NC0026441_Part two of 2019 permit_20190531

Permit NC0026441
NPDES PERMIT
Town of Siler Citv
This permit shall become effective June 1,2014.
This pennit and authorization to discharge shall expire at midnight May 31, 2019.
Signed this day April 30, 2014.
Original Signed hy Tom Belnick
to receiving waters designated as Loves Creek within the Cape Fear River Basin, in accordance with effluent
limitations, monitoring requirements, and other conditions set forth in Parts I. II, III and IV hereof.
STATE OF NORTH CAROLINA
DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES
DIVISION OF WATER RESOURCES
Thomas A. Reeder, Director
Division of Water Resources
By Authority of the Environmental Management Commission
Town of Siler City WWTP
370 Waste Treatment Plant Road
Chatham County
hi compliance with the provision of North Carolina General Statute 143-215.1, other lawful standards and
regulations promulgated and adopted by the North Carolina Environmental Management Commission, and the
Federal Water Pollution Control Act, as amended, the
is hereby authorized to discharge wastewater from a facility located at the
TO DISCHARGE WASTEWATER UNDER THE
NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM
(NPDES)
Permit NC0026441
Part I
PARAMETERS
Flow 4.0 MGD Continuous Recording
5.0 mg/L 7.5 mg/L 2/Wcek10 Composite
10.0 mg/L 15.0 mg/L Composite
30.0 mg/L 45.0 mg/L Composite
1.0 mg/L 3.0 mg/L Daily Composite Effluent
2.0 mg/L 6.0 mg/L Daily Composite Effluent
200/ 100 ml 400/ 100 ml Grab Effluent
17 Mg/L
Weekly Calculated Effluent
0.5 mg/L (quarlerl) average)Weekly-Composite Effluent
Weekly Composite Effluent
15.5 tig/L
Monitor and Report
I.
4.
Page 3 of 10
2.0 mg/L (quarterly average)
2.1 pg/L
—J________
Daily average >6.0 mg/L
> 6.0 and < 9.0 standard units
2.
3.
5.
6.
Weekly
Average
Daily
Maximum
Measurement
Frequency
Sample
Type
Weekly-
Weekly
Daily
Daily-
Daily
Daily-
Composite
Composite
Composite
Composite
Composite
Footnote 9
Composite
Composite
Effluent
Effluent
Effluent
Effluent
Effluent
Effluent
Effluent
Effluent
Effluent
Effluent
Effluent
Effluent
Grab
Grab
Grab
Grab
A. (1) EFFLUENT LIMITATIONS AND MONITORING REQUIREMENTS
a. Dining the period beginning with the effective date and lasting until expiration. ttiv* X Xzl
treated wastewater through Outfall 001, Such discharges shall be limited and monitored
_______EFFLUENT LIMITS
Monthly
Average
Monthly
Quarterly7
Quarterly7
Quarterly7
Quarterly
Footnote 9
the Permittee is authorized to discharge
■■•tcred1 by the Permittee as specified below:
MONITORING REQUIREMENTS
Sample
Location2__
Influent or
Effluent
Influent and
Effluent
Influent and
Effluent
Influent and
Effluent
2/Week10
2/Week10
2/Week10
BOD, 5 day, 20°C3
(April 1 thru October 31)_____
BOD, 5 day, 20°C 3
(November I thru March 31)
Total Suspended Solids3
NH3 as N
(April 1 thru October 31)_____
NH3 as N
(November 1 thru March 31)
Fecal Coliform
(geometric mean)____________
Total Residual Chlorine (TRC)4
Temperature (°C)
Dissolved Oxygen
PH
Total Nitrogen
(NO2 + NO3 + TKN)
NO3-N + NO2-N (mg/L)
TKN (mg/L)_______________
Total Phosphorus5
(April 1 thru September 30)
Total Phosphorus5
(October 1 through March 31)
Total Cadmium6
Total Copper
Total Zinc
Chloride
Chronic Toxicity8
Effluent Pollutant Scan
Footnotes:
No later than March I, 2015, begin submitting discharge monitoring reports electronically using NC DWR’s eDMR
application system. See Condition A. (7).
