NCG120038_MONITORING INFO_20200128

w 5vl/o
STORMWATER DIVISION CODING SHEET
NCG PERMITS
PERMIT NO.
/v C& la (] c) 3 b
DOC TYPE
❑HISTORICAL FILE
[.MONITORING REPORTS
DOC DATE
❑ � O
YYYYMMDD

M
DocuSign Envelope ID: 16E57DE7-8F06ABB5-91FF-6115D0028CD1
SMITH+GARDNER
ENGINEERS
January 3, 2020
NCDEQ
Division of Water Quality
Attention: DWQ Central Files
1617 Mail Service Center
Raleigh, NC 27699-1617
AOORESS TEL WEB
14 N. Boylan Avenue, Raleigh NC 27603 919.829.0577 www.smithgardnerinc.com
RE: Discharge Monitoring Report — December 2019
Davidson County Landfill
Certificate of Coverage #NCG120038 .
Dear Sir/Madam:
RECEIVED
JAN 2 8 2020
CENTRAL FILES
DWR SECTION
On behalf of Davidson County, Smith Gardner, Inc. (S+G) is pleased to submit the attached
Discharge Monitoring Report (DMRI and associated analytical report for stormwater
monitoring at the Davidson County Landfill. The facility is permitted to discharge stormwater
related to landfilling activities under Certificate of Coverage (COC) Number NCG120038,
General Permit Number NCG120000. The facility is required to monitor discharge at four (4)
Stormwater Discharge Outfalts: C&D pond, C&D new pond, Phase 2 Pond 3, and Phase 2
Pond 4.
All four samples collected during the December event exceeded the benchmark threshold
for fecal coliform. Phase 2 Pond 3 and Phase 2 Pond 4 also exceeded the benchmark
threshold for total suspended so[ ids (TSS). In April 2013, S+G submitted a permit
modification that indicated animals were an alternate source for fecal coliform exceedances.
Closure of the C&D landfill was completed in 2018. Davidson County and S+G plan to submit
a permit modification application to reduce or remove monitoring for this facility.
We are providing two (21 copies of the December DMR report for this submittal. If you have
any questions, or require further information, please contact us via phone at (919I 828-0577
or by email.
Sincerely,
SMITH GARDNER, INC.
d by:
t'7:9SL t
Staff Engineer, ext. 170
iessefdsmithgardnerinc.com
Attachments
CC: Steven Sink (Davidson County)
Joan Smyth; P.G. (S+G1
File
DocuSigned by:
5B6B31996A674D7...
Pieter K. Scheer, P.E.
Senior Engineer, ext. 123
[e-mail]
KTroje15Wavidson County (NC1102OC ConnphanceW DC NPDE5119. Decernher 201%OWDnpdes_navCa_Dec20l4.doo

DocuSign Envelope ID: 16E57DE7-8Fp6-4BB5-91FF-6115D0028CD1
This page intentionally left blank.

