NC0021211_System Performance Annual Report_20230906

C I T Y O F
G R A H A M
' ry U R i H CAROL 1 N n'
RECEIVED
SEP 06 2023
NCDEQ/DWR/NPDES
August 31, 2023
NCDEQ / DWR
Point Source Compliance and Enforcement Unit
1617 Mail Service Center
Raleigh, NC 27699-1617
RE: System Performance Annual Report
City of Graham, Alamance County
Please find enclosed three (3) copies of the System Performance Annual Report for the
City of Graham, NPDES Permit No. NCO021211 and Collection System Permit No.
WQCS00065. This is a requirement of House Bill 1160, the Clean Water Act of 1999.
Additionally, I have attached a copy of the Public Notice advising the City's customers
and users of the availability of the report. If you have any questions regarding this report
please contact me at 336.570.6721.
Sincerely,
onya 1Vlann
Utilities Director
Cc: Aaron Holland, Asst. Manager, City of Graham
Cris Routh, Superintendent, WWTP
Kenny Hill, Field Operations Manager

AFFP
City of Graham Annual Report
Affidavit of Publication
STATE OF NC } SS
COUNTY OF }
Ci I ►'),G nC,�
Brenda Poole, being duly sworn, says:
That she is Classified Rep of the The Times News, a daily
newspaper of general circulation, printed and published in
Burlington, County, NC; that the publication, a copy of
which is attached hereto, was published in the said
newspaper on the following dates:
August 17, 2023
That said newspaper was regularly issued and circulated
on those dates.
SIGNED:
/- &,
Classified Rep
Subscribed to and sworn to me this 17th day of August
2023.
'R ILL J__':1
D nise Greenwell otary Ran olph, County, NC
My commission expires. April 12, 2028
DENISE GREENWE Wt.^---�
NOTARY PUBLIC
70101258 70747318 Randolph County, North Carolina
My Commission Expires April 12, 202%.
Tonya Mann
City of Graham
PO Drawer 357
Graham, NC 27253
Public Notice
City of Graham
Annual Report
House Bill 1160, the Clean Wa-
ter Act of 1999 requires that
each owner or operator of any
wastewater treatment works or
wastewater collection system
provide an Annual Report to its
users and customers. The City
of Graham owns, and operates
a collection system and
wastewater treatment facility.
The City of Graham has com-
pleted the Annual Deport for
fiscal year 2022-2023 and a
copy is available at the City Mu-
nicipal Building located at 201
S. Main St. in Graham, NC. Ad-
ditionally, the report is avail-
able via the Internet at the
City"s websitE: which is
www.cityofgraham.com. Any
questions or comments regard-
ing the report may be directed
to Cris Routh: Plant Superin-
tendent or Tonya Mann. Utilit-
ies Director at 336.570.6721.
1 t . Ci/ 171112023

CITY OF GRAHAM
2022-2023
ANNUAL PERFORMANCE REPORT
OF
WASTEWATER TREATMENT OPERATION AND
COLLECTION
GENERAL INFORMATION
Facility/System Name: City of Graham Wastewater Treatment Plant
Responsible Entity: City of Graham
Person in Charge/Contact:
Tonya Mann, Utilities Director, at 336.570.6721
Cris Routh, Wastewater Plant Superintendent, at 336.570.6721
Kenny Hill, Distribution & Collection Superintendent, at 336.570.6721
Applicable Permit(s): NPDES Permit: NCO021211
Non -Discharge Permit: WQ0003824
Collection System Permit: WQCS00065
Description of Collection System and Treatment Process
The City of Graham operates a Public Owned Treatment Works consisting of a
North Carolina Grade II Collection System and a North Carolina Grade IV
Wastewater Treatment Plant.
The collection system operates under a North Carolina Division of Water
Quality Collection System Permit and contains approximately 89 miles of piping and
six lift stations. The lift stations are named Back Creek No. 2, Boyd Creek, Cherry
Lane, Haw River, Old Fields, and Pyrtle Drive.
The wastewater treatment facility has a permitted flow of 3.5 million gallons
per day (MGD). This facility consists of bar screens, grit collectors, primary
clarification, extended aeration, final clarifiers, chlorination, post chlorination basin,
de -chlorination, digestion, lime stabilization, sludge disposal, and laboratory. Effluent
is discharged to the Haw River designated as Nutrient Sensitive Waters (NSW),
which is part of the Cape Fear River Basin.

