NCG190018_2023 DMR_20230310

NCDEQ Division of Energy,Mineral and Land Resources
Stormwater Discharge Monitoring Report (DMR) Form for NCG190000
Marinas and Shipbuilding
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I Complete,sign,scan and submit the DMR via the Stormwater NPDES Permit Data Monitoring Report(DMR)Upload form within
30 days of receiving sampling results. Mail the original,signed hard copy of the DMR to the appropriate DEMLR Regional Office.1
Certificate of Coverage No.NCG19 0018 Person Collecting Samples:Dustin Hollis
Facility Name:Grady-White Boats, Inc. Laboratory Name:Environment1
Facility County:Pitt Laboratory Cert. No.:10
Discharge during this period:El Yes ❑No (if no,skip to signature and date)
Has your facility implemented mandatory Tier response actions this sample period for any benchmark exceedances?QYes ❑NO
If so,which Tier(l,II,or Ili)?
A copy of this DMR has been uploaded electronically via https://edocs.deq.nc.gov/Forms/SOU-DMR El yes 0 No
Date Uploaded: ,
Analytical Monitoring Requirements for Outfalls with Industrial Activities—Benchmarks in(Red)
Parameter Parameter Outfall 1 Outfall Outfall Outfall Outfall
Code
N/A Receiving Stream Class C;NSW
N/A Date Sample Collected MM/DD/YYYY 02/02/2023
46529 24-Hour Rainfall in inches 0.25
C0530 TSS in mg/L(100 or 50*) <2.5
NCOIL Estimated New Motor/Hydraulic Oil 0
usage in gal/month
00340 Chemical Oxygen Demand In mg/L(120)
00400 pH in standard units(6.0—9.0 FW,6.8— 6.8
8.5 SW)
01105 Aluminum,total recoverable in mg/I
(0.75 FW,0.24 SW) 0.100
01129 Copper,total recoverable in mg/L
(0.010 FW,0.006 SW) 0.010
Lead,total recoverable(as Pb)in mg/L.01051 (0.075 FW,0.22 SW) 'c0.005
01094 Zinc,total recoverable in mg/L 0.107
FW,0.095 SW)
Additional parameters for outfalls in drainage areas that use>55 gallons per month of new hydraulic oil on average
00552 Non-Polar Oil&Grease in mg/L
"Outfalis to Outstanding Resource Waters(ORW),High Quality Waters(HQW),Trout Waters(Tr)and Primary Nursery Areas(PNA)
have a benchmark TSS limit of .All other water classifications have a benchmark of-00 m '
(Freshwater) (Saltwater)
Notes(optional):
'I certify by my signature below,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 posQity of fines and imprisonment for knowing violations."
A.vA/ t i • 03-09-2023
Signs a of Permittee or Delegate Authorized individual Date
[e-mail] 252-752-2111
Email Address Phone Number