in
RECEIVED
JAN 2 81020
CI .NTFUNL FILES
GWR SECTION
Semi-annual Stormwater Discharge Monitoring Report
for North Carolina Division of Energy, Mineral and Land Resources General Permit No. NCG120000
Date submitted January 3, 2020
CERTIFICATE OF COVERAGE NO. NCG12 0 0 3 8
FACILITY NAME Davidson County Landfill:
COUNTY Davidson
PERSON COLLECTING SAMPLES Steven Sink
LABORATORY Re--Ch and Anahsical Laboratory Lab Cert. # 34
Comments on sample collection or analysis:
Part A: Stormwater Benchmarks and Monitoring Results
SAMPLE COLLECTION YEAR 2019
SAMPLE PERIOD ❑ Jan -June ❑ July -Dec
or ❑■ Monthly' December Imortthl
DISCHARGING TO CLASS ❑ORW ❑HQW ❑Trout ❑PNA
❑Zero -flow ❑Water Supply [_]SA
QOtherc
PLEASE REMEMBER TO SIGN ON THE REVERSE 4
No discharge this period'
Outfall No.
Date Sample
Collected'
(mo/dd/yr)
24-hour rainfall
amount,
Inches'
Chemical Oxygen
Demand
mg/L
Fecal Coliform
Coionles per 300 ml
Total Suspended
Solids
mg/L
pH,
Standard Unhs
Benchmarks
-
120
1000
100 or Sol
Parameter Code
46529
00340
31616
C0530
00400
C&D Pond
12/13/19
1.2
26
3100
25.7
C&D New Pond
12/13/19
1.2
42
>12000
9.2
Ph. 2 Pond 3
12/13/19
1.2
32
6600
362
Ph. 2 Pond 4
12/13/19
1.2
97
512000
1960
' Monthly sampling (instead of semi-annual) must begin with the second consecutive benchmark exceedance far the same parameter at the same outfall.
' For sampling periods with no discharge at any single outfall, you must still submit this discharge monitoring report with a checkmark here.
'The total precipitation must be recorded using data from an on -site rain gauge. Unattended sites may be eligible for a waiver of the rain gauge requirement.
' See General Permit text, Table 1, Identifying the especially sensitive receiving water classifications where the more protective benchmark applies.
Note: Results must be reported in numerical format. For example, do not report Below Detection Limit, BDL, <PQL, Non -detect, ND, or other similar non -
numerical format. When results are below the applicable limits, they must be reported in the format, "<XX mft/L7, where XX is the numerical value of the
detection limit, reporting limit, etc. in mg/L. Conversely, where fecal coliform results exceed the dilution upper limit, report the result as ">XX".
Note. If you report a sample value in excess of the benchmark, you must Implement Tier 1, Tier 2, or Tier 3 responses. See General Permit text.
Permit Date: 11/1/2018.5/31/2021 SWU-248, last revised 11/l/2018
Page 1 of 2
t

Part B: Vehicle Maintenance Area Monitoring Results: only for facilities averaging > 55 gal of new oil per month.
n No discharge this period'
Outfall No.
Date Sample Collected'
(mo/dd/yr)
24-hour rainfall amount,
Inches'
Non -Polar 011 & Grease
mg/L
Total Suspended Solids,
mg/L
New Motor or Hydraulic oil Usage,
gal/mon
Benchmarks
15
100 or 50•
Parameter Code
46529
00552
C0530
NCOI L
footnotes from Part A also apply to this Part B
Note: If you report a sample value in excess of the benchmark, you must implement Tier 1, Tier 2, or Tier 3 responses. See General Permit text.
FOR PART A AND PART B MONITORING RESULTS:
• A BENCHMARK EXCEEDANCE TRIGGERS TIER 1 REQUIREMENTS. SEE PERMIT PART II SECTION B.
• 2 EXCEEDANCES IN A ROW FOR THE SAME PARAMETER AT THE SAME OUTFALL TRIGGER TIER 2 REQUIREMENTS. SEE PERMIT PART II SECTION 8.
• TIER 3: HAS YOUR FACILITY HAD 4 OR MORE BENCHMARK EXCEEDENCES FOR THE SAME PARAMETER AT ANYONE OUTFALL? YES Q NO ❑
IF YES, HAVE YOU CONTACTED THE DEMLR REGIONAL OFFICE? YES 0 NO ❑
REGIONAL OFFICE CONTACT NAME: Jennifer Carter
Mail an original copj� of this DMR, including all "No Discharge" reports, within 30 days of receipt of the lob results (or at end of monitoring period in the
cos o "NoDlschar a"re arts ta:
Division of Waiter Quality
Attn: DWQCentral Files
1617 Mail Service Center
Raleigh, North Carolina 27699-1617
Y MU 1 N TlHiSCEUIFI Tt N FOR ANY INF RM Tf N RE RTED:
"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.
am aware that the a ignificant penalties for submitting false Information, including the possibility of fines and imprisonment for knowing violations."
s.�, - a31 - Q-10
Signature of Permittee Date
Permit Date: 11/1/2018-5/31/2021 SWU-248, last revised 11/1/2018
Page 2 of 2

