WQCS00010_Annual_Performance_Report_20220701

PUBLIC SERVICES DEPARTMENT
City of High Point, P.O. Box 230, 211 South Hamilton Street, High Point, NC 27261
Fax:[phone] Phone:[phone]
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ANNUAL WASTEWATER REPORT
SEWER COLLECTION AND WASTEWATER TREATMENT FACILITIES
Report for FY 2021-2022
(July 1, 2021, through June 30, 2022)
On July 21, 1999, North Carolina Governor James Hunt signed a law, House Bill 1160, that placed reporting
requirements on the owners or operators of wastewater treatment and wastewater collection facilities in North
Carolina. Part of the legislation was a requirement to provide the user or customers of the system with an
annual report of the past year's performance including a summary of violations.
The purpose of these reports is to provide an understandable and informative description of the wastewater
treatment facilities and sewage collection system, describe the regulations with which these facilities must
comply, and promote a general awareness of these facilities and their role in protecting the environment.
The City of High Point operates two wastewater treatment facilities and a wastewater collection system that
collects and transports the wastewater to each of the two facilities. The names and permit information for
these facilities are listed below as well as those professionals designated by the State of North Carolina as
Operators in Responsible Charge (ORC):
Eastside Wastewater
Treatment Plant
F5898 Riverdale Road
Jamestown, NC 27282
Ph: 336-822-4732
NPDES Permit#: NCO024210
John Thomas, ORC
F
Westside Wastewater Sewage Collection System
Treatment Plant
1044 West Burton Road 816 East Green Street
Thomasville, NC 27360 High Point, NC 2726
Ph: 336-822-4767 Ph: 336-883-3691
NPDES Permit#: NCO024228 Collection Permit #: WQCS00010
Dawn Molnar, ORC
Sarah Beth McAvoy, ORC
This report is available for viewing at City Hall (Public Services) or by logging onto our web site at
www.highpointnc.gov. Customers will be notified of its availability by printed notice on water and sewer bills.
Questions, comments, or requests for additional copies of this report should be directed to the Public Services
Department at 336-883-3215. This report has been completed by staff of the City's Public Services Department
and is accurate to the best of our knowledge and belief.
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RobbVLb.Stone, Director of Public Services
City of High Point I Annual Wastewater Report FY 2021-2022 sm

PUBLIC SERVICES DEPARTMENT ��■�,
City of High Point, P.O. Box 230, 211 South Hamilton Street, High Point, NC 27261 7
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SYSTEM OVERVIEW
The Public Services Department is responsible for operating and maintaining the wastewater collection and
treatment systems. The Divisions in the Department that are involved in wastewater collection and treatment
are: Water & Sewer Mains, Laboratory Services, Maintenance Services, Westside Wastewater Treatment Plant,
Eastside Wastewater Treatment Plant and Residuals Management.
The City's wastewater collection and wastewater treatment facilities provide service to homes, commercial
establishments, and industries. During this reporting period, there were approximately 41,744 connections
through which an average of 17.0 million gallons of wastewater traveled each day. This wastewater was
collected, treated, and then discharged back into the receiving stream. The city also treats wastewater from
the Archdale, Jamestown and Sedgefield communities.
Multiple government agencies assure that stringent standards are met before the treated wastewater can be
released into a receiving stream. These standards are listed in a National Pollutant Discharge Elimination System
(NPDES) permit. Each facility that releases treated wastewater into surface waters, a stream for example, must
possess one of these permits. These permits regulate the type and amounts of pollutants that a facility can
discharge. The discharge limits specified in these permits are based on the ability of the stream to withstand
the addition of pollutants without having any noticeable impact on the water quality of the stream. These
NPDES permits include monitoring requirements and discharge limits. Some vary with seasons and have
different maximums for daily values, weekly averages, monthly averages, and quarterly averages.
Wastewater treatment is a complex process that is often taken for granted. However, it requires expensive
equipment and skilled operations, maintenance, laboratory, solids handling and engineering personnel working
constantly to assure adequate treatment twenty-four hours per day, seven days per week, and 365 days
throughout the year.
COLLECTION SYSTEM OVERVIEW
The City of High Point wastewater collection system consists of approximately
677 miles of gravity wastewater lines; 17 miles of pressurized force mains; 23
wastewater lift stations, and 17,458 manholes. On average, 17.0 million gallons
per day (MGD) of wastewater flowed through this system from homes and
businesses, to either the Eastside or Westside Wastewater Treatment Plant
during the 2021-2022 reporting period.
The collection system consists of both gravity lines and (pressurized) force
mains. Wastewater discharged in neighborhoods flows by gravity into the
collection system. The size of the collection system lines increases to handle the
higher flow as more and more wastewater is collected from outlying areas.
Once the gravity lines get too deep, the flow must be pumped or pushed up, by
the City's lift stations, to a higher elevation where use of the gravity lines will be
resumed. The largest of these collection lines route the wastewater to the two
wastewater treatment plants.
(Right) — W/S Mains Division performing CCTV on a sewer service
City of High Point I Annual Wastewater Report FY 2021-2022 2

