NCG140266_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 DEQ by MARCH 1 of each year.
Certificate of Coverage No. NCG14
Facility Name: Thomas Concrete of Carolina - Morrisville Plant
County: Wake
Phone Number: 9( 19 )460-5317 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 0
If so, what Is the 7Q10 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 EI No ❑
Outfall No.
001
Daily Flow Rate,
cfs
pH,
SU
TSS,
mg/I
SS,
ml/I
naPPncanrs
Non -Polar O&G (EPA Method 1664
(SGT-HEM)), mg/I
Effluent
Limitations
Oaly Maalmum
HQWor ORW
50%of7010
MJInM1NOPLOWH
aPWKapla
Inanwal.r
6.0-9.0
aliwabr
6.6$A
su.aa,e
30
HOW
20
HQWIORW andTr, or
10
NOW. ORW. sa
9e.PNA,men,
Troo,
5
No Limit
Samples EPw Benchmark
au0fad1.171 nE Rupenw
15
Date
Sample
Collected,
molddl r
x=O
NO FLOW
01/21 -03/21
06/30/21
0.08
8.07
21.8
-
N/A
09/30/21
0.08
6.58
10.4
-
N/A
12/28/21
0.08
7.26 J
254
-
N/A
Permit Date 8/1/2017 - 6130/2022
Last Revised 8-22-2017

Certificate of Coverage No. NCG14 FI0 6�©
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
Signature ,f
Date
Mall Annual Summary Wastewater DMR to the NCDEQ Central Office:
Note the address Is correct — Central Flies is housed In DWR (WQt DEMLR)
N.C. Department of Environmental Quality (DEQ)
Division of Water Resources
Attn: DWR Central Flies
1617 Mail Service Center
Raleigh, NC 27699-1617
Central Files Telephone [phone]
Questions? Contact DEMLR Stonmwater Permitting Staff In the Central Office at:
[phone]
Permit Date 8/1/2017 — 6/30/2022
Last Revised 8 22-2017