W
Semi-annual Stormwater_Disc_harge Monitorinp, Report
for North Carolina Division of Energy, Mineral and Land Resources General Permit No. NCG120000
Date submitted January 3, 2020
CERTIFICATE OF COVERAGE No. NCG12 0 0 3 8
FACILITY NAME Davidson County Landfill
COUNTY Davidson
PERSON COLLECTING SAMPLES Steven Sink
LABORATORy Resesrcn andAnsFAC l Ldxwab)ry Lab Cert. # 34
Comments on sample collection or analysis:
Part A: Stormwater Benchmarks and Monitoring Results
SAMPLE COLLECTION YEAR 2019
SAMPLE PERIOD [:])an -June ❑ July -Dec
or ❑� Monthly' December - (month)
DISCHARGING TO CLASS ❑ORW ❑HQW ❑Trout ❑PNA
❑Zero -flow ❑Water Supply ❑SA
❑r Otherc
PLEASE REMEMBER TO SIGN ON THE REVERSE 4
No discharge this periodz
Outfall No.
Date Sample
Collected 1
(mo/dd/yr)
24•hour rainfall
amount,
Inches,
Chemical oxygen
Demand
mg/L
Fecal Collform
Colonies per LOD mL
Total Suspended
Solids
mg/L
pH,
Standard Units
Benchmarks
120
1000
100 or SD,
6.0.9.0
Parameter Code
46529
00340
31616
C0530
00400
C&D Pond
12/13/19
1.2
26
3100
25.7
C&O New Pond
12/13/19
1.2
42
>12000
9.2
Ph. 2 Pond 3
12/13/19
1.2
32
6600
362
Ph. 2 Pond 4
12/13/19
1.2
97
>12000
1960
' Manthly sampling (instead of semi-annual) must begin with the second consecutive benchmark exceedance for the same parameter at the same outfall.
' For sampling periods with no discharge at any single outfall, you must still submit this discharge monitoring report with a checkmark here.
3The total precipitation must be recorded using data from an on -site rain gauge. Unattended sites may be eligible for a waiver of the rain gauge requirement.
' See General Permit text, Table 1, identifying the especially sensitive receiving water classifications where the more protective benchmark applies.
Nate: Results must be reported in numerical format. For example, do not report Below Detection Limit, BDL, <PQL, Non -detect, ND, or other similar non -
numerical format. When results are below the applicable limits, they must be reported in the format. "<XX mg/L', where XX is the numerical value of the
detection limit, reporting limit, etc. in mg/L, Conversely, where fecal coliform results exceed the dilution upper limit, report the result as ">XX".
Note: If you report a sample value in excess of the benchmark, you must Implement 71er 1, 77er 2, or Tier 3 responses. See General Permit text.
Permit Date: 11/1/2018.5/31/2021
SWU-248, last revised 11/1/2018
Page 1 of 2

Part B: Vehicle Maintenance Area Monitoring Results: only for facilities averaging > 55 gal of new oil per month.
n No discharge this period'
Outfall No.
Date Sample Collected'
{mo/dd/yrl
24-hour rainfall amount,
Inches'
Non -Polar oil & Grease
mg/L
Total Suspended Solids,
mg/L
New Motor or Hydraulic Oil Usage,
gal/mon
eenchrharks
15
100 or SW
Parameter Code
46529
00552
C0530
NCOIL
Footnotes from Part A also apply to this Part B
Note: If you report a sample value in excess of the benchmark, you must implement Ter 1, 77er 2, or 77er 3 responses. See General Permit text.
FOR PART A AND PART B MONITORING RESULTS:
• A BENCHMARK EXCEEDANCE TRIGGERS TIER 1 REQUIREMENTS, SEE PERMIT PART II SECTION B.
2 EXCEE DANCES IN A ROW FOR THE SAME PARAMETER AT THE SAME OUTFALL TRIGGER TIER 2 REQUIREMENTS. SEE PERMIT PART II SECTION B.
TIER 3: HAS YOUR FACILITY HAD 4 OR MORE BENCHMARK EXCEEDENCES FOR THE SAME PARAMETER AT ANYONE OUTFALL? YES [E]NO[]
IF YES, HAVE YOU CONTACTED THE DEMLR REGIONAL OFFICE? YES 0 NO ❑
REGIONAL OFFICE CONTACT NAME; Jennifer Carler
Malt an original copy of this DMR, including_ all "No Discharge"_ reports, within 30_days of receipt of the lab results (or at end o(rrronitoring period In the
case of "No Discharge" reports) to:
Division of Water Quality
Attn: DWQ Central Files
1617 Mall Service Center
Raleigh, North Carolina 27699-1617
YOU MUST SIGN THIS CERTIFICATION FOR ANX 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.
am aware that there ark glgniflcant penalties for submitting false information, including the possibility of fines and imprisonment for knowing violations."
-a - -IT)
Signature of Permittee ' Date
Permit Date: 11/1/2018-5/31/2021 SWU-248, last revised 11/1/2o18
Page 2 of 2

