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HomeMy WebLinkAboutNCG210355_DMR_20210719Semi-annual Stormwater Discharge Monitoring Report for North Carolina DEMLR General Permit No. NCG210000 Date submitted 7/19/2021 CERTIFICATE OF COVERAGE NO. NCG21355 FACILITY NAME Louisiana-Pacific, Roaring River COUNTY Wilkes PERSON COLLECTING SAMPLES lames Boles LABORATORY LP Lab Cert. It 145 Comments on sample collection or analysis: SAMPLE COLLECTION YEAR 2021 SAMPLE PERIOD ❑ Jan -June ❑ July -Dec or ❑ Monthly' June (month) DISCHARGING TO CLASS ❑ORW ❑HQW ❑Trout ❑PNA RECEIVED ❑Zero -flow ❑Water Supply ❑SA JUL 2 6 2021 ®Other: Yadkin River Class C CENTRAL FILES PLEASE REMEMBER TO SIGN ON THE REVERSE 4 DV/R SECTION Part A: Stormwater Benchmarks and Monitoring Results (Monitoring is required only if the facility stores exposed accumulations of sawdust, wood chips, bark, mulch, or other similar material on site for longer than seven (7) days.) ❑ No discharge this period?' Outfall No. Date Sample Collected' (mo/dd/yr) 24-hour rainfall amount, Inches; Chemical Oxygen Demand Total Suspended Solids Benchmarks =__> - - 120 mg/L 100 mg/L or 50 mg/L4 001 6/2/2021 0.29 48 mg/L 31 mg/L 002 6/2/2021 0.29 152 mg/L 88 mg/L 003 6/2/2021 0.29 97 mg/L 42 mg/L ' Monthly sampling (instead of semi-annual) must begin with the second consecutive benchmark exceedance for the same parameter at the same outfall. z For sampling periods with no discharge at any single outfall, you must still submit this discharge monitoring report with a checkmark here. 'The total precipitation must be recorded using data from an on -site rain gauge. Unattended sites may be eligible for a waiver of the rain gauge requirement. 4 See General Permit text, Table 3, identifying the especially sensitive receiving water classifications where the more protective benchmark applies. Note: Results must be reported in numerical format. For example, do not report Below Detection Limit, BDL, <PQL, Non -detect, ND, or other similar non - numerical format. When results are below the applicable limits, they must be reported in the format, "<XX mg/L", where XX is the numerical value of the detection limit, reporting limit, etc. in mg/L. 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. Part B: Vehicle Maintenance Area Monitoring Results: only for facilities averaging > 55 gal of new oil per month. Permit Date: 8/1/2013-7/31/2018 SWU-245, last revised 7/31/2013 Page 1 of 2 ❑ No discharge this period?' Outfall No. Date Sample Collected' (mo/dd/yr) 24-hour rainfall amount, Inches' Non -polar O&G by EPA 1664 (SGT-HEM) Total Suspended Solids Benchmarks =__> - - 15 mg/L 100 mg/L or 50 mg/0 Footnotes from Part A also apply to this Part B 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 A AND PART B MONITORING RESULTS: • A BENCHMARK EXCEEDANCE TRIGGERS TIER 1 REQUIREMENTS. SEE PERMIT PART 11 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 ANY ONE OUTFALL? YES ® NO ❑ IF YES, HAVE YOU CONTACTED THE DEMLR REGIONAL OFFICE? YES ® NO ❑ REGIONAL OFFICE CONTACT NAME: Mail an original and one coov of this DMR, including all "No Discharge" reports, within 30_days of receipt of the lab results for at end of monitorin"eriad in the case of "No Discharge" reports) to: Division of Water Quality Attn: DWQ Central Files 1617 Mail Service Center Raleigh, North Carolina 27699-1617 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." (Signature of Permittee) Permit Date:8/1/2013-7/31/2018 (Date)7/19/2021 SWU-245, last revised 7/31/2013 Page 2 of 2