The URL can be used to link to this page

Home My WebLink AboutNCG020858_2020 DMR_20210203RAPPING AND DESIGN , SERVICES, INC. 6728 Carbonton Road Sanford, NC 27330 (919) 499-8759 February 3, 2021 DEMLF Stormwater Program 3800 Barrett Drive Raleigh, NC 27609 Reference: Stormwater Monitoring — Daurity Springs Quarry — NCG020858 41" Quarter - 2020 Dear Sir/Madam; Please find attached the above referenced project Stormwater Monitoring Package which includes the following: Stormwater Outfalls — 1,2,8 Wastewater Outfalls — 3,4 If you have any questions or comments please feel free to contact me at your earliest convenience. Sincerely, Drafting and Design Services, Inc. Michael Thomas Blakley Certificate of Coverage No. NCG02 ❑® 5❑ 8 Additional Outfall Attachment (make copies as needed for additional outfalls) Stormwater Discharge Outfall (SDO) No. 1 VMA Outfall? Yes ❑ No E] Is this outfall currently in Tier 2 for any parameter? Yes ❑ No 0 Was this outfall ever in Tier 2 during the past year? Yes ❑ No 0 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 ❑ Outfall No. 1 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 (gal/mo.) Stormwater Benchmarks Indicate NO ROWi( a licable circle Benchmark 100i50 0.1 circle Benchmark 50%25/10 N/A WaterQualityWater Standard applies N/A Quality15 Standard applies >55equi. averageerequires oring TO&G monitoring O&G monitorin Date Sample Collected, mo/dd/yr 11/17/2020 2.9 12.5 <0.10 55 N/A N/A N/A N/A Permit Date 10/1/2015 - 9/30/2020 Last Revised 10-2-2015 Certificate of Coverage No. NCG02 ❑® 5❑ 8 Additional Outfall Attachment (make copies as needed for additional outfalls) Stormwater Discharge Outfall (SDO) No. 2 VMA Outfall? Yes ❑ No E] Is this outfall currently in Tier 2 for any parameter? Yes ❑ No 0 Was this outfall ever in Tier 2 during the past year? Yes ❑ No 0 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 ❑ Outfall No. 2 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 (gal/mo.) Stormwater Benchmarks Indicate NO ROWi( a licable circle Benchmark 100i50 0.1 circle Benchmark 50i25/10 N/A WaterQualityWater Standard applies N/A Quality15 Standard applies >55equi. averageerequires TO&G monitoring O&G monitorin Date Sample Collected, mo/dd/yr 11/17/2020 2.9 23.5 <0.10 70 N/A N/A N/A N/A Permit Date 10/1/2015 - 9/30/2020 Last Revised 10-2-2015 Certificate of Coverage No. NCG02 ❑® 5❑ 8 Additional Outfall Attachment (make copies as needed for additional outfalls) Stormwater Discharge Outfall (SDO) No. 8 VMA Outfall? Yes ❑ No E] Is this outfall currently in Tier 2 for any parameter? Yes ❑ No 0 Was this outfall ever in Tier 2 during the past year? Yes ❑ No 0 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 ❑ Outfall No. 8 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 (gal/mo.) Stormwater Benchmarks Indicate NO ROWi( a licable circle Benchmark 100i50 0.1 circle Benchmark 50i25/10 N/A WaterQualityWater Standard applies N/A Quality15 Standard applies >55equi. averageerequires TO&G monitoring O&G monitorin Date Sample Collected, mo/dd/yr 11/17/2020 2.9 13.0 <0.10 70 N/A N/A N/A N/A Permit Date 10/1/2015 - 9/30/2020 Last Revised 10-2-2015 Certificate of Coverage No. NCG02 0❑®5❑® Additional Outfall Attachment (make copies as needed for additional outfalls) Wastewater (WW) Discharge Outfall No. 3 Is this an industrial sand mine (See 40 CFR §436 Subpart D)? Yes ❑ No ✓❑ Does this outfall discharge WW to SA waters? Yes ❑ No ✓❑ Does this outfall discharge WW to SB or PNA waters? Yes ❑ No ✓❑ Does this outfall discharge WW to HQW or ORW waters? Yes ❑ No ✓❑ If so, what is the 7Q10 flow rate? or Tidally influenced waters, 7Q10 not available ❑ Does this outfall discharge WW to Trout jr) designated waters? Yes ❑ No ❑✓ Were there any limit violations in the calendar year reported? Yes ❑ No ✓0 Outfall No. 3 Daily Flow Rate, cfs pH, SU TSS, mg/I SS, ml/I if applicable Discharge Turbidity, N TU Upstream (U) Turbidity, N TU Downstream (D) Turbidity, N TU Fecal Coliform, col/100 ml (SA) Effluent Limitations Mo. Ave I Daily Max. HQW or ORIN 50% of 7Q10 Indicate NO FLOW if applicable freshwater 6.0-9.0 saltwater 6.8-8.5 Industrial Sand 25/45 HQW orORIN 20/30 HQW or ORIN and Tr or PNA 10/ 15 HQW, ORW, SA, SB,PNA, or any Trout 0.1 /0.2 No Limit Circle Water Q uality that appl card 50/25/10 N/A Water Quality Standard applies N/A Water Quality Standard applies N/A Date Sample Collected, mo/dd/yr 11/14/2020 - No Discha ge - Water used for rocessing and recycled to pit Permit Date 10/1/2015 - 9/30/2020 Last Revised 10-2-2015 Certificate of Coverage No. NCG02 0❑®5❑® Additional Outfall Attachment (make copies as needed for additional outfalls) Wastewater (WW) Discharge Outfall No. 4 Is this an industrial sand mine (See 40 CFR §436 Subpart D)? Yes ❑ No ✓❑ Does this outfall discharge WW to SA waters? Yes ❑ No ✓❑ Does this outfall discharge WW to SB or PNA waters? Yes ❑ No ✓❑ Does this outfall discharge WW to HQW or ORW waters? Yes ❑ No ✓❑ If so, what is the 7Q10 flow rate? or Tidally influenced waters, 7Q10 not available ❑ Does this outfall discharge WW to Trout jr) designated waters? Yes ❑ No ❑✓ Were there any limit violations in the calendar year reported? Yes ❑ No ✓0 Outfall No. 4 Daily Flow Rate, cfs pH, SU TSS, mg/I SS, ml/I if applicable Discharge Turbidity, N TU Upstream (U) Turbidity, N TU Downstream (D) Turbidity, N TU Fecal Coliform, col/100 ml (SA) Effluent Limitations Mo. Ave I Daily Max. HQW or ORIN 50% of 7Q10 Indicate NO FLOW if applicable freshwater 6.0-9.0 saltwater 6.8-8.5 Industrial Sand 25/45 HQW orORIN 20/30 HQW or ORIN and Tr or PNA 10/ 15 HQW, ORW, SA, SB,PNA, or any Trout 0.1 /0.2 No Limit Circle Water Q uality that appl card 50/25/10 N/A Water Quality Standard applies N/A Water Quality Standard applies N/A Date Sample Collected, mo/dd/yr 11/14/2020 - No Discha ge - Water used for rocessing and recycled to pit Permit Date 10/1/2015 - 9/30/2020 Last Revised 10-2-2015