NCG080822_DMR_20210504

Semi-annual Stormwater Discharge Monitoring Report
for North Carolina Division of Energy, Mineral and Land Resources General Permit No. NCG080000
Date submitted 6-14 /ZI
CERTIFICATE OF COVERAGE NO. NCG08 0 8 2 2 SAMPLE COLLECTION YEAR 2021
FACILITY NAME City of Charlotte- Central Yard SAMPLE PERIOD ❑ Jan -June ❑ July -Dec
COUNTY Mecklenburg�/+��"� or [:]Monthly' March (month)
PERSON COLLECTING SAMPLES Timothy eesier l D DISCHARGING TO CLASS ❑ORW ❑HQW ❑Trout ❑PNA
❑ low ❑Water Supply ❑5A
LABORATORY Cba tWMftkl ,burebabommn•se� Lab Cen. H 192 MAY % 2021
Comments on sample collection or analysis:❑Otherther Class C
Rainfall measurements collected from USGS Rain Gage CRN-15 EN T ItAL FILE5 SECTION PLEASE REMEMBER TO SIGN ON THE REVERSE
Did this facility perform Vehicle Maintenance Activities using more than 55 gallons of new oil per month? ❑■ yes [:]no (if ves• complete Part A)
Part A: Vehicle & Equipment Maintenance Areas Monitoring Requirements (If applicable) ❑ 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/mon
Benchmarks
_
-
15
100 or 504
Parameter Cade
-
46529
00552
C0530
NCOIL
005
03/25/21
1.23
12
238
1,629
' 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, NO, or other similar non -
numerical format. When results are below the applicable limits, they must be reported in the format, "<XX mtt/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".
Permit Date: 11/1/2018-5/31/2021 SWU-248, last revised 11/1/2018
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