PUBLIC SERVICES DEPARTMENT
City of High Point, P.O. Box 230, 211 South Hamilton Street, High Point, NC 27261
Fax:[phone] Phone:[phone]
The lift stations are monitored 24 hours a day for proper operation. The Water/Sewer Mains Division has four
crews that are responsible for line cleaning and emergency response to calls from the public dealing with
collection system problems.
(Right) —Mains Division crew using Vac -Truck to clean debris from manhole
A State mandated fats, oils, and grease (FOG) program is also in effect.
The Collection System maintenance crews work diligently to keep the
lines clean and well -maintained. A concerted effort is necessary
between the city and its citizens to reduce the grease related problems
in the collection system. Despite the City's best efforts, sanitary sewer
overflows (SSO's) happen in High Point, just as they do in every
municipality in North Carolina. An SSO is when wastewater escapes
from the wastewater collection system to the surrounding ground or
nearby surface waters. The North Carolina Division of Water
Resources defines a reportable SSO as any spill to the ground more
than 1000 gallons or any spill, regardless of the amount, which reaches
any surface waters. During this reporting period, the City of High Point
had 21 reportable SSO's. Approximately 30% of SSO's in the City were
attributed to grease, 20%to Inflow and Infiltration, 11%to sewer main
breaks or pump station failures, 23% to debris/other blockages, and
16% to roots. The SSO's are summarized in the Appendix.
What the Mains Division is doing to Prevent/Reduce Spills
• Inspect, repair, rehabilitate or replace sewer lines and pump
stations as needed to eliminate leaks or to increase system
capacity.
■ Inspect and clear collection system lines with cutting and
flushing equipment.
• Educate customers about proper grease disposal.
■ Increase inspection of commercial grease traps in problem
areas.
■ The Public Services Department is pursuing enforcement action for restaurants in
non-compliance with containing grease, fats, and oils.
■ Clear collection system easements to keep roots from growing into collection lines;
limit plantings allowed along easements.
■ Operate and continuous monitoring alarm system at pump stations; maintain and
repair pumps; use generators for backup power; replace pump stations with gravity
sewers when practical; monitor and inspect pump stations to identify repairs needed.
City of High Point I Annual Wastewater Report FY 2021-2022

