NCG020173_DMR_2019

ANNUAL SUMMARY DISCHHARGE MONITORING
REPORT (DMR) - STORMWATER
SUBMIT TO CENTRAL. OFFICE*
General Permit No. NCG020000
Calendar Year 2019
*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 Coverage No. NCG020173
Martin Marietta Materials, Inc. - Mallard Creek Quarry
County: Mecklenburg
Phone Number 704 547-9775 Total no. of SDO's monitored 4
Certified Laboratory Pace Analytical Lab # 12
Lab #
Stormwater Discharge Outfall (SDO) No. 1,2,3,4 VMA Outfall? Yes No X
Is the outfall currently in Tier 2 for any parameter? Yes No X
Was the outfall ever in Tier 2 during the past year? Yes No X
If the 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
No,turbidity benchmark exceedances did not require monthly monitoring
Other
Upstream Downstream New
Total TSS SS, Turbidity, (U) Turbidity (D) Turbidity Non-polar Motor Oil
Outfall No. Rainfall, mg/I ml/I NTU NTU NTU O&G, mg/I Usage
inches (VMA) (gal/mo.)
Stormwater Benchmark circle NA NA average>55 /mo.
Indicate NO Benchmark requires
Benchmarks aFLOW if Water Quality `Nate,O.re�.;;y I SS and Non-polar
�,caele 10 50 0.1 �'25/10 Standard applies Water
15 O8G monitoring
Date Sample
Collected,
mo/dd/yr
1/1/18-6/30/18 No Discharge 7/1/18-12/31/18 No Discharge R F�+F P R IE D
N,AR 02 2020
Vehicle Maintenance stormwater is comingled with wastewater discharge GEti i FI U�DR SECTION
Permit Date 10/1/2015 - 9/30/2020
Last Revised 10/2/2015

Certificate Coverage No. NCG020173
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 fi es and i prisonment for knowing violation."
[Required by 40 CFR§122.22] a
Signature
Date 2/20/20
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 10/1/2015-9/30/2020
Last Revised 10/2/2015

ANNUAL SUMMARY DISCHHARGE MONITORING
REPORT (DMR) - WASTEWATER
SUBMIT TO CENTRAL OFFICE*
General Permit No. NCG020000
Calendar Year 2019
*Report ALL WASTEWATER monitoring data on this form (include "No Flow"/"No Discharge" and Limit Violitions)from
the previous calendar year to the DEC by MARCH 1 of each year.
Certificate Coverage No. NCG020173
Facility Name: Martin Marietta Materials, Inc. - Mallard Creek Quarry
County: Mecklenburg
Phone Number [phone] Total no. of outfalls monitored 1
Certified Laboratory Pace Analytical Lab # 12
Lab #
Wastewater (WW) Discharge Outfall No. 001
Is this an industrial sand mine (See 40 CFR §436 Subpart D)? Yes No X
Does this outfall discharge WW to SA waters? Yes No X
Does this outfall discharge WW to SB or PNA waters? Yes No X
Does this outfall discharge WW to HQW or ORW waters? Yes No X
If so, what is the 7Q10 flow rate? or Tidally influenced waters, 7Q10 not available
Does this outfall discharge WW to Trout (Tr) designated water Yes No X
Were there any limit violations in the calendar year? Yes No X
Fecal
Daily Flow pH, TSS, SS, Discharge Upstream Downstream Coliform,
Outfall No. Rate, cfs SU mg/I mill Turbidity (U) Turbidity (D) Turbidity col/100 ml
001 tapplicabie NTU NTU NTU (SA)
Industrial
HQW or ORW Freshwater 25/45
Effluent 50% of 6.0-9.0 HOW orORW SCA SB.PNA No Limit NA NA
Limitations 7Q10 Saltwater 20/30 or any Trout Circle Water Water Quality Water Quality NA
6.8-8.5 HOW or ORW 1/0•2Quality
li Standard rd Standards Applies Standards Applies
t
Mo.Ave/Daily Max. Indicate NO FLOW and Tr or PNA 0/25/10
if applicable 1 0/1 5
Date Sample
Collected,
mo/dd/yr REIVED
No Discharge No Flow MAR 0 2 2020
CF \
12/4/19 0.480 7.4 <2.6 <0.10 <1.0 D W l SE LE ; N/A
DON
•
•
Permit Date 10/1/2015 - 9/30/2020
Last Revised 10/2/2015

Certificate Coverage No. NCG020173
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 syste
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 violation."
[Required by 40 CFR§122.22]
Signature
Date 2/20/20
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 10/1/2015 - 9/30/2020
Last Revised 10/2/2015