WQ0006085_Annual Report_20220729

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Brunswick County Public Utilities JUL 2 9 2022
Wastewater Collection and Treatment System Annual Report NCDEQIDWRINPDE
July 1, 2021,through June 30, 2022
System Overview
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History
In the late 90s, Brunswick County began operating its first wastewater treatment plant (WWTP) to serve the Leland
Industrial Park. Around this same timeframe, many developers constructed small metallic "package" wastewater
treatment plants in order to treat wastewater from their individual residential developments. In early 2000,Brunswick
County began design and construction of the Northeast Brunswick Regional Water Reclamation Facility located in the
Town of Navassa.This project was completed in the summer of 2003 with an initial treatment capacity of 1.65 million
gallons per day (MGD). Due to increasing demand for sewer, the Northeast Brunswick Regional Water Reclamation
Facility treatment capacity was upgraded to 2.475 million gallons per day in 2013. High residential growth demand in
the area served by the Northeast Brunswick Regional WWTP has continued and an additional expansion was needed.
In August of 2019, Brunswick County received both a National Pollutant Discharge Elimination System (NPDES) permit
renewal and North Carolina Department of Environmental Quality Authorization to Construct for an additional 2.5

MGD upgrade of this facility for a total capacity of 4.975 MGD. The construction has now been completed and the
facility is certified. This facility provides sewer treatment for Brunswick County, the Town of Leland, the Town of
Navassa, the City of Northwest, and residents within Brunswick Regional Water & Sewer H2GO's district (Town of
Belville, part of the Town of Leland, and some unincorporated areas).
In 2004, Brunswick County acquired assets of the South Brunswick Water and Sewer Authority(SBWASA)and Carolina
Blythe Utilities which provided sewer service to communities in the southern part of Brunswick County including the
Towns of Calabash and Carolina Shores. Carolina Blythe Utilities' Carolina Shores Wastewater Treatment Plant,
originally constructed in the late 1970's, is an extended aeration tertiary treatment plant with a sewer treatment
capacity of 530,000 gallons per day. SBWASA's Sea Trail WWTP originally served the Sea Trail development in the
Town of Sunset Beach and had a 200,000 gallon per day sewage treatment capacity. In 2007, Brunswick County
expanded the treatment capacity of this non-discharge WWTP to 300,000 gallons per day. In 2010, Brunswick County
completed construction of a sewer collection system for those areas within the Town of Calabash not yet having sewer
service and in 2012 the Sunset Beach sewer system was completed by the County. Both of these sewer collection
systems convey wastewater to the Sea Trail WWTP. Since acquiring the aging SBWASA and Carolina Blythe Utilities
systems, Brunswick County has made significant improvements to both the sewer treatment facilities and the sewer
collection systems. Many of the sewer pump stations contributing sewer flow to these WWTPs have been
rehabilitated and significant improvements to both WWTPs have been constructed including flow equalization,
diversion pump stations with interconnection force mains, process improvements, and capacity improvements.
The largest of the County's sewer treatment facilities,the West Brunswick Regional Water Reclamation Facility located
in Supply, NC, was completed in 2006 to serve the unincorporated areas in central Brunswick County; the Towns of
Supply, Bolivia, Holden Beach, St. James; and portions of Shallotte. Once completed, the existing 'package' plants
serving Brunswick Community College,Winding River development,and the Town of St.James along with a facultative
lagoon serving the Brunswick County Government Complex were taken out of service and all sewer flow was diverted
to the new facility. As part of the agreement with the Town of Shallotte, Brunswick County assumed ownership of the
Town of Shallotte's WWTP. This WWTP is a facultative lagoon, non-discharge facility with a treatment capacity of
500,000 gallons per day. Due to subsequent piping improvements constructed by Brunswick County, excess flow to
the Shallotte WWTP can be diverted to the West Brunswick Regional Water Reclamation Facility. A 3 million
gallon/day expansion to the West Brunswick Water Reclamation Facility was completed in 2009 to accommodate
sewer treatment for the Town of Oak Island's sewer collection system. This brought the total sewer treatment
capacity for the extended aeration tertiary treatment non-discharge facility to 6 million gallons per day. The plant
contains a septage receiving station for septic haulers pumping wastewater from septic systems. In 2008,the City of
Southport entered an agreement with Brunswick County and subsequently completed a connection to the regional
transmission system to convey wastewater to the West Brunswick facility for treatment. An additional agreement
with the City of Southport in 2020 allowed them to join the West Brunswick Regional Water Reclamation Facility as a
participant in the regional system. As part of the agreement, the City of Southport is funding a .75 MGD treatment
plant known as the Mulberry Branch WWTP.The facility will be located on property owned by Brunswick County near
the existing Shallotte WWTP.Upon completion of the facility,the total system capacity of the West Brunswick Regional
Water Reclamation system will be 7.25 MGD. The Mulberry Branch WWTP has been designed, permitted and an
authorization to construct has been issued. Construction will begin construction in the fall of 2022, It is anticipated
the construction will be completed in the fall of 2024.
Brunswick County and the Town of Ocean Isle Beach reached an agreement in 2012 whereby the Town conveyed the
Ocean Isle Beach WWTP to the County. This facility is permitted to treat 1.050 MGD and includes a diversion pump
station and force main that allows a monthly average of 0.293 MGD to be transferred to the WBR Facility for
treatment.