PUBLIC SERVICES DEPARTMENT
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City of High Point, P.O. Box 230, 211 South Hamilton Street, High Point, NC 27261� .
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Corrective Actions
Follow-up actions depend on the cause and severity of the spill and may include:
■ Clearing of mains.
■ Cleanup
■ Disinfection
■ Inspection
■ Repair, rehabilitate or replacement of pipes
■ Increased inspections or other maintenance as needed
• Replacement of sewers or pump equipment with larger capacity facilities, in some cases.
We ask customers to contact the city if they see debris or trash being deposited into
the collection system.
EASTSIDE WASTEWATER TREATMENT PLANT
The Eastside Wastewater Treatment Plant (WWTP) is a 5-stage
biological nutrient removal (BNR) facility and is currently
permitted to treat 26 million gallons per day (MGD). The BNR
process is for phosphorus and nitrogen removal from
wastewater.
(Left) — Aerial view of Eastside WWTP
An environment is created using influent waste and return
sludge from the secondary clarifiers that encourages the
growth of phosphorus removing bacteria (PAO). The PAOs consume phosphorous at higher -than -normal levels
thus removing it before the water is discharged. In the BNR process, nitrogen is removed in two ways: Ammonia
is converted to nitrate nitrogen by an anaerobic biological process known as nitrification; Nitrate is converted
to nitrogen gas in a process called denitrification. These processes reduce the amount of total nitrogen in the
effluent. The reduction of phosphorous and nitrogen in the plant's effluent helps reduce the potential for algae
growth in Randleman Lake, to which the treated effluent is discharged.
Other treatment processes include screening, grit removal, primary clarification, 5-stage activated sludge,
secondary clarification, alum for additional phosphorus precipitation, effluent filtration, ultraviolet (UV)
disinfection, Dissolved Air Floatation (DAF) thickeners — to thicken sludge prior to dewatering, post aeration,
solids handling (dewatering and incineration), and odor control. All these processes support the biological
treatment necessary to remove pollutants from the wastewater.
The Eastside WWTP treated and discharged an average of 14.52 million gallons per day (MGD) or a total of
4,705.2 million gallons (MG) during the reporting year 2021-2022. During this report period, the Eastside WWTP
received one Notice of Violation (NOV) and two Notice of Deficiencies (NODS). The NOV was for exceedance of
total phosphorus for the month of January 2022. The two NODS were for: (1) Exceedance of total phosphorus
monthly limit (July 2021) and, (2) Failure in toxicity (April 2022).
City of High Point I Annual Wastewater Report FY 2021-2022 sm

PUBLIC SERVICES DEPARTMENT
City of High Point, P.O. Box 230, 211 South Hamilton Street, High Point, NC 27261
Fax:[phone] Phone:[phone]
NORTH CAMLL,WS ft-TERNATIONAL
The staff at the Eastside WWTP are committed to effectively and efficiently treating the incoming waste to
produce and an effluent that meets the standards outlined in its' NPDES permit.
WESTSIDE WASTEWATER TREATMENT PLANT
Westside Wastewater Treatment Plant (WWTP) is
also a 5-Stage Biological Nutrient Removal (BNR)
Facility and is currently permitted to treat 10 million
gallons per day (MGD).
The treatment processes include: a coarse bar screen,
influent lift pumps, fine screening, and grit removal
for preliminary treatment; primary clarification
consists of 2-primary clarifiers; a 5-stage BNR system
that consists of four activated sludge basins; 3
secondary clarifiers for final clarification; alum
addition, for further phosphorus precipitation;
tertiary filtration; Rotary Drum Thickening (RDT), to
thicken sludge prior to dewatering; ultraviolet light
(UV), for disinfection; post -aeration to maintain
dissolved oxygen above 7 milligrams per liter; solids
handling, via centrifuge; and odor control.
The North Carolina Division of Environmental Quality
(NCDEQ) granted Westside WWTP an Authorization to
Operate at 10 MGD beginning July 2021. The increase
in capacity set more stringent effluent limitations and
monitoring requirements for various parameters such
as BOD (Biochemical Oxygen Demand) and ammonia.
(Above) — Employees cleaning a basin of the BNR System
An average of 2.48 MGD or a total of 905.6 million gallons (MG) were treated and discharged during the
reporting year 2021-2022. The Westside WWTP received a NOV for a violation of toxicity limitation for the third
quarter of 2021.
City of High Point I Annual Wastewater Report FY 2021-2022

PUBLIC SERVICES DEPARTMENT
City of High Point, P.O. Box 230, 211 South Hamilton Street, High Point, NC 27261
Fax:[phone] Phone:[phone]
RESIDUALS MANAGEMENT
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The goal of the dedicated staff of Westside Wastewater
Treatment plant is to prevent pollution by removing
contaminants from wastewater producing an effluent that
meets the standards outlined in its' NPDES permit.
(Left) - Employee taking sludge measurements of a Primary Clarifier
(Below) —Aerial view of Westside WWTP
The City's Residuals Management Division has the task of disposing of the wastewater biosolids from the
Eastside Wastewater Treatment Plant, the Westside Wastewater Treatment Plant, and the disposal of alum
sludge solids generated by the Ward Water Plant.
In 2021-2022 Residuals Management processed 56.6
million gallons (MG) of sludge from the two
wastewater plants. The Residual's
operators use two high-speed centrifuges
to dewater the biosolids, producing a
material referred to as "cake'. The "cake"
is about 25% dry solids by weight and
becomes the feedstock for the incinerator.
(Left) Centrifuge at the Eastside WWTP
The Incineration system at Eastside WWTP
is permitted to burn 3000 dry pounds of
biosolids per hour or 36 dry tons of
biosolids per day. This is the equivalent of
six tractor trailer loads of biosolids per day.
This incineration system allows the city to
manage its biosolids disposal in house. The
City of High Point I Annual Wastewater Report FY 2021-2022