Instream monitoring shall be performed in accordance with Condition A. (2).
The monthly average effluent BOD5 and Total Suspended Solids concentrations shall not exceed 15 % of the respective
influent value (i.e., 85% removal is required).
I RC limits and monitoring requirements apply only if chlorine or chlorine derivatives are used for disinfection. The
I cimittec shall 1 eport all effluent TRC values reported by a NC-certified laboratory [including field-certified]. Effluent
values below 50 pg/L will be treated as zero for compliance purposes.
C ompliance with the Total Phosphorus limits shall be based on a calendar-quarter average of weekly samples.
Total Cadmium limits become effective December 1, 2015. Monitoring shall begin on the effective date. See
Condition A. (6).
Permit NC0026441
NPDES PERMIT
Town of Siler Citv
V
is hereby authorized to discharge wastewater from a facility located at the
This pennit shall become effective June 1,2014.
This permit and authorization to discharge shall expire at midnight May 31, 2019.
Signed this day April 30, 2014.
Original Signed by Toni Belnick
to receiving waters designated as Loves Creek within the Cape Fear River Basin, in accordance with effluent
limitations, monitoring requirements, and other conditions set forth in Parts I. II, III and IV hereof.
STATE OF NORTH CAROLINA
DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES
DIVISION OF WATER RESOURCES
Thomas A. Reeder, Director
Division of Water Resources
By Authority of the Environmental Management Commission
Town of Siler City WWTP
370 Waste Treatment Plant Road
Chatham County
In compliance with the provision of North Carolina General Statute 143-215.1, other lawful standards and
regulations promulgated and adopted by the North Carolina Environmental Management Commission, and the
Federal Water Pollution Control Act, as amended, the
TO DISCHARGE WASTEWATER UNDER THE
NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM
(NPDES)
Permit NC0026441
Part I
PARAMETERS
Flow 4.0 MGD Continuous Recording
5.0 ing/L 7.5 mg/L Composite
10.0 mg/L 15.0 mg/L Composite
30.0 mg/L 45.0 mg/L Composite
1.0 mg/I,3.0 mg/L Daily Composite Effluent
2.0 mg/L 6.0 mg/L Daily Composite Effluent
200/ 100 ml 400/ 100 ml Grab Effluent
17 Pg/L
Weekly Calculated Effluent
0.5 mg/L (quarterly average)Weekly-Composite Effluent
Weekly Composite Effluent
15.5 ug/L
Monitor and Report
1.
4.
Page 3 of 10
Composite
Composite
2.0 mg/L (quarterly average)
2.1 pg/L
Daily average > 6.0 mg/L
> 6.0 and < 9.0 standard units
Effluent
Effluent
Weekly
Weekly
2.
3.
Weekly
Average
Daily
Maximum
Measurement
Frequency
Effluent
Effluent
Effluent
Effluent
Daily
Daily
Daily-
Daily
Composite
Composite
Composite
Composite
Composite
Footnote 9
Grab
Grab
Grab
Grab
Sample
Location2
Influent or
Effluent
Influent and
Effluent
Influent and
Effluent
Influent and
Effluent
Effluent
Effluent
Effluent
Effluent
Effluent
Effluent
MONO ORING REQUIREMENTS
Sample
Type
Monthly
Quarterly7
Quarterly7
Quarterly7
Quarterly
Footnote 9
5. Compliance with the Total Phosphorus limits shall be based
6.
A. (1) EFFLUENT LIMITATIONS AND MONITORING REQUIREMENTS
a. During the period beginning with the effective date and lasting until expiration, the Permittee is authorized to discharge
treated wastewater through Outfall 001. Such discharges shall be limited and monitored1 by the Permittee as specified below:
_______EFFLUENT LIMITS
Monthly
Average
2/Weeki0
2/Wcek10
2/Week10
2/Wcek10
BOD, 5 day, 20°C3
(April 1 thru October 31)
BOD, 5 day, 20°C3
(November I thru March 31)
Total Suspended Solids3
NH3 as N
(April 1 thru October 31)_____
NH3 as N
(November I thin March 31)
Fecal Coliform
(geometric mean)___________
Total Residual Chlorine (TRC)4
Temperature (°C)
Dissolved Oxygen
PH
Total Nitrogen
(NO2 + NO3 + TKN)
NO3-N + NO2-N (mg/L)
TKN (mg/L)________________
Total Phosphorus’
(April 1 thru September 30)
Total Phosphorus2'
(October 1 through March 31)
Total Cadmium6
'Total Copper
Total Zinc
Chloride
Chronic Toxicity8
Effluent Pollutant Scan
Footnotes:
No later than March I, 2015, begin submitting discharge monitoring reports electronically using NC DWR’s eDMR
application system. See Condition A. (7).
