NCG020330_DMR_20200812

ANNUAL SUMMARY DISCHARGE MONITORING
REPORT (DMR) — WASTEWATER
SUBMIT TO CENTRAL OFFICE*
General Permit No. NCG020000
Calendar Year 2020
*Report ALL WASTEWATER monitoring data on this form (include "No Flow'T No Discharge' and Limit Violations) from
the previous calendar year to the DEQ by MARCH 1 of each year.
Certificate of Coverage No. NCG020330 NEG r', IVED
Facility Name: 3M Pittsboro AUG 17 nm
County: Chatham CENTRAL FILES'
Phone Number: (_919) 642-4009 D• R S .CIiOW.jno. of outfalls monitored 1
Certified Laboratory Pace Lab # 67
Lab #
Wastewater (WW) Discharge Outfall No. 003
Is this an industrial sand mine (See 40 CFR §436 Subpart D)? Yes ❑ No
Does this outfall discharge WW to SA waters? Yes ❑ No
Does this outfall discharge WW to SB or PNA waters? Yes ❑ No
Does this outfall discharge WW to HOW or ORW waters? Yes ❑ No
If so, what is the 7Q10 flow rate? NA or Tidally influenced waters, 7Q10 not available ❑
Does this outfall discharge WW to Trout jr) designated waters? Yes ❑ No
Were there any limit violations in the calendar year? Yes ❑ No
Outfall No.
Total Flow
MG
pH,
SU
TSS,
mg/I
SS,
ml/I
ifapplicable
Discharge
Turbidity,
NTU
Upstream
(U) Turbidity,
NTU
Downstream
(D) Turbidity,
NTU
Fecal
Coliform,
col/100 ml
SA
Effluent
Limitations
Mo. Ave I Daily Max.
Indicate NO FLOW
ifapplicable
freshwater
6'0-9.0
saltwater
6.8-8.5
Industrial Sand
25/45
HOW or ORIN
20/30
HOW or ORW
and Tr or PNA
10/15
HQW, ORIN,
SA, SB, PNA,
or any Trout
U,1 /0.2
No Limit
CireleWater
Quality Standard
that applies:
50/25/10
N/A
Water Quality
Standard applies
N/A
Water Quality
Standard applies
N/A
Date Sample
Collected,
mo/dd/yr
05/18/20
51.23 *
8.27
3.2
ND
1.6
08/03/20
39.87 *
8.08
ND
ND
1.5
*Flow is measured with meters and reported as total flow in MG
** Ph testing is done on site as soon as possible after sample taken
Permit Date 101112015 — 9/30/2020
Last Revised 10-2-2015

Certificate of Coverage No. NCG02 ❑❑❑❑
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]
Signs
Date
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, INC 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