M
DocuSign Envelope ID: 16E57DE7-8F06-4BB5-91FF-6115D0028CD1
RESEARCh & ANAtyTiCAI
UboRATORBES, 114Ce
For: Davidson County Landfill
945 North Main Street
Lexington, NC 27293
Attn: Steven Sink
Report of. Analysis
12/20/2019
.........
•- • 4- Cila
i 41� •
CO NC#34
me-S NC#37701
,P47 o AW':
Client Sample ID: C&D Pond Lab Sample ID: 76042-01
Site: Davidson Co Landfill Collection Date: 12/13/2019 9:36
Parameter Method Result Units 'Rep Limit Analyst Analysis DatelTime
COD EPA 410.4 26 mg/L 5 HW 12113/2019
Fec Coli-MF SM 9222 D-1997 3100 col/100 ml 1 BJ 12/13/2019 1459
Total Suspended Solids (TSS) SM 2540 D-1997 25.7 mg/L 5 - AW 12/16/2019
Client Sample ID: C&D New Pond Lab Sample ID: 76042-02
Site: Davidson Co Landfill Collection Date: 12/13/2019 9:25
Parameter Method Result Units Rep Limit Anal s Analysis Date/Time
COD EPA 410.4 42 mg/L 5 HW 12/13/2019
Fec Coli-MF
SM 9222 D-1997
Total Suspended Solids (TSS) SM 2540 D-1997
Client Sample 1D: Phase 2 Pond 3
Site: Davidson Co Landfill
>12000 col/100 ml 1
9.2 mg/L 5
BJ 12/13/2019 1507
AW 1211612019
Lab Sample ID: 76042-03
Collection Date: 12/13/2019 9:05
{ Parameter
Method
Result
Units
Rep Limit
Analyst Analysis DatelTime
COD
EPA 410.4
32
mg/L
5
HW 12/13/2019
Fec Coli-MF
SM 9222 D-1997
6600
col/100 ml
1
BJ 12/13/2019 1512
Total Suspended Solids (TSS)
SM 2540 D-1997
362
mglL
5
AW 12116/2019
Client Sample ID: Phase 2 Pond 4 Lab Sample ID: 76042-04
Site: Davidson Co Landfill Collection Date: 12/13/2019 8:52
Parameter MAthod Result Units Rep Limit Analyst Analysis DatelTime
COD EPA 410.4 97 mg/L 5 HW 12113/2019
P.O. Box 473 106 Short Street Kernersvlile, North Carolina 27284 Tel: [phone] Fax: [phone] www.randolabs.com Page 1
rat coa basic vld

DocuSign Envelope ID: 16E57DE7-8F06-4BB5-91FF-6115D0028CD1
r
RESEARCh & AF4AtYTiCA[
LA ORATORIES' IIYVO
Report of Analysis
12/20/2019
Client Sample 1D: Lab Sample ID:
Site: Collection Date: 8:52
Parameter Method Result Units Rea Limit Analyst Analysis Dateliime
Fec Coli-MF SM 9222 D-1997 >12000 C01/100 ml 1 BJ 12/13/2019 1518
Total Suspended Solids (TSS) SM 2540 D-1997 1960 mg/L 5 AW 12/16/2019
NA = not onalyzed
P.Q. Box 473 106 Short Street Kernersville, North Carolina 27284 Tel [phone] Fax: [phone] www,rand alabs, corn Page 2
mi coa basic v1d