Performance
Text Summary of the System Performance for the Period of July 1, 2022 to June 30,
2023.
Collection System: The City of Graham collection system is a combination of
gravity and forced mains. The city is proactive in monitoring and utilizing various
methods to maintain the wastewater collection system. An education program is in
place to inform water customers about the impact of improper disposal of Fats, Oils
and Grease (FOG). Over 10% of the collection system is hydraulically cleaned
annually. Chemical treatment, closed circuit inspection and rehab projects are just a
few methods we implement to reduce and eliminate service outages and overflows.
During the past fiscal year, the collection experienced one reportable wastewater
overflows.
Lift Stations: The City of Graham operates six lift stations that are maintained by
Collection and Distribution personnel. During this reporting period, the lift stations
had no reportable sewer overflows.
Wastewater Treatment Plant: The City of Graham Wastewater Treatment Plant's
permit has limits on Flow, Biological Oxygen Demand, Total Suspended Solids,
Ammonia, Dissolved Oxygen, Fecal Coliform, Chronic Toxicity, and Total
Phosphorus. Additional testing is performed for Total Residual Chlorine,
Temperature, Conductivity, Copper, Mercury, and Zinc. Each month this data is
reported to the state thru the electronic Discharge Monitoring Report (eDMR). The
City is a member of The Upper Cape Fear River Basin Dischargers Coalition that
performs monitoring upstream and downstream of our discharge point on the Haw
River as well as other locations on the Haw and Deep Rivers. The Wastewater
Treatment Plant had one reportable sewer overflow and six exceedances of its
NPDES permit.
Non -Discharge Permit: The City of Graham land applies biosolids to agricultural
land under regulations of the Environmental Protection Agency and the State of
North Carolina. The City of Graham had no violations in the past year.
Violations of permit conditions or other environmental regulations
relating to water quality from the above areas
January 16, 2023. Sewer Overflow: A reportable sewer overflow of 300 gallons of
untreated sewage from the Trollingwood Road manhole #00267 spilled into "Haw
River" and entered the Cape Fear River Basin. The spill was a result of root
intrusion. Corrective actions were taken and service was restored.
2

W-1
June 1-3, 2023. NPDES Permit: The Wastewater Plant exceeded its weekly BOD
average. The limit is a weekly average of 18.0 milligrams per liter (mg/L) of effluent.
The City's average for the week was 42.7 mg/L. A brief upset of the plant was
caused by returned sludge into the plant process. By the next week, the plant was
back in compliance.
June 1-3, 2023. NPDES Permit: The Wastewater Plant exceeded its weekly TSS
average. The limit is a weekly average of 45 mg/L of effluent. The City's average for
the week was 132.5 mg/L. A brief upset of the plant was caused by returned sludge
into the plant process. By the next week, the plant was back in compliance.
June 7, 2023. Sludge line spill: A reportable overflow of 73,708 gallons (none of
which reached Town Branch Creek) untreated sewage spilled near the Digester
building. The spill was caused when a sludge line was struck by construction
equipment. Corrective actions were taken and the spill ceased.
June 25-30, 2023. NPDES Permit: The Wastewater Plant exceeded its weekly
BOD average. The limit is a weekly average of 18.0 milligrams per liter (mg/L) of
effluent. The City's average for the week was 25.7 mg/L. A brief upset of the plant
was caused by excessive rainfall June 20th-24tn By the next week, the plant was
back in compliance.
June 2023. NPDES Permit: The Wastewater Plant exceeded its monthly Effluent
Ammonia limit average. The limit is a monthly average of 4.0 mg/L. The City's
average for the month of June was 5.2 mg/L. Insufficient aerator run times and
excessive rainfall June 20th-24th resulting in high flows upset our plant. Ammonia
monthly average was back in compliance by the next month.
June 2023. NPDES Permit: The Wastewater Plant exceeded its monthly Effluent
TSS limit average. The limit is a monthly average of 30 mg/L. The City's average for
the month of June was 34.2 mg/L. Returned sludge into the plant process at the
beginning of the month and excessive rainfall June 20th-24th resulting in high flows
upset our plant. TSS monthly average was back in compliance by the next month
June 2023. NPDES Permit: The Wastewater Plant exceeded its monthly Effluent
BOD limit average. The limit is a monthly average of 12.0 mg/L. The City's average
for the month of June was 18.3 mg/L. Returned sludge into the plant process at the
beginning of the month and excessive rainfall June 20th-24th resulting in high flows
upset our plant. BOD monthly average was back in compliance by the next month
SUMMARY
During this 12-month period, there were six NPDES permit violations out of
more than 2,400 sample results.
The City of Graham had one reportable sanitary sewer overflow of 1,000
gallons or more during this reporting period. The total gallons of overflow were
73,708.
3

