NCG240019_DMR_20201030

Quarterly Stormwater Discharge Monitoring Report
for North Carolina Division of Water Quality General Permit No. NCG240000
Date submitted 10/30/2020
CERTIFICATE OF COVERAGE NO. NCG240019
FACILITY NAME Mecklenburg County Compost Central (new)
COUNTY Mecklenburg
PERSON COLLECTING SAMPLES Khaliem Adams
LABORATORY: Pace Analytical Services Lab Cert. # 192
Comments on sample collection or analysis:
SAMPLE COLLECTION YEAR _2020
SAMPLE QUARTER ❑ Jan -March ❑ April -June ❑ July -Sept ❑ Oct -Dec
or ® Monthly' October (month)
DISCHARGING TO CLASS ❑ORW ❑HQW []Trout ❑PNA
❑Zero -flow ❑Water Supply ❑SA
R C.EI, ❑
t�
Other
JAN 1 1 2C21
Part A: Stormwater Benchmarks and Monitoring Results n "71r ';,�?� c Total event rainfall 12.60 in or ❑ No discharge this period'
Date Sample
Collected'
(mo/dd/yr)
Outfall No.
T55
COD
Fecal
coliform
Total
nitrogen
Total
phosphorus
Total
copper
Total
lead
Total
zinc
pH
Parameter
benchmarks =__>
100 mg/L4
120 mg/L
1000 col./100 mL
30 mg/L
2 mg/L
0.010 mg/L
0.075 mg/L
0.126 mg/L
6-9
10/13/2020
1
7.1
176
6000
3.3
1.6
<0.0066
<0.0050
0.014
8.67
' Monthly sampling (instead of quarterly) must begin with the second consecutive benchmark exceedance for the same parameter at the same outfall.
2The 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.
'For sampling periods with no discharge, you must still submit this discharge monitoring report with a checkmark here.
'The TSS benchmark value is 100 mg/L; except when discharging to ORW, HOW, Trout, and PNA waters in which case the benchmark is 50 mg/L.
Permit Date:10/1/2011-9/30/2016 Last Revised 12/02/11
Page 1 of 2

Part B: Vehicle Maintenance Area Monitoring Results: only for facilities averaging > 55 gal of new motor oil/month.
Date Sample
Collected'
(mo/dd/yr)
Outfall No.
pH
TPH'using method
1664A`SGT--HEM
TSS
Total
Rainfall2
Check
if No
Flow
This
Period
Average New Motor Oil Usage
6-9
15 mg/L
100 mg/La
-
10/13/2020
1
8.67
<5.0
7.1
2.60
75 gal/month
Footnotes from Part A also apply to this Part B
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 4 NO ❑
IF YES, HAVE YOU CONTACTED THE DWQ REGIONAL OFFICE? YES ® NO ❑
REGIONAL OFFICE CONTACT NAME: Teresa Bradford
Mail an original and one copy of this DMR, including all "No Discharge" reports, within 30 days of receipt of the lab results (or at end of monitoring period
in the case 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 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."
(Signatu
Permit,e
1/2011-9/90/2016
(Dat
Last Revised 12/02/11
Page 2 of 2

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