DocuSign Envelope T: 16E57DE7�8Fp6-4BBS91FF-6115DD028CD1
RESEARCh & ANALYTICAL
LAbORATORIES, INC.
Analytical 1 Process Consultations
Phone [phone]
CHAIN OF CUSTODY RECORD
. WATER I WASTEWATER I MISC.
COMPANY
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JOB NO.
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STREET ADORESS j
PROJECT'
CITY, STATE, ZIP
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SAMPLER NAME IPLEASE PRINT)
CONTACT PHONE
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SAMPLE NUMBER
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DATE
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REMARKS:
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SAMPLE TEMPERATURE AT RECEIPT..) . I °C
RELINQUISHED BY
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RECEIVEDBY

DocuSign Envelope ID: 16E57DE7-8F06-4BB5-91FF-611500028CD1
SMITH*GARDNER
ENGINEERS
January 3, 2020
NCDEQ
Division of Water Quality
Attention: DWO Central Files
1617 Mail Service Center
Raleigh, NC 27699-1617
ADDRESS a WEB
14 N. Boylan Avenue, Raleigh NC 27603 9I9.82E.0577 wwwsmithgardnednc.com
. RECEIVED
RE; Discharge Monitoring Report — November 2019
Davidson County landfill
Certificate of Coverage ANC6120038
Dear Sir/Madam:
JAN 2 8 2020
CENTRAL FILES
DR SECTION
On behalf of Davidson County, Smith Gardner, Inc. (S+G1 is pleased to submit the attached
Discharge Monitoring Report (DMR) and associated analytical report for stormwater
monitoring at the Davidson County Landfill. The facility is permitted to discharge stormwater
related to landfiRing activities under Certificate of Coverage (COC1 Number NCG120038,
General Permit Number NCG120000. The facility is required to monitor discharge at four (41
Stormwater Discharge Outfalls: C&D pond, C&D new pond, Phase 2 Pond 3, and Phase 2
Pond 4.
All four samples collected during the November event exceeded the benchmark threshold
for fecal coliform. C&D pond, Phase 2 Pond 3, and Phase 2 Pond 4 also exceeded the
benchmark threshold for total suspended solids (TSS]. In April 2013, S+G submitted a permit
modification that indicated animals were an alternate source for fecal coliform exceedances.
Closure of the C&D landfill was completed in 2018. Davidson County and S+G plan to submit
a permit modification application to reduce or remove monitoring for this facility.
We are providing two (2) copies of the November DMR report for this submittal. If you have
any questions, or require further information, please contact us via phone at 1919) 828-0577
or by email.
Sincerely,
SMITH GARDNER, INC.
DocuSiigned by:
J er�c9�g93�Mq-
Staff Engineer, ext. 170
iessefasmithgardneri nc.com
Attachments
CC: Steven Sink (Davidson County)
Joan Smyth, P.G. (S+G)
File
DmuSigned by'
A/ a ,�
SB86319g6A674p7...
Pieter K. Scheer, P.E.
Senior Engineer, ext. 123
pieterfdsmithgard nevi nc.com
HAProjecis\Davidson Counly INCI102 DC Compliancr103 DC NPr)ESM November 201VW0npdes_0avCo_Nov20I?.docr

❑ocuSign Envelope ID: 16E57DE7-BF06-4BB5-91FF-6115D0028GD1
This page intentionally left blank.

