NCG020187 DMR SW (2)

11 ANNUAL SUMMARY DMR - STORMWATER
SEND TO CENTRAL OFFICE
STO"WATER DISCHARGE OUTFALLS (SDO)
GENERAL PERMIT NO. NCG020000
*Report ALL STORMWAT ER Monitoring Data on this form (including No Flow and No Discharge and Permit Limit Violations ).by MARCH I of each*ear.
CERTIFICATE OF COVERAGE. NO. NCG020187
FACILITY NAME: Central Rock Quarry
PERSON COLLECTING SAMPLES: Tim Hipps
CERTIFIED LABORATORY: PACE ANALYTICAL Lab #12
Part A: Stormwater Mnnitnrina Rrnniram to
SAMPLE COLLECTION YEAR: 2015
COUNTY: Guilford
PHONE NO. 336-674=0836
ADD TO LISTERVE? YES NO p EMAIL:
Outfall
No.
-
Date Sample
Collected °
(mo/dd/yr Ok
NO FLOW)!
-
In Tier 2
Monthly
Monitoring?
/n
# of Months in
Tier 2
Sampling?
Total Flow
(MG) .
-
Total Suspended
Solids
(Mg/1)
1003'4
. Turbidity'
(NTU)
See Footnote3'4
Settleable
Solids (ml/1)
0.13
Total
Rainfall
(in)
Event
Duration
(hrs)
Jan. -Jun. Pit Dischar e
Jul. -Dec. Pit Discharge.
6/25/15
12/14/15
N
N
0.034
0.013
3.3
ND
0.97
1.8
ND
ND
0.5
0.2
1
6
-- - - - - -- ---• -- ..............................� a�aw ,�augc.
3Per NCG02: Tier 2 Monthly Sampling shall be done until 3 consecutive samples are below the benchmark or within the benchmark range.
3 I a value is in excess of the benchmark, or outside the benchmark range (for pH), you must implement the Teir I or Tier 2 responses in the General Permit.
°TSS benchmark values are 100 mg/I except in ORW, HWQ, trout, and PNA waters where they are 50 mg/1.
sne discharge shall not cause an instantaneous measurement of the turbidity of the receiving water to exceed: 10 NTU for freshwater streams, lakes,, and reservois designated
as trout waters; 25 NTU for all lakes and reservois, and all salt water; 50 NTU for all other streams and surface waters. Turbidity may be monitored at the SDO.
Alternatively, the permittee may choose to monitor turbidity -in the receiving water, directly upstream and downstream of the SDO.
Permit Date: 1/1/2010-12/31/2014
Last Revised 0 1 -2 1 -11
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Part A: Vehicle Maintenance Activity Monitoring Requirements for facilities using > 55 gal of new motor oil/month on
Outfall
No.
Date Sample
Collected
(mo./dd/yr OR
NO FLOW)'
In Tier 2
Monthly
Monitoring?
(y/n)
# of Months in
Tier'2
Sampling2
New Motor
Oil Usage
(gal/month) '.
_
Total Flow TPH using method
(MG) 1664A SGT -HEM
(mg/1)
- 15 3
Total Suspended
Solids
(mg/1)
100 3
I pH
(Standard
I Units)
16-9 3
Total Event
Rainfall Duration
in
Jan. -Jun. Haul Road Basin
No Discharge
25.0
No Discharge
Jul. -Dec. Haul Road Basin
No Discharge
40.0
I
No Discharge
I
HAS YOUR FACILITY HAD 4 OR MORE BENCHMARK EXCEEDENCES
AT ANY ONE OUTFALL (INCLUDING VEHICLE MAINTENANCE)?
HAVE YOU CONTACTED THE REGION?
WHO AT THE REGION HAVE YOU SPOKEN WITH?
VIOLATIONS) BY MARCH I OF EACH YEAR TO:
Division of Water Quality
Attn: DWQ Central Files
1617 Mail Service Center
Raleigh, North Carolina 27699-1617
[phone]
YES ❑ NO 0 --
YES p NO p
YOU MUST SIGN THIS CERTIFICATION FOR ANYINFORMATION REPORTED:
"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 sumbitted. 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 blelief, true, accurate,
and complete. LaM aware that there are significant penalties for submitting false information, including the possibility of fines and imprisionment for knowing
violati 11 I
(Sign
10-12/31/2014
1/6/2016
Last Revised 01-21-11
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