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HomeMy WebLinkAboutNCG020013 DMR WW 20210216ANNUAL SUMMARY DISCHARGE MONITORING REPORT (DMR) - STORMWATER SUBMIT TO CENTRAL OFFICE* General Permit No. NCG020000 Calendar Year 2020 'Report ALL STORMWATER monitoring data on this form (include "No Flow"i"'No Discharge" and Benchmark Exceedances) from the previous calendar year to the DEQ by MARCH 1 of each year. Certificate of Coverage No. NCG020013 Facility Name: Martin Marietta Materials, Inc. - Asheboro Quarry County: Randolph Phone Number (336) 672-1501 Total no. of SDO's monitored 0 Certified Laboratory Pace Analytical Lab # 12 Lab # Stormwater Discharge Outfall (SDO) No. 0 VMA Outfall? Yes No X Is this outfall currently in Tier 2 for any parameter? Yes No X Was this outfall ever in Tier 2 during the past year? Yes No X If this outfall was in Tier 2 last year, was monthly monitoring discontinued? Yes, enough consecutive samples below benchmarks to decrease frequency Yes, received approval from DEMLR to reduce monitoring frequency No, turbidity benchmark excedances did not require monthly monitoring Other Outfall No. ----------- Total Rainfall, inches TSS mg/I SS, ml/I Turbidity, NTU Upstream (U) Turbidity NTU Downstream (D) Turbidity NTU Non -polar O&G, mg/I VMA New Motor Oil Usage al/mo. Stormwater Benchmarks Intlicate NO FLOW) a IwaGle `itm BaOnd. 1U 50 0.1 alraa /Benchmark (&25/10 NA Water Oualiry Standards res NA Water Ouallty stanaaraa ras 15 .rags>55 /mo average requires TSS and Non -polar O&G monitonng Date Sample Collected, mo/dd/yr 5/26/20 1.5 28.0 ND 32.6 12/1/20 1.5 9.8 ND 8.8 CEN I I (AL FILE" =CTIORI Permit Date 10/1/2015 - 9/30/2020 Last Revised 101212015 Certificate of Coverage No. NCG020013 CERTIFICATION " 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 violation." [Required by 40 C2.22] Signature Date Mail Annual Summary Stormwater DMR to the NCDEQ Central Office: Note the address is correct— Central Files is housed in DWR (not DEMLR) N.C. Department of Environmental Quality (DEQ) Division of Water Resources Attn: DWR Central Files 1617 Mail Service Center Raleigh, NC 27699-1617 Central Files Telephone (919) 807-6300 Questions? Contact DEMLR Stormwater Permitting Staff in the Central Office at: (919) 707-9220 Permit Date 10/1 /2015 - 9/30/2020 Last Revised 101212015