RECEIVED
JAN 2 8.2020
CENTRAL FILES
©WR SECTION
Semi-annual'Stormwater Discharge Monitoring Report
for North Carolina Division of Energy, Mineral and Land Resources General Permit No. NCG120000
Date submitted January 3, 2020
CERTIFICATE OF COVERAGE No. NCG12 0 0 3 8
FACILITY NAME Davidson County Landfill
COUNTY Davidson
PERSON COLLECTING SAMPLES Steven Sink
LABORATORY Rama= an0 An"Ca La mmiory Lab Cert.:r 34
Comments on sample collection or analysis:
Part A: Starmwater Benchmarks and Monitoring Results
SAMPLE COLLECTION YEAR 20IG
SAMPLE PERIOD ❑ Jan -June ❑ July -Dec
or ❑■ Monthly' November (monthl
DISCHARGING TO CLASS ❑ORW []HQW Trout ❑PNA
❑Zero -flow Water Supply []SA
MOtherc
PLEASE REMEMBER TO SIGN ON THE REVERSE -)
❑ No discharge this period'
Out}all No.
Date Sample
Collected'
Imo/dd/yrj
24-hour rainfall
amount,
Inches'
Chemical Oxygen
Demand
mg/L
Fecal Coliform
Colonies per 100 mL
Total Suspended
Solids
nj/L
pH,
Standard Units
Benchmarks
-
120
1000
100 or So'
6.0-9.0
Parameter Code
46529
00340
31616
C0530
OD400
C&D Pond
11127/19
0.35
33
10600
131
C&D New Pond
11/27/19
0.35
59
4900
17A
Ph, 2 Pond 3
11/27/19
0.35
45
>12000
242
Ph. 2 Pond 4
11/27/19
0.35
73
y12000
1190
' Monthly sampling (instead of semi-annual) must begin with the second consecutive benchmark exceedance for the same parameter at the same outfall.
'For sampling periods with no discharge at any single outfall, you must still submit this discharge monitoring report with a checkmark here.
'The total precipitation must be recorded using data from an on -site rain gauge. Unattended sites may be eligible for a waiver of the rain gauge requirement.
' See General Permit text, Table 1, identifying the especially sensitive receiving water classifications where the more protective benchmark applies.
Note: Results must be reported in numerical format. For example, do not report Below Detection Limit, BDL, <PQL, Non -detect, ND, or other similar non -
numerical format. When results are below the applicable limits, they must be reported In the format, _"sM innRIV. where XX is the numerical value of the
detection limit, reporting limit, etc. in mg/L Conversely, where fecal coliform results exceed the dilution upper limit, report the result as "nXX".
Note: If you report a sample value in excess of the benchmark, you must implement 71er 1, Tler 2, or Tier 3 responses. See Genera! Permit text.
Permit Date: 1111/2018-5/31/2021 SWU•248, last revised 11/1/2018
Page 1 of 2

Part 9: Vehicle Maintenance Area Monitoring Results: only for facilities averaging > 55 gal of new oil per month.
n No discharge this Deriod'
Outfall No.
Date Sample Collected'
(mo/dd/yr)
24-hour rainfall amount,
Inches'
Non -Polar Oil & Grease
mg/L
Total Suspended Solids,
mg/L
New Motor or HydrauBc Oil Usage,
gal/man
Benchmarks
-
15
100 or SW
—
Parometer Code
46529
00552
CO530
NCOIL
Footnotes from Part A also apply to this Part B
Note: If you report a sample value In excess of the benchmark, you must Implement Tier 1, Tier 2, or Tier 3 responses. See General Permit text.
FOR PART A AND PART B MONITORING RESULTS:
• A BENCHMARK EXCEEDANCE TRIGGERS TIER 1 REQUIREMENTS. SEE PERMIT PART II SECTION B.
• 2 EXCEEDANCES IN A ROW FOR THE SAME PARAMETER AT THE SAME OUTFALL TRIGGER TIER 2 REQUIREMENTS. SEE PERMIT PART II SECTION B.
• TIER 3: HAS YOUR FACILITY HAD 4 OR MORE BENCHMARK EXCEEDENCES FOR THE SAME PARAMETER AT ANY ONE OUTFALL? YES 0 NO ❑
IF YES, HAVE YOU CONTACTED THE DEMLR REGIONAL OFFICE? YES El NO ❑
REGIONAL OFFICE CONTACT NAME: Jennifer Carter
Mail an ariainal caav of this DMR. Including all "No Discharge" reports. within 30 days ofrecelat of the lob results for at end of monitoring period in the
cost of "No Discharge" reports) to.
Division of Water Quality
Attn: DWQ Central Files
1617 Mail Service Center
Raleigh, North Carolina 27699-1617
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 Informatia6 submitted. Based on my inquiry of the person or persons who manage the system, or
those persons directly responslbte for gathering the information, the information submitted is, to the hest of my knowledge and belief, true, accurate, and complete.
am aware that there are significant penalties for submitting false information, including the possibility of fines and imprisonment for knowing violations."
Signature of Permittee Date
Permit Date: 11/l/2018-5/31/2021 SWU-248, last revised 12/1/2018
Page 2of2