A
Total gallons handled by the system were 652,170,000. Percent gallons
overflowed are 74,008 divided by 652,170,000 x 100 = 0.011 %. Therefore, the City
of Graham achieved a 99.989 % collection rate of all gallons discharged into the
system, excluding any spills that were less than 1,000 gallons.
All sludge was land applied per Land Application Permit regulations with no
permit violations.
Notification
A Public Notice was placed in a local newspaper informing the public that a
copy of this report can be obtained at the City of Graham, City Hall located at 201
South Main Street, Graham, NC. Additionally, this report is also, available on the
Internet at http://www.cityofgraham.com/
I certify under penalty of law that this report is complete and accurate to the best of
my knowledge. I further certify that this report has been made available to the users
or customers of the named system and that those users have been notified of its
availability.
(Date) g- 30 • Z3
ZonyaoMann
Utilities Director
City of Graham
0

CITY OF GRAHAM
2022-2023
ANNUAL PERFORMANCE REPORT
OF
WASTEWATER TREATMENT OPERATION AND
COLLECTION
GENERAL INFORMATION
Facility/System Name: City of Graham Wastewater Treatment Plant
Responsible Entity: City of Graham
Person in Charge/Contact:
Tonya Mann, Utilities Director, at 336.570.6721
Cris Routh, Wastewater Plant Superintendent, at 336.570.6721
Kenny Hill, Distribution & Collection Superintendent, at 336.570.6721
Applicable Permit(s): NPDES Permit: NCO021211
Non -Discharge Permit: WQ0003824
Collection System Permit: WQCS00065
Description of Collection System and Treatment Process
The City of Graham operates a Public Owned Treatment Works consisting of a
North Carolina Grade II Collection System and a North Carolina Grade IV
Wastewater Treatment Plant.
The collection system operates under a North Carolina Division of Water
Quality Collection System Permit and contains approximately 89 miles of piping and
six lift stations. The lift stations are named Back Creek No. 2, Boyd Creek, Cherry
Lane, Haw River, Old Fields, and Pyrtle Drive.
The wastewater treatment facility has a permitted flow of 3.5 million gallons
per day (MGD). This facility consists of bar screens, grit collectors, primary
clarification, extended aeration, final clarifiers, chlorination, post chlorination basin,
de -chlorination, digestion, lime stabilization, sludge disposal, and laboratory. Effluent
is discharged to the Haw River designated as Nutrient Sensitive Waters (NSW),
which is part of the Cape Fear River Basin.

