NCG190038_DMR_20201214

STORMWATER DISCHARGE OUTFALL (SDO)
ANNUAL SUMMARY DATA MONITORING RE [q
Calendar Year 2020 DFC 14 2020
General Permit No. NCG190000
Certificate of Coverage No. NCG190038
DWR SECTION
This monitoring report summary is due to the DWQ Regional Office no later than 30 days from the date
The facility receives the laboratory sampling results from the final sample of the calendar year.
Facility Name: Atlantic Marine Sales Inc
County: New Hanover
Phone Number: [phone] Total No. of SDOs Monitored 2
Outfall No. 001
Is this outfall currently in Tier 2 (monitored monthly)?
Yes _ No
Was this outfall ever in Tier 2 (monitored monthly) during the past year? Yes _ No _x_
If this outfall was in Tier 2 last year, why was monthly monitoring discontinued?
Enough consecutive samples below benchmarks to decrease frequency _
Received approval from DWQ to reduce monitoring frequency _
Outfall 001
Total
Rainfall,
inches
00630
00400
00556
01119
01104
01094
01114
TSS,
mg/L
PH,
S.U.
Oil &
Grease,
m /L
Copper,
mg/L
Aluminum,
mg/L
Zinc,
mg/L
Lead,
mg/L
Benchmark
Date Sample
Collected,
mo/dd/ r
03/27/15
N/A
1 0.31
100
11.8
6.0 - 9.0
7.56
15
<5.0
0.005
0.077
0.75
0.15
0.095
0.068
0.220
1 <0.0050
10/01/15
0.39
31.2
8.97
<5.0
0.42
0.39
0.29
<0.0050
05/18/16
0.39
2.7
8.39
2.02
0.13
<0.10
0.080
<0.0050
10/07/16
0.73
123
9.27
<5.0
0.86
0.86
0.51
0.011
08/13/17
0.68
44.1
7.94
<5.0
0.40
<0.10
1.4
<0.0050
12/27/17
0.18
21.2
7.58
<5.0
0.34
0.70
3.9
<0.0050
07/20/18
0.91
4.5
7.47
<5
0.010
0.064
0.030
<0.01
11/24/18
0.73
22.4
7.38
<5
0.042
0.678
0.199
<0.01
05/12/19
0.80
21.0
7.32
<5
0.059
0.37
0.158
<0.01
10/14/19
0.95
14.2
7.13
<5
0.012
O.OB7
0.077
<0.01
6/14/2020
0.57
12.2
7.6
<5
0.012
0.214
0.076
<0.01
11/12/2020
0.75
3.9
7.65
<5
0.130
0.073
0.052
<0.01
[Type text] [Type text] SWU-250NCGIO-092309

S. At
ice,. `..•. 061Ayv cit':• 0 t,. I Q
r 0 ACV -i• - � - -1 �l:
.✓.
_. - • •..
101 .11 �
-
- _ ta�'i .. 't_. ,l1 l 1,
a l 't,t t.. �;./ ;� 4 i:. tt• ti
.�
..» _- ' >c, ri'�_ i.. ..-
_ �� �. ��. .. � - •: i. is � ._ :��. _ '1 :a r..... � . .e\�: '. ir�-: _ 3>i.+ .. ilt•
0.. Id^,,•I. c, i. .m! .t •.,„ -' MOT . .1,.•. .. v
.
A-
3
ilk11-, t a � 1 il.,; 1Fin nvusly, 01
- .. .•
1 .', �'.):. ai �-
- - of �.. �• -
t
i, ,:
fi. rl Mn
N
i
1 . y �',� r tf
t •,I '•• i b.t L r- i -
�
`-
I > 1. 1
�.� j{r,.5 Tt ..1
S �
r rr T �
..
ti31`a•!
>. .�.i• 3 •'' .r! r4�. 1 ��Y
...'\ .. _Y._.It r ... - '..i._.,�
.. .• — y .l � _
1 ,1.. •r .. .._. ._ -.�
1 1 -
Y - Sf la i
1 \
11
_ h_t,._,��._�__s-
tf�,01,,.
..^_. _
.- \J '• � _ `_t`Li'
1 ,tom
ti i� it
N1 _ _ _: _�._. .•' _ _ _.. _ _ r _�L�
400
.
1 1
j _

Additional Outfall Attachment
Outfall No. 004
Is this outfall currently in Tier 2 (monitored monthly)? Yes _ No _x_
Was this outfall ever in Tier 2 (monitored monthly)? Yes _ No _x_
If this outfall was in Tier 2 last year, why was monthly monitoring discontinued?
Enough consecutive samples below benchmarks to decrease frequency _
Received approval from DWQ to reduce monitoring frequency
Other Expenditure does not improve water quality x
Outfall 004
Total
Rainfall,
inches
00530
00400
00556
01119
01104
01094
01114
TSS,
mg/L
pH,
S.U.
Oil &
Grease,
m /L
Copper,
mg/L
Aluminum,
mg/L
Zinc,
mg/L
Lead,
mg/L
Benchmark
Date-Samp
Collected,
mo/dd/ r
03/27/15
N/A
0.31
100
32.6
6.0 - 9.0
7.22
15
<5.0
0.005
0.35
0.75
0.37
0.095
0.22
0.220
<0.0050
10/01/15
0.39
196
7.83
<5.0
20.6
3.5
2.9
0.043
05/18/16
0.39
7.0
8.16
1.93
1.5
0.16
0.38
<0.0050
10/07/16
0.73
27.3
8.56
<5.0
2.4
0.14
0.40
<0.0050
08/13/17
0.68
6.9
7.55
<5.0
1.1
<0.10
2.4
<0.0050
12/27/17
0.18
27.1
7.23
<5.0
0.69
0.10
4.8
<0.0050
07/20/18
0.91
4.3
7.51
<5
0.087
0.042
0.057
<0.01
11/24/18
0.73
57.5
7.37
6
0.153
0.389
0.331
<0.01
05/12/19
0.80
4.3
7.34
<5
1 0.157
0.14
0.382
<0.01
10/14/19
0.95
5.6
6.60
<5
0.031
0.073
0.081
<0.01
6/14/2020
0.57
9.5
7.2
<5
0.025
0.103
0.088
<0. -1
11/12/2020
0.75
<2.5
7.71
<5
0.130
0.034
0.304
1 <0.01
[Type text] [Type text] SWU-25ONCG10-092309