discharges The certification statement will be signed in accordance with the
requirements found in Part V, Standard Conditions, Section B, Paragraph 5 The permittee shall
re -certify annually that the stormwater outfalls have been evaluated for the presence of non-
stormwater discharges
Stormwater Management Plan The stormwater management plan shall contain a narrative
description of the materials management practices employed which control or minimize the
exposure of significant materials to stormwater including structural and nonstructural
measures The stormwater management plan, at a minimum shall incorporate the following
(a) Feasibility Study A review of the technical and economic feasibility of changing the
methods of operations and/or storage practices to eliminate or reduce exposure of materials
and processes to stormwater Wherever practical, the permittee shall prevent exposure of all
storage areas material handling operations and manufacturing or fueling operations In areas
where elimination of exposure is not practical, the stormwater management plan shall
document the feasibility of diverting stormwater runoff away from areas of potential
contamination
Part IIi Page I of 3

Permit No NCG140000
(b) Secondary Containment Requirements and Records Secondary containment is required
for bulk storage of liquid materials, storage in any amount of Section 313 of Title III of the
Superfund Amendments and Reauthorization Act (SARA) water priority chemicals, and storage
in any amount of hazardous substances in order to prevent leaks and spills from contaminating
stormwater runoff A table or summary of all such tanks and stored materials and their
associated secondary containment areas shall be maintained If the secondary containment
devices are connected to stormwater conveyance systems the connection shall be controlled by
manually activated valves or other similar devices (which shall be secured closed with a locking
mechanism) and any stormwater that accumulates in the containment area shall be at a
minimum visually observed for color foam, outfall staining, visible sheens and dry weather flow,
prior to release of the accumulated stormwater Accumulated stormwater shall be released if
found to be uncontaminated by any material Records documenting the individual making the
observation, the description of the accumulated stormwater and the date and time of the
release shall be kept for a period of five years
(c) BMP Summary A listing of site structural and non-structural Best Management Practices
(BMP) shall be provided The installation and implementation of BMPs shall be based on the
assessment of the potential for sources to contribute significant quantities of pollutants to
stormwater discharges and data collected through monitoring of stormwater discharges The
BMP Summary shall include a written record of the specific rationale for installation and
implementation of the selected site BMPs The BMP Summary shall be reviewed and updated
annually
Spill Prevention and Response Plan The Spill Prevention and Response Plan (SPRP) shall
incorporate an assessment of potential pollutant sources based on a materials inventory of the
facility Facility personnel (or the team) responsible for implementing the SPRP shall be
identified in a written list incorporated into the SPRP and signed and dated by each individual
acknowledging their responsibilities A responsible person shall be on site at all times during
facility operations that have the potential to contaminate stormwater runoff through spills or
exposure of materials associated with the facility operations The SPRP must be site stormwater
specific Therefore an oil Spill Prevention Control and Countermeasure plan (SPCC) may be a
component of the SPRP but may not be sufficient to completely address the stormwater aspects
of the SPRP The common elements of the SPCC with the SPRP maybe incorporated by
reference into the SPRP
4 Preventative Maintenance and Good Housekeeping Program A preventative maintenance and
good housekeeping program shall be developed and implemented The program shall list all
stormwater control systems, stormwater discharge outfalls all on -site and adjacent surface
waters and wetlands, industrial activity areas (including material storage areas, material
handling areas, disposal areas, process areas cement crushing areas, loading and unloading
areas, ash storage areas, and haul roads), all drainage features and structures, and existing
structural BMPs The program shall address and maintain a record of the handling and storage
of fly ash, ash by-products, and recycled materials The program shall establish schedules of
inspections maintenance, and housekeeping activities of stormwater control systems as well as
facility equipment, facility areas and facility systems that present a potential for stormwater
exposure or stormwater pollution Inspection of material handling areas and regular cleaning
schedules of these areas shall be incorporated into the program Timely compliance with the
established schedules for inspections maintenance and housekeeping shall be recorded in
writing and maintained in the SPPP All such inspections must be documented with printed
name, date and signature of the individual performing the inspection(s)
5 Employee Training Training programs shall be developed and training provided at least once a
year for facility personnel with responsibilities for spill response and cleanup preventative
maintenance activities and for any of the facility's operations that have the potential to
contaminate stormwater runoff Facility personnel (or team) responsible for implementing the
Part III Page 2 of 3

Permit No NCG140000
training shall be identified, and the annual training shall be documented by the signature of each
employee that participates
6 Responsible Party The Stormwater Pollution Prevention Plan shall identify a specific
position(s) responsible for the overall coordination, development implementation and revision
to the SPPP Responsibilities for all components of the SPPP shall be documented and position
assignments provided See signatory requirements in Part V Section B 5 of permit
Plan Amendment The permittee shall amend the SPPP whenever there is a change in design,
construction, operation, or maintenance which has a significant effect on the potential for the
discharge of pollutants to surface waters All aspects of the Stormwater Pollution
Prevention Plan shall be reviewed and updated on an annual bans The annual update shall
include an updated list of significant spills or leaks of pollutants for the previous three years, or
the notation that no spills have occurred The annual update shall include written re
certification that the stormwater outfalls have been evaluated for the presence of non-
,,tormwater discharges Each annual update shall include a documented re-evaluation of the
effectiveness of the BMPs listed in the BMP Summary of the Stormwater Management Plan The
annual update shall be documented with the printed name, date and signature of the individual
performing the review as well as a detailed description of the changes necessary to keep the
SPPP updated
B the Director may notify the permittee when the SPPP does not meet one or more of the
minimum requirements of the permit Within 30 days of such notice, the permittee shall submit
a time schedule to the Director for modifying the SPPP to meet minimum requirements The
permittee shall provide certification in writing (in accordance with Part V, Standard Conditions,
Section B, Paragraph 5) to the Director that the changes have been made
Facility Inspections Inspections of the facility and all stormwater systems shall occur as part of
the Preventative Maintenance and Good Housekeeping Program at a minimum on a semi-annuai
schedule according to the schedule in Table 2 These inspections shall have at least 30 days
separating inspection dates, unless inspections are required more frequently by DWQ as part of
the Tiered Response These facility inspections are different from and in addition to, the
stormwater discharge characteristic monitoring required in Part IV of this permit
10 Impk.mentation The permittee shall implement the Stormwater Pollution Prevention Plan
Implementation of the SPPP shall include documentation of all monitoring measurements
inspections maintenance activities, and training provided to employees, including the log of the
sampling data and of actions taken to implement BMPs associated with the industrial activities,
and including vehicle maintenance activities Such documentation shall he kept on site for a
period of five (5) years and made available to the Director or the Director's authorized
representative immediately upon request
Part III Page 3 of 3

Permit No NCG140000
PART IV MONITORING, CONTROLS, AND LIMITATIONS FOR PERMITTED
DISCHARGES
SECTION A STORMWATER DISCHARGES -ANALYTICAL MONITORING REQUIREMENTS
During the period beginning on the effective date of the permit and lasting until expiration, the
permittee is authorized to discharge stormwater associated with industrial activity subject to the
provisions of this permit Stormwater that is commingled with wastewater shall be considered
wastewater and is not covered under this section of the permit
Analytical monitoring of Stormwater discharges shall be performed as specified below in Table 1
All analytical monitoring shall be performed during a measurable storm event at each
stormwater discharge outfall (SDO)
A measurable storm event is a storm event that results in an actual discharge from the
permitted site outfall The previous measurable storm event must have been at least 72 hours
prior The 72-hour storm interval does not apply if the permittee is able to document that a
shorter interval is representative for local storm events during the sampling period, and obtains
approval from the local DWQ Regional Office See definitions far more information
Table 1 Analytical Monitoring Requirements for Stormwater Discharges
Discharge
Characteristics
Units
Measurement
Frequency'
Sample
Typez
Sample
Location'
H
standard
Semi-annual
Crab
SDO
Total Suspended Solids
m L
Semi-annual
Grab
SILO
Event Duration
minutes
Semi-annual
-
Total Rainfall4
inches
Semi-annual
On -site
Rain gauge
Footnotes
1 Twice per year during a measurable storm event per the schedule in Table 2 See below for additional
requirement for failures to monitor
2 Grab samples shall be collected within the first 30 minutes of discharge from an SDO or detention pond
3 Samples shall be collected at each stormwater discharge outfall (SDO) unless representative outfall status
(ROS) has been granted and documented by the Division of Water Quality A copy of the letter granting
ROS shall be kept on site
4 For each sampled measurable storm event the total precipitation must be recorded using data from an
on site rain gauge
A minimum of 60 days must separate each monitoring event unless additional monitoring has
been instituted
The permittee shall complete the analytical samplings in accordance with the schedule specified in
Table 2 unless adverse weather conditions prevent sample collection Inability to sample due to
adverse weather conditions must be documented in the SPPP (see Adverse Weather in Definitions)
and reported on the DMR
Part IV Page 1 of 11