PUBLIC SERVICES DEPARTMENT
City of High Point, P.O. Box 230, 211 South Hamilton Street, High Point, NC 27261
Fax:[phone] Phone:[phone]
only material left over after the
incineration process is an inert ash
which is then able to be landfilled. The
volume reduction from dewatered
biosolids to ash is approximately 95%.
The Residuals Management Division is
responsible for maintaining compliance
with EPA and State air quality
standards. Extensive upgrades to the
Incineration system were undertaken
to meet the new Federal MACT
emissions standards. Operating under a
State Air Quality Permit, this Division is
also responsible for overseeing
additional state air quality permits
issued to the City.
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(Above) - Sludge receiving area at the Incinerator Building
Currently, the city is in the planning stages of a centrifuge upgrade at the Westside WWTP with an estimated
completion date of 2023. Residuals Management Division has carried out its mission of providing efficient and prompt
service with its staff of dedicated employees.
MAINTENANCE SERVICES
The Water & Sewer Plant Maintenance Division is responsible for
the repair and maintenance of the city's Eastside Wastewater
Treatment Plant, Westside Wastewater Treatment Plant, Residuals
Management equipment, and 23 wastewater lift stations, as well as
the Ward Water Filtration Plant, two raw water pumping stations,
three water towers, and one ground level water tank. The main
maintenance shop is centrally located at the Ward Water Filtration
Plant, with satellite shops at the Eastside and Westside Wastewater
Treatment Plants. The division is composed of mechanics,
electricians, and electronics technicians that ensure the
performance of equipment through timely response to corrective
maintenance work orders and by performing preventative
maintenance as scheduled.
(Left) — Electronic Technician pulling wires for a repair
The electronics technicians are qualified to perform technical and
skilled work in the maintenance, repair, and replacement of
City of High Point I Annual Wastewater Report FY 2021-2022 Em

PUBLIC SERVICES DEPARTMENT
City of High Point, P.O. Box 230, 211 South Hamilton Street, High Point, NC 27261
Fax:[phone] Phone:[phone]
NORTH CAROLLtiA'S in-rFwWnoxA1. Cm'"
electrical, electronic, and pneumatic equipment at the treatment
and collection facilities. This section consists of individuals who
possess a thorough knowledge and background in troubleshooting
and programming PLC based systems, performing computer based
technical assistance for the wastewater treatment plants, lift
stations and residuals management. The electronics technicians can
create graphic screens and program the Supervisory Control and
Data Acquisition (SCADA) systems. This allows the lift stations and
equipment at the wastewater treatment plants to be monitored and
controlled remotely and, in some cases, controlled from a
centralized location. They also are responsible for installing and
repairing hardware and software for computers and peripheral
devices and creating data bases and spreadsheets so that historical
data can be maintained and accessed daily.
(Right)— Electrician re -wiring a repaired conveyor
The electricians are qualified to repair electric motors, high and low
voltage switching equipment, electrical control systems, and, also,
perform general skilled maintenance. The electrical control systems
include but are not limited to centrifuge and incinerator controls, circuits, lighting, heating and air conditioning
electrical components, UV disinfection systems and diesel generator electrical systems.
The mechanics troubleshoot and repair complex pumping and
wastewater treatment equipment. This includes, but is not
limited to the following: gearboxes, grit collection equipment,
conveyors, mechanical grinders, various types of pumps,
blowers, compressors, mixers, centrifuges, fluidized bed
incinerator, control valves and other process equipment. They
possess technical skills such as proper alignment techniques,
welding, use of a cutting torch and some limited machine shop
skills.
An on -call maintenance team is available after hours,
weekends and holidays to respond to emergency equipment
breakdowns at the wastewater plants, lift stations and
residuals management.
(Left) — Mechanics pulling an influent pump for repair at the Westsid W WTP
City of High Point I Annual Wastewater Report FY 2021-2022 am