r
Semi-annual Stormwater Discharge Monitoring Report
for North Carolina Division of Energy, Mineral and Land Resources General Permit No. NCG120000
Date submitted January 3, 2020
CERTIFICATE OF COVERAGE No. NCG12 0 0 3 8
FACILITY NAME Davidson County Landfill
COUNTY Davidson
PERSON COLLECTING SAMPLES Steven Sink
LABORATORY R.-- h and Mdyrlui Lab«at"r Lab Cert. p 34
Comments on sample collection or analysis:
Part A: Stormwater Benchmarks and Monitoring Results
SAMPLE COLLECTION YEAR 2019
SAMPLE PERIOD ❑ )an -June ❑ July -Dec
or K Monthly' November (month)
DISCHARGING TO CLASS ❑ORW ❑HQW ❑Trout ❑PNA
❑Zero -flow ❑Water Supply ❑SA
❑■ OtherC
PLEASE REMEMBER TO SIGN ON THE REVERSE 4
❑ No discharge this period?
Outfall No.
Date Sample
Collected'
(mo/dd/yrj
24-hour rainfall
amount,
Inches
chemical Oxygen
Demand
mg/L
FecalCoriform
Colonies per 100 ml
Total Suspended
Solids
mg/L
pH,
Standard Units
Benchmarks
120
1000
100 or 50`
6.0-9.0
Parameter Code
46529
00340
31616
C0530
004DO
C&D Pond
11/27/19
035
33
10600
131
C&D New Pond
11/27/19
0.35
59
4900
17.1
Ph. 2 Pond 3
11/27/19
0.35
45
>12000
242
Ph, 2 Pond 4
11R7119
0.35
73
>12000
1190
' Monthly sampling (instead of semi-annual) must begin with the second consecutive benchmark exceedance for the same parameter at the same outfall.
' Far sampling periods with no discharge at any single outfall, you must still submit this discharge monitoring report with a checkmark here.
'The total precipitation must be recorded using data from an on -site rain gauge. Unattended sites may be eligible for a waiver of the rain gauge requirement.
`See General Permit text, Table 1, identifying the especially sensitive receiving water classifications where the more protective benchmark applies.
Note: Results must be reported in numerical format. For example, do not report Below Detection Limit, BDL, <PQL, Non -detect, ND, or other similar non -
numerical format. When results are below the applicable limits, they must be reported in the format. "<XX mg/L, where XX is the numerical value of the
detection limit, reporting limit, etc. in mg/L. Conversely, where fecal coliform results exceed the dilution upper limit, report the result as ">XX".
Note: If you report a sample volue In excess of the benchmark, you must implement ter 1, Tier 1, or Tier 3 responses. See General Permit text.
Permit Date: 11/1/2018-5/31/2021 SWU-248, last revised 11/1/2018
Page 1 of 2

Part B: Vehicle Maintenance Area Monitoring Results: only for facilities averaging > 55 gal of new oil per month.
n No discharge this period'
Outfall No.
Date Sample Collected'
(mo/dd/yr)
24-hour rainfall amount,
inches'
Non -Polar Oil & Grease
mg/L
Total Suspended Solids,
mg/L
New Motor or Hydraulic Oil Usage,
gal/man
tienchmorks
15
100 or So`
—
Parameter Code
46S29
00552
C0530
N COIL
i
Footnotes from Part A also apply to this Part B
Note: If you report a sample value In excess of the benchmark, you must implement filer I, Tier 2, or Tier 3 responses. See General Permit text.
FOR PART A AND PART B MONITORING RESULTS:
A BENCHMARK EXCEEDANCE TRIGGERS TIER 1 REQUIREMENTS. SEE PERMIT PART II SECTION B.
• 2 EXCEEDANCES IN A ROW FOR THE SAME PARAMETER AT THE SAME OUTFALL TRIGGER TIER 2 REQUIREMENTS. SEE PERMIT PART II SECTION B.
+ TIER 3: HAS YOUR FACILITY HAD 4 OR MORE BENCHMARK EXCEEDENCES FOR THE SAME PARAMETER AT ANY ONE OUTFALL? YES 0 NO []
IF YES, HAVE YOU CONTACTED THE DEMLR REGIONAL OFFICE? YES 0 NO 0
REGIONAL OFFICE CONTACT NAME: Jamifer Carter
Mallon orlainal copy of this DMR, including all "No Discharae" reports, within 30 days ofreceivt of the lob results for at end of monitoring period in the
case of "No Dischorae" reports] to:
Division of Water Quality
Attn: DWQ Central Files
1617 Mail Service Center
Raleigh, North Carolina 27699-1617
YOU MUST SIGN THIS CERTIFICATION FOR ANY INFORMATION REPORTED:
"I certify, under penalty of law, that this document and at) 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.
am aware that there are significant penalties for submitting false information, including the possibility of fines and imprisonment for knowing violations."
— Ao--, �k
Signature of Perniittee Date
Permit Date: 11/l/2019-5/31/2021 SWU-248, last revised 11/1/2018
Page 2 of 2

