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Home My WebLink AboutNCG020010_DMR_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"P'No Discharge" and Benchmark Exceedances) from the previous calendar year to the DEQ by MARCH f of each year. Certificate of Coverage No. NCG020010 1 jp j\, ' Facility Name: Martin Marietta Materials, Inc. - Castle Hayne Quarry Re County: New Hanover Phone Number (910) 675-2283 Total no. of SD tpglttar#cL`` Certified Laboratory Pace Analytical Lab # 12 pV�IR SC�}Cl Lab # Storrnwater Discharge Outfall (SDO) No. 003 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 exceedances did not require monthly monitoring Other 1 Outfall No. ----------- Total Rainfall, inches TSS mg/I SS, mill Turbidity, NTU Upstream (U) Turbidity NTU Downstream (D) Turbidity NTU Non -polar O&G, mg/l VMA(gal/Mo.) New Motor Oil Usage Stormwater Benchmarks Indicate NO F LOW if an rice,,, Circe Benchmark 10 50 0.1 Benchmark Bencrdehmark a25110 NA Water Quality Standard applies NA Water Quality standard applies 15 >55erequi average requires TSS and Non -polar O&G monitoring Date Sample Collected, moldd/yr 6/25/2020 0.6 6A ND 5.6 12/7/202O 0.5 8.3 ND 17.6 Permit Date 10/1/2015 - 9130/2020 Last Revised 10/2/2015 Certificate of Coverage No. NCG020010 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 CFR §122.22] 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 10/1i2015 - 9/30/2020 Last Revised 101212015 ANNUAL SUMMARY DISCHARGE MONITORING REPORT (DMR) - WASTEWATER SUBMIT TO CENTRAL OFFICE* General Permit No. NCG020000 Calendar Year 2020 *Report ALL WASTEWATER monitoring data on this form (include "No RoWT'No Discharge" and Limit Violations) from the previous calendar year to the DEQ by MARCH 9 of each year. Certificate of Coverage No. NCG020010 Facility Name: Martin Marietta Materials, Inc. - Castle Hayne Quarry County: New Hanover Phone Number (910) 675-2283 Total no. of outfalls monitored 1 Certified Laboratory Pace Analytical Lab # 12 Lab # Wastewater (WW) Discharge Outfall No. 001 Is this an industrial sand mine (See 40 CFR §436 Subpart D)? Yes No X Does this outfall discharge WW to SA waters? Yes No X Does this outfall discharge WW to SIB or PNA waters? Yes No X Does this outfall discharge WW to HQW or ORW waters? Yes No X If so, what is the 7Q10 flow rate? or Tidally influenced waters, 7Q10 not available Does this outfall discharge WW to Trout (Tr) designated water: Yes No X Were there any limit violations in the calendar year? Yes No X Outfall No. 001 Daily Flow Rate, efs pH, SU TSS, mg/I SS, MIA 1applicadte Discharge Turbidity NTU Upstream (U) Turbidity NTU Downstream (D) Turbidity NTU Fecal Coliform, col/100 ml SA Effluent Limitations Mo. Ave l laity Max. HQWorORW 50%of 7Q10 Indicate NO FLOW NaPptxable Freshwater 6.0.9. saltv,eter 6,8—�.5 Industrial 25145 HOW or ORVV 20130 HOW or ORthat gnd Tr or PNA 10115 HQWorOR 5A,... PNA or any Trout 0.110.2 No Limit C1rdeWater Quality Standard applies ll 5�125110 ��/lL NA Water Quality Standards Applies NA Water Quality Standards Applies NA Date Sample Collected, molddlyr 5/4120 8.3 7.2 17.6 20.3 9/2/20 10.4 6.9 1 20.3 22.5 Permit Date 10/1/2015 - 9/30/2020 Last Revised 10/2/2015 Certificate of Coverage No. NCG020010 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, of 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 �.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 10/2/2015