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Home My WebLink AboutNCG020255_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 1 of each year. Certificate of Coverage No. NCG020255 Facility Name: Martin Marietta Materials, Inc. - Onslow Quarry County: Onslow Phone Number (910) 324-7430 Total no. of SOO's monitored 1 Certified Laboratory Pace Analytical Lab # 12 Lab # Stormwater Discharge Outfall (SOO) No. 001 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? RE`� E, Yes, enough consecutive samples below benchmarks to decrease frequency �D Yes, received approval from DEMLR to reduce monitoring frequency FEB 2 3 202, No, turbidity benchmark exceedances did not require monthly monitoring CENT Other PAL DWR Rr".FILES Outfall No. ----------- Total Rainfall, inches TSS mg/I SS, ml/1 Turbidity, NTU Upstream (U) Turbidity NTU Downstream (D) Turbidity NTU Non -polar O&G, mg/I VMA(gal/Mo.) New Motor Oil Usage Stormwater Benchmarks Intlicate NO FLOWir as l adle 01de Benchmark 10 50 0.1 Cirtle Benchmark `jM2�1/10 NA Watercu8"1 Slaar I artla lies NA Neater u,alny Standard ao lies 15 average requires eragerqui TSS O&G Notoring 08G monitoring Date Sample Collected, mo/dd/yr No Observed Discharge in 2020 Permit Date 10/1/2015 - 9/30/2020 Last Revised 101212015 Certificate of Coverage No. NCG020255 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 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 ANNUAL SUMMARY DISCHARGE MONITORING REPORT (DMR) - WASTEWATER II SUBMIT TO CENTRAL OFFICE* II General Permit No. NCG020000 Calendar Year 2020 *Report ALL WASTEWATER monitoring data on this form (include "No FlovJ'P'No Discharge" and Limit Violations) from the previous calendar year to the DEQ by MARCH 1 of each year. Certificate of Coverage No. NCG020255 Facility Name: Martin Marietta Materials, Inc. - Onslow Quarry County: Onslow Phone Number (910) 324-7430 Total no. of outfalls monitored 2 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 SB 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, 7010 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 Fecal Daily Flow pH, TSS, SS, Discharge Upstream Downstream Coliform, Outfall No. Rate, cfs SU mg/I mill Turbidity (U) Turbidity (D) Turbidity co11100 ml 001 (applicable NTU NTU NTU SA Effluent Limitations Mo. Ave/Daily Max. HOWor ORW 50% of 7Q10 InOioete NO FLOW nppl ama Fresnvater 6.0-9. 5a1,,xner 6.8-8.5 Industrial 25145 HOW orORW 20/30 HOW or OR and Tr or PNA 10/15 SA $B.PNA °f any Trout 0.1/0.2 No Limit Crtle Water Quality, appliesitl �25/10 `yI NA Water Oua4ty SantlartlzApp4es NA Water Quality Standards Applies NA Date Sample Collected, mo/dd/yr 5/4/2020 10.6 7.6 4.4 5.6 9/3/2020 4.1 6.9 3.1 4.3 Permit Date 10/1/2015 - 9/30/2020 Last Revised 101212015 Certificate Coverage No. NCG020255 Additional Outfall Attachment (Make copies as needed for additional outfalls) Wastewater (WW) Discharge Outfall No. 002 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 SB 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 jr) designated water: Yes No X Were there any limit violations in the calendar year? Yes No X Outfall No. ----------- Daily Flow Rate, cfs pH, SU TSS, mg/I SS, ml/I of applicable Discharge Turbidity NTU Upstream (U) Turbidity NTU Downstream (D) Turbidity NTU Fecal Coliform, col/100 ml SA Effluent Limitations Mo. Ave/Daily Max. HOWor ORW 50% of 7Q1U Indicate NO FLOW ire°pl�ele Freshwater D'9. Satwa'er 6.8-8.5 O O Indusvial 25/4 HOWorORW 20/30 HOW or ORW aryl Tr or 'NA 10/15 SA se °NW of any Trout 2 Q 1/0 q No Limit cirdeWater ouahtyStandard Nat applies 5�N25/10 NA WaterOuaruy StandardsApplres NA WaterOuriny StandansApples NA Date Sample Collected, moldd/yr 5/4/2020 10.6 7.6 5.9 5.8 9/3/2020 4.1 TO 4.1 5.9 Permit Date 10/1/2015 - 9/30/2020 Last Revised 10/22015 Certificate of Coverage No. NCG020255 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, [Required by 40 CFR §122.22] Signature Date including the possibility of fines and imprisonment for knowing violation." 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