NCG020779_DMR_20210401

ANNUAL SUMMARY DISCHARGE MONITORING
REPORT (DMR1— WASTEWATER
SUBMIT TO CENTRAL OFFICE*
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. N0002 ©7—19❑
Facility Name: Darrell Davenport Mine
County: Washington 1
Phone Number: 2( 52 )766-1134 Total no. of outfalls monitored
Certified Laboratory Envirochem Lab # DWQ 94
Lab # DLS 37229
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,
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
Q
Outfall No.
1
Daily Flow
Rate, cfs
pH,
SU
TSS,
mgll
SS,
mill
lfoppllcabre
Discharge
Turbidity,
NTU
Upstream
(U) Turbidity,
NTU
Downstream
(D) Turbidity,
NTU
Fecal
Coliform,
co[1100 ml
SA
Effluent50%
Limitations
Mo. Ave! Daily Max.
HQWorORW
of
7Q10
Indkefe NO FLOW
if applicable
Freshwater
6.0-9.0
saltwater
6.8-8.5
Industrial Sand
25145
HoworORW
20130
HQW or ORW
and Tr or PNA
1 {11 C
J
HQW,ORW,
SA, Se, PNA,
or anyTro�uft
0.110.2
No Limit
Circle Water
Quality
V
50/25/10
N/A
Waterouality
Standard applies
NIA
waterQuallty
Standard applies
NIA
Date Sample
Collected,
molddl r
3-24-20
No Flow
6-5-20
No Flow
9-30-20
No Flow
12-29-20
No Flow
of
2021
Permit Date 10/112015 — 9/30/2020
Last Revised 10-2-2015

Certificate of Coverage No. NCG02 ®7Q 7�®
CERTIFICATION
"1 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 § 122.221
D19ft* sloes hY Ken F� cd
Signature
Ken
E=katN,Km Mcown
Elliott Ian �a,�� .
Reason: I etteat to the aauracy and UstegrEry of this
Date 4-1-21
LM
0atalm' i-oa.of 23:ss:6s
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