Permit No NCG140000
Table 2 Monitoring Schedule
Semi -Annual
Monitoring Events' Z
Start Date
(All Years)3
End Date
(All Years) 3
1
July 1
December 31
2
anuary 1
June30
Footnotes
1 Maintain semi-annual monitoring during permit renewal process If at the expiration of the General
Permit the permittee has submitted an application for renewal of coverage before the submittal deadline,
the permittee will be considered for renewed coverage The applicant must continue semi annual
monitoring until the renewed Certificate of Coverage is issued
2 If no discharge occurs during the sampling period the permittee must submit a monitoring report
indicating No Flow within 30 days of the end of the sampling period
3 Monitoring periods remain constant throughout the five year permit term
Failure to monitor semi-annually per permit terms, immediately institutes monthly monitoring for
all stormwater parameters After six (6) months of monthly monitoring, the permittee may return
to a semi-annual sampling monitoring schedule, unless DWQ requires continued monthly
monitoring
The permittee shall compare monitoring results to benchmark values in Table 3 Exceedences of
benchmark values require the permittee to increase monitoring, increase management actions,
increase record keeping, and/or install stormwater Best Management Practices (BMPs) in a tiered
program Seethe descriptions of Tier One, Tier Two, and Tier Three Response Actions, below
Table 3 Benchmark Values for Analytical Monitoring Requirements
Discharge Characteristics
Units
Benchmark Values
pH
standard
6 0 - 9 0
Total Suspended Solids (TSS)
mg/L
100
TSS (ORW, HWQ, Trout & PNA
waters
mg/L
50
Part IV Page 2 of 11

Permit No NCUI
Tier One
If The first valid sampling results are above a benchmark value, or outside of the benchmark
range, for any stormwater parameter at any outfall,
Then the permittee shall
1 Conduct a stormwater management inspection of the facility within two weeks of
receiving sampling results
2 Identify and evaluate possible causes of the benchmark value exceedence
3 Identify potential and select the specific source controls, operational controls, or physical
improvements to reduce concentrations of the stormwater parameters of concern and/or
to bring concentrations within the benchmark range
4 Implement the selected actions within two months of the inspection
5 Record each instance of a Tier One response in the Stormwater Pollution Prevention Plan
Include the date and value of the benchmark exceedence, the inspection date, the
personnel conducting the inspection, the selected actions and the date the selected
actions were implemented
I xI Tier Two I
If During the term of this permit the first valid sampling results from two consecutive monitoring
periods are above the benchmark values, or outside of the benchmark range, for any specific
stormwater parameter at a specific discharge outfall,
Then the permittee shall
1 Repeat all the required actions outlined above in Tier One
2 Immediately institute monthly monitoring for all stormwater parameters at every outfall
where a sampling result exceeded the benchmark value for two consecutive samples
Monthly (analytical and qualitative) monitoring shall continue until three consecutive
sample results are below the benchmark values or within the benchmark range
3 If no discharge occurs during the sampling period, the permittee is required to submit a
monthly monitoring report indicating 'No Flow to comply with reporting requirements
"No flow" reports will not be considered as one of the three consecutive sample results
under the benchmark
4 Maintain a record of the Tier Two response in the Stormwater Pollution Prevention Plan
Part IV Page 3 of 11

Permit No NCG140000
G �
Tier Three
During the term of this permit if the valid sampling results required for the permit monitoring
periods exceed the benchmark value, or are outside the benchmark range, for any specific
stormwater parameter at any specific outfall on four occasions, the permittee shall notify the
DWQ Regional Office Supervisor in writing within 30 days of receipt of the fourth analytical
results DWQ may but is not limited to
• Require that the permittee revise, increase, or decrease the monitoring frequency for the
remainder of the permit,
• Rescind coverage under the General Permit, and require that the permittee apply for an
individual stormwater discharge permit,
• Require the permittee to install structural stormwater controls,
• Require the permittee to implement other stormwater control measures, or
• Require the permittee to perform upstream and downstream monitoring to characterise
impacts on receiving waterbodies
Part IV Page 4 of 11

Permit No NCG140000
SECTION B STORMWATER DISCHARGES — ON -SITE VEHICLE MAINTENANCE AREA
(VMA) MONITORING REQUIREMENTS
During the period beginning on the effective date of the permit and lasting until expiration, the
permittee is authorized to discharge stormwater associated with vehicle maintenance activities
occurring on site
Facilities which have any vehicle maintenance activity occurring on site using more than 55 gallons
of new motor oil per month when averaged over the calendar year shall perform analytical
monitoring as specified in Table 4 All analytical monitoring shall be performed during a
measurable storm event at each vehicle maintenance outfall VMA stormwater discharges
commingled with wastewater shall be considered wastewater For more information see Part IV,
Section D of this permit
Table 4 Stormwater Analytical Monitoring Requirements for On -Site Vehicle Maintenance
Measurement
Sample
Sample
Discharge Characteristics
Units
Frequency'Type'
Location
H
standard
Semi-annual
Grab
SDO
Total Petroleum Hydrocarbons (TPH),
mg/L
Semi-annual
Grab
SDO
EPA Method 1664 SGT HEM
Total Suspended Solids
m L
Semi annual
Grab
SDO
Event Duration
minutes
Semi annual
-
Total RainfaI14
inches
Semi-annual
On -site
-
Rain gauge
Gallons/Semi-annual
New Motor Oil Usage
Estimate
-
month
Footnotes
1 Twice per year during a measurable storm event per the schedule in Table 2 See below for additional
requirements for failures to monitor
2 Grab samples shall be collected within the first 30 minutes of discharge from an SDO or detention pond
3 Samples shall be collected at each stormwater discharge outfall (SDO) that discharges stormwater runoff
from area(s) where vehicle maintenance activities occur
4 For each sampled measurable storm event the total precipitation must be recorded using data from an
on site rain gauge
A minimum of 60 days must separate each monitoring event unless additional monitoring has
been instituted
The permittee shall complete the analytical samplings in accordance with the schedule specified in
Table 2 unless adverse weather conditions prevent sample collection Inability to sample due to
adverse weather conditions must be documented in the SPPP and reported on the DMR (see
Adverse Weather in Definitions)
Failure to monitor semi-annually per permit terms, immediately institutes monthly monitoring for
all stormwater parameters After six (6) months of monthly monitoring the permittee may return
to a semi-annual sampling monitoring schedule, unless DWQ requires continued monthly
monitoring
The permittee shall compare monitoring results to benchmark values in Table 5 Exceedences of
benchmark values require the permittee to increase monitoring, increase management actions,
Part IV Page 5 of 11

Permit No NCG140000
increase record keeping, and/or install stormwater Best Management Practices (BMPs) in a tiered
program The permittee shall comply with the required Tier One, Tier Two, and Tier Three
response actions identified in Section A
Table 5 Stormwater Benchmark Values for On -Site Vehicle Maintenance Activities
Discharge Characteristics
Units
Benchmark Values
pH
Standard
6 0 - 9 0
Total Petroleum Hydrocarbons (TPH),
EPA Method 1664 SGT HEM
mg/L
15
Total Suspended Solids (TS5)
mg/L
100
TSS (ORW, HWQ, Trout & PNA waters)
mg/L
50
Part IV Page 6 of 11

