HomeMy WebLinkAboutNCG020968_2021 DMR_20220422NCDEQ 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. NCG020968
Person Collecting Samples: Ken Elliott
Facility Name: HOM Columbia Mine
Laboratory Name: Envirochem
Facility County: Tyrrell
Laboratory Cert. No.: DWQ 94, DLS 37229
Discharge during this period: Q 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 ❑■
No
If so, which Tier (I, II, or III)?
A copy of this DMR has been uploaded electronically via htti)s://edocs.deg.nc.gov/Forms/SW-DMR A Yes ❑
No
Date Uploaded:
Analytical Monitoring Requirements for Outfalls with Industrial Activities — Monthly Average Effluent Limits in (13lue), uauy
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
06-16-2021
09-29-2021
12-14-2021
00400
pH (6.0-9.0 FW, 6.8-8.5 SW)
6.81
4.89
7.46
7.82
C0530
TSS in mg/L (25, 20, or 101) (45, 30,
Avg
Daily
394
Avg
Daily
19.2
Avg
1155
Daily
Avg
Daily
88.3
Avg
Daily
15.)
00070
Turbidity of discharge b
45.9
15.6
148
71.2
-
Turbidity downstream of discharge b
13.7
-
Turbidity upstream of discharge b
10.6
Avg
Daily
Avg
Daily
Avg
Daily
Avg
Daily
Avg
Daily
00545
Settleable Solids in mg/L (0.1), (0.2)`
10.1
31616
Fecal Coliform d
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
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
all
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
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
I 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) Outfalls to Outstanding Resource Waters (ORW) and High Quality Waters JHQW) nave a montnry Average CMUCI R uuna V1 ..is
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."
Signature of Permittee or Delegated Authorized Individual
ken@kenobx.com
Email Address
04-22-2022
Date
252-339-9021
Phone Number