Instream monitoring shall be performed in accordance with Condition A. (2).
The monthly average effluent BOD5 and 1 otal Suspended Solids concentrations shall not exceed 15 % of the respective
influent value (i.e., 85% removal is required).
IRC limits and monitoring requirements apply only if chlorine or chlorine derivatives are used for disinfection. The
Permittee shall report all effluent TRC values reported by a NC-certified laboratory [including field-certified). Effluent
values below 50 pg/L will be treated as zero for compliance purposes.
------------J on a calendar-quarter average of weekly samples.
Total Cadmium limits become effective December 1,2015. Monitoring shall begin on the effective date. See
Condition A. (6).
Permit NC0026441
NPDES PERMIT
Town of Siler Citv
V
is hereby authorized to discharge wastewater from a facility located at the
This pennit shall become effective June 1,2014.
This permit and authorization to discharge shall expire at midnight May 31, 2019.
Signed this day April 30, 2014.
*•
Original Signed by Tom Belnick
to receiving waters designated as Loves Creek within the Cape Fear River Basin, in accordance with effluent
limitations, monitoring requirements, and other conditions set forth in Pans I. II. Ill and IV hereof.
STATE OF NORTH CAROLINA
DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES
DIVISION OF WATER RESOURCES
Thomas A. Reeder, Director
Division of Water Resources
By Authority of the Environmental Management Commission
Town of Siler City WW TP
370 W aste Treatment Plant Road
Chatham County
TO DISCHARGE WASTEWATER UNDER THE
NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM
(NPDES)
In compliance with the provision of Nonh Carolina General Statute 143-215.1, other lawftil standards and
regulations promulgated and adopted by the North Carolina Environmental Management Commission, and the
Federal Water Pollution Control Act, as amended, the
Permit NC0026441
Part I
PARAMETERS
Flow 4.0 MGD Continuous Recording
5.0 mg/L 7.5 mg/L Composite
10.0 mg/L 15.0 mg/L Composite
30.0 mg/L 45.0 mg/L Composite
1.0 mg/L 3.0 mg/L Daily Composite Effluent
2.0 mg/L 6.0 mg/L Daily Composite Effluent
200/ 100 ml 400/100 ml Grab Effluent
17 fig/L
Weekly Calculated Effluent
0.5 mg/L (quarterly average)Weekly Composite Effluent
Weekly Composite Effluent
15.5 pg/L
Monitor and Report
Page 3 of 10
Daily average >6.0 mg/L
> 6.0 and < 9.0 standard units
5.
6.
Monthly
Average
Daily
Maximum
Measurement
Frequency
Sample
Type
2.0 mg/L (quarterly average)
2.1 pg/L
Weekly
Weekly
Daily
Daily
Daily
Daily-
Composite
Composite
Composite
Composite
Composite
Footnote 9
Composite
Composite
Grab
Grab
Grab
Grab
Effluent
Effluent
Effluent
Effluent
Effluent
Effluent
Effluent
Effluent
Effluent
Effluent
Effluent
Effluent
by the Permittee as specified below:
MONITORING REQUIREMENTS
Sample
Location2__
Influent or
Effluent
Influent and
Effluent
Influent and
Effluent
Influent and
Effluent
Monthly
Quarterly7
Quarterly7
Quarterly7
Quarterly
Footnote 9
2. Instream monitoring shall be performed in accordance with Condition A. (2).
o. Die monthly average effluent BOD5 and Total Suspended Solids concentrations shall not exceed 15 % of the respective
4.