Performance
Text Summary of the System Performance for the Period of July 1, 2022 to June 30,
2023.
Collection System: The City of Graham collection system is a combination of
gravity and forced mains. The city is proactive in monitoring and utilizing various
methods to maintain the wastewater collection system. An education program is in
place to inform water customers about the impact of improper disposal of Fats, Oils
and Grease (FOG). Over 10% of the collection system is hydraulically cleaned
annually. Chemical treatment, closed circuit inspection and rehab projects are just a
few methods we implement to reduce and eliminate service outages and overflows.
During the past fiscal year, the collection experienced one reportable wastewater
overflows.
Lift Stations: The City of Graham operates six lift stations that are maintained by
Collection and Distribution personnel. During this reporting period, the lift stations
had no reportable sewer overflows.
Wastewater Treatment Plant: The City of Graham Wastewater Treatment Plant's
permit has limits on Flow, Biological Oxygen Demand, Total Suspended Solids,
Ammonia, Dissolved Oxygen, Fecal Coliform, Chronic Toxicity, and Total
Phosphorus. Additional testing is performed for Total Residual Chlorine,
Temperature, Conductivity, Copper, Mercury, and Zinc. Each month this data is
reported to the state thru the electronic Discharge Monitoring Report (eDMR). The
City is a member of The Upper Cape Fear River Basin Dischargers Coalition that
performs monitoring upstream and downstream of our discharge point on the Haw
River as well as other locations on the Haw and Deep Rivers. The Wastewater
Treatment Plant had one reportable sewer overflow and six exceedances of its
NPDES permit.
Non -Discharge Permit: The City of Graham land applies biosolids to agricultural
land under regulations of the Environmental Protection Agency and the State of
North Carolina. The City of Graham had no violations in the past year.
Violations of permit conditions or other environmental regulations
relating to water quality from the above areas
January 16, 2023. Sewer Overflow: A reportable sewer overflow of 300 gallons of
untreated sewage from the Trollingwood Road manhole #00267 spilled into "Haw
River" and entered the Cape Fear River Basin. The spill was a result of root
intrusion. Corrective actions were taken and service was restored.

June 1-3, 2023. NPDES Permit: The Wastewater Plant exceeded its weekly BOD
average. The limit is a weekly average of 18.0 milligrams per liter (mg/L) of effluent.
The City's average for the week was 42.7 mg/L. A brief upset of the plant was
caused by returned sludge into the plant process. By the next week, the plant was
back in compliance.
June 1-3, 2023. NPDES Permit: The Wastewater Plant exceeded its weekly TSS
average. The limit is a weekly average of 45 mg/L of effluent. The City's average for
the week was 132.5 mg/L. A brief upset of the plant was caused by returned sludge
into the plant process. By the next week, the plant was back in compliance.
June 7, 2023. Sludge line spill: A reportable overflow of 73,708 gallons (none of
which reached Town Branch Creek) untreated sewage spilled near the Digester
building. The spill was caused when a sludge line was struck by construction
equipment. Corrective actions were taken and the spill ceased.
June 25-30, 2023. NPDES Permit: The Wastewater Plant exceeded its weekly
BOD average. The limit is a weekly average of 18.0 milligrams per liter (mg/L) of
effluent. The City's average for the week was 25.7 mg/L. A brief upset of the plant
was caused by excessive rainfall June 20th-24th. By the next week, the plant was
back in compliance.
June 2023. NPDES Permit: The Wastewater Plant exceeded its monthly Effluent
Ammonia limit average. The limit is a monthly average of 4.0 mg/L. The City's
average for the month of June was 5.2 mg/L. Insufficient aerator run times and
excessive rainfall June 20th-24th resulting in high flows upset our plant. Ammonia
monthly average was back in compliance by the next month.
June 2023. NPDES Permit: The Wastewater Plant exceeded its monthly Effluent
TSS limit average. The limit is a monthly average of 30 mg/L. The City's average for
the month of June was 34.2 mg/L. Returned sludge into the plant process at the
beginning of the month and excessive rainfall June 20th-24th resulting in high flows
upset our plant. TSS monthly average was back in compliance by the next month
June 2023. NPDES Permit: The Wastewater Plant exceeded its monthly Effluent
BOD limit average. The limit is a monthly average of 12.0 mg/L. The City's average
for the month of June was 18.3 mg/L. Returned sludge into the plant process at the
beginning of the month and excessive rainfall June 20th-24th resulting in high flows
upset our plant. BOD monthly average was back in compliance by the next month
SUMMARY
During this 12-month period, there were six NPDES permit violations out of
more than 2,400 sample results.
The City of Graham had one reportable sanitary sewer overflow of 1,000
gallons or more during this reporting period. The total gallons of overflow were
73,708.
3

