NCG020904_DMR_20210330

ANNUAL SUMMARY DISCHARGE MONITORING
REPORT (DMR) — WASTEWATER
SUBMIT TO CENTRAL OFFICE*
General Permit No. NCG020000
Calendar Year 2020
'Report ALL WASTEWATER monitoring data on this form (include "No Flow"i" No Discharge" and Limit Violations) from
the previous calendar year to the DEQ by MARCH 1 of each year.
Certificate of Coverage No. N0002
Facility Name: River Farms Mine
County: _ Perquimans
Phone Number: 2( 52 ) 340-2523
Certified Laboratory Envirochem
Total no. of outfalls monitored
Lab # DWQ 94
Lab # DLS 37729
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 SB or PNA waters?
Yes ❑
No ❑✓
Does this outfall discharge WW to HQW or ORW waters?
Yes ❑
No ❑✓
If so, what is the 7Q10 flow rate? or Tidally influenced waters,
7Q110 not available ❑
Does this outfall discharge WW to Trout (Tr) designated waters?
Yes ❑
No ✓❑
Were there any limit violations in the calendar year?
Yes
❑
No
❑✓
Outfall No.
Daily Flow
Rate, cfs
pH,
SU
TSS,
mg/I
SS,
ml/I
Nappbcable
Discharge
Turbidity,
NTU
Upstream
(U) Turbidity,
NTU
Downstream
(D) Turbidity,
NTU
Fecal
Coliform,
col/100 ml
SA
Effluent
Limitations
Mo. Ave l Daily Max.
HQWor ORW
50%of
7Q10
Indicate NO FLOW
ifapplicable
freshwater
6.0-9.0
sae" ter
6.8-8.5
Intlustr al Sand
26/45
HQWorORW
20/30
HQW or Day,
and Tr or PNA
10/15
HOW, ORIN,
SA, SR, PNA,
or any Trout
0.1 /0.2
No Limit
circloWater
Quality
lhpplles lal Standardtl
50126/10
N/A
Water Quality
Standard applies
NIA
Water Quality
Standard applies
N/A
Date Sample
Collected,
mo/dd/ r
3-24-20
No Flow
6-25-20
6.45
5.2
<0.1
3.8
10-1-20
6.56
<2.8
<0.1
2.0
— -
r17, El
12-29-20
7.16
4.2
<0.1
4.7
aF'I�: v
5 Zli( i
Permit Date 1011/2015 - 9/30/2020
Last Revised 10-2-2015

Certificate of Coverage No. NCG02 ®aa®
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] D10talfy sligned by Ken Elliott
IN: CN=Ken E111 ,1Etttatt Co,,,Ing,
ott
aenmkenobx tom
Re
Reason: I attest to the atxltlary and Integrity of this
Signature document
1 rrnNrorTi^rW.i`�w�xiili
Date 3-30-21 owe: 2MI-03-30 10:35:36
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 10/1/2016 — 9/30/2020
Last Revised 10-2-2015