A. (1) EFFLUENT LIMITATIONS AND MONITORING REQUIREMENTS
a. During the period beginning with the effective date and lasting until expiration, the Permittee is authorized to discharge
tieated wastewater through Outfall 001, Such discharges shall be limited and monitored1
EFFLUENT LIMIT S
Weekly
Average
BOD, 5 day, 20°C3
(April 1 thru October 31)_____
BOD, 5 day, 20°C3
(November I thru March 31)
T otal Suspended Solids3
NH3 as N
(April 1 thru October 31)_____
NH3 as N
(November 1 thru March 31)
Fecal Coliform
(geometric mean)____________
Total Residual Chlorine (TRC)4
Temperature (°C)
Dissolved Oxygen
pH________________________
Total Nitrogen
(NO2+NO3+TKN)_______
NO3-N +NO2-N (mg/L)
TKN (mg/L) ___________
Total Phosphorus5
(April 1 thru September 30)
Total Phosphorus
(October I through March 31)
Total Cadmium 6
Total Copper
Total Zinc
Chloride
Chronic Toxicity8
Effluent Pollutant Scan
Footnotes:
I. No later than March 1,2015, begin submitting discharge monitoring reports electronically using NC DWR’s cDMR
application system. See Condition A. (7).
Instream monitoring shall be performed in accordance with Condition A. (2).
2/Week10
2/Wcek10
2/Week10
influent value (i.c., 85% removal is required).
IRC limits and monitoring requirements apply only if chlorine or chlorine derivatives are used for disinfection. The
Peimittee shall report all effluent TRC values reported by a NC-certificd laboratory [including field-certified]. Effluent
values below 50 pg/L will be treated as zero for compliance purposes.
Compliance with the Total Phosphorus limits shall be based on a calendar-quarter average of weekly samples.
Total Cadmium limits become effective December 1,2015. Monitoring shall begin on the effective date. See
Condition A. (6).
2/Wcek10
I
Permit NC0026441
PERMIT
TO DISCHARGE WASTEWATER UNDER THE
NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM
Town of Siler City
is hereby authorized to discharge wastewater from a facility located at the
to receiving waters designated as Loves Creek within the Cape Fear River Basin
This permit shall become effective Mav 1,2019.
This permit and authorization to discharge shall expire at midnight May 31, 2019.
Signed this day April 30, 2019.
In compliance with tlie provisions of North Carolina General Statute 143-215.1, otlier lawful standards and
regulations promulgated and adopted by the North Carolina Environmental Management Commission, and
the Federal Water Pollution Control Act, as amended, the
STATE OF NORTH CAROLINA
DEPARTMENT OF ENVIRONMENTAL QUALITY
DIVISION OF WATER RESOURCES
in accordance with effluent limitations, monitoring requirements, and other conditions set forth in Parts I,
II, III and IV hereof.
Town of Siler City WWTP
370 Waste I reatment Plant Road
Chatham County
Linda Culpepper, Director
Division of Water Resources
By Authority of tlie Environmental Management Commission
I
Permit NC0026441
PART I - MONITORING, CONTROLS, AND LIMITATIONS FOR PERMUTED DISCHARGES
a.
EFFLUENT LIMITS
PARAMETERS
Flow 4.0 MGD Continuous Recording1
Total Monthly Flow (MG)Monitor and Report Monthly
5.0 mg/L 2/Week2 Composite
2/Week:Composite
Total Suspended Solids -30.0 mg/L 45.0 mg/L 2/Week •’Composite
1.0 mg/L 3.0 mg/L Daily Composite Effluent
2.C mg/L 6.0 mg/L Daily Composite Effluent
400/ 100 mL200/ 100 mL
17 jig/L
Grab
TN Load5 5 Calculated Effluent
0.5 mg/L (quarterly average)Weekly Composite Effluent
2.0 mg/L (quarterly average)Weekly Composite Effluent
2.1 pg/L 15.5 pg/ L
Footnotes:
1.
2.
Part I, Page I of 8
P/F at 90%
Monitor and Report
Effluent
EffluentDaily average >6.0 mg/L
> 6.0 and < 9.0 standard units
Monthly
Average
Weekly
Average
Daily
Maximum
MONITORING REQUIREMENTS
Measurement
Frequency
Recording or
Calculated
Sample
Type
BOD, 5 day, 20°C 1
(April 1 thru October 31)
BOD, 5 day, 20°C !
