NCG190078_2022 DMR_20220418

Resource
Management
RMAAssociates
SENT VIA FEDERAL EXPRESS DELIVERY ON THIS DATE
April 18, 2022
DEQ Washington Regional Office
Attn: DEMLR Stormwater Program
943 Washington Square Mall
Washington, NC 27889
888-RMA-0230
[e-mail]
www.rmagreen.com
Re: Discharge Monitoring Reports for Monitoring Period 1/1/2022 to 3/31/2022
Zimmerman Marine Inc. — Oriental Marina — Permit No. NCG190078
To Whom it May Concern:
On behalf of Zimmerman Marine Inc. — Oriental Marina, please find enclosed completed DMR(s)
for the monitoring period identified above.
The facility identified herein had an exceedance(s) from the following outfall(s) for the following
parameter(s) from the stormwater sample(s) obtained on 3/4/2022 and 3/24/2022:
• SDO001:
o Total Suspended Solids (60 mg/L)
o Total Aluminum (1.3 mg/L)
o Total Copper (0.23 mg/L)
• SDO002:
o Total Suspended Solids (68.5 mg/L)
o Total Aluminum (4.4 mg/I-.)
o Total Copper (0.51 mg/L)
a Total Zinc (0.14 mg/L)
• SD0003:
o Total Aluminum (0.34 mg/L)
o Total Copper (2.9 mg/L)
o Total Zinc (0.48 mg/L)
In response to the exceedance(s) identified above, the facility herein shall implement the Tier I
Required Responses/Actions outlined in the NCG190000 General Permit.
Environmental Compliance & Due Diligence Services

Should you have any questions, please do not hesitate to contact me.
Sincerely,
4, rL,
Christopher Ruhlin
Environmental Consultant
CWR/cr
Encls.
PC: Steve Zimmerman, Zimmerman Marine Inc. (w/encls., via email)
David Cronin, Zimmerman Marine Inc. (w/encls., via email)
Re: Discharge Monitoring Reports for Monitoring Period 1/1/2022 to 3/31/2022
Zimmerman Marine Inc. — Oriental Marina — Permit No. NCGIS0078
Page 2 of 2

NCDEQ Division of Energy, Mineral and land Resources
Stormwater Discharge Monitoring Report (DMR) Form for NCGI90000
Marinas and Shipbuilding
Click here for instructions
Complete, sign, scan and submit the DMR vita the Stormwater NPDES Kermit Data Monitorin Re art DMF� Upload form within
30 days of receiving sampling results. Mail the original, signed hard copy of the DMR to the appropriate DFMl-R Regional office.
Certificate of Coverage No. NCG19 p -;Zb
Person Collecting Samples: AVl GP_ONIN
Facility Name;-&lL4iM iZ.A1411/ /Y1AM11V& Swcl
LaboratoryName:Pam
."-c!�ke4I CrviLG
Facility County; /41-1 Lt?
Laboratory Cert. No.: qp
Discharge during this period:
I Yes 0 No (if no, skip to signature and date)
Has your facillty implemented mandatory Tier response actions this sample period for any benchmark exceedances? Oyes [:] NO
If so, which Tier(], II, or Ill)? &r-
A copy of this DMR has been uploaded e]ectronically via https;//edocs.deci.nc.gov/Foi,ms/SW-DMR Yes Q No
Date Uploaded:
Analytical Monitoring Requirements for Outfalls with Industrial Activities — Benchmarks in (Red)
Parameter
Code
Parameter
Outfall
Outfall Z
Outfall 3
Outfall
Outfall
N/A
Receiving stream Class�j
' Raw
si4' 12W
N/A
Date Sample Collected MM/DD/YYYY
d3 Z,-f 7X.
? � Zia
03 L
L
46529
24-Hour Rainfall In inches
C0530
TSS in mg/L (100 or Sp*)
6g, S
Z
NCOIL
Estimated New Motor/Hydrau4c Oil
usage in gal/month
�IV
Z4C,>
Z-C2
00340
Chemical Oxygen Demand in mg/L (120)
�, Z
,
004DO
pH in standard units (6.0 — 9.0 FW, 6.8 —
��jj
0,0
7-1
8.5 SW)
443.0
p1105
Aluminum, total recoverable in mg/ L
4
1.3
(J �/
19,3 -
(0.75 FW, 0.74SW)
r, +
01119
Copper, total recoverable in mg/L
(0,010 FW, 0.005 SW)
0,
01051
Lead, total recoverable (as Pb) in mg/ L
0.00 '�LY
ram. 0 Zi/
0►0 3G
tLp.w5i FW, 0.22 5Wl
01094
Zinc, total recoverable in mg/L (0.126
0, O y--z—
0, I L/
0+ L/45
_
FW, 0.095 5W)
Additional parameters for outfalls in drainage areas that use >55 galions per month of new hydraulic oil an average
00552
Nan Polar Oil & Grease in mg/L (15)
/ / /'
*Outfalls to Outstanding Resource Waters (QRW), 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 (ciptional):
"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 forgathering 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 inforrnaVon, in�luding the possibility of fines and imprisonment for knowing violations."
Sigr(Ore of Permittee GeUelegated Authorized individual
Email Address
y ,f� zz_
Date
25-;�_,;I�o._i18o
Phone Number
r�

