HomeMy WebLinkAboutNCG030440_DMR_20210719Semi-annual Stormwater Discharge Monitoring Report
for North Carolina Division of Water Quality General Permit No. NCG030000
Datre`submitted
CERTIFICATE OF COVERAGE No. NCG0304/ 7_O �/ r�SAMPLECOLLECTIONYEAR �O�I
FACILITY NAME uMlk le — a,/�eAi� t .l%f -ECEI V EDSAMPLEPERIOD 91an-June ❑ July -Dec
COUNTY POI or ElMonthly' (month)
PERSON COLLECTING SAMPLES tD ,/ JUL 27 Z021 DISCHARGING TO CLASS ❑ORW ❑HQW ❑Trout ❑PNA
LABORATORY kte� !k( ✓Z& La Cert.# �NTRALFILES []Zero -flow ❑WaterSupply ❑SA
Comments on sample collection or analysis: DWR SECTION
[aUther G
Part A: Stormwater Benchmarks and Monitoring Results
PLEASE REMEMBER TO SIGN ON PAGES 2AND/011 4 ->
❑ No discharoe this period?'
Outfall No.
Date
Sample
Collected'
mm/dd/ r
24-hour rainfall
amount,
Inches3
Total Suspended
Salids
pH,
Standard
units
Copper
pP
Lead
Zinc
Non -Polar O&G/
Total Petroleum
Hydrocarbons
Total
Toxic
Organics
Benchmarks
-
-
100 mg/L or 50 mg/L4
6.0 — 9.0
0.0I0mg/L
%025ing/L
0.1ALmg/L
15 mg/L
1 mg/L
/a A
009L
0.0
.070
0,0
/J1
o �d om1
oio i a
i a
4
010
0,0
0")
'-Monthly sampling (instead of semi-annual) must begin with the second consecutive benchmark exceeoance fortne same parameterattne
same outfall.
E For sampling periods with no discharge at any single outfall, you muststill submit this discharge monitoring report with a
checkmark here.
I The total precipitation must be recorded using data from an on -site rain gauge. Unattended sites maybe el igiblefor a waiver of the rain
gauge requirement
�( C
Note: if you report a sample value in excess of the benchmark, you must implement Tier 1, der 2, or firer 3 responses. See General Permit
text.
Part B: Vehicle Maintenance Area Monitoring Results: only for facilities averaging > 55 gal of new oil per month.
n No discharge this Period?2
Date Sample
Collected'
mm/dd/ r)
24-hour rainfall
amount,
Inches3
Non -polar O&G/TPH by
EPA 1664 (SGT HEM
Total Suspended Solids
pH
Outfall No.
Benchmarks == >
_
-
15 mg/L
100 mg/L or 50 mg/L*
6.0 — 9.0 SU
Footnotes from Part A also apply to this Part B
*See General Permit text, Table 5, identifying the especiallysensitivereceivingwater class ificationswhere the more protective benchmark applies.
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 AAND 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 ❑ NO ❑
IF YES, HAVE YOU CONTACTED THE DWQ REGIONAL OFFICE? YES ❑ NO ❑
REGIONAL OFFICE CONTACT NAME:
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: DW Q Centra I Fi I es
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