HomeMy WebLinkAboutNCG020204_2022 DMR_20220719 (2)NCDEQ 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 (DMRj 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. NCG02 0204
Person Collecting Samples: James Izzell
Facility Name: Hanson Aggregates - Lexington Quarry
Laboratory Name: Pace Analytical Services, LLC
Facility County: Davidson
Laboratory Cert. No.: NCWW # 633
Discharge during this period:
El
Yes
El
No (if no, skip to signature and date)
Has your facility implemented mandatory Tier response actions this sample period for any benchmark exceedances? Yes allo
If so, which Tier (I, II, or III)?
A copy of this DMR has been uploaded electronically via https:/ledocs.deg.nc.gov/FormsZSW-DMR Lj Yes No
Date Uploaded: July 19, 2022
Analytical Monitoring Requirements for Outfalls with Industrial Activities — Monthly Average Effluent Limits in (Blue), Daily
Maximum Effluent Limits in (Red)
Parameter
Code
Parameter
Outfall WDO-1
Outfall
Outfall
Outfall
Outfall
N/A
Receiving Stream Class
WS-V, B
N/A
Date Sample Collected MM/DD/YYYY
00400
pH (6.0-9.0 FW, 6.8-8.5 SW)
C0530
TSS in mg/L (25, 20, or 10 a) (45, 30,
Avg
Daily
Avg I Daily
Avg
Daily
Avg
Daily
Avg
Daily
15.)
00070
Turbidity of discharge e
-
Turbidity downstream of discharge
-
Turbidity upstream of discharge
00545
Settleable Solids in mg/L (0.1), (0.2)°
Avg
Daily
Avg
Daily
Avg
Daily
Avg Daily
Avg
Daily
31616
Fecal Coliform
61211
Enterococcus
-
Daily Flow Rate in cfs (50%of 7Q10)
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)
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 I
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)
01002
Arsenic, total in mg/L (0.15 FW, 0.069
Avg
Daily
Avg
Daily
Avg
Daily
Avg
Daily
Avg
Daily
SW) (0.15 FW, 0.069 SW)
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 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
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
Additional parameters for Lithium Ore Mines
Aluminum, total in mg/L (0.30 FW,
Avg
Daily
Avg
Daily
Avg
Daily
Avg Daily
Avg I 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
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--F Daily
00951
Chromium III in mg/L (0.117 FW, n/a
Avg
Daily
Avg
Daily
Avg
Daily
Avg
Daily
Avg
Daily
CO0334
SW) (0.905 FW, n/a SW)
Alpha, Gross Particle Activity
Avg
Daily
Avg
Daily
Avg
Daily
Avg
Daily
Avg
Daily
39344
Outfalls 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) (Saltwater)
Notes (optional): Greenfield site; quarrying has never started; no mine dewatering has occurred. Dormant Status request submitted to DEMLR on 9/29/21.
"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."
o�oA l
July 19, 2022
Permittee or Deleea Authorized Individual Date
Jack. Garvey@lehighhanson.com
Email Address
(919)380-2746
Phone Number