Permit No NCG140000
SECTION C STORMWATER DISCHARGES - QUALITATIVE MONITORING
REQUIREMENTS _ - - - -
The purpose of qualitative monitoring is to evaluate the effectiveness of the Stormwater Pollution
Prevention Plan and to assess new sources of stormwater pollution
Qualitative monitoring requires a visual inspection of each stormwater outfall regardless of
representative outfall status and shall be performed as specified below in Table 6, during
analytical monitoring event (unless the permittee is required to perform further qualitative
sampling per the Qualitative Monitoring Response, below) Inability to sample due to adverse
weather conditions must be documented in the SPPP and reported on the DMR (see Adverse
Weather in Definitions) Qualitative monitoring of stormwater outfalls must be performed during a
measurable storm event
Table 6 Qualitative Stormwater Monitoring Requirements
Discharge Characteristics
Frequency'
Monitoring
Location z
Color
Semi-annual
SDO
Odor
Semi annual
SDO
Clarity
Semi-annual
SDO
Floating Solids
Semi-annual
SDO
Suspended Solids
Semi-annual
SDO
Foam
Semi-annual
SDO
Oil Sheen
Semi-annual
SDO
Erosion or deposition at the outfall
Semi-annual
SDO
Other indicators
of stormwater P011LItion
Semi-annual
SDO
Footnotes
1 Twice per year during a measurable monitoring event per the schedule in Table 2
2 Qualitative monitoring shall be performed at each stormwater discharge outfall (SDO) regardless of
representative outfall status
A minimum of 60 days must separate monitoring dates, unless additional sampling has been
instituted as part of other analytical monitoring requirements in this permit
If the permittee's qualitative monitoring indicates that existing stormwater BMPs are ineffective or
that significant Stormwater contamination is present, the permittee shall investigate potential
causes, evaluate the feasibility of corrective actions, and implement those corrective actions within
60 days, per the Qualitative Monitoring Response, below A written record of the permittee s
investigation, evaluation and response actions shall be kept in the Stormwater Pollution
Prevention Plan
Part IV Page 7 of 11

Permit No NCG140000
Qualitative Monitoring Response - -
Qualitative monitoring is for the purposes of evaluating the effectiveness of the Stormwater
Pollution Prevention Plan, assessing new sources of stormwater pollution, and prompting the
permittee's response to pollution If the permrttee repeatedly fails to respond effectively to correct
problems identified by qualitative monitoring or if the discharge causes or contributes to a water
quality standard violation, DWQ may but is not limited to
• Require that the permrttee revise, increase, or decrease the monitoring frequency for the
remainder of the permit,
• Rescind coverage under the General Permit, and require that the permrttee apply for an
individual stormwater discharge permit
• Require the permrttee to install structural stormwater controls, or
• Require the permrttee to implement other stormwater control measures
Part IV Page 8 of 11

Permit No NCG140000
_ SECTION D PROCESS WASTEWATER DISCHARGES - ANALYTICAL MONITORING
REQUIREMENTS
This General Permit authorizes the discharge of process wastewater associated with three distinct
activities 1) vehicle and equipment cleaning - external surfaces, 2) wetting of raw material
stockpiles and 3) mixing drum cleanout The authorization to discharge wastewater is specifically
identified on each permittee's COC Process wastewater discharges generated by any other
activity are not authorized under this permit, except allowable non stormwater discharges
permitted by 15A NCAC2H 01060) Authorized process wastewater commingled with stormwater
shall be considered process wastewater
1 Procesa Wastewater Assoglated. with vehicle and Equipment Cleanin
During the period beginning on the effective date of the permit and lasting until expiration, the
permittee is authorized to discharge process wastewater associated with vehicle and equipment
cleaning, subject to the provisions of this permit For the purposes of this permit vehicle and
equipment cleaning is limited to the rinsing of the external surfaces of vehicles and equipment
Z Process Wastewater Associated with Raw Material Stockpiles
During the period beginning on the effective date of the permit and lasting until expiration the
permittee is authorized to discharge process wastewater associated with wetting of raw material
stockpiles subject to the provisions of this permit
3 Process Wastewater Associated with Mixing Drum Cleanout
During the period beginning on the effective date of the permit and lasting until expiration, the
permittee is authorized to discharge process wastewater associated with mixing drum cleanout,
subject to the provisions of this permit
All Authorized Process WastewatCr Discharges
Analytical monitoring of the above authorized process wastewater discharges shall be performed
as specified in Table 7
If authorized process wastewaters commingle prior to discharge, sampling the combined discharge
will meet the monitoring requirements of this permit Sampling shall be performed during
discharge, these events may or may not be associated with rainfall
Authorized wastewater treatment facilities may include some wastewater recycling as a means of
volume management
Surface water discharges from authorized wastewater treatment facilities are subject to the
provisions monitoring requirements and limits of this permit Authorized wastewater treatment
facilities with no wastewater discharges to surface waters are exempt from the requirements of
Part IV, Section D of this permit However, these ready mixed plants with closed loop -recycle systems
or other wastewater treatment facilities that do not discharge to surface waters must contact
D WQ's Aquifer Protection Section Land Application Unit to obtain any necessary permits or approvals
Part: IV Page 9 of 11

Permit No NCG140000
Table 7 Analytical Monitoring Requirements for Process Wastewater
Discharge
Characteristics
Units
Measurement
Frequencyi
Sample
Type?
Sample
Location3=
H
standard
guarterly
Grab
E
Total Suspended Solids
mg/L
Quarterly
Grab
E
Settleable Solids
mL/L
Quarterly
Grab
E
Total Petroleum Hydrocarbons
(TPH) EPA Method 1664 (SGT
HEM)4
mg/L
Quarterly4
Grab
E
Discharge Durations
minutes
Quarterly
-
Flows
gallons/day
Quarterly
-
E
Fogtnotes
1 Four times peryear during a discharge event See below for additional requirements for failures to
monitor or violations of permit limits
2 Grab samples shall be collected within the first 30 minutes of discharge from the outfall or detention
pond
3 Effluent (E) = Process wastewater discharge outfall
4 Process wastewater discharges shall only be monitored for TPH when commingled with stormwater
discharges from VMA areas
S For each sampled discharge event, the total discharge duration and flow rate must be provided Flow
rate can be measured continuously or calculated
Failure to monitor wastewater quarterly per permit terms immediately institutes monthly monitoring for
all wastewater parameters Violation of permit limits twice in a row immediately institutes monthly
monitoring for all wastewater parameters In either case, after six (6) months of monthly monitoring, the
permittee may return to a quarterly monitoring schedule, unless DWQ requires continued monthly
monitoring
Wastewater discharges must meet the requirements of the effluent limitation listed in Table 8, below An
exceedence of any of these limitations will result in a violation of the permit conditions
Part IV Page 10 of 11

Permit No NCG140000
Table 8 Effluent Limitations for all Process Wastewater
Discharge Characteristics
Units
Effluent Limitations(Daily Maximum)
pH Range (freshwaters)
Standard
6 0 - 9 0
pH Range (saltwaters)
Standard
6 8 - 8 5
Total Suspended Solids
m L
30
Total Suspended Solids' H W
m L
20
Total Suspended Solids' Trout & PNA waters
m L
10
Settleable Solids
mL L
5
Total Petroleum Hydrocarbons' (TPH)
mg/L
N/A'
Total Volume/Day of Wastewater Discharged
4
(HQW)
gallons/day
50% of the
Summer 7Q10 flow4
Footnotes ,
1 Per 15A NCAC 02B 0224
2 Process wastewater discharges shall only be monitored for TPH when commingled with stormwater
discharges from VMA areas
3 TPH does not have a limit for wastewater, but instead is subject to benchmarks and provisions of Part IV,
Section A, including the Tiered Response Action
4 Per 15A NCAC 02B 0224 Permittees who discharge wastewater to HQW waters shall obtain a summer
7Q10 flow and report this information to DWQ If the permittee cannot obtain a summer 7Q10 flow for
the receiving waters at the discharge location the permittee shall notify DWQ and the DWQ Regional
Office may require an annual flow report on a case by case basis
The permittee shall complete the analytical samplings of wastewater discharges in accordance with
the schedule specified in Table 9 Permittees shall report any noncompliance per Part V, Section E
Reporting Requirements paragraphs 9-11
Table 9 Monitoring Schedule
Quarterly
Monitoring Events'
Start Date
(All Years)
End Date
(All Years)
1
July 1
September 30
2
October 1
December 31
3
January 1
March 31
4
1 Aril 1
June 30
Footnotes
1 If no discharge occurs during the sampling period, the permittee must record No Flow or No
Discharge within 30 days of the end of the three-month sampling period in their SPPP
If detergents are used in any of the processes authorized in Section D of this permit, they must be
labeled biodegradable, and the pH must be adjusted to within 6 to 9 standard units Wherever
possible, permittees are encouraged to use phosphate -free detergents A list of these chemicals
must be kept on site and up to date A feasibility study must he performed if phosphate -containing
detergents are used (see Part 11, Section B for additional information)
Part IV Page 11 of 11

