NCG020857_DMR_Wastewater_20200406

ANNUAL SUMMARY DISCHARGE MONITORING
REPORT (DMR) — WASTEWATER
SUBMIT TO CENTRAL fJFFICE*
General Permit No. NCG020000
Calendar Year
*Report ALL WASTEWATER monitoring data on this form (include "No Flow"/"No Discharge"and Limit Violations)from
the previous calendar year to the DEQ by MARCH 1 of each year.
Certificate of Coverage No. NCGO2 0 8 5 n
Facility Name: Cahoon Mine
County: Dare
Phone Number: ( 252 ) 473-6074 Total no. of outfalls monitored 1
Certified Laboratory Envirochem Lab# DWQ 94
Lab# DLS 37729
Wastewater(WW) Discharge Outfall No. 1
Is this an industrial sand mine (See 40 CFR §436 Subpart D)? Yes C No Eg
Does this outfall discharge WW to SA waters? Yes ❑ No 0
Does this outfall discharge WW to SB or PNA waters? Yes ❑ No X❑
Does this outfall discharge WW to HQW or ORW waters? Yes Ti No [
If so, what is the 7Q10 flow rate? or Tidally influenced waters, 7Q10 not available ❑
Does this outfall discharge WW to Trout (Tr) designated waters? Yes ❑ No 71
Were there any limit violations in the calendar year? Yes ❑ No U
Fecal
Outfall No. Daily Flow pH, TSS, SS, Discharge Upstream Downstream Coliform,
Rate, cfs SU mg/I ml/I Turbidity, (U) Turbidity, (D) Turbidity, col/100 ml
if applicable NTU NTU NTU (SA)
Industrial Sand
HOW or ORW freshwater 25/45 HOW,ORW,
Effluent 50% of 6.0-9.0 HOW or ORW SA,SB PNA, No Limit N/A N/A
Limitations 7Q10 saltwater 20/30 or any Trout CircieWater Water Quality Water Quality N/A
6.8-8.5 HOW or ORW 0.1/0.2 Q thlat appl esard Standard applies Standard applies
Mo.Ave!Daily Max. Indicate NO FLOW and Tr or PNA 50/25/10
if applicable 10/15
Date Sample
Collected,
mo/dd/yr
3-25-19 NO FLOW
6-12-19 NO FLOW RFC (VED
9-3-19 NO FLOW
12-15-19 NO FLOW APR 0 6 2.02.0
rFh1TRP%L FILES
DWt SECTION
Permit Date 10/1/2015-9/30/2020
Last Revised 10-2-2015

Certificate of Coverage No. NCGO2 nnn 7
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]
Digitally signed by Ken Elliott
DN.CN=Ken Elliott,O=Elliott Consulting,
Ken E I I i o tt E=Rekenon.@ kenobxattestto com
as I the accuracy and integrity of this
Signature document
Location.CIIbW C ne-IC,,g
Date April 1, 2019 Date 2020-04-01 09 11OS
Mail Annual Summary Wastewater 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