NCG160132_DMR_20211217

Semi-annual Stormwater Discharge Monitoring Report IDMR)
for North Carolina DEMLR General Permit No. NCG160000 - Asphalt
Date submitted 8/30/2021
CERTIFICATE OF COVERAGE No. NCI
FACILITY NAME Hammaker East E
SAMPLE COLLECTION YEAR2021
SAMPLE PERIOD ❑ Jan -June ® July -Dec
Rt: tIVES ❑
or ❑ Monthly' (month)
PERSON COLLECTINGSAMPLESShaWnByfam HARGINGTOCLASSORW ❑HQW ❑Trout ❑PNA
LA130RATORY Pace Anal yUca Lab Cert. g460025 ❑Zero -flow ®Water Supply [:]SA
Comments on sample collection or analysis: fV t '3 )Ii. < ❑Other
0132
DWR S r� TtnEs PLEASE REMEMBER TO SIGN ON THE REVERSE
Part A: Stormwater Benchmarks and Monitoring Results
No discharge this period?'
Outfall No.
Date Sample
Collected'
(mo/dd/vr)
24-hour rainfall
amount,
Inches'
Total Suspended Solids
Benchmarks ===>
_
-
100 mg/L or 50 mg/L4
001
7/0212021
0.18
14.0 mg/L
002
7/02/2021
0.18
12.0 mg/L
' 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 check mark here,
'The total precipitation must be recorded using data from an on-slte rain gauge. Unattended sites may be eligible for a waiver of the rain gauge
4requirement. 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 exam de, 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 me/L", where XX is the numerical value of the
detection limit, reporting limit, quantltation limit, etc. in mg/L.
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: 08/01/2019-05/31/2024 SWU-252, last revised 09/04/2019
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Part B: Vehicle Maintenance Area Monitoring Results: only for facilities averaging > SS gal of new oil per month.
❑ No discharge this perlo02
Outfall No.
Date;Sample
co'
(mor)
24hour rainfall
amount,
Inches'
Non -polar O&G by EPA
1664 (SGT-HEM)
Total Suspended Solids
New Motor Oil or Hydraulic
Oil Usage, Annual average
gal/mo
Benchmarks =__>
-
15 mg/L
100 /L or 50 mg/L4
_
Footnotes from Part A also apply to this Part B
Note: If you report a sample value /n excess of the benchmark, you must implement 71er 1, Tier 2, or Tier 3 responses. see General Permit text.
FOR PART A AND PART B MONITORING RESULTS:
• A SINGLE BENCHMARK EXCEEDANCE TRIGGERS TIER 1 REQUIREMENTS.
• 2 EXCEEDANCES IN A ROW FOR THE SAME PARAMETER AT THE SAME OUTFALL TRIGGER TIER 2 REQUIREMENTS.
• TIER 3: HAS YOUR FACILITY HAD 4 OR MORE BENCHMARK EXCEEDANCES FOR THE SAME PARAMETER AT ANYONE OUTFALL? YES ❑ NO
IF YES, HAVE YOU CONTACTED THE DEMLR REGIONAL OFFICE AS REQUIRED BYTHE PERMIT? YES ❑ NO ❑
REGIONAL OFFICE CONTACT NAME:
Mall an original and one copy of this DMR, including oil No Discharge" reports within 30 days of receipt of the lab results /ar at end of monitoring Period
in the case of "No Discharge" reports) to:
Division of Water Resources
Attn: DWR 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 resp le for gathering the Information, the information submitted Is, to the best of my knowledge and belief, true, accurate, and complete. I
am a re t t ther,"fe nig ant penalties for submitting false information, Including the possibility of flnes and imprisonment for knowing violations."
(Date)
Date: 08/01/2019-05/31 20Y4 SWU-252, last revised 09/04/2019
C Page 2 of 2