Permit No NCG140000
PART-V - STANDARD CONDITIONS FOR NPDES STORMWATER GENERAL - -
PERMITS
SECTION A COMPLIANCE AND LIABILITY
Comaliance Schedule
The permittee shall comply with Limitations and Controls specified for stormwater
discharges in accordance with the following schedule
Existing facilities already operating, but applying for coverage under this General Permit for
the first time The Stormwater Pollution Prevention Plan shall be developed and
implemented within 12 months of the effective date of the initial Certificate of Coverage
issued pursuant to this General Permit and updated thereafter on an annual basis
Secondary containment as specified in Part III Paragraph 2(b) of this permit shall be
accomplished within 12 months of the effective date of the initial Certificate of Coverage
New facilities applying for permit coverage for the first time All requirements, conditions,
limitations, and controls contained in this permit become effective immediately upon
issuance of the Certificate of Coverage The Stormwater Pollution Prevention Plan shall be
developed and implemented prior to the beginning of discharges from the operation of the
industrial activity and be updated thereafter on an annual basis Secondary containment as
specified in Part III Paragraph 2(b) of this permit shall be accomplished prior to the
beginning of discharges from the operation of the industrial activity
Existing facilities previously permitted and applying for renewal under this General Permit
All requirements conditions limitations and controls contained in this permit (except new
SPPP elements in this permit renewal) shall become effective immediately upon issuance of
the Certificate of Coverage New elements of the Stormwater Pollution Prevention Plan for
this permit renewal shall be developed and implemented within 6 months of the effective
date of the initial Certificate of Coverage issued pursuant to this General Permit and updated
thereafter on an annual basis Secondary containment as specified in Part 111 Paragraph
2(b) of this permit shall be accomplished prior to the beginning of discharges from the
operation of the industrial activity
Duty to Comply
The permittee must comply with all conditions of this General Permit Any permit
noncompliance constitutes a violation of the Clean Water Act and is grounds for enforcement
action for certificate of coverage termination revocation and reissuance or modification or
denial of a certificate of coverage upon renewal application
The permittee shall comply with standards or prohibitions established under Section 307(a)
of the Clean Water Act for toxic pollutants within the time provided in the regulations that
establish these standards or prohibitions even if the permit has not yet been modified to
incorporate the requirement
b The Clean Water Act provides that any person who violates a permit condition is subject to a
civil penalty not to exceed $25,000 per day for each violation Any person who negligently
violates any permit condition is subject to criminal penalties of $2,500 to $25,000 per day of
violation, or imprisonment for not more than 1 year, or both Any person who knowingly
violates permit conditions is subject to criminal penalties of $5,000 to $50 000 per day of
violation or imprisonment for not more than 3 years or both Also any person who violates
a permit condition may be assessed an administrative penalty not to exceed $10 000 per
Part V Page 1 of 9

Permit No NCG140000
violation with the maximum amount not to exceed $125 000 [Ref Section 309 of the Federal
Act 33 USC 1319 and 40 CFR 122 41(a) ]
c Under state law a daily civil penalty of not more than ten thousand dollars ($10 000) per
violation may be assessed against any person who violates or fails to act in accordance with
the terms, conditions or requirements of a permit [Ref North Carolina General Statutes
143 215 6A]
Any person may be assessed an administrative penalty by the Director for violating Section
301 302 306 307 306, 3113, or 405 of the Act, or any permit condition or limitation
implementing any of such sections in a permit issued under Section 402 of the Act
Administrative penalties for Class I violations are not to exceed $10 000 per violation, with
the maximum amount of any Class I penalty assessed not to exceed $25 000 Penalties for
Class 11 violations are not to exceed $10 000 per day for each day during which the violation
continues with the maximum amount of any Class 11 penalty not to exceed $125 000
Duty to Mitigate
The permittee shall take all reasonable steps to minimize or prevent any discharge in
violation of this General Permit which has a reasonable likelihood of adversely affecting
human health or the environment
Civil and Criminal Liability
Except as provided in this permit regarding bypassing of stormwater control facilities,
nothing in this General Permit shall be construed to relieve the permittee from any
responsibilities liabilities or penalties for noncompliance pursuant to NCGS 143 215 3 143
215 6A 143 215 6B 143 215 6C or Section 309 of the Federal Act 33 USC 1319
Furthermore the permittee is responsible for consequential damages such as fish kills even
though the responsibility for effective compliance may be temporarily suspended
5 Oil and Hazardous Substance Liability
Nothing in this General Permit shall be construed to preclude the institution of any legal
action or relieve the permittee from any responsibilities, liabilities or penalties to which the
permittee is or may be subject to under NCGS 143 2lS 7S et seq or Section 311 of the Federal
Act 33 USC 1321
6 Property Rights
The issuance of this General Permit does not convey any property rights in either real or
personal property, or any exclusive privileges nor does it authorize any injury to private
property or any invasion of personal rights nor any infringement of federal state or local
laws or regulations
7 Severability
The provisions of this General Permit are severable and if any provision of this General
Permit or the application of any provision of this General Permit to any circumstances is
held invalid the application of such provision to other circumstances and the remainder of
this General Permit shall not be affected thereby
B Duty to Provide Information
Part V Page 2 of 9

Permit No NCG140000
The permittee shall furnish to the Director within a reasonable time, any information which -
the Director may request to determine whether cause exists for modifying revoking and
reissuing or terminating the certificate of coverage issued pursuant to this General Permit
or to determine compliance with this General Permit The permittee shall also furnish to the
Director upon request copies of records required to be kept by this General Permit
9 Penalties for Tampering
The Clean Water Act provides that any person who falsifies tampers with or knowingly
renders inaccurate, any monitoring device or method required to be maintained under this
General Permit shall upon conviction, be punished by a fine of not more than $10 000 per
violation, or by imprisonment for not more than two years per violation, or by both If a
conviction of a person is for a violation committed after a first conviction of such person
under this paragraph punishment is a fine of not more than $20 000 per day of violation or
by imprisonment of not more than 4 years or both
10 Penalties for Falsification of Reports
The Clean Water Act provides that any person who knowingly makes any false statement,
representation or certification in any record or other document submitted or required to be
maintained under this General Permit, including monitoring reports or reports of
compliance or noncompliance shall upon conviction be punished by a fine of not more than
$10 000 per violation or by imprisonment for not more than two years per violation or by
both
SECTION B GENERAL CONDITIONS
General Permit ExDiration
The permittee is not authorized to discharge after the expiration date In order to discharge
beyond the expiration date the permittee shall submit forms and fees as are required by the
agency authorized to issue permits no later than 180 days prior to the expiration date Any
permittee that has not requested renewal at least 180 days prior to expiration or any
permittee that does not have a permit after the expiration and has not requested renewal at
least 180 days prior to expiration will be subjected to enforcement procedures as provided
in NCGS §143-2133 6 and 33 U5C 1251 et seq
Transfers
The certificate of coverage issued pursuant to this General Permit is not transferable to any
person except after notice to and approval by the Director The Director may require
modification or revocation and reissuance of the certificate of coverage to change the name
and incorporate such other requirements as may be necessary under the Clean Water Act
The permittee is required to notify the Division within 60 days in the event the
permitted facility is sold or closed
When an Individual Permit Mav be Reauired
The Director may require any owner/operator authorized to discharge under a certificate of
coverage issued pursuant to this General Permit to apply for and obtain an individual permit
or an alternative General Permit Any interested person may petition the Director to take
action under this paragraph Cases where an individual permit maybe required include, but
are not limited to, the following
The discharger is a significant contributor of pollutants
Part V Page 3 of 9