In November of 2015,the Town of Caswell Beach conveyed its utility system to Brunswick County. The Caswell Beach
sewer collection system is a combination of gravity, low pressure, and vacuum systems that conveys wastewater to
the Town of Oak Island's Fish Factory Road WWTP for treatment.
In January of 2020,the City of Northwest conveyed its utility system to Brunswick County.The sewer collection system
is a combination of low pressure and vacuum that conveys wastewater to the Northeast Brunswick Regional WWTP.
In July of 2020,the Town of Navassa conveyed its entire utility system (both water and sewer)to Brunswick County.
The sewer collection system consists of gravity sewer that conveys wastewater to the Northeast Brunswick Regional
WWTP.
Overall, Brunswick County currently operates six wastewater treatment plants with a permitted sewer treatment
capacity of 13,355,000 gallons per day. The County provides retail sewer service within the municipalities of Boiling
Spring Lakes,Bolivia,Calabash,Carolina Shores,Caswell Beach,Sandy Creek,St.James,Navassa,the City of Northwest,
Sunset Beach, Varnamtown, and the unincorporated areas of Brunswick County as well as providing wholesale sewer
treatment to Holden Beach, Oak Island, Ocean Isle Beach, Shallotte, Southport, and H2GO. The County sewer
transmission and collection system consists of 1,147 miles of force main, gravity, low pressure, and vacuum sewer
pipeline; 162 major pump stations; 4,000 manholes; and around 10,011 individual grinder pump stations.
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Connection Program
New developments in Brunswick County located in proximity to a sewer line are required to construct sewer collection
facilities in the development and all new homes must make connection to these facilities. Existing structures are not
required to make connection to sewer collection systems when new sewer mains are constructed near them;
however, property owners that would like to connect to the sewer system have several options available to them:
Rural Sewer Program—Allows existing structures adjacent to a high-pressure force main that have failing septic
systems to connect to the high-pressure force main using a grinder pump system. Fees for this type of
connection are available on the Brunswick County Web site.
Additional information on this program is available at the Brunswick County Engineering Department located in the
County Government Complex (910-253-2500).
Staff Training and Certification
The combination of large diameter, high-pressure sewer force mains, low-pressure sewer grinder systems, vacuum
sewer systems,gravity sewer systems, pumping stations,SCADA system,and wastewater treatment plants requires a
highly skilled and diverse staff for proper operation and maintenance. Wastewater Collection System and Treatment
personnel are certified through the Water Pollution Control System Operators Certification Commission that is
governed by North Carolina State law and administered through the North Carolina Department of Environmental
Quality(NCDEQ). Brunswick County has 51 dedicated staff members within three divisions to provide operation and
maintenance of the system:
• Sewer Collection Division (19)—15 NCWPCSOCC Certified Operators
• Wastewater Treatment Division (24) - 14 NCWPCSOCC Certified Operators and (6) Certified Maintenance
Technicians,3 Certified Laboratory Technicians
• Instrumentation & Electrical Division (9)-4 NC Licensed Electricians
To become certified by NCWPCSOCC and to become NC licensed electricians, individuals must meet certain education
and experience criteria, complete required coursework, and must pass a State-administered exam. After initial
certification, wastewater operators and licensed electricians are required to attend continuing education courses on
an annual basis to maintain their certification. Additionally, Brunswick County provides frequent training in other
areas: safety, valves, generators, HVAC, system maintenance, regulatory updates, and similar programs related to
system operation and maintenance.
