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Home My WebLink AboutNCG020642_2021 DMR_20220420NCDEQ Division of Energy, Mineral and Land Resources Wastewater Discharge Monitoring Report (DMR) Form for NCG020000 Active and Inactive Mining Sites Click here for instructions Complete, sign, scan and submit the DMR via the Stormwater NPDES Permit Data Monitoring Report (DMR) Upload form within 30 days of receiving sampling results. Mail the original, signed hard copy of the DMR to the appropriate DEMLR Regional Office. Certificate of Coverage No. NCG020642 Person Collecting Samples: Ken Elliott Facility Name: Stevenson Mine #1 Laboratory Name: Envirochem Facility County: Pasquotank Laboratory Cert. No.: DWQ 94, DLS 37229 Discharge during this period: ❑■ Yes ❑ No (if no, skip to signature and date) Has your facility implemented mandatory Tier response actions this sample period for any benchmark exceedances? ❑ Yes 0 No If so, which Tier (I, II, or III)? A copy of this DMR has been uploaded electronically via https://edocs.deg.nc.gov/Forms/SW-DMR ❑■ Yes ❑ No Date Uploaded: Analytical Monitoring Requirements for Outfalls with Industrial Activities — Monthly Average Effluent Limits in (Blue), Daily Maximum Effluent Limits in (Red) Parameter Parameter Outfall Outfall Outfall Outfall Outfall Code N/A Receiving Stream Class C;Sw C;Sw C;SW C;Sw N/A Date Sample Collected MM/DD/YYYY 03-31-2021 06-17-2021 09-29-2021 12-14-2021 00400 pH (6.0-9.0 FW, 6.8-8.5 SW) 6.29 4.14 No Flow 7.55 TSS in mg/L (25, 20, or 10 a) (45, 30, Avg Daily Avg Daily Avg Daily Avg Daily Avg Daily C0530 15 a) 29.2 I 39.1 4.1 00070 Turbidity of discharge b 5.8 40.4 5.3 - Turbidity downstream of discharge b - Turbidity upstream of discharge b Avg Daily Avg Daily Avg Daily Avg Daily Avg Daily 00545 Settleable Solids in mg/L (0.1), (0.2)` <0.1 31616 Fecal Coliform d 61211 Enterococcuse - Daily Flow Rate in cfs (50% of 70,10) Additional parameters for Clay Mines Aluminum, total in mg/L (0.30 FW, Avg Daily Avg Daily Avg Daily Avg Daily Avg Daily 01105 0.24 SW) (0.75 FW, 0.24 SW) I Zinc, total (as Zn) in mg/L (0.126 FW, Avg Daily Avg Daily Avg Daily Avg Daily Avg Daily 01092 0.095 SW) (0.126 FW, 0.095 SW) Fluoride, total in mg/L (6.0) (6.0) Avg Daily Avg Daily Avg Daily Avg Daily Avg Daily 00951 00900 Hardness, total Antimony, total in mg/L (0.34 FW, Avg Daily Avg Daily Avg Daily Avg Daily Avg Daily 01097 n/a SW) (0.34 FW, n/a SW) Arsenic, total in mg/L (0.15 FW, 0.069 Avg Daily Avg Daily Avg Daily Avg Daily Avg Daily 01002 SW) (0.15 Fw, 0.069 SW) Chromium III in mg/L (0.117 FW, n/a Avg Daily Avg Daily Avg Daily Avg Daily Avg Daily C0034 SW) (0.905 FW, n/a SW) Additional parameters for Feldspar Ore Mines Aluminum, total in mg/L (0.30 Fw, Avg Daily Avg Daily Avg Daily Avg Daily Avg Daily 01105 0.24 SW) (0.75 FW, 0.24 SW) 01092 Zinc, total (as Zn) in mg/L (0.126 FW, Avg Daily Avg j Daily Avg Daily Avg Daily Avg Daily 0.095 SW) (0.126 FW, 0.095 SW) Fluoride, total in mg/L (6.0) (6.0) Avg Daily Avg Daily Avg Daily Avg Daily Avg Daily 00951 C0034 Chromium III in mg/L (0.117 FW, n/a Avg Daily Avg Daily Avg Daily Avg Daily Avg Daily SW) 0.905 FW, n/a SW) Additional parameters for Lithium Ore Mines Aluminum, total in mg/L (0.30 FW, Avg Daily Avg Daily Avg Daily Avg Daily Avg Daily 01105 0.24 SW) (0.75 FW, 0.24 SW) Fluoride, total in mg/L (6.0) (6.0) Avg Daily Avg Daily Avg Daily Avg Daily Avg Daily 00951 C0034 Chromium III in mg/L (0.117 FW, n/a Avg Daily Avg Daily Avg Daily Avg Daily Avg Daily SW) (0.905 FW, n/a SW) Additional parameters for Phosphate Mines Fluoride, total in mg/L (6.0) (6.0) Avg Daily Avg Daily Avg Daily Avg Daily Avg Daily 00951 Alpha, Gross Particle Activity Avg Daily Avg Daily Avg Daily Avg Daily Avg Daily 39344 Additional parameters for Industrial Sand Mines Fluoride, total in mg/L (6.0) (6.0) Avg Daily Avg Daily Avg Daily Avg Daily Avg Daily 00951 Chromium III in mg/L (0.117 FW, n/a Avg Daily Avg Daily Avg Daily Avg Daily Avg Daily C00334 SW) (0.905 FW, n/a SW) Alpha, Gross Particle Activity Avg Daily Avg Daily Avg Daily Avg Daily Avg Daily 39344 a) Outfalis to Outstanding Resource Waters (ORW) and High Quality Waters (HQW) have a Monthly Average Effluent Limit for TSS of 20 mg/L and a Daily Maximum Effluent Limit of 30 mg/L. Outfalls to Trout Waters (Tr) and Primary Nursery Areas (PNA) have a Monthly Average Effluent Limit for TSS of 10 mg/L and a Daily Maximum Effluent Limit of 15 mg/L. Industrial Sand and Phosphate mines discharging to all other water classification have a Monthly Average Effluent Limit for TSS of 25 mg/L and a Daily Maximum Effluent Limit of 45 mg/L. b) See H-5 of the NCG020000 General Permit for turbidity requirements. c) Only outfalls to HQW, ORW, SA, SB, PNA, or Tr waters are required to monitor for Settleable Solids. d) Only outfalls to SA waters are required to monitor for Fecal Coliform e) Only outfalls to SA, SB, and SC waters are required to monitor for Enterococcus FW (Freshwater) SW (Saltwater) Notes (optional): "I certify by my signature below, 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 violations." 04-20-2022 Signature of Permittee or Delegated Authorized Individual Date ken a@kenobx.com Email Address 252-339-9021 Phone Number