Permit No NCG140000
b Conditions at the permitted site change altering the constituents and/or
characteristics of the discharge such that the discharge no longer qualifies for a
General Permit
c The discharge violates the terms or conditions of this General Permit
d A change has occurred in the availability of demonstrated technology or practices
for the control or abatement of pollutants applicable to the point source,
e Effluent limitations are promulgated for the point sources covered by this General
Permit,
f A water quality management plan containing requirements applicable to such point
sources is approved after the issuance of this General Permit
g The Director determines at his or her own discretion that an individual permit is
required
When an Individual Permit May be Requested
Any permittee operating under this General Permit may request to be excluded from the
coverage of this General Permit by applying for an individual permit When an individual
permit is issued to an owner/operator the applicability of this General Permit is
automatically terminated on the effective date of the individual permit
_ i__ atory_Requirements
All applications reports or information submitted to the Director shall be signed and
certified
a All notices of intent to be covered under this General Permit shall be signed as
follows
(1) Fora corporation by a responsible corporate officer For the purpose of
this section a responsible corporate officer means (a) a president
secretary, treasurer or vice president of the corporation in charge of a
principal business function, or any other person who performs similar
policy or decision making functions for the corporation, or (b) the manager
of one or more manufacturing production or operating facilities employing
more than 250 persons or having gross annual sales or expenditures
exceeding 25 million (in second quarter 198D dollars), if authority to sign
documents has been assigned or delegated to the manager in accordance
with corporate procedures
(2) For a partnership or sole proprietorship by a general partner or the
proprietor respectively or
(3) For a municipality, state, federal, or other public agency by either a
principal executive officer or ranking elected official
All reports required by the General Permit and other information requested by the
Director shall be signed by a person described above or by a duly authorized
representative of that person A person is a duly authorized representative only if
(1) The authorization is made in writing by a person described above
(2) The authorization specified either an individual or a position having
responsibility for the overall operation of the regulated facility or activity
such as the position of plant manager operator of a well or well field
superintendent, a position of equivalent responsibility or an individual or
Part V Page 4 of 9

Permit No NCG140000
position having overall responsibility for environmental matters for the — -
company (A duly authorized representative may thus be ether a named
individual or any individual occupying a named position ) and
(3) The written authorization is submitted to the Director
Any person signing a document under paragraphs a or b of this section shall make
the following certification which shall not be modified in any way
'I certify, under penalty of law, that this document and all attachments were
prepared under my direction or Supervision in accordance with a system designed
to assure that qualified personnel properly gather and evaluate the information
submitted Based on my inquiry of the person or persons who manage the system
or those persons directly responsible for gathering the information the information
submitted is to the best of my knowledge and belief, true accurate and complete I
am aware that there are significant penalties for submitting false information,
including the possibility of fines and imprisonment for knowing violations
General Permit Modification. Revocation and Reissuance. or Termination
The issuance of this General Permit does not prohibit the Director from reopening and
modifying the General Permit, revoking and reissuing the General Permit or terminating the
General Permit as allowed by the laws rules and regulations contained in Title 40 Code of
Federal Regulations Parts 122 and 123, Title 15A of the North Carolina Administrative Code,
Subchapter 2H 0100 and North Carolina General Statute 143-215 1 et al
After public notice and opportunity for a hearing the General Permit may be terminated for
cause The filing of a request for a General Permit modification revocation and reissuance
or termination does not stay any General Permit condition The certificate of coverage shall
expire when the General Permit is terminated
Certificate gf,Cgvergge Acttgns
The certificate of coverage issued in accordance with this General Permit may be modified
revoked and reissued or terminated for cause The notification of planned changes or
anticipated noncompliance does not stay any General Permit condition
SECTION C OPERATION AND MAINTENANCE OF POLLUTION CONTROLS
Proper Operation and Maintenance
The permittee shall at all times properly operate and maintain all facilities and systems of
treatment and control (and related appurtenances) which are installed or used by the
permittee to achieve compliance with this General Permit Proper operation and
maintenance also includes adequate laboratory controls and appropriate quality assurance
procedures This provision requires the operation of back-up or auxiliary facilities or similar
systems which are installed by a permittee only when the operation is necessary to achieve
compliance with the General Permit
Need to Halt or Reduce not a Defense
It shall not be a defense for a permittee in an enforcement action that it would have been
necessary to halt or reduce the permitted activity in order to maintain compliance with the
condition of this General Permit
Part V Page 5 of 9

Permit No NCG140000
3 - Bypassing of Stormwater Control Facilities_
Bypass is prohibited and the Director may take enforcement action against a permrttee for
bypass unless
Bypass was unavoidable to prevent loss of life personal injury or severe property
damage and
There were no feasible alternatives to the bypass such as the use of auxiliary
control facilities retention of stormwater or maintenance during normal periods of
equipment downtime or dry weather This condition is not satisfied if adequate
backup controls should have been installed in the exercise of reasonable
engineering judgment to prevent a bypass which occurred during normal periods of
equipment downtime or preventive maintenance and
The permittee submitted notices as required under Section E of this Part
If the Director determines that it will meet the three conditions listed above the Director
may approve an anticipated bypass after considenng its adverse effects
4 Bypassing of Wastewater Treatment Facilities
The permittees may allow any bypass to occur which does not cause effluent limitations to
be exceeded, but only if it also is for essential maintenance to assure efficient operation
These bypasses are not subject to the provisions of Part V Section C 4 a and Part V Section
C 4 b
Notices
(1) Anticipated bypass If the permittees knows in advance of the need for a
bypass, it shall submit prior notice if possible at least ten days before the
date of the bypass including an evaluation of the anticipated quality and
affect of the bypass
(2) Unanticipated bypass The permittees shall submit notice within 24 hours
of becoming aware of an unanticipated bypass as required in Part V Section
h 8 of this permit
b Prohibition of Bypass
(1) Bypass is prohibited and the Director may take enforcement action against
the permittees for bypass unless
(a) Bypass was unavoidable to prevent loss of life, personal injury or
severe property damage, and
(b) There were no feasible alternatives to the bypass such as the use of
auxiliary control facilities retention of untreated waste or
maintenance during normal periods of equipment downtime This
condition is not satisfied if adequate backup should have been
installed in the exercise of reasonable engineering judgment to
prevent a bypass which occurred during normal periods of
equipment downtime or preventive maintenance and
(c) The permittees submitted notices as required under Part V Section
C 4 a of this permit
Part V Page 6 of 9

Permit No NCG140000
(2) The Director may approve an anticipated bypass, after considering its -
adverse affects, if the Director determines that it will meet the three
conditions listed in Part V Section C 4 b (1) of this permit
SECTION D MONITORING AND RECORDS
Representative Sampling
Samples collected and measurements taken as required herein shall be characteristic of the
volume and nature of the permitted discharge Analytical stormwater sampling shall be
performed during a measurable storm event Samples shall betaken on a day and time that is
characteristic of the discharge All samples shall betaken before the discharge loins or is diluted
by any other waste stream body of water or substance Monitoring points as specified in this
permit shall not be changed without notification to and approval of the Director
Recording Results
For each measurement sample inspection or maintenance activity performed or collected
pursuant to the requirements of this General Permit, the permittee shall record the following
information
a The date exact place, and time of sampling, measurements inspection or maintenance
activity,
b The individual(s) who performed the sampling, measurements inspection or maintenance
activity
The date(s) analyses were performed
The individual(s) who performed the analyses,
The analytical techniques or methods used and
The results of such analyses
Flow Measurements
Where required appropriate flow measurement devices and methods consistent with accepted
scientific practices shall be selected and used to ensure the accuracy and reliability of
measurements of the volume of monitored discharges
Test Procedures
Test procedures for the analysis of pollutants shall conform to the EMC regulations published
pursuant to NCGS 143-215 63 et seq the Water and Air Quality Reporting Acts and to regulations
published pursuant to Section 304(g) 33 USC 1314 of the Federal Water Pollution Control Act as
Amended and Regulation 40 CFR 136
To meet the intent of the monitoring required by this General Permit all test procedures must
produce minimum detection and reporting levels and all data generated must be reported down
to the minimum detection or lower reporting level of the procedure
Establishing Representative Outfall
If a facility has multiple discharge locations with substantially identical stormwater discharges
that are required to be sampled the permittee may petition the Director for representative outfall
status ]fit is established that the stormwater discharges are substantially identical and the
permittee is granted representative outfall status then analytical sampling requirements may be
performed at a reduced number of outfalls Qualitative monitoring shall be performed at all
discharges locations regardless of representative outfall status (ROS)
Records Retention
Visual monitoring shall be documented and records maintained at the facility along with the
Stormwater Pollution Prevention Plan Copies of analytical monitoring results shall also be
maintained on site The permittee shall retain records of all monitoring information including all
calibration and maintenance records and all original strip chart recordings for continuous
Part V Page 7 of 9

