NCG210078_DMR_20220727

STORMWATER DISCHARGE OUTFALL (SDO)
ANNUAL SUMMARY DATA MONITORING REPORT (DMR) / SPPP Annual Update DATA REVIEW FORM
Calendar Year 2,022
Individual NPDES Permit No. NCS❑❑❑❑❑❑ or
Certificate of Coverage (COC) No. NCG0000®®
This monitoring report summary of the calendar year should be kept on rile on -site with the facility SPPP. RECEIVED
Facility Name: West Fraser - Seaboard Lumber Mill AUG 4 1 2022
County: Northampton CE Rf'.L FILES
Phone Number: [phone] Total no. of SDOs monitored 3 O1�11� SECTION
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 ❑
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 Sampling criteria not met ❑
Was this SDO monitored because of vehicle maintenance activities? Yes ❑ No
Parameter, (units)
Total
COD, mg/L
TSS, mg/L
Rainfall,
inches
Benchmark
NIA
120 mg/L
100 mg/L
Date Sample
i
Collected,
mm/dd/yy
r
07/31/21
o Discharc
-
-
08/31/21
o Discharc
-
-
09/22/21
0.35"
3180
-
10/25/21
0.101,
1460
-
11/30/21
jo Discharc
y
-
-
12/11/21
0.17"
7420
32.5
SWU-264 - Generic Annual DMR
Last revised 510212018

Additional Outfall Attachment
Outfall No. 001
Is this outfall currently in Tier 2 (monitored monthly)? Yes 0 No M
Was this outfall ever in Tier 2 (monitored monthly) during the past year? Yes ❑ No ❑
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 Sampling criteria not met 0
Was this SDO monitored because of vehicle maintenance activities? Yes ❑ No
Total
Rainfall,
inches
Parameter, (units)
COD, mg/L
TSS, mg/L
Benchmark
NIA
120 mg/L
100 mg/L
Date Sample
Collected,
rnm/dd/yy
4;
°
01/31/21
0.17"
-
-
02/28/22
o Discharc
-
-
03/31/22
0.40" V
10400
131
04/30/22
o Discharc
-
-
05/27/22
0.25"
849
-
06/30/22
o Discharc
-
-
SWU-264 - Generic Annual DMR
Last revised 5/02/2018

STORMWATER DISCHARGE OUTFALL (SDO)
ANNUAL SUMMARY DATA MONITORING REPORT (DMR) / SPPP Annual Update DATA REVIEW FORM
Calendar Year 2,022
Individual NPDES Permit No. N
Certificate of Coverage (COC) No. N
or
This monitoring report summary of the calendar year should be kept on file on -site with the facility SPPP.
Facility Name: West Fraser - Seaboard Lumber Mill
County: Northampton
Phone Number: (252 )589-8210
Total no. of SDOs monitored 3
Outfall No. 002
Is this outfall currently in Tier 2 (monitored monthly)? Yes 0 No ❑
Was this outfall ever in Tier 2 (monitored monthly) during the past year? Yes 0 No ❑
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 Sampling criteria not met Q
Was this SDO monitored because of vehicle maintenance activities? Yes ❑ No ❑■
Parameter,
(units)
COD, mg/L
TSS, mg/L
Total
Rainfall,
inches
Benchmark
N/A
120. mg/L
100 mg/L
Date Sample
Collected,
10
x
n
a,'E.a.
a
r
YYe
x. .. ^.:(x
07/31 /21
-
-
-
08/31 /21
-
-
-
09/30/21
-
-
-
10/31 /21
-
-
-
11 /30/21
-
-
-
12/11 /21
0.17"
148
62.5
SWU-264 - Generic Annual DMR
Last revised 510212018

Additional Outfall Attachment
Outfall No. 002
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 ❑
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 Sampling criteria not met Q
Was this SDO monitored because of vehicle maintenance activities? Yes ❑ No ❑■
Parameter, (units)
Total
COD, mg/L
TSS, mg/L
Rainfall,
inches
Benchmark
NIA
120 mg/L
100 mg/L
Date Sample
a
Collected,
5
mm/dd/yy'
01/31/21
o Discharc
-
-
02/28/22
o Discharc
-
-
03/31 /22
0.40"
834
362
04/30/22
o Discharc
-
-
05/27/22
0.25"
46.9
8.5
06/30/22
o Discharc
-
-
SWU-264 - Generic Annual DMR
Last revised 510212018

STORMWATER DISCHARGE OUTFALL (SDO)
ANNUAL SUMMARY DATA MONITORING REPORT (DMR) / SPPP Annual Update DATA REVIEW FORM
Calendar Year 2,022
Individual NPDES Permit No. NCS❑❑❑❑❑❑ or
Certificate of Coverage (COC) No. NCG000©®®
This monitoring report summary of the calendar year should be kept on file on -site with the facility SPPP.
Facility Name: West Fraser - Seaboard Lumber Mill
County: Northampton
Phone Number: (252 )589-8210 Total no. of SDOs monitored 3
Outfall No. 003
Is this outfall currently in Tier 2 (monitored monthly)? Yes 0 No ❑
Was this outfall ever in Tier 2 (monitored monthly) during the past year? Yes ❑■ No ❑
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 Sampling criteria not met Q
Was this SDO monitored because of vehicle maintenance activities? Yes ❑ No 0
Parameter, (units)
Total
COD, mg/L
TSS, mg/L
Non -polar O&G
Rainfall,
by EPA1664
inches
(SGT-HEM)
Benchmark
NIA
120 mg/L
100 mg/L
Date Sample
Collected,
v^
mm/dd/yy=`
. .
07/31 /21
-
-
-
-
08/31 /21
-
-
-
-
09/30/21
-
-
-
-
10/31 /21
-
-
-
-
11 /30/21
-
-
-
-
12/11/21
0.17"
50.3 mg/L
72.5 mg/L
ND
SWU-264 - Generic Annual DMR
Last revised 510212018

Additional Outfall Attachment
Outfall No. 003
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 ❑■
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 Sampling criteria not met
Was this SDO monitored because of vehicle maintenance activities? Yes ❑ No
Parameter, (units)
Total
COD; mg/L
TSS, mg/L
Non -polar O&G
Rainfall,
by EPA 1664
inches
(SGT-HEM)
Benchmark
N/A
120 mg/L
100 mg/L
15 mg/L
Date Sample
collected,
mm/dd/yy
d `
,m a
a®
01/31/21
-
-
-
-
02/28/22
-
-
-
-
03/31/22
0.40"
426 mg/L
199 mg/L
8.4 mg/L
04/30/22
o Discharc
-
-
-
05/31/22
o Discharc
-
-
-
06/30/22
o Discharc
-
-
-
SWU-264 - Generic Annual DMR
Last revised 510212018