NCG140296_DMR_20201229

ANNUAL SUMMARY DISCHARGE MONITORING
REPORT (DMR) — STORMWATER
SUBMIT TO CENTRAL OFFICE*
General Permit No. NCG140O0O
Calendar Year 2020
*Report ALL STORMWATER monitoring data on this form (include "No Flow"f"No Discharge" and Benchmark
Exceedances) from the previous calendar year to the DEQ by MARCH 1 of each year.
Certificate of Coverage No. NCG14
Facility Name: Ready Mixed Concrete Co.
County: Pitt
Phone Number: 25( 2 ) 746-4799
Certified Laboratory Environment 1, Inc.
Total no. of SDOs monitored 2
Lab # 10
Lab #
Stormwater Discharge Outfall (SDO) No. 1 VMA Outfall? Yes ❑ No ❑✓
Is this outfall currently in Tier 2 for any parameter? Yes ❑ No ❑v
Was this outfall ever in Tier 2 during the past year? Yes ❑ No ❑v
If this outfall was in Tier 2 last year, was monthly monitoring discontinued?
Yes, enough consecutive samples below benchmarks to decrease frequency ❑
Yes, received approval from DEMLR to reduce monitoring frequency ❑
Other ❑
Outfall No.
001
Total Rainfall,
inches
Total
Suspended
Solids (TSS),
m /I
pH,
SU
Non -polar O&G
(EPA Method
1664 (SGT-HEM)),
mg/I (VMA)
Happlicable
New Motor Oil
Usage al/mo.
9 (9 )
Happlicable
Stormwater
Benchmarks
Intlicap NO
applicable
C' mark
100/
n
6.U-J.0
15
e requiresGmonito Tg and
>55 gallmo.Non-p Non -polar
Non -polar OSG monitoring
Date Sample
Collected,
mo/dd/yr
04/30/2020
.9
13
6.3
09/17/2020
1.4
3.8
6.9
Permit Date 8/1/2017 — 6/30/2022
Last Revised 8-22-2015

Certificate of Coverage No. NCG14 fl 1 9❑©
Additional Outfall Attachment (make copies as needed for additional outfalls)
Stormwater Discharge Outfall (SDO) No. 2 VMA Outfall? Yes ❑ No ✓❑
Is this outfall currently in Tier 2 for any parameter? Yes ❑ No ❑✓
Was this outfall ever in Tier 2 during the past year? Yes ❑ No ✓❑
If this outfall was in Tier 2 last year, was monthly monitoring discontinued?
Yes, enough consecutive samples below benchmarks to decrease frequency ❑
Yes, received approval from DEMLR to reduce monitoring frequency ❑
Other ❑
Outfall No.
002
Total Rainfall,
inches
Total
Suspended
Solids (TSS),
m /I
pH,
SU
Non -polar O&G
(EPA Method
1664 (SGT-HEM)),
mg/I (VMA)
Happlicable
New Motor Oil
Usage (gal/mo.)
I/applicable
Stormwater
Benchmarks
Indicate NO FLOWN
applicable
cir mark
1 001 0
6.0-9.0
15
>55 gallmo. average requires TSS and
Nan -polar O&G monitoring
Date Sample
Collected,
mo/dd/yr
04/30/2020
.9
6.9
6.8
09/17/2020
1.4
2.7
7.3
Permit Date 8/1/2017 — 6/30/2022
Last Revised 8-22-2015

Certificate of Coverage No. NCG14 EKINIF61
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 fU
Date 2-74 z Z-L)
Mail Annual Summary Stormwater 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 8-22-2015