Permit No NCG140000
_ monitoring instrumentation, and copies of all reports required by this General Permit for a period
of at least 5 years from the date of the sample measurement report or application This period
may be extended by request of the Director at any time
Inspection and Entry_
The permittee shall allow the Director or an authorized representative (including an authorized
contractor acting as a representative of the Director) or in the case of facility which discharges
through a municipal separate storm sewer system an authorized representative of a municipal
operator or the separate storm sewer system receiving the discharge upon the presentation of
credentials and other documents as may be required by law, to,
a Enter upon the permittee s premises where a regulated facility or activity is located or
conducted or where records must be kept under the conditions of this General Permit
b Have access to and copy at reasonable times any records that must be kept under the
conditions of this General Permit
c inspect at reasonable times any facilities equipment (including monitoring and control
equipment), practices or operations regulated or required under this General Permit, and
d Sample or monitor at reasonable times for the purposes of assuring General Permit
compliance or as otherwise authorized by the Clean Water Act any substances or
parameters at any location
SECTION E REPORTING REQUIREMENTS
Discharge Monitoring Reports
Samples analyzed in accordance with the terms of this permit shall be submitted to the Division
on Discharge Monitoring Report forms provided by the Director Submittals shall be delivered to
the Division no later than 30 days from the date the facility receives the sampling results from the
laboratory
When no discharge has occurred from the facility during the report period the permittee is
required to submit a discharge monitoring report within 30 days of the end of the sampling
period giving all required information and indicating NO FLOW as per 15A NCAC 02B 0506
The permittee shall record the required qualitative monitoring observations on the SDO
Qualitative Monitoring Report form provided by the Division and shall retain the completed
forms on site Visual monitoring results should not be submitted to the Division except upon
DWQ s specific requirement to do so
Submitting Reports
Two signed copies of the Discharge Monitoring Reports (DMRs) shall be submitted to
Central Files
Division of Water Quality
1617 Mail Service Center
Raleigh North Carolina 27699-1617
Visual monitoring results should not be submitted to Central Files unless requested by DWQ
Availability of Reports
Gxcept for data determined to be confidential under NCGS 143 21S 3(a)(2) or Section 308 of the
Federal Act 33 USC 1318, all reports prepared in accordance with the terms shall be available for
public inspection at the offices of the Division of Water Quality As required by the Act analytical
data shall not be considered confidential Knowingly making any false statement on any such
report may result in the imposition of criminal penalties as provided for in NCGS 143 215 6S or in
Section 309 of the Federal Act
Part V Page 8 of 9

Permit No NCG140000
4 - Nan stormwater Discharges - - - If the storm event monitored in accordance with this General Permit coincides with a non
stormwater discharge the permittee shall separately monitor all parameters as required under
the non stormwater discharge permit and provide this information with the stormwater
discharge monitoring report
5 Planned Changes
The permittee shall give notice to the Director as soon as possible of any planned changes at the
permitted facility which could significantly alter the nature or quantity of pollutants discharged
This notification requirement includes pollutants which are not specifically listed in the General
Permit or subject to notification requirements under 40 CFR Part 122 42 (a)
6 Anticipated Noncompliance
The permittee shall give notice to the Director as soon as possible of any planned changes at the
permitted facility which may result in noncompliance with the General Permit requirements
7 5zu
The permittee shall report to the local DWQ Regional Office within 24 hours, all significant spills
as defined in Part VIII of this permit Additionally the permittee shall report spills including any
oil spill of 25 gallons or more any spill regardless of amount that causes a sheen on surface
waters any oil spill regardless of amount occurring within 100 feet of surface waters and any oil
spill less than 25 gallons that cannot be cleaned up within 24 hours
8 Reporting Bypass
a Anticipated bypass if the permittee knows in advance of the need for a bypass it shall
submit prior notice, if possible at least ten days before the date of the bypass including an
evaluation of the anticipated quality and affect of the bypass
b Unanticipated bypass The permittee shall submit notice within 24 hours of becoming aware
of an unanticipated bypass
9 Twenty four Hour Reporting
The permittee shall report to the central office or the appropriate Regional Office any
noncompliance which may endanger health or the environment Any information shall be
provided orally within 24 hours from the time the permittee became aware of the circumstances
A written submission shall also be provided within five (5) days of the time the permittee
becomes aware of the circumstances
The written submission shall contain a description of the noncompliance and its causes the
period of noncompliance, including exact dates and times and if the noncompliance has not been
corrected the anticipated time compliance is expected to continue and steps taken or planned to
reduce eliminate and prevent reoccurrence of the noncompliance
The Director may waive the written report on a case by case basis if the oral report has been
received within 24 hours
10 Other Noncomphance
The permittee shall report all other instances of noncompliance not reported above under
Twenty-four hour reporting; at the time monitoring reports are submitted
11 Other Information
Where the permittee becomes aware that it failed to submit any relevant facts regarding this
General Permit or in any report to the Director it shall promptly submit such facts or information
Part V Page 9 of 9

Permit No NCG140000
PART VI LIMITATIONS REOPENER -- - -
This General Permit shall be modified or alternatively revoked and reissued to comply with any
applicable effluent guideline or water quality standard issued or approved under Sections 302(b) (2)
(c) and (d), 304(b) (2) and 307(a) of the Clean Water Act if the effluent guideline or water quality
standard so issued or approved
Contains different conditions or is otherwise more stringent than any effluent limitation in
the General Permit, or
Controls any pollutant not limited in the General Permit
The General Permit as modified or reissued under this paragraph shall also contain any other
requirements in the Act then applicable
PART VII ADMINISTERING AND COMPLIANCE MONITORING FEE
REQUIREMENTS
The permittee must pay the administering and compliance monitoring fee within 30 (thirty) days
after being billed by the Division Failure to pay the fee in timely manner in accordance with 15A
NCAC 2H 0105(b)(4) may cause this Division to initiate action to revoke the Certificate of Coverage
PART VIII DEFINITIONS
Act
See Clean Water Act
Adverse Weather
Adverse conditions are those that are dangerous or create inaccessibility for personnel such as
local flooding high winds or electrical storms or situations that otherwise make sampling
impractical When adverse weather conditions prevent the collection of samples during the
sample period the permittee must take a substitute sample or perform a visual assessment
during the next qualifying storm event Documentation of an adverse event (with date time and
written narrative) and the rationale trust be included with your SPPP records Adverse weather
does not exempt the permittee from having to file a monitoring report in accordance with the
sampling schedule Adverse events and failures to monitor must also be explained and reported
on the relevant DMR
,allowable Non-Stormwater Discharges
This permit regulates stormwater discharges Non stormwater discharges which shall be
allowed in the stormwater conveyance system are
(a) All other discharges that are authorized by a non stormwater NPDES permit
(b) Uncontaminated groundwater foundation drains air -conditioner condensate without added
chemicals springs, discharges of uncontaminated potable water, waterline and fire hydrant
fleshings water from footing drains flows from riparian habitats and wetlands
(c) Discharges resulting from fire fighting or fire -fighting training
Parts VI, VII and Vlll Page 1 of 5

