NCG140218_DMR WW_20220222

ANNUAL SUMMARY DISCHARGE MONITORING
REPORT (DMR) — WASTEWATER
SUBMIT TO CENTRAL OFFICE*
General Permit No. NCG140000
Calendar Year 2021
'Report ALL WASTEWATER monitoring data on this form (Include "No Flow"/"No Discharge" and Limit Violations) from
the previous calendar year to the DEO by MARCH 1 of each year.
Certificate of Coverage No. NCG14
Facility Name: Thomas Concrete of Carolina - Durham Plant
County: c"A
Phone Number: 9( 19 )598-0456 Total no. of outfalls monitored 1
Certified Laboratory Pace Analytical Lab # 375
Lab #
Wastewater (WW) Discharge Outfall No. 001
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 HOW 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 (Tr) designated waters?
Yes ❑
No ❑✓
Were there any limit violations in the calendar year?
Yes r❑
No ❑
Outfall No.
001
Daily Flow Rate,
cfs
pH,
SU
TSS,
mgll
SS,
mill
napPDn4b
Non -Polar O&G (EPA Method 1664
(SGT-HEM)), mgll
Effluent
Limitations
Daly Maaimum
HOW or ORW
50%of7Q10
kEkah NO FLOW
applkaDb
�.h.a`a'
6.0.9.0
aaMvaler
6.6-6.5
sianeaa
30
NOW
20
NOW/M Tp or
O
PNA
10
NOw. ORW, 9A
RR,PNAa,any
Troni
5
No Limit
9ampbaaDow BenpNm
fuDiaclb Tl15 Raaomn
15
Date
Sample
Collected,
mo/dd/ r
0.38
10996
7N/A
:'F01/25/21 -
.:
N/A
04/21 - 06/21
NO FLOW
07/21 - 09/21
NO FLOW
10121 - 12/21
NO FLOW
Permit Date 8/112017 — 6/30/2022
Last Revised 8-22-2017

Certificate of Coverage No. NCG14 El©Q®
CERTIFICATION
"I certify, under penalty of law, that this document and. all attachments were prepared under my direotlon 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."
[Requlmd by 40 CFR §122.221
SI9 nature e-j �-r aw 4kDate
Mall Annual Summary Wastewater DN[R to the NCDEQ Central Office:
Note the address Is corract — Central Files Is housed in DWR (W DEMLR)
N.C. Department of Environmental Quality (DEQ)
Division of Water Resources
Attn: DWR Central Files
1617 Mail Service Center
Raleigh, NC 276994617
Central Files Telephone [phone]
Questions? Contact DEMLR Stormwater Permitting Staff in the Central Office at:
[phone]
Penult Date 8/1/2017 -- 6130/2022
Last Revised 8-22-2017