Total gallons handled by the system were 652,170,000. Percent gallons
overflowed are 74,008 divided by 652,170,000 x 100 = 0.011 %. Therefore, the City
of Graham achieved a 99.989 % collection rate of all gallons discharged into the
system, excluding any spills that were less than 1,000 gallons.
All sludge was land applied per Land Application Permit regulations with no
permit violations.
Notification
A Public Notice was placed in a local newspaper informing the public that a
copy of this report can be obtained at the City of Graham, City Hall located at 201
South Main Street, Graham, NC. Additionally, this report is also, available on the
Internet at http://www.citVofgraham.com/
I certify under penalty of law that this report is complete and accurate to the best of
my knowledge. I further certify that this report has been made available to the users
or customers of the named system and that those users have been notified of its
availability.
��.�.►� (Date) V •30 • Z.3
Tonya Mann
Utilities Director
City of Graham
2

CITY OF GRAHAM
2022-2023
ANNUAL PERFORMANCE REPORT
OF
WASTEWATER TREATMENT OPERATION AND
COLLECTION
GENERAL INFORMATION
Facility/System Name: City of Graham Wastewater Treatment Plant
Responsible Entity: City of Graham
Person in Charge/Contact:
Tonya Mann, Utilities Director, at 336.570.6721
Cris Routh, Wastewater Plant Superintendent, at 336.570.6721
Kenny Hill, Distribution & Collection Superintendent, at 336.570.6721
Applicable Permit(s): NPDES Permit: NCO021211
Non -Discharge Permit: W00003824
Collection System Permit: WQCS00065
Description of Collection System and Treatment Process
The City of Graham operates a Public Owned Treatment Works consisting of a
North Carolina Grade II Collection System and a North Carolina Grade IV
Wastewater Treatment Plant.
The collection system operates under a North Carolina Division of Water
Quality Collection System Permit and contains approximately 89 miles of piping and
six lift stations. The lift stations are named Back Creek No. 2, Boyd Creek, Cherry
Lane, Haw River, Old Fields, and Pyrtle Drive.
The wastewater treatment facility has a permitted flow of 3.5 million gallons
per day (MGD). This facility consists of bar screens, grit collectors, primary
clarification, extended aeration, final clarifiers, chlorination, post chlorination basin,
de -chlorination, digestion, lime stabilization, sludge disposal, and laboratory. Effluent
is discharged to the Haw River designated as Nutrient Sensitive Waters (NSW),
which is part of the Cape Fear River Basin.

Performance
Text Summary of the System Performance for the Period of July 1, 2022 to June 30,
2023.
Collection System: The City of Graham collection system is a combination of
gravity and forced mains. The city is proactive in monitoring and utilizing various
methods to maintain the wastewater collection system. An education program is in
place to inform water customers about the impact of improper disposal of Fats, Oils
and Grease (FOG). Over 10% of the collection system is hydraulically cleaned
annually. Chemical treatment, closed circuit inspection and rehab projects are just a
few methods we implement to reduce and eliminate service outages and overflows.
During the past fiscal year, the collection experienced one reportable wastewater
overflows.
Lift Stations: The City of Graham operates six lift stations that are maintained by
Collection and Distribution personnel. During this reporting period, the lift stations
had no reportable sewer overflows.
Wastewater Treatment Plant: The City of Graham Wastewater Treatment Plant's
permit has limits on Flow, Biological Oxygen Demand, Total Suspended Solids,
Ammonia, Dissolved Oxygen, Fecal Coliform, Chronic Toxicity, and Total
Phosphorus. Additional testing is performed for Total Residual Chlorine,
Temperature, Conductivity, Copper, Mercury, and Zinc. Each month this data is
reported to the state thru the electronic Discharge Monitoring Report (eDMR). The
City is a member of The Upper Cape Fear River Basin Dischargers Coalition that
performs monitoring upstream and downstream of our discharge point on the Haw
River as well as other locations on the Haw and Deep Rivers. The Wastewater
Treatment Plant had one reportable sewer overflow and six exceedances of its
NPDES permit.
Non -Discharge Permit: The City of Graham land applies biosolids to agricultural
land under regulations of the Environmental Protection Agency and the State of
North Carolina. The City of Graham had no violations in the past year.
Violations of permit conditions or other environmental regulations
relating to water quality from the above areas
January 16, 2023. Sewer Overflow: A reportable sewer overflow of 300 gallons of
untreated sewage from the Trollingwood Road manhole #00267 spilled into "Haw
River" and entered the Cape Fear River Basin. The spill was a result of root
intrusion. Corrective actions were taken and service was restored.
0