i
DocuSign Envelope ID: 16E570E7-8F06-4BB5-91FF-6115DO028CD1
RESEARCh & ANALyricA1
I.AbORATORiES, INC.
For: Davidson County Landfill
945 North Main Street
Lexington, NC 27293
Attn: Steven Sink
Report of Analysis
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Client Sample ID: C&D New Pond Lab Sample ID: 75300-01
Site: Davidson Co Landfill Collection Date: 11/27/2019 10:18
Parameter Method Result Units Rep Limit Analyst Analysis DatelTime
COD EPA 410.4 59 mg/L 5 HW 12/2/2019
Fec Coli-MF SM 9222 D-1997 4900 col/100 ml 1 BJ 11/27/2019 1510
Total Suspended Solids (TSS) SM 2540 D-1997 17.1 mg/L 5 AW 12/2/2019
Client Sample ID: C&D Pond Lab Sample ID: 75300-02
Site: Davidson Cc Landfill Collection Date: 11/27/2019 10:29
Parameter Method Result Units Rep Lim! Analyst Analysis Dategime
COD EPA 410.4 33 mg/L 5 HW 12/2/2019
Fec Coli-MF SM 9222 D-1997 10600 co11100 ml 1 BJ 11/27/2019 1522
Total Suspended Solids (TSS) SM 2540 D-1997 131 mg1L 5 AW 1202019
Client Sample ID: Phase 2 Pond 4 Lab Sample ID: 75300-03
Site: Davidson Cc Landfill Collection Date: 11/27/2019 10:50
Parameter Method Result Units Rep Limit Analyst Analysis DatefTime
COD ' EPA 410.4 73 mg/L 5 HW 12/2/2019
Fec Cali-MF SM 9222 D-1997 >12000 c011100 ml 1 BJ 11/27/2019 1529
Total Suspended Solids (TSS) SM 2540 D-1997 1190 mg/L 5 AW 12/2/2019
Client Sample ID: Phase 2 Pond 3 Lab Sample ID: 75300-04
Site: Davidson Co Landfill Collection Date: 11/27/2019 11A0 .
Parameter Method Result Units Rep -Limit Analyst Analysis Date/Time
COD _ EPA 410.4 45 mg/L 5 HW 12/2/2019
P.O. Box 473 106 Short Street Kernersvilte, North Carolina 27284 TeL [phone] Fax: [phone] www.randalabs.com Page 1
rat cna basic vld

DocuSign Envelope ID: 16E57DE7-8F06-4885-91FF-6115D0028CD1
V
RESEARCh & ANAtyTiCA1 Report of Analysis
LAboRAT®R➢ESP. INC. 121512019
Client Sample ID: Lab Sample ID:
Site: Collection Date: 11:10
Parameter Method Result Units Rep_ Limit Analyst Analysis DatelTime
Fec Coli-MF SM 9222 D-1997 >12000 col/100 ml 1 BJ 11/27/2019 1536
Total Suspended Solids (TSS) SM 2540 D-1997 242 mg/L 5 AW 121212019
NA = not onclyzed
P.p. Box 473 105 Short Street Kernersville, tVorih Carolina 27284 Tel; 336 996-2841 Fax: [phone] www.randalabs.com Page 2
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DocuSign Envelope ID: 16E57OE7-8F06�BB5-91 FF-6115O0028COl
RESEARCh & ANA[yTICAI
�LABORATORIES, INC.
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Phone [phone]
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