(November 1 thru March 31)
Monthly7
Quarterly7
Quarterly ’
Quarterly7
Quarterly
Footnote 9
Composite
Composite
Composite
Composite
Composite
Footnote 9
Grab
Grab
Composite
Composite
Calculated
Grab
Grab
Influent and
Effluent
Influent and
Effluent
Effluent
Effluent
Effluent
Effluent
Effluent
Effluent
Effluent
Effluent
Effluent
Effluent
Effluent
Effluent
2/Week2
Daily
Daily
Daily
Daily
Weekly
Weekly
Weekly
Monthly
Annually
Annually
Sample
Location. ..
Influent or
Effluent
Influent or
Effluent
Influent and
Effluent
Total Phosphorus2
(April 1 thru September 30)
Total Phosphorus6
(October 1 through March 31)
Total Cadmium
Total Copper
Total Zinc
Chloride
Chronic Toxicity3
Effluent Pollutant Scan5
Monitor and Report (lb/mo)5
243,455 Ib/yr (eff. 1/1/2020-12/31/2022)
73,058 Ib/yr(eff. 1/1/2023)
A.(l.) EFFLUENT LIMITATIONS AND MONITORING REQUIREMENTS
[15A NCAC 02B .0400 et seq., 02B .0500 et seq.] Grade IV Biological VVPCS [15A NCAC 08G .0302]
During the period beginning with the effective date and lasting until expiration, the Permittee is
authorized to discharge treated wastewater through Outfall 001. Such discharges shall be limited and
monitored by the Permittee as specified below:
1 he monthly average effluent BOD5 and Iotal Suspended Solids concentrations shall not exceed 15% of the
respective influent value (i.e., 85% removal is required).
Sampling must occur on any two non-consecutive days during the calendar week (Sunday through
Saturday).
(Footnotes continue on next page)
NH3 as N
^Apri- 1 thru October 31)
NH3 as N
(November 1 thru March 31)
Fecal Coliform (geometric mean)
Total Residual Chlorine (TRC)3
Temperature (°C)
Dissolved Oxygen
pH
NOj-N + NOj-N (mg/L)
TKN (mg/L)
Total Nitrogen4
7.5 mg/L
T
10.0 mg/L 15.0 mg/L
Permit NC0026441
PERMIT
TO DISCHARGE WASTEWATER UNDER THE
NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM
to receiving waters designated as Ix>ves Creek witliin the Cape Fear River Basin
This permit shall become effective May 1, 2019.
May 31, 2019.
April 30, 2019.
STATE OF NORTH CAROLINA
DEPARTMENT OF ENVIRONMENTAL QUALITY
DIVISION OF WATER RESOURCES
This permit and authorization to discharge shall expire at midnight
Signed this day
Town of Siler City WWTP
370 Waste Treatment Plant Road
Chatham CountyJ
Town of Siler City
is hereby authorized to discharge wastewater from a facility located at the
In compliance with the provisions of North Carolina General Statute 143-215.1, other lawful standards and
regulations promulgated and adopted by the North Carolina Environmental Management Commission, and
the Federal Water Pollution Control Act, as amended, the
in accordance with effluent limitations, monitoring requirements, and other conditions set forth in Parts I,
II, III and IV hereof.
_______________________________
Linda Culpepper, Director
Division of Water Resources
By Authority of the Environmental Management Commission
Permit NC0026441
PART I - MONITORING, CONTROLS, AND LIMITATIONS FOR PERMITTED DISCHARGES
a.
EFFLUENT LIMITS
PARAMETERS
Flow 4.0 MGD Continuous Recording
Total Monthly Flow (MG)Monitor and Report Monthly
5.0 mg/L 7.5 mg/L 2/Week2 Composite
10.0 mg/L 15.0 mg/L 2/Week2 Composite
Total Suspended Solids 1 30.0 mg/L 45.0 mg/L 2/Week2 Composite
1.0 mg/L 3.0 mg/L Daily Composite Effluent
2.0 mg/L 6.0 mg/L Daily Composite Effluent
200/ 100 mL 400/ 100 mL Effluent
17 pg/L Effluent
Grab
TN Load5-6 Calculated Effluent
0.5 mg/L (quarterly average)Weekly Composite Effluent
2.0 mg/L (quarterly average)Weekly Composite Effluent
2.1 pg/ L 15.5 pg/ L
Footnotes:
1.
