NCG020422_DMR_20191108

ANNUAL SUMMARY DISCHARGE 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 of Coverage No. NCGO2 0 4 2 2
Facility Name: Beck Mine
County: Chatham
Phone Number: ( 919 ) 774-5306 Total no. of SDOs monitored 1
Certified Laboratory Pace Analytical Lab # 67
Lab #
Stormwater Discharge Outfall (SDO) No. 1 up VMA Outfall? Yes ❑ No
Is this outfall currently in Tier 2 for any parameter? Yes ❑ No 12
Was this outfall ever in Tier 2 during the past year? Yes ❑ No 12
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 ❑
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 min NTU NTU NTU O&G, mg/I Usage
1 up inches (VMA) (gal/mo.)
Circle Circle >55 gal/mo.
Stormwater
Indicate NO Benchmark -BQnchmark N/A N/A average requires
Benchmarks FLO1Nit 100/50 0•1 50/25/10 water quality water Quality 15 TSS and Non-polar
applicable Standard applies Standard applies O&G monitoring
Date Sample
Collected,
mo/dd/yr
06/10/19 0.40 19.2 0.10 41.5
11/08/19 0.55 25.3 ND 14.9
Permit Date 10/1/2015—9/30/2020
Last Revised 10-2-2015

Certificate of Coverage No. NCGO2 0 4 2 12
Additional Outfall Attachment (make copies as needed for additional outfalls)
Stormwater Discharge Outfall (SDO) No. 1 down VMA Outfall? Yes ❑ No
Is this outfall currently in Tier 2 for any parameter? Yes ❑ No n
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 ❑
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 NRainfall, mg/I mu! NTU NTU NTU O&G, mg/I Usage
1 downn
inches (VMA) (gal/mo.)
Stormwater Circle Circle N/A N/A >55 gal/mo.
Indicate NO Benaimark -.Benchmark average requires
Benchmarks FLOWif 100/50 0.1 • 50/25/10 Water Quality Water applies
15 TSS and Non-polar
applicable _ Standard applies Standard applies O&G monitoring
Date Sample
Collected,
mo/dd/yr
06/10/19 0.40 12.0 ND 23.1
11/08/19 0 55 25 0 0.10 26 9
Permit Date 10/1/2015—9/30/2020
Last Revised 10-2-2015

Certificate of Coverage No. NCGO2 0 4 [2 2
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§122.22]
Signature
Date 0 Zo
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