Permit No NCG140000
4 Best Management Practices CBMPs]
Me-isures or practices used to reduce the amount of pollution entering surface waters BMPs
may take the form of a process activity or physical structure More information on BMPs can be
found at http //cfpub epa gov/npdes/stormwater/menuofbmps/index cfm
5 Bypass
A bypass is the known diversion of stormwater or wastewater from any portion of a stormwater
or wastewater control facility including the collection system or wastewater treatment facility
which is not a designed or established operating mode for the facility
6 Bulk Storage of Liquid Products
Liquid raw materials, manufactured products waste materials or by products with a single
above ground storage container having a capacity of greater than 660 gallons or with multiple
above ground storage containers located in dose proximity to each other having a total
combined storage capacity of greater than 1320 gallons
7 Certificate of Coverage
1 he Certificate of Coverage (COC) is the cover sheet which accompanies the General Permit upon
issuance and lists the fatality name, location, receiving stream, river basin effective date of
coverage under the permit and is signed by the Director
8 Clean Water Act
The Federal Water Pollution Control Act, also known as the Clean Water Act (CWA), as amended,
33 USC 1251, et seq
9 Detergents
Detergents, additives polymers brighteners and any other solvent or cleaning agents used on
site in the industrial process shall be biodegradable and the pH must be adjusted to within 6 to 9
standard units Wherever possible permittees are encouraged to use phosphate free detergents
A current last of all chemicals with use schedule, quantity MSDS sheets and aquatic toxicology
data shall be kept on site and up to date in the SPPP
10 Division or DW_O
the Division of Water Quality Department of Environment and Natural Resources
11 Director
the Director of the Division of Water Quality the permit issuing authority
12 EMC
The North Carolina Environmental Management Commission
13 Grab S-imple
An individual sample collected instantaneously Grab samples must betaken within the first 30
minutes of discharge
14 Hazardous Substance
Any substance designated under 40 CFR Part 116 pursuant to Section 311 of the Clean Water
Act
15 Measurable Storm Event
A measurable storm event is a storm event that results in an actual discharge from the permitted
site outfall The previous measurable storm event must have been at least 72 hours prior The
72 hour storm interval may not apply if the permittee is able to document that a shorter interval
is representative for local storm events during the sampling period and obtains approval from
the local DWQ Regional Office Two copies of this information and a written request letter shall
Parts VI, VII and VIII Page 2 of 5

Permit No NCG140000
be sent to the local DWQ Regional Office After authorization by the DWQ Regional Office a
written approval letter must be kept on site in the permittee s SPPP
16 Municipal Separate Storm SeweE System
A stormwater collection system within an incorporated area of local self government such as a
city or town
17 Notice of Intent
The state application form which when submitted to the Division officially indicates the
facility s notice of intent to seek coverage under a General Permit
18 Permittee
The owner or operator issued a certificate of coverage pursuant to this General Permit
19 Point -Source Discharge of Stormwater
Any discernible confined and discrete conveyance including but not specifically limited to, any
pipe, ditch, channel tunnel conduit, well or discrete fissure from which stormwater is or may be
discharged to waters of the state
20 Process Wastewater
For the purposes of this permit process wastewater is wastewater generated from the following
activities
(a) Vehicle and equipment cleaning operations For the purposes of this permit vehicle and equipment
cleaning is limited to the rinsing of the external surfaces of vehicles and equipment If detergents are
used, they must be biodegradable, and the pH must be adjusted to within 6 to 9 standard units Wherever
possible, permittees are encouraged to use phosphate free detergents
(b) Raw material stockpile wetting operations This includes wetting for control of temperature and
moisture content Washing of raw materials is not authorized under this permit
(c) Mixing drum cleaning operations This includes vehicle mixing drum and facility mixing drum cleaning
It also includes flushing the bed of a dump truck if used to deliver concrete to a lob site If detergents are
used, they must be biodegradable and the pH must be adjusted to within 6 to 9 standard units Wherever
possible permittees are encouraged to use phosphate free detergents
(d) Commingled stormwater and authorized process wastewater shall be considered process
wastewater
21 Representative outfall Status
When it is established that the discharge of stormwater runoff from a single outfall is
representative of the discharges at multiple outfalls, the DWQ may grant analytical
representative outfall status Representative outfall status allows the permittee to perform
analytical monitoring at a reduced number of outfalls Qualitative monitoring shall be performed
at all discharges locations regardless of representative outfall status (ROS)
22 Secondary C,gntainment
Spill containment for the contents of the single largest tank within the containment structure
plus sufficient freeboard to allow for the 25 year 24-hour storm event
23 Section 313 Water Priority Chemical
A chemical or chemical category which
(a) Is listed in 40 CFR 372 6S pursuant to Section 313 of Title III of the Superfund Amendments and
Reauthorization Act (SARA) of 1986, also titled the Emergency Planning acid Community Right
to Know Act of 1986
(b) Is present at or above threshold levels at a facility subject to SARA title Ill Section 313 reporting
requirements and
(c) Meets at least one of the following criteria
Parts Vl, VI and VI II Page 3 of 5

Permit No NCG140000
(1) is listed in appendix D of 40 CFR part 122 on Table II (organic priority pollutants) Table III
(certain metals cyanides and phenols) or Table IV (certain toxic pollutants and hazardous
substances)
(2) Is listed as a hazardous substance pursuant to Section 311(b)(2)(A) of the CWA at 40 CFR
116 4 or
(3) Is a pollutant for which EPA has published acute or chronic water quality criteria
24 Severe Property Damage
Substantial physical damage to property damage to the control facilities which causes them to
become inoperable or substantial and permanent loss of natural resources which can reasonably
be expected to occur in the absence of a bypass Severe property damage does not mean
economic loss caused by delays in production
25 Significant Materials
Includes but is not limited to raw materials fuels materials such as solvents detergents and
plastic pellets finished materials such as metallic products raw materials used in food
processing or production hazardous substances designated under Section 101(14) of CERCLA,
any chemical the facility is required to report pursuant to Section 313 of Title III of SARA
fertilizers pesticides and waste products such as ashes slag and sludge that have the potential
to be released with stormwater discharges
26 Significant Spills
Includes but is not limited to releases of oil or hazardous substances in excess of reportable
quantities under Section 311 of the Clean Water Act (Ref 40 CFR 110 10 and CFR 117 21) or
Section 102 of CERCLA (Ref 40 CFR 302 4)
27 Stormwater Discharee Outfall fSDO
the point of departure of stormwater from a discernible confined or discrete conveyance
including but not limited to, storm sewer pipes, drainage ditches channels spillways or
channelized collection areas from which stormwater flows directly or indirectly into waters of
the State of North Carolina
28 Stormwater Runoff
The flow of water which results from precipitation and which occurs immediately following
rainfall or as a result of snowmelt
29 Stormwater Associated with Industrial Activity
the discharge from any point source which is used for collecting and conveying stormwater and
which is directly related to manufacturing processing or raw material storage areas at an
industrial site Facilities considered to be engaged in industrial activities include those
activities defined in 40 CFR 122 26(b)(14) The term does not include discharges from facilities
or activities excluded from the NPDES program
30 Stormwater Pollution Prevention Plan_(SPPPI
A comprehensive site -specific plan which details measures and practices to reduce stormwater
pollution and is based on an evaluation of the pollution potential of the site
31 Ten Year Design Storm
The maximum 24 hour precipitation event expected to be equaled or exceeded on the average
once in ten years Storm information can be found in the State of North Carolina Erosion and
Sediment Control Planning and Design Manual
32 Total Flow
The flow corresponding to the time period over which the entire storm event occurs Total flow
shall be either (a) measured continuously (b) calculated based on the amount of area draining
Parts VI, V1I and VIII Page 4 of 5

Permit No NCG140000
to the outfall the amount of built upon (impervious) area and the total amount of rainfall or (c)
estimated by the measurement of flow at 20 minute intervals during the rainfall event
33 Iota] Maximum Daily Load (TMDLI
TMDLs are written plans for attaining and maintaining water quality standards in all seasons,
for a specific water body and pollutant (A list of approved TMDLs for the State of North Carolina
can be found at http //h2o enr state nc us/tmdl/)
34 Toxic Pollutant
Any pollutant listed as toxic under Section 307(a) (1) of the Clean Water Act
35 Vehicle and equipment cleaning
For the purposes of this permit, this cleaning is limited to the rinsing of the external surfaces of
vehicles and equipment If detergents are used they must be biodegradable and the pH must be
adjusted to within 6 to 9 standard units Wherever possible permittees are encouraged to use
phosphate -free detergents
36 Vghicle Maintenance Activity
Vehicle rehabilitation, mechanical repairs painting, fueling lubrication, vehicle cleaning
operations or airport deicing operations
37 Visible Sedimentation
Solid particulate matter, both mineral and organic that has been or is being transported by
water, air, gravity or ice from its site of origin which can be seen with the unaided eye
38 Summer 7Q10
The lowest average 7 day stream flow that is expected to occur once every 10 years during the
summer months
39 25 year. 24 hour storm event
The maximum 24 hour precipitation event expected to be equaled or exceeded on the average,
once in 25 years
Parts VI, VII and VIII Page 5 of 5

