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HomeMy WebLinkAboutNCG240019_DMR_20200407Quarterly Stormwater Discharge Monitoring Report for North Carolina Division of Water Quality General Permit No. NCG240000 Date submitted 4/7/2020 CERTIFICATE OF COVERAGE NO. NCG240019 FACILITY NAME Mecklenburg County Compost Central (new) COUNTY Mecklenburg PERSON COLLECTING SAMPLES Khaliem Adams LABORATORY: Pace Analytical Services Lab Cert. # 192 Comments on sample collection or analysis: Part A: Stormwater Benchmarks and Monitoring Results SAMPLE COLLECTION YEAR _2020 SAMPLE QUARTER ❑ Jan -March ❑ April -June ❑ July -Sept ❑ Oct -Dec or ® Monthly' March (month) DISCHARGING TO CLASS ❑ORW ❑HQW ❑Trout ❑PNA ❑Zero -flow ❑Watersupply ❑SA �r`t1f.l? ❑Other 11Ay 0 4 NN CENTRAL FILES i7WfR SECTIO&}al event rainfall 11.3 in 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 3/25/2020 1 34.5 127 6000 <0.52 1.2 0.0079 <0.0050 <0.021 6.73 t Monthly sampling (instead of quarterly) must begin with the second consecutive benchmark exceedance for the same parameter at the same outfall. '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. ' 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 Rainfall2 Check if No Flow This Period' Average New Motor Oil Usage 6-9 15 mg/L 100 mg/V - - 3/25/2020 1 6.73 <5.0 34.5 1.3 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. • TIER 3: HAS YOUR FACILITY HAD 4 OR MORE BENCHMARK EXCEEDENCES FOR THE SAME PARAMETER AT ANY ONE OUTFALL? YES 4 NO ❑ IF YES, HAVE YOU CONTACTED THE DWQ REGIONAL OFFICE? YES ® NO ❑ REGIONAL OFFICE CONTACT NAME: Teresa Bradford Mail an original and one copy of this DMR, including o11 "No_Discharae" reports, within 30 days of receipt of the lab results for at end of monitoring 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 signif ant penalties for submitting false information, including the possibility of fines and imprisonment for knowing violations." fire ormitt6e) it Do teS 10/1/2011-9/30/2016 c/ 5' _ Z C/ (Date) Last Revised 12/02/11 Page 2 of 2 I� Environmental Quality Stormwater Discharge Outfall (SDO) Qualitative Monitoring Report For guidance onfilling out this form, please visit httns://deg.nc.eov/about/divisions/enerev-mineral-land- resources/enerev-m i neral-land-hermits/stormwater-permits/nodes-industrial-swlEtab-4 Permit No.: Facility Name: I County:/ Irr r,[ Inspector: b hce I Date of Inspection: Time of Inspection: Total Event Precipitation (inches): / . M/ C70V sI/-2 L79S- All permits require qualitative monitoring to be performed during a "measurable storm event." A "measurable storm event" is a storm event that results in an actual discharge from the permitted site outfall. The previous measurable storm event must have been at least 72 hours prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter interval is representative for local storm events during the sampling period, and the permittee obtains approval from the local DEMLR Office. By this signature, I certify that this report is accurate and complete to the best of my knowledge: (Signature of Permittee or Designee) 1.OutfalDescription: O I utfall No. �_ Structure (pipe, ditch, etc.): Receiving Stream: Describe the industrial activities that occur within the outfall drainage area: f,,,tlC Page 1 of 2 SWU-242, Last modified 07/28/2017 2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint (light, medium, dark) as descriptors: MedAlm h, d c, f k. ^ Are w n 3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil, weak chlorine odor, etc.): S fl/! I �+ Q1AA r 4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is clear and 5 is very cloudy: rT\ 1 2 3 V 5 5. Floating Solids: Choose the number which best describes the amount of floating solids in the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids: 1 2 ( 3) 4 5 6. Suspended Solids: Choose the number which best describes the amount of suspended solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy: 1 2 (9 4 5 7. Is there any foam in the stormwater discharge?o Yes t/NNo. 0 8. Is there an oil sheen in the stormwater discharge? OYes �0. ! �} �0y 9. Is there evidence of erosion or deposition at the outfall? O Yes ; No. ✓ ) 10. Other Obvious Indicators of Stormwater Pollution: List and describe �p 6 &-a-r &�djCGSI V r,S Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition may be indicative of pollutant exposure. These conditions warrant further investigation. Page 2 of 2 SWU-242, Lest modified 07/28/2017