NCS000174_2021 DMR_20220422

PAGE 1 OF 3
NORTH CAROLINA DEPARTMENT OF ENVIRONMENTAL QUALITY
Form SWU-246-112608 DIVISION OF WATER QUALITY
STORMWATER DISCHARGE OUTFALL (SDO)
MONITORING REPORT
PERMIT NO. NCS000174 SAMPLES COLLECTED DURING CALENDAR YEAR: 2021
(This monitoring report shall be received by the Division no later than 30 days
from the date the facility receives the sampling results from the laboratory.)
FACILITY NAME: N.C. STATE PORTS AUTHORITY PORT OF WILMINGTON COUNTY: NEW HANOVER
PERSON COLLECTING SAMPLES: Michael D. Mason and Bill Miller - CATLIN PHONE NO, 910-452-5861
CERTIFIED LABORATORY: PACE ANALYTICAL SERVICES, INC. CERT. # 37706
00NATURE OF PERMITTEEOR DESIGNEE)
By this signature, I certify that this report is accurate
and complete to the best of my jmowledge.
PART A: Snecific Monitorina Reaulrements
Outfall
No.
Date Sample
Collected
(Molddlyr)
Biological
Total g
OxygenH
RainfallLead
(inches) Demand
(mglL)
Chemical
Oxygen
Demand
(mg1L)
Total
Suspended
Solids
(mg/L)
Total
(mg1L)
Total
Ammonia
as
Nitrogen
m !L
Nitrate+
Nitrite as
Nitrogen
(mg1L)
p
(Units)
Oil &
Grease
(mglL)
NPDES
Benchmark Values
(mg1L) 30
120
50
0.075
BA
10
6-9
15
KM N
Not sampled due to construction activities.
KM S
10/7/2021
0.03
<2.0
<12.5
7.5
<0.0045
NR
NR
7.5
NR
103
10/25/2021
0.11
8.5
101
22.0
<0.0045
NR
NR
6.9
NR
200
10/7/2021
0.03
<2.0
646
21.2
<0.0045
<0.031
0.36
7.3
NR
206
10/7/2021
0.03
<2.0
213
205
0.0076
NR
NR
7.9
<1.1
606
9/9/2021
0.33
<2.0
40.6
12.1
<0.0045
NR
NR
7.1
<1.1
1001
9/9/2021
0.33
<2,0
85.8
81.8
<0.0045
NR
NR
7.6
NR
1304
9/9/2021
0.33
<2.0
95.3
249
0.0342
NR
NR
8.2
<1.1
1704
9/9/2021
0.33
<2.0
124
132
0.005
NR
NR
7.6
NR
2006
10/7/2021
0.03
2.8
191
602
0.009
NR
NR
8.9
1.8 J
2012"
9/9/2021
0.33
<2,0
81.0
180
<0.0045
NR
NR
8.5
NR
2501
10/7/2021
0.03
<2.0
37.7
13.1
<0.0045
NR
NR
8.6
NR
J = Estimated concentration above the adjusted method detection limit and below the adjusted reporting limit
NR = Not required
Bold results indicate concentrations above NPDES established benchmark values.
< = Less than adjusted method detection limit
'Sample was collected from SDO 2011. SDO 2012 has been removed.

PAGE 2 OF 3 NORTH CAROLINA DEPARTMENT OF ENVIRONMENTAL QUALITY
Farm SWU-246-112608 DIVISION OF WATER QUALITY
STORMWATER DISCHARGE OUTFALL (SDO)
MONITORING REPORT
Does this facility perform Vehicle Maintenance Activities using more than 56 gallons of new motor oil per month? X ves no
(if yes, complete Part 13)
PART R- V¢h€ale Maintenance Activity Monitorina Requirements
Outfall No.
Date
Sample
Collected
(Molddlyr)
Total Rainfall
(inches)
Oil &
Grease
(mglL)
Total
Suspended
Solids
(mglL)
pH
(Units)
New Motor
Oil Usage
(gallmo)
206
10/7/2021
0.03
<1.1
206
7.9
>55
606
9/9/2021
0.33
<1.1
12.1
7.1
>55
1304
9/9/2021
0.33
<i A
249
8.2
>55
2006
10/7/2021
0.03
1.8 J
602
8.9
>55
< = Less than adjusted method detection limit
J = Estimated concentration above the adjusted method detection limit and below the adjusted reporting limit
Bold results indicate concentrations above NPnES established benchmark values.

PAGE 3 OF 3 NORTH CAROLINA DEPARTMENT OF ENVIRONMENTAL QUALITY
Form SWU-246-112606 DIVISION OF WATER QUALITY
STORMINATER DISCHARGE OUTFALL (SDO)
MONITORING REPORT
STORM EVENT CHARACTERISTICS:
Date; 9/9/2021 Mail original and one copy to:
Attn: Central Files
Total Event Precipitation (inches): 0.33 NCDEQ
Division of Water Quality
Event Duration (hours): 4 1617 Mail Service Road
Raleigh, NC 27699-1617
(if more than one storm event was sampled)
Date: 10/7/2021
Total Event Precipitation (inches): 0.03
Event Duration (hours): S
Date: 10/25/2021
Total Event Precipitation (Inches): 0.11
Event Duration (hours): 4
"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 responsible for fhering the information, the information submitted is, to the best of my
knowledge and belief, true, accurate, and complete. I am a,ar, ere are significant penalties for submitting false information, including the
possibility of fines and imprisonment for knowing violations:'
"���� (Signature of permittee)(Date)