North Carolina Department of Environment and Natural Resources
0�oF wArfigac
Technical Bulletin for N.C. General Stormwater
Permit NCG140000
Technical Bulletin for NCG 140000—Ready Mixed Concrete General Permit Revised I I/16/201 1
What activities are covered by this general permW
NCG 140000 coverage includes the discharge of NCG 140000 excludes coverage of
✓Stormwater point source discharges from ready -mixed concrete (SIC code . Discharges of wastewater not spe-
3273) and like activities, including on site vehicle maintenance areas cifically designated in this permit
✓Specific process wastewater discharges (wastewater associated with vehi- • Disposal of any concrete directly
cle and equipment cleaning, raw material stockpiles, and/or mixing drum into stormwater conveyances,
cleanout) storm sewer outfalls, wetlands,
What are key stormwater requirements7
and/or into any waters of the state
,'Perform semi-annual Analytical & Qualitative Stormwater monitoring during a measurable storm event (Part 1V,
Sections A and C) Seethe reverse side of this sheet for more information on the measurable storm event
-'Perform semi annual analytical monitoring for vehicle maintenance areas, if present (Part IV, Section B)
✓Develop & implement a Stormwater Pollution Prevention Plan (SPPP) (Port1/1, Section A)
✓ Provide Secondary Containment for bulk storage of liquid materials (Part 1f1, Section A)
What are key wastewater requirements?
✓Perform Quarterly Analytical Monitoring for wastewater discharges associated with vehicle and equipment cleaning,
raw material stockpiles, and/or mixing drum cleanout, and report results to DWQ (Part IV, Section D)
✓ Maintain a list of detergents, additives, polymers, brighteners and any other solvent, cleaning agents, or like chemi-
cals used on site in the industrial process Additionally, if phosphate -containing detergents are used on site, a feasi-
bility study must be conducted to show the viability of using phosphate -free detergents (Part 11, Section B)
✓Wastewater discharges must meet the requirements of effluent limitations in Part IV, Section D of this permit An
exceedence of any of these limitations will result in a violation of the permit conditions
What has changed since the last renewah
Stormwater-specific changes
• The Stormwater Pollution Prevention Plan has been re-
vised to reflect updated wording and specific concerns
relating to ready -mixed concrete industrial activities
• The monitoring scheme has been changed to semi-annual
monitoring (modified from annual monitoring in years
one and five)
• Cut-off concentrations have been removed and replaced
with Benchmark action levels When an analytical Bench-
mark is exceeded, a Tiered Response applies
• "Measurable Storm Event" has replaced "Representative
Storm Event" See reverse srde for more information
• Failure to monitor stormwater immediately institutes a
minimum 6-month period of monthly monitoring
• Stormwater discharges shall be monitored from vehicle
maintenance areas for Total Petroleum Hydrocarbons
(TPH) rather than Oil & Grease (0&G)
• Qualitative monitoring is tied to the sampling event of the
stormwater analytical sampling and shall be performed
whenever analytical monitoring is performed
Wastewater -specific changes
• WW monitoring has been changed to quarterly
• TSS limits were revised for receiving waters classified
as PNA, Trout, and HQW per 15A NCAC 02B 0224
• 7Q10-based limits for PNA waters have been added
• TPH requirements have been added when wastewa-
ter commingles with vehicle maintenance area (VMA)
stormwater
• Specific new detergent language has been added
• All permittees must monitor wastewater discharges
to surface waters
• Failure to monitor wastewater quarterly per permit
terms immediately institutes monthly monitoring for
a minimum of six months
• Ready -mixed plants with closed loop -recycle systems
or other wastewater treatment facilities that do not
discharge to surface waters must contact DWQ's Aq-
uifer Protection Section Land Application Unit to ob-
tain any necessary permits

I PAGE TECHNICAL BULLETIN FOR N G GENERAL STORMWATFR PERMIT NCGI40000 REVISED 11116/2011 1
Frequently Asked Questions
Do I have to monitor all outfalls?
Yes However you may request Repre
sentative Outfall Status (ROS) for storm
water only outfalls If approved this
status allows analytical monitoring at
fewer outfalls To request ROS, submit
a ROS Request Form SWU ROS (from
our website) to your nearest DWQ Re
gional Office
Where & when do I send DMRs7
Permittees must send all monitoring
reports to DWQ Central Files These
reports shall be submitted on DMR
forms provide by the Director, no later
than 30 days from the date the facility
receives the sampling results
What if I don't address qualita-
tive monitoring problems?
if ready -mixed concrete facilities do not
respond to problems seen in visual
monitoring, DWQ may require that sites
change the monitoring frequency, apply
for an individual permit implement in
stream monitoring, install or modify
structural stormwater controls or im
plement other controls
Can I take more samples than is
required by the permit?
Yes This permit does not bar the per
mittee from taking multiple samples at
any point while under permit coverage
The permittee may find re sampling
useful to quickly identify attempts to
correct discharge problems
What if I forget to monitor?
Ready -mixed facilities that do not moni
for per permit conditions shall monitor
monthly for six months at a minimum
The Regional Office has flexibility to
extend this time period per their ludg
-meet
What is a "Measurable Storm
Event", and do I have to wait 72
hours between storm events?
A measurable storm event is an event
that results in an actual discharge from
the outfall The previous measurable
storm event must have been at least 72
hours prior The 72 hour storm interval
does not apply if the permittee is able to
document that a shorter interval is typi
cal for local storm events during the
sampling period and obtains written
approval from the DWQ Regional Office
The permittee can submit data from a
reputable third party such as the State
Climate Office of North Carolina This
data shall be submitted to the DWQ Re
gional Office with a written request
Is it a requirement to design a
closed -loop recycle system
(CLRS) for our site?
Every site is different but it is not neces
sary to design and operate a CLRS for
many ready mixed facilities If site
specific conditions prevent discharge to
surface waters or make a non discharge
treatment option (such as CLRS) more
feasible, you must contact DWQ's Land
Application Unit to obtain any necessary
permits or to determine if it can qualify
as a "deemed permitted system under
Non Discharge Rules
Do I now need an ATC?
No, not any longer Per North Carolina
Session Law 2011 394 industrial waste
water permit dischargers with an NPDES
permit no longer need additional ap-
proval ' to enter into a contract for the
construction installation or alteration
of any treatment works or disposal sys
tern or to construct, install or alter any
treatment works or disposal system
within the State" However, wastewater
discharges must still meet effluent lima
tations in Part IV, Section D of this per-
mit An exceedence of any of these imi-
tations is a violation of permit condi-
tions
Who can help mel
Division of Water Quality (DWQ)
Must a PE sign -off on my new or
expanded treatment facility?
It is no longer a requirement of this per
mit application for a Professional Engi-
neer to sign off on plans and calcula
tions However it maybe a requirement
of other North Carolina regulations
such as those of the N C Board of Exam-
iners for Engineers and Surveyors
Why did you replace Oil &
Grease with TPH in VM areas?
TPH is specific for chemicals derived
from crude oil so it is a better parame
ter for vehicle maintenance areas The
TPH method we are specifying for
NCG14 is EPA 1664A (SGT HEM) It is
important to note that DWQ is not
specifying the mare expensive Gas Chro
motograph (GQ TPH method DWQ
found lab costs for EPA 1664A (SGT
HEM) to be comparable to current 0&G
test costs Note A lower benchmark
applies for TPH 15 mg/I (not 30 mg/1)
What about the Coastal Rules?
New or expanding ready mixed concrete
facilities in the 20 coastal counties with
>10,000 square feet of built upon area
may also need to obtain a State Storm
water Permit if you are located in one
of the 20 coastal counties, check with
your nearest DWQ Regional Office
What if I can't sample because
of had weather?
Adverse weather is dangerous or cre
ates inaccessibility for personnel Docu
mentation of adverse weather and the
reasons for not sampling must be in
eluded with your 5PPP records A substi-
tute sample must be taken during the
next qualifying storm event
Can I use DAMS at my situ
Yes, flocculants may be used A list of
products can be found on our website
Asheville Office
[phone]
Washington Office
[phone]
Fayetteville Office
[phone]
Wilmington Office
[phone]
Mooresville Office
[phone]
Winston Salem Office
[phone]
Raleigh Ofticq.
(919) 791
Central Offtce�
(91LJ4 f807 6300
DWQ Stormwater Permitting Unit hap /!portal nrdenr orglweblwglwslsu
Impaired Waters & TMDL Lists hup 1/portal ncdenr org/weh1wq/pshntu
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*Permit to discharge wastewater to surface waters is subject to an
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