Loading...
HomeMy WebLinkAboutNCG240016_DMR_20201202Quarterly Stormwater Discharge Monitoring Report for North Carolina Division of Water Quality General Permit No. NCG240000 Date submitted 12/2/2020 CERTIFICATE OF COVERAGE NO. NCG240016 FACILITY NAME Mecklenburg County Compost Central COUNTY Mecklenburg County PERSON COLLECTING SAMPLES Khaliem Adams LABORATORY: Pace Analytical Services Lab Cert. # 192 Comments on sample collection or analysis: SAMPLE COLLECTION YEAR _2020 SAMPLE QUARTER ❑ Jan -March ❑ April -June ❑ July -Sept ❑ Oct -Dec or ® Monthly' November (monthl DISCHARGING TO CLASS ❑ORW ❑HQW ❑Trout ❑PNA ❑Zero -flow ❑Water Supply ❑SA ❑Other JAN 11 Part A: Stormwater Benchmarks and Monitoring Results Total event rainfall 11. 70in or ❑ No discharge this period' Date Sample Collected' (mo/dd/yr) Outfall No. TSS COD Fecal coliform Total nitrogen Total phosphorus Total copper Total lead Total zinc pH Parameter benchmarks ===> 100 mg/O 120 mg/L 1000 col./100 mL 30 mg/L 2 mg/L 0.010 mg/L 0.075 mg/L 0.126 mg/L 6-9 12/2/2020 2 20.5 73.4 6000 2.0 0.29 0.0087 <0.0050 0.015 7.80 ' Monthly sampling (instead of quarterly) must begin with the second consecutive benchmark exceedance for the same parameter at the same outfall. 2The 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. 3 For sampling periods with no discharge, you must still submit this discharge monitoring report with a checkmark here. 'The TSS benchmark value is 100 mg/L; except when discharging to ORW, HQW, Trout, and PNA waters in which case the benchmark is 50 mg/L. Permit Date:10/1/2011-9/30/2016 Last Revised 12/02/11 Page 1 of 2 Part B: Vehicle Maintenance Area Monitoring Results: only for facilities averaging > 55 gal of new motor oil/month. Date Sample Collected' (mo/dd/yr) Outfall No. pH TPH using method 1664A SGT-HEM TSS Total RainfaII2 Check if No Flow This Period' Average New Motor .Oil Usage 6-9 15 mg/L 100 mg/0 - - 12/2/2020 2 7.80 <5.0 20.5 1.70 75 gal/month Footnotes from Part A also apply to this Part B FOR PART A AND PART B MONITORING RESULTS: • A BENCHMARK EXCEEDANCE TRIGGERS TIER 1 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. 0 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 DWQ REGIONAL OFFICE? YES ® NO ❑ REGIONAL OFFICE CONTACT NAME: Teresa Bradford Mail an original and one copv of this DMR, includina all "No Discharae" reports, within 30 days of receipt of the lab results (or at end of monitorina period in the case of "No Discharae" 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." ofe of Pefifiidee) Date: 10/1/2011-9/30/2016 (Date) Last Revised 12/02/11 Page 2 of 2 Facility Name Sample Location I Sample Time I pH I Date____l Device Used to Sample Mecklenburg County Compost Central OutfaI12 1315 7.8 11/12/2020 Horiba pH Meter