NCG080057_DMR_20200304

Semi-annual Stormwater Discharge Monitoring Report
for North Carolina Division of Water Resources General Permit No. NCG080000
CERTIFICATE OF COVERAGE NO. NCGO8 0 0 5 7
FACILITY NAME GL Wilson Building Company
COUNTY Iredell
PERSON COLLECTING SAMPLES Danny Millsaps
LABORATORY Statesville Analytical Lab Cert. q 37755
Comments on sample collection or analysis:
Date submitted 3/4/2020
SAMPLE COLLECTION YEAR 2020
SAMPLE PERIOD * Jan -June ❑ July -Dec
or ❑ Monthly' (month)
�E , DWCCMNG TO CLASS ❑ORW ❑HQW ❑Trout ❑PNA
CE ❑Zero -flow [:]Watersupply [_]SA
MAR 1 1 2020 ❑Other
CENTRAL FILES PLEASE REMEMBER TO SIGN ON THE REVERSE 4
DWR SECTION
Did this facility perform Vehicle Maintenance Activities using more than 55 gallons of new motor oil per month?[] yes ✓Qno
(if yes, report your analytical results in the table immediately below)
Part A: Vehicle Maintenance Areas Monitoring Requirements (If applicable)
❑ No discharge this period'
Outfall
No.
1
Date
Sample Collected,
mo/dd/yr
00530
00400
00556
Total Suspended
Solids, mg/L
pH,
Standard units
Non -Polar Oil and Grease/TPH EPA
Method 1664 (SGT-HEM), mg/L
New Motor Oil Usage,
Annual average gal/mo
Benchmark
-
50 or 100 see permit
Within 6.0-9.0
15
2/11/2020
43.2
6.6
6.6
40 gal
Part B: Oil/water Separators and Secondary Containment Areas at Petroleum Bulk Stations and Terminals (If applicable)
Outfall
No.
Date
Sample Collected,
mo/dd/yr
00556
00530
00400
Non -Polar Oil and Grease/TPH EPA Method
1664 (SGT-HEM), mg/L
Total Suspended Solids,
mg/L
pH,
Standard units
Permit Limit
15
50 or 100 see permit
6.0-9.0
I For sampling periods with no discharge at any single outfall, you must still submit this discharge monitoring report with a checkmark here.
SWU-250 last revised April 11, 2013
Page 1 of 2

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STORM EVENT CHARACTERISTICS:
Date 2/11/2020 (first event sampled)
Total Event Precipitation (inches): 1_5
Date (list each additional event sampled this reporting period, and rainfall amount)
Total Event Precipitation (inches):
Note: If you report a sample value In excess of the benchmark, you must implement Tier 1, Tier 2, or Tier 3 responses. See General Permit text.
FOR PART AND PART B MONITORING RESULTS:
• A BENCHMARK EXCEEDANCE TRIGGERS TIER I REQUIREMENTS. SEE PERMIT PART II SECTION B.
• 2 EXCEEDANCES IN A ROW FOR THE SAME PARAMETER AT THE SAME OUTFALL TRIGGER TIER 2 REQUIREMENTS. SEE PERMIT PART II SECTION B.
• TIER 3: HAS YOUR FACILITY HAD 4 OR MORE BENCHMARK EXCEEDENCES FOR THE SAME PARAMETER AT ANYONE OUTFALL? YES ❑ NO ❑
IF YES, HAVE YOU CONTACTED THE DWQ REGIONAL OFFICE? YES ❑ NO ❑
REGIONAL OFFICE CONTACT NAME:
Mail an original and one
in the case of "No Discha
Division of Water Resources
Attn: DWR Central Files
1617 Mall Service Center
Raleigh, North Carolina 27699-1617
DMR, including all "No Discharge" reports, within 30
to:
the lab results (or at end
YOU MUST SIGN THIS CERTIFICATION FOR ANY INFORMATION REPORTED:
"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 that there are
significant penalties for submitting false information, including the possibility of fines and imprisonment for knowing violations."
3/4/2020
(Date)
Additional copies of this form may be downloaded at: http://portal.ncdenr.org/web/wq/ws/su/npdessw#tab-4
SWU-250 last revised April 11, 2013
Page 2 of 2

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