2.
Part I, Page 1 of 8
Monthly
Average
Weekly
Average
Daily
Maximum
Measurement
Frequency
Recording or
Calculated
Sample
Location
Influent or
Effluent
Influent or
Effluent
Influent and
Effluent
Daily average > 6.0 mg/L
> 6.0 and < 9.0 standard units
Grab
Grab
BOD, 5 day, 20°C 1
(April 1 thru October 31)
BOD, 5 day, 20°C 1
(November 1 thru March 31)
Monthly7
Quarterly7
Quarterly7
Quarterly7
Quarterly
Footnote 9
MONITORING REQUIREMENTS
Sample
Type
Composite
Composite
Composite
Composite
Composite
Footnote 9
Influent and
Effluent
Influent and
Effluent
Effluent
Effluent
Effluent
Effluent
Effluent
Effluent
Effluent
Effluent
Effluent
Effluent
Effluent
Effluent
P/F at 90%
Monitor and Report
Grab
Grab
Composite
Composite
Calculated
2/Week2
Daily
Daily
Daily
Daily
Weekly
Weekly
Weekly
Monthly
Annually
Annually
Monitor and Report (Ib/mo)5
243,455 Ib/yr (eff. 1/1/2020-12/31/2022)
73,058 Ib/yr (eff. 1/1/2023)
NH3 as N
(April 1 thru October 31)______
NH3 as N
(November 1 thru March 31)
Fecal Coliform (geometric mean)
Total Residual Chlorine (TRC)3
Temperature (°C)
Dissolved Oxygen
pH
NOs-N + NO2-N (mg/L)________
TKN (mg/L)
Total Nitrogen4
The monthly average effluent BODs and Total Suspended Solids concentrations shall not exceed 15% of the
respective influent value (i.e., 85% removal is required).
Sampling must occur on any two non-consecutive days during the calendar week (Sunday through
Saturday).
(Footnotes continue on next page)
Total Phosphorus6
(April 1 thru September 30)
Total Phosphorus6
(October 1 through March 31)
Total Cadmium
Total Copper
Total Zinc
Chloride
Chronic Toxicity8
Effluent Pollutant Scan9
A.(l.) EFFLUENT LIMITATIONS AND MONITORING REQUIREMENTS
[15A NCAC 02B .0400 et seq., 02B .0500 et seq.J Grade IV Biological WPCS [15A NCAC 08G .0302]
During tine period beginning with the effective date and lasting until expiration, the Permittee is
authorized to discharge treated wastewater through Outfall 001. Such discharges shall be limited and
monitored by the Permittee as specified below:
Permit NC0026441
PERMIT
TO DISCHARGE WASTEWATER UNDER THE
NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM
Town of Siler City
is hereby authorized to discharge wastewater from a facility located at the
to receiving walers designated as Loves Creek within the Cape Fear River Basin
This permit shall become effective May 1,2019.
This permit and authorization to discharge shall expire at midnight May 31, 2019.
Signed this day April 30, 2019.
In compliance with the provisions of North Carolina General Statute 143-215.1, other lawful standards and
regulations promulgated and adopted by the North Carolina Environmental Management Commission, and
the Federal Water Pollution Control z\ct, as amended, the
in accordance with effluent limitations, monitoring requirements, and other conditions set forth in Parts I,
H, III and IV hereof.
STATE OF NORTH CAROLINA
DEPARTMENT OF ENVIRONMENTAL QUALITY
DIVISION OF WATER RESOURCES
Town of Siler City WWTP
370 Waste Treatment Plant Road
Chatham County
■I< ( I__________
1 inda C ulpepper, Director «
Division of Water Resources
By Authority of the Environmental Management Commission
Permit NC0026441
PAR I I - MONITORING, CONTROI S, AND 1 IMITATIONS FOR PERMUTED DISCHARGES
a.
