NCG020857_DMR_20210401

ANNUAL SUMMARY DISCHARGE MONITORING
REPORT (DMR) — WASTEWATER
II SUBMIT TO CENTRAL OFFICE* II
General Permit No. NCG020000
Calendar Year 2020
'Report ALL WASTEWATER monitoring data on this form (include "No Flow"/"No Discharge" and Limit Violations) from
the previous calendar year to the DEQ by MARCH 1 of each year.
Certificate of Coverage No. NCG02
Facility Name: Cahoon Mine
County: Dare
Phone Number: 2( 52 ) 473-6074
Certified Laboratory Envirochem
Total no. of outfalls monitored
Lab # DWO 94
Lab # DLS 37229
1
Wastewater (WW) Discharge Outfall No. 1
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 SS or PNA waters?
Yes ❑
No ❑✓
Does this outfall discharge WW to HQW or ORW waters?
Yes ❑
No ❑✓
If so, what is the 7010 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?
Yes
❑
No
❑✓
Outfall No.
1
Daily Flow
Rate, cfs
pH,
SU
TSS,
mg/I
SS,
ml/I
Happlicable
Discharge
Turbidity,
NTU
Upstream
(U) Turbidity,
NTU
Downstream
(D) Turbidity,
NTU
Fecal
Coliform,
col/100 mI
SA
Effluent
Limitations
Mo. Awl Daily Max.
HQWorORW
50%of
7Q10
indicate NO FLOW
dapplicable
ireapwaler
6.0-9.0
°°'nn"`r
6.8-8.5
Industrial Sand
25/45
HQWorORW
20/30
HQWor ORW
and Tr or PNA
10/15
HQw.oRW,
SA, SR, PNA,
°r°"yTaa
0.1/0.2
No Limit
Water
QuaityStandard
that applies:
50/25/10
N/A
Water lis
SWndardapp.
N/A
Standardapplis
N/A
Date Sample
Collected,
mo/dd/ r
3-24-20
No Flow'
6-5-20
No Flow
9-30-20
No Flow
-771 � lllli 1
12-29-20
No Flow
Permit Date 10/1/2015 — 9/30/2020
Last Revised 10-2-2015

Certificate of Coverage No. NCG02 OE]R8 K] R7
CERTIFICATION
"I certify, 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."
[Required by 40 CFR § 122.22]
Diguly signed by Ken Elliott
IN: CWKen Elliott, 1111 Consulting,
m
Signature
KenReason:
Reason: I a est to
I attest to the accutary and integrity of this
Elliott do....
Date 4-1-21
Locatt .
Date: 20214)4-0122:44:18
Mail Annual Summary Wastewater DMR to the NCDEQ Central Office:
Note the address is correct — Central Files is housed in DWR (not DEMLR)
N.C. Department of Environmental Quality (DEQ)
Division of Water Resources
Attn: DWR Central Files
1617 Mail Service Center
Raleigh, NC 27699-1617
Central Files Telephone [phone]
Questions? Contact DEMLR Stormwater Permitting Staff in the Central Office at:
[phone]
Permit Date 10/112015 — 9/30/2020
Last Revised 10-2-2015