NCG190007_2022 DMR_20220930

Sciente. Safety. Grit. ingenuity.
September 30, 2022
North Carolina Department of Environmental Quality
Washington Regional Office - Stormwater Program
Mr. Bill Moore — Environmental Engineer
943 Washington Square Mall
Washington, NC 27889
RE: NCG190007 — Discharge Monitoring Report
White River Marine Group ("WRMG) — Hatteras, New Bern, NC Facility
110 North Glenburnie Road, North Carolina, NC 25560
To Whom It May Concern,
On behalf of our client, please accept the attached Discharge Monitoring Report for the above -referenced
facility. An additional Corrective Action Report and exceedance notification has been submitted via email
on 9/29/2022.
Should you have questions or concerns, please do not hesitate to contact me at [phone] or via
email at [e-mail].
Sincerely,
Environmental Works, Inc.
Eric Brons
Project Manager
Attachments
LOCATIONS ACROSS THE CENTRAL STATES
(i e nvi ron menta ]works. corn , 877.827.9500 1455 E. Chestnut Expressway I Springfield, MO 65802

NCDEQ Division of Energy, Mineral and Land Resources
Stormwater Discharge Monitoring Report (DMR) Form for NCG190000
Marinas and Shipbuilding
Click here for instructions
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.
Certificate of Coverage No. NCG19 0007
Person Collecting Samples: Ashlee White
Facility Name: White River Marine Group - Hatteras, New Bern
Laboratory Name: Environment 1, Inc.
Facility County: Craven County
Laboratory Cert. No.: 10
Discharge during this period:
✓,
Yes
No (if no, skip to signature and date)
Has your facility implemented mandatory Tier response actions this samp le period for any benchmark exceedances? E]Yes No
If so, which Tier (I, II, or III)? Tier III
A copy of this DMR has been uploaded electronically via https:/Iedocs.deg.nc.gov/Forms/SW-DMR ✓ Yes 1:1 No
Date Uploaded: 9/30/2022
Analytical Monitoring Requirements for Outfalls with Industrial Activities — Benchmarks in (Red)
Parameter
Parameter
Outfall1
Outfall2
Outfall3
Outfall4
Outfall5
Code
N/A
Receiving Stream Class
SC;Sw,NSW
SC;Sw,NSW
SC;Sw,NSW
SC;Sw,NSW
SC;Sw,NSW
N/A
Date Sample Collected MM/DD/YYYY
08/12/2022
08/12/2022
08/12/2022
08/12/2022
08/12/2022
46529
24-Hour Rainfall in inches
0.73
0.73
0.73
0.73
0.73
C0530
TSS in mg/L (100 or 50*)
7.2
6.1
4.5
15
12
Estimated New Motor/Hydraulic Oil
NCOIL
usage in gal/month
5
00340
Chemical Oxygen Demand in mg/L (120)
Not Sampled
Not Sampled
Not Sampled
Not Sampled
Not Sampled
pH in standard units (6.0-9.0 FW, 6.8—
00400
8.5 SW)
7.76
8.59
8.45
8.17
8.06
Aluminum, total recoverable in mg/ L
01105
(0.75 FW, 0.24 SW)
0.316
0.284
0.209
0.228
0.157
Copper, total recoverable in mg/L
01119
(0.010 FW, 0.006 SW)
0.003
0.002
0.007
0.01
0.023
Lead, total recoverable (as Pb) in mg/ L
01051
(0.075 FW, 0.22 SW)
<0.002
<0.002
<0.002
<0.002
<0.002
Zinc, total recoverable in mg/L (0.126
01094
FW, 0.095 SW)
0.041
0.03
0.053
0.01
0.092
Additional parameters for outfalls in drainage areas that use >55 gallons per month of new hydraulic oil on average
00552
1 Non -Polar Oil & Grease in mg/L (15)
<5.0
<5.0
<5.0
<5.0
<5.0
*Outfalls to Outstanding Resource Waters (ORW), High Quality Waters (HQW), Trout Waters (Tr) and Primary Nursery Areas (PNA)
have a benchmark TSS limit of 50 r All other water classifications have a benchmark of 100 mg/L
FW (Freshwater) SW (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, idcLyArr possibility of fines and imprisonment for knowing violations."
Signaimfe'e—of Permittee or Delegated Authorized Individual
[e-mail] yl v; ] i dWilt 4-1 VC.- , C,.O--
Email Address
q Z /-Z a 2-2
Dat
[phone] / 87> ` `T ° `l % r SS
Phone Number

NCDEQ Division of Energy, Mineral and Land Resources
Stormwater Discharge MUFJILuring Repurt (DMR) Form for NCG190000
Marinas and Shipbuilding
Click here for instructio
Complete, sign, scan and submit the DMR via the Stormwater NPDES Permit Data Monitoring Report (I)MR) Upload form within
30 days of receiving sampling results. Mail the original, signed hard copy of the DMR to the appropriate DEMLR Regional Office.
Certificate of Coverage No. NCG19 0007
Person Collecting Samples: Ashlee White
Facility Name: White River Marine Group - Hatteras, New Bern
Laboratory Name: Environment 1, Inc.
Facility County: Craven County
Laboratory Cert. No.: 10
Discharge during this period:
✓
Yes
0
No (if no, skip to signature and date)
Has your facility implemented mandatory Tier response actions this sample period for any benchmark exceedances? Yes [:] No
If so, which Tier (I, II, or III)? Tier III
A copy of this DMR has been uploaded electronically via https://edocs.deg.nc.gov/Forms/SW-DMR ✓Yes E] No
Date Uploaded: 9/30/2022
Analytical Monitoring Requirements for Outfalls with Industrial Activities — Benchmarks in (Red)
Parameter
Parameter
Outfall6
Outfall7
Outfall8
Outfall9
Outfall
Code
N/A
Receiving Stream Class
SC;Sw,NSW
SC;Sw,NSW
SC;Sw,NSW
SC;Sw,NSW
N/A
Date Sample Collected MM/DD/YYYY
08/12/2022
08/12/2022
08/12/2022
08/12/2022
46529
24-Hour Rainfall in inches
0.73
0.73
0.73
0.73
C0530
TSS in mg/L (100 or 50*)
23
18
<2.5
<2.5
Estimated New Motor/Hydraulic Oil
NCOIL
usage in gal/month
5
00340
Chemical Oxygen Demand in mg/L (120)
Not Sampled
Not Sampled
Not Sampled
Not Sampled
pH in standard units (6.0-9.0 FW, 6.8—
00400
8.5 SW)
8.0
8.0
7.9
8.2
Aluminum, total recoverable in mg/ L
01105
(0.75 FW, 0.24 SW)
0.727
0.220
0.115
<0.1
Copper, total recoverable in mg/L
01119
(0.010 FW, 0.006 SW)
0.068
0.013
0.008
0.005
Lead, total recoverable (as Pb) in mg/ L
01051
(0.075 FW, 0.22 SW)
<0.002
<0.002
<0.002
<0.002
Zinc, total recoverable in mg/L (0.126
01094
FW, 0.095 SW)
0.146
0.179
0.023
0.185
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 (15)
<5.0
<5.0
<5.0
<5.0
Outfalls to Outstanding Resource Waters (ORW), High Quality Waters (HQW), Trout Waters (Tr) and Primary Nursery Areas (PNA)
have a benchmark TSS limit of 50 mg/L. All other water classifications have a benchmark of 100 mg/L
(Freshwater) SW (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 possibility of fines and imprisonment for knowing violations."
Signature of Permittee or Delegated Authorized Individual Date
[e-mail]
Email Address
[phone]
Phone Number