PUBLIC SERVICES DEPARTMENT MIwil
City of High Point, P.O. Box 230, 211 South Hamilton Street, High Point, NC 27261iFax:336.883.1675 Phone:[phone] L-
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LABORATORY SERVICES
The City's state certified laboratory is centrally
located at the Frank L. Ward Water Filtration Plant.
The lab provides comprehensive analytical
monitoring and compliance support for the Public
Services Department/Plants Divisions. They ensure
monitoring and reporting compliance with all
permitted State, Federal and local laws, and
ordinances. The laboratory provides necessary and
required testing to ensure safe, clean drinking water,
as well as compliance testing for both wastewater
treatment facilities, as stipulated by their NPDES
permits. On average, the lab reports over 13,000
permit required tests to the state that aid in the safe
and efficient operation of the plants.
(Left) —Analyst running the ICP/MS
The Industrial Pretreatment Program (IPP) manages
industrial, commercial and other types of non-residential
wastewater discharges into the city's sanitary sewer
system in order to protect the system from pollutants that
interfere with the treatment process, are impervious to
the treatment process or are harmful to the plant, sewer
lines or personnel. Industrial Pretreatment Program staff
survey non-residential facilities discharging into the sewer
system and issue permits to those meeting certain criteria
such as the type(s) of waste(s) discharged from their
facility or discharge volume. The issuance of discharge
permit limits is based on Federal categorical pretreatment
regulations, local pollutant limits and the ability of the
treatment plant, either the Eastside WWTP or the
Westside WWTP, to assimilate, treat and remove
substances from the incoming waste stream.
(Above) —Analyst performing field sampling at an industry
A Pretreatment Audit was conducted in August 2021 by NC DWR. There were no shortcomings observed in the
auditor's file review or POTW's (Publicly Owned Treatment Works) industrial inspection.
City of High Point I Annual Wastewater Report FY 2021-2022

PUBLIC SERVICES DEPARTMENT
City of High Point, P.O. Box 230, 211 South Hamilton Street, High Point, NC 27261�
Fax: [phone] Phone: [phone]
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What is the City Response?
The City of High Point is committed to improving and maintaining compliance with all regulations regarding the
wastewater system. Major capital improvement projects include:
• Estimated $13.9M for Riverdale Pump Station repairs and expansion.
• Estimated $9.3M for Registers Creek Lift Station and force main project
• Estimated $2.8M for Waterview Lift Station force main extension project
• Estimated $13.3M for Richland Creek Outfall- Aerial Replacement Project
• Estimated $5.4M for the Whites Mill Lift Station and LaSalle Siphon Upgrade
Customer Responsibilities
The leading cause of overflows is debris and grease blockages in the lines. While the collection system is
designed to handle and safely transport sanitary waste to our treatment plants, too much grease or non -
biodegradable material placed into the system can cause clogs and result in sanitary sewer overflows (SSOs).
Dumping any fats, oils or grease derived from animal and vegetable sources, including meats, nuts, cereals and
beans, down any drain — home or business — can cause a stoppage that forces raw, untreated waste to spill into
our yards, streets, and streams. It is very important to help prevent all foreign materials, such as grease and
other household debris from entering the collection system, as these can cause blockages.
You can help the City of High Point reduce the number of overflows by
following these simple steps:
■ Collect grease, fats, and oils from cooking in a container and dispose of it
in the garbage instead of pouring it down the drain.
■ Always scrape silverware, cookware, and dishes prior to washing.
■ Place food scraps in the garbage for disposal with your household solid
waste.
■ Remember "Wipes Clog Pipes' —so-called "Flushable Wipes" are NOT
FLUSHABLE. Sanitizing wipes should be disposed of in the garbage for
disposal with your household solid waste.
Picture of "flushable wipes" removed from the sewer
collection system that had created a blockage
Please call the City of High Point to report any water main break or sanitary sewer overflow.
To report a problem, please call 883-3111.
Assistance from the Public is appreciated.
City of High Point I Annual Wastewater Report FY 2021-2022