EFFLUENT LIMITS
PARAMETERS
Flow 4.0 MGD RecordingContinuous
Total Monthly Flow (MG)Monitor and Report Monthly
2/Week:7.5 mg/L Composite
2/Week215.0 mg/L Composite
2/Week'Total Suspended Solids 1 45.0 mg/L Composite
1.0 mg/L 3.0 mg/L EffluentDailyComposite
Composite Effluent2.0 mg/L Daily
Effluent200/ 100 mL Grab
Effluent17 ng/L Grab
Grab Effluent
Grab Effluent
Grab Effluent
Effluent
4
TN Load5’6 Calculated Effluent
EffluentWeeklyComposite0.5 mg/L (quarterly average)
Effluent2.0 mg/L (quarterly average)Weekly Composite
15.5 pg/ L Effluent2.1 pg/ L
Effluent
Effluent
EffluentChloride
Effluent
9 Effluent
Footnotes:
1.
2.
Parti, Page lol 8
Monthly
Average
Weekly
Average
Daily
Maximum
Measurement
Frequency
Recording or
Calculated
Influent and
Effluent
Sample
Location
Total Copper
Total Zinc
Daily average > 6.0 mg/L
> 6.0 and < 9.0 standard units
Composite
Composite
Calculated
Composite
Composite
Composite
Composite
Composite
Footnote 9
Influent and
Effluent
Influent and
Effluent
Influent or
Effluent
Influent or
Effluent
Effluent
Effluent
BOD, 5 day, 20°C 1
(April 1 thru October 31)
BOD, 5 day, 20cC 1
(November 1 thru March 31)
P/F at 90%
Monitor and Report
MONITORING REQUIREMENTS
Sample
Type
2/Week ■’
Daily
Daily
Daily
Daily
Weekly
Weekly
Weekly
Monthly
Annually
Annually
Monitor and Report (lb/mo)5
243,455 Ib/yr (eff. 1/1/2020-12/31/2022)
73,058 Ib/yr (eff. 1/1/2023)
Total Phosphorus5
(April 1 thru September 30)
Total Phosphorus5
(October 1 through March 31)
Total Cadmium Monthly7
Quarterly ’
Quarterly ’
Quarterly ’
Quarterly
Footnote 9
The monthly average effluent BOD5 and Total Suspended Solids concentrations shall not exceed 15% of the
respective influent value (i.e., 85% removal is required).
Sampling must occur on any two non-consecutive days during the calendar week (Sunday through
Saturday).
(Footnotes continue on next page)
NH3 as N
(April 1 thru October 31)
NH3 as N
(November 1 thru March 31)
Fecal Coliform (geometric mean)
Total Residual Chlorine (TRC)3
Temperature (°C)
Dissolved Oxygen
pH
NOj-N + NOrN (mg/L)
TKN (mg/L)
Total Nitrogen
10.0 mg/L _____I
30.0 mg/L
A.(l.) EFFLUENT LIMITATIONS AND MONTI ORING REQUIREMENTS
[ISA NCAC 02B .0400 et seq., 02B .0500 et seq.] Grade IV Biological VVPCS [15A NCAC 08G .0302]
During the period beginning with the effective date and lasting until expiration, the Permittee is
authorized to discharge treated wastewater through Outfall 001. Such discharges shall be limited and
monitored by the Permittee as specified below:
Chronic Toxicity8
Effluent Pollutant Scan
6.0 mg/L j
400/ 100 mL .
5.0 mg/LI--------
*>
Permit NC0026441
PERMIT
TO DISCHARGE WASTEWATER UNDER THE
NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM
Town of Siler City
is hereby authorized to discharge wastewater from a facility located at the
Loves Creek within the Cape Fear River Basin
May 1,2019.This permit shall become effective
.......May 31, 2019.This permit and authorization to discharge shall expire at midnight
April 30, 2019.Signed this day
STATE OF NORTH CAROLINA
DEPARTMENT OF ENVIRONMENTAL QUALITY
DIVISION OF WATER RESOURCES
Town of Siler City WWTP
370 Waste Treatment Plant Road
Chatham Countv
in accordance with effluent limitations, monitoring requirements, and other conditions set forth in Parts I,
II, III and IV hereof.
