NCG020088_2023 DMR_20240117 (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(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. NCGO2 0088 Person Collecting Samples:Mary Ann Hoerle
Facility Name:Heidelberg Materials-Durham Quarry Laboratory Name:Pace Analytical Services,LLC
Facility County:Durham Laboratory Cert. No.:633
Discharge during this period:❑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 12
No
If so,which Tier(I, II,or III)?
A copy of this DMR has been uploaded electronically via https://edocs.dea.nc.gov/Forms/SW-DMR ['Yes
❑
No
Date Uploaded: 1 11 2
`I
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
N/A Date Sample Collected MM/DD/YYYY
00400 pH(6.0-9.0 FW,6.8-8.5 SW)
C0530 TS Sin mg/L(25,20,or 10 a)(45,30, Avg Daily Avg Daily Avg Daily Avg Daily Avg Daily
15 )
00070 Turbidity of discharge b
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)c
31616 Fecal Coliform
61211 Enterococcuse
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)
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
00900 Hardness,total
Antimony,total in mg/L(0.34 FW, Avg Daily Avg r 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)
C0034 Chromium Ill 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)
00951
Fluoride,total in mg/L(6.0)(6.0) Avg Daily Avg Daily Avg Daily Avg Daily Avg Daily
C0034 Chromium III in mg/L(0.117 FW,n/a Avg Daily Avg Daily Avg Daily Avg Daily Avg Daily
a. '0.905 FW,n/a SW) _
Additional parameters for Lithium Ore Mines
01105 Aluminum,total in mg/L(0.30 FW, Avg Daily Avg Daily Avg Daily Avg Daily Avg Daily
0.24 SW)(0.75 FW,0.24 SW)
00951 Fluoride,total in mg/L(6.0)(6.0) Avg Daily Avg Daily Avg Daily Avg Daily Avg Daily
CO034 Chromium Ill 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 ."^` Avg Daily Avg Daily Avg Daily Avg Daily Avg Daily
00951
39344 Alpha,Gross Particle Activity Avg Daily Avg Daily Avg Daily Avg Daily Avg Daily
Additional parameters for Industrial Sand Mines
00951 Fluoride,total in mg/L‘6.0)(6.0) Avg Daily Avg Daily Avg Daily Avg Daily Avg Daily
CO0334 Chromium Ill 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)
Alpha,Gross Particle Activity Avg Daily Avg Daily Avg i 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
and a Daily Maximum Effluent Limit of ^,en.Outfalls to Trout Waters(Tr)and Primary Nursery Areas(PNA)have a Monthly Average Effluent
Limit for TSS of and a Daily Maximum Effluent Limit of .Industrial Sand and Phosphate mines discharging to all other water
classification have a Monthly Average Effluent Limit for TSS of and a Daily Maximum Effluent Limit of
See H-5 of the NCG020000 General Permit for turbidity requirements.
Only outfalls to HQW,ORW,SA,SB,PNA,or Tr waters are required to monitor for Settleable Solids.
Only outfalls to SA waters are required to monitor for Fecal Coliform
Only outfalls to SA,SB,and SC waters are required to monitor for Enterococcus
(Freshwater) (Saltwater)
Notes(optional):The inactive site is used as a sales yard with washed stone hauled in from our nearby Rougemont Quarry;no mine dewatering takes place.
"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,f luding the pi,ssibility of fines and imprisonment for knowing violations."
1/17/24
Signature of Permittee or Delegated Authorized Individual Date
[e-mail]
919-357-6695
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