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 5tonriwater 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 p -,1
Person Collecting Samples: bAvlb LI4Qf1/1, ✓
Facility Name: I/44ZJ;/ =WC.
Laboratory Name: Pau- AoS y kc- l 6-%wce
Facility County; IVU-► t (2
Laboratory Cert. No.: �Q
Discharge during this period: 19
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? ERyes E]No
if so, which Tier(], 11, or ill)? =
A copy of this DMR has been uploaded electronically via https://edocs.deg.nc.gov/Forms/SW-DMR Yes 0 No
Date Uploaded: ii Z
Analytical Monitoring Requirements for Outfails with Industrial Activities — Benchmarks in (Red)
Parameter
Code
Parameter
Outfail
Outfall —?_
Outfall 3
Outfall
Outfall
N/A
Receiving Stream Class
Si4' W
SA' Raw
N/A
Date Sample Collected MM/DD/YYYY
D3 ,n�Zd
Z
z
46529
24-Hour Rainfall in inches
�)
b. tp
,
C0530
TSS in mg/L (100 or 50*)
Q
s
Z
KUL
Estimated New Motor/Hydraulic Oil
ZA.�-
ZA
Z.Q7
usage in gal/month
00340
Chemical oxygen Demand in mg/L (12o)
,
00400
pH in standard units (6.0 —9.0 FIN, 6.8
�'.
8.5 SW)
01105
Aluminum, total recoverable in mg/ L
44
l t 3
q, 'l
0, 3
(0.75 FW, 0.24 SW)
01119
Copper, total recoverable In mg/L
0, Z3
(0.010 FW, 0.006 SW)
01051
Lead, total recoverable (as Pb) in mg/ L
+v./yD I-q
0- 0 ML/
O 0 3G
(0 075 FW, 0.22 FW)
01094
Zinc, total recoverable in mg/L (0.126
0, y�
a, 1 L/
FW, 0,095 SW)
Additional parameters for outfalls in drainage areas that use s55 gallons per month of new hydraulic oil on average
00552
Non -Polar Oil & Grease in rng/L (15)
#outfalls to Outstanding Resource Waters (ORM), Nigh Quallty Waters (HOW), Trout Waters (Tr) and Primary Nursery Areas (PNA)
have a benchmark TS5 limit of 50 mg/L. 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, orthose 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 informao6n, inr,INding the possibility of fines and imprisonment for knowing violations."
5ign(g6re of Permits o+�-L§elegated Authorized Individual
Email Address
` Z,O Z Z-
Date
Phone Number
L