NCG190123_2022 DMR_20220711

Resource 888-RMA-0230
Management [e-mail]
RMAAssociates www,rmagreen.com
SENT VIA FEDEX DELIVERY ON ►HIS DATE
July 11, 2022
DEG Wilmington Regional Office
Attn: DEMLR Stormwater Program
127 Cardinal Drive Ext.
Wilmington, NC 28405
Re: Discharge Monitoring Reports for Monitoring Period 4/1/2022 to 6/30/2022
Zimmerman Marine Inc. — Holden Beach Marina — Permit No. NCG190123
To Whom it May Concern:
On behalf of Zimmerman Marine Inc. — Holden Beach Marina, please find enclosed completed
DMR(s) for the monitoring period identified above.
Should you have any questions, please do not hesitate to contact me.
Sincerely,
Christopher Ruhlin
Environmental Consultant
CWR/cr
Encls.
PC: Steve Zimmerman, Zimmerman Marine Inc. (w/encls., via email)
Nick Steele, Zimmerman Marine Inc. (w/encls., via email)
Environmentol Compliance & Due Diligence Services

NCDEQ Division of Energy, Mineral and land Resources
Storrt-iwafer Discharge Monitoring Report (DM€f) Forni for NCG190000
Marinas and Shipbuilding
Click here for instructions
Complete, sign, scan and submit the DMR via the Stormwater NPDES Permit Data Monitoring Rcoort (DMR) Upload form within
30 days of receiving sampling results. Mal the original, signed hard copy of the DMR to the 2ppros7riate DEMI R Regional Office.
Certificate of Coverage No. NCG19 0123
Person Collecting Samples: Nick Steele
Facility Name: Zimmerman Marine Inc.
Laboratory Name: Pace Analyitcal Services LLC
Facility County: Brunswick
Laboratory Cert, No.: 12; 40; 633
Discharge during this period:
Yes No (if no, skip to signature and date)
Has your facility implemented mandatory T'er response actions this sample period for any benchmark exceedances7 Yes No
if so, which Tier (I, 11, or 111)?
A copy of this DMR has been uploaded electronically via htt s: Ledocs.degnc.qoyLFori-ns/SW-DMfj Yes 0No
Date Uploaded: { " ZpZ-C_
Analytical Monitoring Requirements for outfalls with Industrial Activities — Benchmarks in (Red)
Parameter
parameter
Outfall SDO 1
Outfall
Outfall
Outfall
Outfall�
Code
N/A
Receiving Stream Class
SA; HOW
_
N/A
Date Sample Collected MM/DD/YYYY
46529
24-Hour Rainfall in Inches
_ yf—_—
C0530
TS5 in mg/L (100 or 50':)
—
NCOIL
Estimated New Motor/Hydraulic Oil
usage in gal/month
00340
Chemical Oxygen Demand in mg/L (120)
00400
pH In standard units (6.0 -- 9.0 FW, 6.8 -
8.5 sw)
Aluminum, total recoverable in mg/ L
01105
(0.75 FW, 0.24 SW)
Copper, total recoverable in mg/L
01119
(0.010 FW, 0.006 SW)
_
Lead, total recoverable (as Pb) in mg/ L
01051
0.075 FW, 0.22 SW
Zinc, total recoverable in mgfL (0.126
01094
FW, 0.095 5W)
_
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)
'Outfalls to Outstanding Resource Waters (ORW), High Quality Waters (HQW), Trout Waters (Tr) and Primary Nursery Areas (PNA)
have a benchmark TSS Ilmit of 50 mg/L. All other water classifications have a benchmark of 100 mg/L
FW (Freshwater) SW (Saltwater)
Notes(opt#oval):
"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 t e best of my knowledge and belief, true, accurate, and complete. I am aware that there are significant penalties for submitting
false informian including the possibility of fines and imprisonment for knowing violations."
Signature of Permittee or Delegated Authorized individual
[e-mail]
Email Address
-7 j - -z 2
Date
970-842-5488
Phone Number

NCDEQ Division of Energy, Mineral and Land Resources
5tormwater Discharge Monitoring Report (DMR) Form fur NCGI90000
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 DFMI.R Regional Office.
Certificate of Coverage No. NCG19 0123
Person Collecting Samples: Nick Steele
Facility Name: Zimmerman Marine Inc.
Laboratory Name: Pace Analyltcal Services LLC
Facility County: Brunswick
Laboratory Cert, No.. 12; 40; 633
Discharge during this period: Yes No (if no, skip to signature and date)
Has your facility implemented mapoa ory Tier response actions this sample period for any benchmark exceedances7 Yes No
If so, which Tier (1, II, or ill)?
A copy of this DMR has been uploaded electronically via https:fj_gdo Y4deg nc.,gov Forms SW-DMR Yes No
Date uploaded: 7 I1 -z z
Analytical Monitoring Requirements for Outfalls with Industrial Activities - Benchmarks in (iced)
Parameter
Parameter
Outfall SDO 1
Outfall
Outfall
Outfall
outfall
Code
N/A
Aecelving Stream Class
SA, HQW
N/A
pate Sample Collected MM/DD/YYYY
46529
24-Hour Rainfall In inches
C0530
TSS in mg/L (100 or 501)
NCOIL
Estimated New Motor/Hydraulic Oil
usage in gal/month
_
00340
Chemical Oxygen Demand in mg/L (120)
00400
pH In standard units (6.0 — 9.0 FW, 6.8 —
5.5 SW)
01105
Aluminum, total recoverable in mg/ L
(0.75 FW, 0.24 SW)
Copper, total recoverable In mg/L
_
01119
(0.010 FW, 0.006 SW)
01051
Lead, total recoverable (as Pb) in mg/ L
10.075 FW, 0.22 SW
01094
Zinc, total recoverable in mg/L (0.126
_
FW, 0.095 Sw)
Additional parameters for outfalls in drainage areas thal use >55 gallons per month of new hydraulic oil on average
00552 Non -Polar Oil & Grease in mg/L (15)
*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
FW (Freshwater) 5W (Saltwater)
Notes (optional):
"1 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 an 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 t e best of my knowledge and belief, true, accurate, and complete. I am aware that there are significant penalties for submitting
false infarmion including the possibility of fines and imprisonment for knowing violations."
Ittee or Delegated Authorized Individual
[e-mail]
Email Address
-)-5 -z'Z_
Date
970-842-5488
Phone Number