to receiving waters designated as
________./ ' —----------------------------------
Linda Culpepper, Director
Division of Water Resources
By Authoritv of the Environmental Management Commission
In compliance with the provisions of North C arolina General Statute 143-215.1, other lawful standards and
regulations promulgated and adopted by the North Carolina Environmental Management Commission, and
the Federal Water Pollution Control Act, as amended, the
f
Permit NC0026441
PART I - MONITORING, CON FROLS, AND I IMITATIONS FOR FERMI TIED DISCHARGES
a.
EFFLUENT LIMITS
PARAMETERS
RecordingContinuousFlow
MonthlyMonitor and ReportTotal Monthly Flow (MG)
2/Week;Composite7.5 mg/L5.0 mg/L
2/Week2 Composite15.0 mg/L
2/Week2 Composite45.0 mg/L30.0 mg/LTotal Suspended Solids 1
EffluentCompositeDaily3.0 mg/L1.0 mg/L
EffluentCompositeDaily6.0 mg/L2.0 mg/L
EffluentGrab400/ 100 mL200/ 100 mL
EffluentGrab17 pg/L
EffluentGrab
EffluentGrab
EffluentGrab
Effluent
EffluentCalculatedTN Load5'6
EffluentCompositeWeekly0.5 mg/L (quarterly average)
EffluentCompositeWeekly2.0 mg/L (quarterly average)
Effluent15.5 pg/ L2.1 pg/ L
Effluent
Effluent
EffluentChloride
Effluent
Effluent9
Footnotes:
1.
2.
Part I, Page 1 of 8
Daily average > 6.0 mg/L
> 6.0 and < 9.0 standard units
Total Copper
Total Zinc
Monthly
Average
Weekly
Average
Daily
Maximum
Measurement
Frequency
Recording or
Calculated
Sample
Location
10.0 mg/L _____I
Effluent
Effluent
Monthly ’
Quarterly ’
Quarterly ’
Quarterly7
Quarterly
Footnote 9
2/Week2
Daily
Daily
Daily
Daily
Weekly
Weekly
Weekly_
Monthly
Annually
Annually
Composite
Composite
Calculated
Composite
Composite
Composite
Composite
Composite
Footnote 9
Influent or
Effluent
Influent or
Effluent
Influent and
Effluent
Influent and
Effluent
Influent and
Effluent
BOD, 5 day, 20°C !
(April 1 thru October 31)___
BOD, 5 day, 20cC 1
(November 1 thru March 31)
P/F at 90%
Monitor and Report
MONITORING REQUIREMENTS
Sample
Type
Total Phosphorus5
(April 1 thru September 30)
Total Phosphorus6
(October 1 through March 31)
Total Cadmium
Monitor and Report (lb/mo) -
243,455 Ib/yr (eff. 1/1/2020-12/31/2022)
73,058 Ib/yr (eff. 1/1/2023)
NH> as N
(April 1 thru October 31)
NH-. as N
(November 1 thru March 31)
Fecal Coliform (geometric mean)
Total Residual Chlorine (TRC)3
Temperature (°C) _
Dissolved Oxygen __
pH____________________ ____
NOj-N + NOz-N (mg/L)
TKN (mg/L)_______________
Total Nitrogen4
The monthly average effluent BOD5 and I otal Suspended Solids concentrations shall not exceed 15% of the
respective influent value (i.e., 85% removal is required).
Sampling must occur on any two non-consecutive days during the calendar week (Sunday through
Saturday).
(Footnotes continue on next page)
Chronic Toxicity8
Effluent Pollutant Scan
A.(l.) EFFLUENT LIMITATIONS AND MONITORING REQUIREMENI S
[15A NCAC 02B .0400 et seq., 02B .0500 et seq.] Grade IV Biological WPCS [15A NCAC 08G .0302]
During the period beginning with the effective date and lasting until expiration, the Permittee is
authorized to discharge treated wastewater through Outfall 001. Such discharges shall be limited and
monitored by the Permittee as specified below:
4.0 MGD1-----------