PUBLIC SERVICES DEPARTMENT rti
��City of High Point, P.O. Box 230, 211 South Hamilton Street, High Point, NC 27261 �4 rAg
Fox:336.883.1675 Phone:[phone] � -s
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SANITARY SEWER OVERFLOWS (SSO'S)
APPENDIX 2021-2022
DATE
LOCATION OF SSO
TOTAL
SPILL
CAUSE
Debris
-
CORRECTIVE ACTION
1-Jul-21
1001 S Centennial S.
40 gallons
Cleared/Placed on root
control program
6-Jul-21
613 Piedmont Crossing Dr
975 gallons
Debris
Cleared debris from line
15-Aug-21
1840 Blaines Street
300 gallons
Grease
Removed grease and
jetted line
6-Oct-21
308 E Parkway Avenue
130 gallons
Roots
Flushed and rodded. Added
to root control program.
6-Oct-21
154 Kenilworth Drive
60 gallons
Grease
Removed Grease and
jetted line
14-Oct-21
906 Edinburgh Drive
35 gallons
Debris
Flushed line
8-Nov-21
909 Park Wood Circle
80 gallons
Grease
Flushed and rodded line
4-Dec-21
1805 Fern Avenue
360 gallons
Grease
Removed grease and
flushed line
12-Dec-21
214 Rankin Place (*)
1143 gallons
Grease
Flushed line
12-Dec-21
1900 Fern Avenue (*)
1075 gallons
Grease
Flushed line
23-Dec-21
1724 Hamilton Street (*)
7850 gallons
Grease
Removed grease and
flushed line
2-Feb-22
3232 Bowers Avenue (*)
1200 gallons
Grease
Flushed and rodded line
8-Feb-22
1101 Tipton Street
55 gallons
Grease
Flushed line
14-Feb-22
1254 Westminster Drive (*)
330 gallons
Grease/Roots
Flushed line
2-Mar-22
1609 Lazy Lane (*)
1800 gallons
Grease
Flushed line
21-Mar-22
131 James Road
585 gallons
Grease,
Roots, Debris
Flushed line
28-May-22
2604 Sulfolk Avenue
198 gallons
Pipe Failure
Replaced stack
2-Jun-22
6150 Red Cedar Drive
1500 gallons
Grease
Flushed line with degreaser
16-1un-22
1804 Briarcliff Court
660 gallons
Grease
Flushed line
21-Jun-22
Pipe Crossing Rich Fork
Creek/Old Plank Road
4612 gallons
Pipe Failure
Replaced section of pipe
26-Jun-22
1 2546 Ingleside Drive
1 446 gallons
Grease
Flushed line
SEE LISTING ON FOLLOWING PAGE *NOTICE OF VIOLATION "NOTICE OF INTENT
City of High Point I Annual Wastewater Report FY 2021-2022 11

PUBLIC SERVICES DEPARTMENT
City of High Point, P.O. Box 230, 211 South Hamilton Street, High Point, NC 27261
Fax:[phone] Phone:[phone]
*NOTICE OF VIOLATIONS
DECEMBER 2021
214 Rankin Place
1900 Fern Avenue
1724 Hamilton Street
FEBRUARY 2022
3232 Bowers Avenue
1254 Westminster Drive
MARCH 2O22
1609 Lazy Lane
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WASTEWATER TREATMENT PLANTS —REPORTABLE STORMWATER SPILLS
EASTSIDE WWTP
CORRECTIVE
DATE
LOCATION
TOTAL (GAL.)
CAUSE
ACTION
Failed pipe
Pipe repaired by
02-OCT-21
Ash Lagoon
435 gallons
underground (*)
contractor
Contained leak;
Ash decant
Cleaned spill;
16-FEB-22
Ash Lagoon
37.5 gallons
pump clog
Unclogged pump
Failed pipe
Pipe repaired by
17-FEB-22
Ash Lagoon
445 gallons
underground (*)
contractor
Failed pipe
Pipe repaired by
4-MAR-22
Ash Lagoon
392 gallons
underground (*)
contractor
Valve to hydrant
closed; Hydrant
Non -Potable
repaired by
12-APR-22
Water Hydrant
233 gallons
Hydrantleak
contractor
(*) The Engineering Services Department finalized the engineering design work for the replacement
ash decant line to help minimize the ash decant spills. In April 2022, a new decant pipeline was
installed and put into service.
WESTSIDE WWTP
— No reportable spills.
City of High Point I Annual Wastewater Report FY 2021-2022