NCS000174_2022 DMR_20221110

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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: 2022
(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:Corey FUtrallMike Mason-CATLIN PHONE NO. 910-452-5861
CERTIFIED LABORATORY:PACE ANALYTICAL SERVICES INC CERT.#37706
(SIGNATURE OF PERMITTEE OR DESIGNEE)
By this signature,I certify that this report is accurate
and complete to the best of my knowledge.
PART A: Specific Monitoring Requirements
Biological Chemical Total TO�I Nitrate
Date Sample Total g Total Ammonia Oil&
Outfall Collected Rainfall Oxygen Oxygen Suspended L Solidsead as Nitrite as pH Grease
No. (Mo/tldlyr) (Inches) (mg/L)Demand (mg/L)tl (mg/L) (ri Nitrogen Nitrogen (Units) (mglL)
m /l- (mg/L)
NPDES Benchmark Values(mg/L) 30 120 50 0.075 8.4 10 6-9 15
KM N 10/13/2022 0.36 4.9 162 13.7 0.0011 NR NR 7.6 NR
KM S 10/13/2022 0.36 2.7 69.9 12.2 0.0012 NR NR 7.5 NR
103 10/13/2022 0.36 16.6 197 77.0 0.025 NR NR 7.3 NR
200 10/13/2022 0.36 <2.0 662 8.1 0.00055 J 0.096 J 0.44 7.3 NR
206 10/13/2022 0.36 14.5 118 92.0 0.648 NR NR 7.8 <11.1
606 10/13/2022 0.36 4.7 23.7 J <2.6 0.0112 NR NR 7.2 <1.1
1001 10/13/2022 0.36 7.9 53.8 29.6 0.0425 NR NR 7.4 NR �I
1304 10/13/2022 0.36 12.2 44.5 6.7 0.0066 NR NR 7.2 1.8 J
1704 10/13/2022 0.36 4.6 60.7 43.8 0.0039 NR NR 7.2 NR
2006 10/13/2022 0.36 3.3 33.0 15.2 0.0022 NR NR 7.1 1.2 J
2012 10/13/2022 0.36 2.5 <12.5 <2.5 0.0047 NR NR 7.1 NR j
2501 10/13/2022 0.36 2.5 220 9.8 0.0016 NR NR 7.2 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. 7
<=Less than adjusted method detection limit
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PAGE 2 OF 3 NORTH CAROLINA DEPARTMENT OF ENVIRONMENTAL QUALITY
Form SWU-246-112608 DIVISION OF WATER QUALITY
STORMWATER DISCHARGE OUTFALL(SDO)
MONITORING REPORT ,
Does this facility perform Vehicle Maintenance Activities using more than 65 gallons of new motor oil per month? X as no
(If yes,complete Part B)
PART B: Vehicle Maintenance Activity Monitoring Requirements
Outfall No. Date Total Rainfall oil B Total pH New Motor
Sample Grease Suspended Oil Usage
Collected (Inches) Solids (Units) (gallmo)
(Moldd/yr) (mglL) (int
206 10/13/2022 0.36 <1.1 92.0 7.8 >55
606 10/13/2022 0.36 <1.1 <2.6 7.2 >55 {
1304 10/13/2022 0.36 1.8 J 6.7 7.2 >55
2006 10/13/2022 0.36 1.2 J 15.2 7.1 >55 {
- Less ted ammo method detectionad limit j
J=Estimated concentration above the above
NPd method detection limit and below the adjusted reporting limit
Bold results indicate concentrations above NPOES established benchmark values.
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PAGE 3 OF 3 NORTH CAROLINA DEPARTMENT OF ENVIRONMENTAL QUALITY
Form SWU-246-112608 DIVISION OF WATER QUALITY
STORMWATER DISCHARGE OUTFALL(SDO)
MONITORING REPORT
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STORM EVENT CHARACTERISTICS:
Date:10/13/2022 Mail original and one copy to:
Attn: Central Files
Total Event Precipitation(inches): 0.36 NCDEQ
Division of Water Quality
Event Duration(hours):6 1617 Mail Service Road
Raleigh,NC 27699-1617
(if more than one storm event was sampled)
Date:
Total Event Precipitation(inches):
Event Duration(hours):
"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 gathering the Information,the information submitted is,to the best of my
knowledge and belief,true,accurate,and complete. I am aware thaLthere are si nificant penalties for submitting false information,Including the
possibility of fines and imprisonment for knowing violations:" I <®,vev a r— (Signature of permittee)(Date)