_k
June 1-3, 2023. NPDES Permit: The Wastewater Plant exceeded its weekly BOD
average. The limit is a weekly average of 18.0 milligrams per liter (mg/L) of effluent.
The City's average for the week was 42.7 mg/L. A brief upset of the plant was
caused by returned sludge into the plant process. By the next week, the plant was
back in compliance.
June 1-3, 2023. NPDES Permit: The Wastewater Plant exceeded its weekly TSS
average. The limit is a weekly average of 45 mg/L of effluent. The City's average for
the week was 132.5 mg/L. A brief upset of the plant was caused by returned sludge
into the plant process. By the next week, the plant was back in compliance.
June 7, 2023. Sludge line spill: A reportable overflow of 73,708 gallons (none of
which reached Town Branch Creek) untreated sewage spilled near the Digester
building. The spill was caused when a sludge line was struck by construction
equipment. Corrective actions were taken and the spill ceased.
June 25-30, 2023. NPDES Permit: The Wastewater Plant exceeded its weekly
BOD average. The limit is a weekly average of 18.0 milligrams per liter (mg/L) of
effluent. The City's average for the week was 25.7 mg/L. A brief upset of the plant
was caused by excessive rainfall June 20th-24th. By the next week, the plant was
back in compliance.
June 2023. NPDES Permit: The Wastewater Plant exceeded its monthly Effluent
Ammonia limit average. The limit is a monthly average of 4.0 mg/L. The City's
average for the month of June was 5.2 mg/L. Insufficient aerator run times and
excessive rainfall June 20th-24th resulting in high flows upset our plant. Ammonia
monthly average was back in compliance by the next month.
June 2023. NPDES Permit: The Wastewater Plant exceeded its monthly Effluent
TSS limit average. The limit is a monthly average of 30 mg/L. The City's average for
the month of June was 34.2 mg/L. Returned sludge into the plant process at the
beginning of the month and excessive rainfall June 20th-24th resulting in high flows
upset our plant. TSS monthly average was back in compliance by the next month
June 2023. NPDES Permit: The Wastewater Plant exceeded its monthly Effluent
BOD limit average. The limit is a monthly average of 12.0 mg/L. The City's average
for the month of June was 18.3 mg/L. Returned sludge into the plant process at the
beginning of the month and excessive rainfall June 20th-24th resulting in high flows
upset our plant. BOD monthly average was back in compliance by the next month
SUMMARY
During this 12-month period, there were six NPDES permit violations out of
more than 2,400 sample results.
The City of Graham had one reportable sanitary sewer overflow of 1,000
gallons or more during this reporting period. The total gallons of overflow were
73,708.
3

I --
Total gallons handled by the system were 652,170,000. Percent gallons
overflowed are 74,008 divided by 652,170,000 x 100 = 0.011 %. Therefore, the City
of Graham achieved a 99.989 % collection rate of all gallons discharged into the
system, excluding any spills that were less than 1,000 gallons.
All sludge was land applied per Land Application Permit regulations with no
permit violations.
Notification
A Public Notice was placed in a local newspaper informing the public that a
copy of this report can be obtained at the City of Graham, City Hall located at 201
South Main Street, Graham, NC. Additionally, this report is also, available on the
Internet at http://www.cityofgraham.com/
I certify under penalty of law that this report is complete and accurate to the best of
my knowledge. I further certify that this report has been made available to the users
or customers of the named system and that those users have been notified of its
availability.
�c�-w-- (Date) 3 o Z3
Tonya Mann
Utilities Director
City of Graham
0