OPERATION OF WASTEWATER s, .F 1M
TREATMENT PLANTS
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Laboratory Analysis
Over 8,500 laboratory tests are performed annually at the West Brunswick Water Reclamation Facility's Lab by
certified laboratory staff to ensure compliance with Division of Water Resource's Water Quality Section requirements
and National Pollutant Discharge Elimination System (NPDES) permits. On-site laboratory analysis allows for
expedient operational adjustments to ensure efficient operation of the plant to maintain permit limits for the treated
water leaving the plants. Brunswick County has an extensive reuse program that requires a high degree of treatment
prior to using the treated wastewater(reuse water)for irrigation purposes.
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Treated Wastewater as a Resource
Historically, once treated wastewater leaves a wastewater treatment plant it has been discharged into a stream or
river. Some of Brunswick County's WWTPs do operate this way, but a larger percentage of our WWTPs have been
permitted as non-discharge facilities. Rather than discharging treated wastewater to a stream or river, a non-
discharge WWTP uses the highly treated wastewater for large-scale irrigation. The highly treated wastewater is
termed "Reuse Water". Brunswick County operates over 25 miles of reuse force mains that supply reuse water for
irrigation to eleven golf courses and 1,040 acres of dedicated tree and turf farms at four different locations. Using
reuse water for irrigation has several advantages. One major advantage is that in many instances reuse water can be
used in lieu of potable water from the County'si water system that would have been used for irrigation. This reduces
the peak loading on the water system which ultimately reduces costs and helps to stabilize rates. Additionally, using
reuse water for irrigation allows golf courses to reduce the amount of fertilizer utilized on the golf course. Golf courses 1
utilizing reuse water for irrigation include those in Sea Trail, Winding River, and St.James.
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Residuals Management
The Wastewater Treatment Division oversees the disposal of biosolids from each of the wastewater treatment
facilities. In 2021, Brunswick County produced 972 dry tons Class-A Biosolids and 84 dry tons of Class-B Biosolids.The
biosolids are land-applied as soil amendments on farm fields by the County's residuals contractor. The County is
continuing to research additional disposal &treatment alternatives and has recently completed a study on long term
Biosolids management.
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Fiscal Year 2021-2022 Highlights
• Installation of 629 grinder pump stations in low pressure sewer areas
• Completed design of the.75 MGD Mulberry Branch WWTP,which will be an expansion of the West Brunswick
Regional Water Reclamation system and serve the City of Southport
• Rehabilitation of several large sewer pump station (Ocean Ridge, St.James)to include reconfiguring piping,
valves, and recoating of the wet wells
• Implementation of ARV and Valve Exercising Program
• Implemented odor control improvements in several problematic areas
• Completion of the 2.5 MGD expansion at the NEBR WWTP, bringing the total capacity to 4.975 MGD.
Planned Fiscal Year 2022-2023 Capital Improvements
• Sea Trail WWTP improvements
• Ocean Ridge Reclaimed Water Main
• Bid, award and begin construction of the 0.75 MGD Mulberry Branch WWTP
• Odor Control Replacement at 2 major Pump Stations
• RFQ, selection and design of an additional 2.5 MGD expansion of the NEBR WRF
• Design of a 24" FM from Midway Road to the WBR WRF for additional capacity in the Highway 211 corridor
5 Year Forecast:
• Complete construction and compliance testing of the 0.75 MG plant (Mulberry Branch WWTP)
• Implementation of a Residential Reuse Program
• Design and construction of CIP projects identified in the Wastewater Master plan or other studies which
identify needed infrastructure improvements or additions.

