NCG140001_DMR WW_20230125

ANNUAL SUMMARY DISCHARGE MONITORING
REPORT (DMR) — WASTEWATER
SUBMIT TO CENTRAL OFFICE*
General Permit No. NCG140000
Calendar Year 2022
*Report ALL WASTEWATER monitoring data on this form (include "No Flow'T'No Discharge" and Limit Violations) from
the previous calendar year to the DEQ by MARCH 1 of each year.
Certificate of Coverage No. NCG14
Facility Name: Thomas Concrete of Carolina - Raleigh Plant
County: Wake
Phone Number: (919 ) 828-4403
Certified Laboratory Pace Analytical
Lab # 375
Lab #
Total no. of outfalls monitored 1
Wastewater (WW) Discharge Outfall No. 001
Does this outfall discharge WW to SA waters? Yes ❑ No 0
Does this outfall discharge WW to SIB or PNA waters? Yes ❑ No 0
Does this outfall discharge WW to HQW or ORW waters? Yes ❑ No El
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 E]
Were there any limit violations in the calendar year? Yes 2] No ❑
Outfall No.
001
Daily Flow Rate,
cfs
pH,
SU
TSS,
mg/I
SS,
ml/I
if applicable
Non -Polar O&G (EPA Method 1664
(SGT-HEM)), mg/I
Effluent
Limitations
Daily Maximum
HQW or ORW
50% of 7Q10
Indicate NO FLOW d
applicable
freshwater
6.0-9.0
saltwater
—
6 p.5
O 8
Standard
30
HQW
20
HQW I ORNand Tr, or
PA
10
HQW, ORW, SA,
SB,PNA,orany
Trout
5
No Limit
Samples above Benchmark
subject to Tiered Responses
15
Date
Sample
Collected,
mo/dd/ r
03/25/22
0.06
8.78
70.4
-
06/30/22
0.06
8.89
68.8
9/22/22
0.06
6.70
<2.5
-
12/29/22
0.06
7.83
73.5
<1.20
._ __
C ,T _ -
DWR SEA' W
Permit Date 8/1/2017 - 6/30/2022
Last Revised 8-22-2017

Certificate of Coverage No. NCG 14 FLIOQ 0❑ 1❑
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 §122.221
Sign,c
Date
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 8/1/2017 — 6/30/2022
Last Revised 8-22-2017