NCG120023 DMR SW

Semi-annual Stormwater Dischame-Monitorinwileyart-
for North Carolina Division of Water Quality General Permit No. NCG120M
Date submitted May 18, 2015
CERTIFICATE OF COVERAGE NO. NCG12 0 0 2 3
FACILITY NAME Onslow County Landfill
COUNTY Onslow
PERSON COLLECTING SAMPLES Janet -Connor-
LABORATORY Pace AnaMical."Iric. Lab Cert. # 37712/37731
Comments on sample collection or analysis:
Part A: Stormwater Benchmarks and Monitoring ftesu ts-
SAMPLE COLLECTION YEAR- 2015
SAMPLE PERIOD ❑X Jan -June ❑ July -Dec
or ® Monthly' April (month)
QISCktAFAMTE2f1ASSr MdR1 Ai- ❑HQW- - ❑T -r -out ❑Pt&k-
❑Zero -flow ❑Water Supply [:]SA
®Other Former Borrow Pit
PLEASE REMEMBER TO SIGN ON THE REVERSE 4
❑ No discharge this period ?2
Outfall No.
Date Sample
Collected'
(iQdd/yr)
244hour rainfall
amount,
Inches'
Chemical Oxygen Demand
Fecal -Coliform Total-SuspendedSolids
Benchmarks-===>
_
-
120 mg/L
1000 count per 100 mL
100 mg/L or 50 mgfL
2
4/20/15
0.57
57.0
19.0
13.0
3
4/20/15
0.57
632
15,000
188
' Monthly sampling (instead of semi-annual) must begin with the second consecutive benchmark exceedance for -the -same -parameter at --the same outfall.
Z For sampling periods with--no-discharge=a.any-single-outfall,=you=must-still-submit-this-dischargemonitorirtgreportwitha-ctim-kmark-twee -
4The total precipitation must -be -recorded using-data-from-an-on=site-°rain-gauge: Unattended -sites -maybe -eligible#or=a-waiver=of-the-Taingauge-°requirement.
a See General Permit text, Table 3, identifying the especially sensitive receiving water classifications where the more protective benchmark applies.
Note: Results must be reported in numerical -format. for -exampleAg-notreport Below Detection -Limit, ---BDL, <PQL,-Non-detect,-ND;-or-ut--her-sirrrNar-iron=-
numerical format. When results are below the- applicable--limits;.theymust-be-reaortedirrthe format= -"<XX me/t" where XX is-thenumerical valuevfthe
detection limit, reporting limit, etc. in mg/L. Conversely, where, fecal col iform-resul&exceed the dilution upper limit, report the result as ">XX".
Note: If you report a sample value In excess of the benchmark, you must=impiement=Tier-1,-Tier4,-or--7fer3-responses, See, General-P-ermit=text.
Permit Date: 11/1/2012-10/31/2017 SWU-248, last revised 10/25/2012
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Part B: Vehicle Maintenance Area Monitoring Results: only for facilities averaging > 55 gal of new oil per month.
n 'Nn rlicrhnrnc fthic nor;~4>2
Outfall No.
Date Sample 24-hour rainfall
Collectedi amount,
(mo/dd/yr) Inches3
Non -polar O&G/TPH by
EPA 1664 (SGT -HEM) Total Suspended Solids pH
Benchmarks ===>
_ -
15 mg/L 100 mg/L or 50 mg/0 6.0 — 9.0 SU
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 ANYONE OUTFALL? YES ®NO ❑
IF YES, HAVE YOU CONTACTED THE DWQ REGIONAL OFFICE? YES ®NO ❑
REGIONAL OFFICE CONTACT NAME: Sonia Gregory
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
am aware that there are significant penalties for submitting false information, Including the possibility of fines and imprisonment for knowing violations."
(Date)
Permit Date: 11/1/2012-10/31/2017 SWU-248, last revised 10/25/2012
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