NCG140266 DMR WW 20210119

ANNUAL SUMMARY DISCHARGE MONITORING
REPORT (DMR) — WASTEWATER
SUBMIT TO CENTRAL OFFICE*
General Permit No. NCG140000
Calendar Year 2020
'Report ALL WASTEWATER monitoring data on this form (include "No FlowT'No Discharge' and Limit Violations) from
the Drevious calendar vear to the DEQ by MARCH 1 of each vear.
Certificate of Coverage No. NCG14
Facility Name: Thomas Concrete of Carolina - Morrisville Plant
County: _ Wake
Phone Number: (919 )460-5317
Certified Laboratory ESC - Pace Analytical
Lab # ENV375
Lab #
Total no. of outfalls monitored
Wastewater (WW) Discharge Outfall No. 002
Does this outfall discharge WW to SA waters? Yes ❑ No ❑✓
Does this outfall discharge WW to SB or PNA waters? Yes ❑ No ❑r
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 (Tr) designated waters? Yes ❑ No ❑✓
Were there any limit violations in the calendar year? Yes ✓❑ No ❑
Outfall No.
002
Daily Flow Rate,
cfs
pH,
SU
TSS,
mg/I
SS,
MIA
uappncabm
Non -Polar O&G (EPA Method 1664
(SGT-HEM)), mgll
Effluent
Limitations
Daily Maximum
HOWor ORW
50%of 7Q10
MsicareN bl.
applicable
freshwater
6.0-9.0
saltwater
6.8-8.5
Standard
30
HOW
20
HOW I ORW and Tr, or
PNA
10
HOW. ORW. SA.
SB,PNA,orany
Trout
S
NO Limit
Samples above Benchmark
subject to Tiered Responses
15
Date
Sample
Collected,
mo/dd/ r
02/06/20
0.08
11.98
74.8
N/A
<5.15
06/30/20
NO FLOW
09/30/20
NO FLOW
12/31/20
NO FLOW
Permit Date 8/112017 — 6/30/2022
Last Revised 8-22-2017

Certificate of Coverage No. NCG14 12❑©©
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 A 1
Signature Or
Date i I 1 bi
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