NC0025453_Permit (Correction)_20200527

DocuSign Envelope ID: F384CAD8-EB93-4A8C-A364-59B04D63033D
Permit NCO025453
PART I
A. (1.) EFFLUENT LIMITATIONS AND MONITORING REQUIREMENTS [2.5 MGD]
[15A NCAC 02B .0400 et seq., 15A NCACO2B .0500 et seq.] Grade IV
Biological Water Pollution Control System [15A NCAC 08G .0302]
During the period beginning on the effective date of the permit and lasting until expiration, the permittee
is authorized to discharge treated municipal and industrial wastewater from Outfall 001. Such discharges
shall be limited and monitored' by the permittee as specified below:
PARAMETER CHARACTERISTICS
EFFLUENT LIMITS
MONITORING REQUIREMENTS
Monthly
Weekly
Daily
Measurement
Sample
Sample
PARAMETER CODE
Average
Average
Maximum
Frequency
Type
Location2
Flow 50050
2.5 MGD
Continuous
Recording
I or E
BOD, 5 day, 20°C3 C0310
5.0 mg/L
7.5 mg/L
2/week $
Composite
I and E
(April 1- October 31)
BOD, 5 day, 20°C3 C0310
10.0 mg/L
15.0 mg/L
2/week s
Composite
I and E
(November 1- March 31)
Total Suspended Solids C0530
30.0 mg/L
45.0 mg/L
2/week$
Composite
I and E
NH3 as N C0610
1.0 mg/L
3.0 mg/L
2/week $
Composite
E
Art -Oct 31
NH3 as N C0610
2.0 mg/L
6.0 mg/L
2/week s
Composite
E
(Nov 1- Mar 31
Dissolved Oxygen 00300
Daily Average > 6.0 mg/L
Daily
Grab
E
pH 00400
Between 6.0 and 9.0 Standard Units
Daily
Grab
E
Temperature °C 00010
Monitor and Report
Daily
Grab
E
Fecal Coliform 31616
200/ 100 mL
400/100 mL
2/week$
Grab
E
(geometric mean
Total Residual Chlorine 50060
28 µg/L
Daily
Grab
E
TKN (mg/L) 00625
Monitor and Report
Weekly
Composite
E
NO3-N + NO2-N (mg/L) 00630
Monitor and Report
Weekly
Composite
E
Total Nitro ens (Mg/I C0600
Monitor and Report
Weekly
Calculated
E
TN Load 9,11 QM600
Monitor and Report (lb/month)
Monthly
E
Y600
22,832lb/ r
AnnuallyCalculated
Total Monthly Flow (MG) 82220
Monitor and Report
Monthly
Calculated
E
Total Phosphorus (mg/L) C0665
2.0 mg/L (Quarterly Average)
Weekly
Composite
E
Conductivity (µmhos/cm) 00094
Monitor and Report
Daily
Grab
E
Bis (2-Ethylhexyl)Pthalate (µg/L) C0100
Monitor and Report
Quarterly
Composite
E
6 TGP3B
Chronic Toxicity
Monitor and Report
p
Quarterly
Composite
P
E
Pollutant Scan' NCO]
Monitor and Report
Footnote 7
Footnote 7
E
Hardness 11-Total as CaCO3 (mg/L) 00900
Monitor and Report
Quarterly
Composite
E
Hardness 11-Total as CaCO3 (mg/L) 00900
Monitor and Report
Quarterly
Grab
U
Dissolved Oxygen (mg/L) 00300
Monitor and Report
Variable2
Grab
U and D
Temperature °C 00010
Monitor and Report
Variable2
Grab
U and D
Conductivity (µmhos/cm) 00094
Monitor and Report
Variable2
Grab
U and D
Fecal Coliform (#/100mL) 31616
Monitor and Report
Variable2
Grab
U and D
(geometric mean)
Footnotes:
1. The permittee shall submit Discharge Monitoring Reports electronically using NC DWR's eDMR
application system. See Special Condition A. (7).
Footnotes are continued on the next page.
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