NCG140302_MONITORING INFO_20170801

STORMWATER DIVISION CODING SHEET
NCG PERMITS
PERMIT NO.
/vCc Iyfl3ua
DOC TYPE
❑HISTORICAL FILE
MONITORING REPORTS
DOC DATE
❑ ,)0 1 r-]
YYYYMMDD

ANNUAL SUMMARY DISCHARGE MONITORING
REPORT (DMR) — STORMWATER
SUBMIT TO CENTRAL OFFICE*
General Permit No. NCG140000
Calendar Year
"Report ALL STORMWATER monitoring data on this form (include "No Flow'?'No Discharge" and Benchmark
Exceedances) from the previous calendar year to the DEQ by MARCH 1 of each year.
Certificate of Coverage No. NCG140302
Facility Name: Southern Concrete Materials — Mills River Plant
County: Henderson
Phone Number: ( 828) 253-6421 Total no. of SDOs monitored 1
Certified Laboratory ETA Lab # 600
Lab #
Stormwater Discharge Outfall (SDO) No. 1 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.
Total Rainfall,
inches
Total
Suspended
Solids , { )
mg/1
pH,
SU
Non -polar O&G
(EPA Method
1664TSS ( SGT-HEM)),
mgll (VMA)
!(applicable
New Motor Oil
Usage (gallmo.)
liapplicable
Stormwater
Benchmarks
i
Indicate NO FLOWN
applicable
Circle Benchmark
1 0©/JO
I
A
6.V-�.0
1 5
?55 gallmo. average requires TSS and
Non -polar o8G monitoring
Date Sample
Collected,
molddl
MMM
05/23/2017
0.70
11
8.6
09/06/2017
0.75
12
9.0
Permit Date 811/2017 — 6/30/2022
Last Revised 8-22-2015

s 4 _ Certificate of Coverage No. NCG 14 FOI0©®
lei ?I - ZIA�67,V"Ls] `►1
"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 §122,22]
Signature -
Date
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

BP
Station
Propane y
storage
o �'PO
Total area = 3.42 acres
Impervious area = 1.99 acres
Impervious = 587.
Area 1 - 47,142 sq. ft.
Area 2 = 37,924 sq. ft.
Area 3 = 1,567 sq. ft.
No pipe necessary
due to slope and
drainage pattern
--'Access # 1
scar i• - too'
DRAWN BY, ,Jeff Lamm PROJECT SHT, NAKE SHT. NO.
Es August 14, 2000 SOUTHERN CONCRETE Pin # 9620-10-3626
DWCs No., MATERIALS
Mills River Plant
APPROVED BYt Henderson County

QUADRANGLE
UNITED STATES
DEPARTMENT OF THE INTERIOR
GEOLOGICAL SURVEY
HENDERSON COUNTY
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Southern Concrete Materials Mills River Plant Horseshoe- North Carolina

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2000
SCALE 1:24000
FEET