Brunswick County Public Utilities
Wastewater Collection and Treatment System Annual Report
July 1,2021,through June 30, 2022
House Bill 1160, the Clean Water Act of 1999, requires entities that own or operate wastewater treatment and
collections facilities in North Carolina to provide customers with an annual performance report. This report is available
for viewing at the Brunswick County Public Utilities Operations Center or by logging on to our Web site at
<www.brunswickcountvnc.gov>. Customers will be notified of its availability by printed notice on sewer bills.
Questions, comments, or requests for paper copies of this report should be directed to the Brunswick County Public
Utilities Department at 910-253-2657. This report has been completed by staff of the Utilities Department and is
accurate to the best of our knowledge and belief.
Tim Costin Matthew Henry
Wastewater Collections Superintendent Wastewater Operations Superintendent
910-253-2681 910-253-2479

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West brunswick Water Reclamation Facility
Matthew Henry
Operator in Responsible Charge:
Phone: [phone]
Permit(s): WQ0023693 (Non-Discharge)
Facility Description:
• Permitted Flow: 6.0 million gallons per day
• Treatment Type: Extended Aeration, Tertiary Treatment, Biological Nutrient Removal with Autothermal
Thermophilic Aerobic Digestion (ATAD) process for solids handling
• Discharge: Non Discharge Permit—Reuse water applied to golf courses, infiltration basins, and dedicated
tree farm surface irrigation sites

Performance:
Monthly Flow and Rainfall
West Brunswick WRF July 2021 - June 2022
180.00 14.00
160.00
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Rainfall 6.67 13 10 11.44 3.30 1.69 2.55 4,17 1.60 3 45 2.44 3.73 3.09
Flow MG/Mon. 162.45 168.45 140.15 124.S4 109.06 9$.37 i 103.27 91.22 ` 112.81 118.70 120.75 131.76
• Annual Average Daily Flow: 4,053,620 gpd
• Maximum Daily Flow/Date: 7,943,093 gallons August 4, 2021
• Total Annual Flow: 1,481,517,767 gallons
• Total Rainfall: 57.23 inches
• Notice of Violations(NOV's) were received in July 2021 (NOV-2021-LV-0719). During these months, the facility
experienced an inability to dispose of biosolids due to adverse weather conditions.The excess solids within the
system caused an exceedance of daily Total Suspended Solids (TSS), Total Ammonia Nitrogen, Fecal Coliform.
Also, the monthly Total Nitrogen and Total Phosphorus limits were exceeded. August 2021 the daily Total
Suspended Solids (TSS), Fecal Coliform, and the monthly Total Nitrogen was exceeded. January and February
2022 the daily and monthly Total Suspended Solids(TSS)was exceeded.

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Northeast Brunswick Water Reclamation Facility
Operator in Responsible Charge: Matthew Henry
Phone: [phone]
Permit(s): NC0086819 (Discharge)
Facility Description:
• Permitted Flow:4.975 million gallons per day
• Treatment Type: Extended Aeration, Tertiary Treatment, Biological Nutrient Removal with Autothermal
Thermophilic Aerobic Digestion (ATAD) process for solids handling
• Discharge: Discharge Permit—Cape Fear River

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Performance:
Monthly Flow and Rainfall
90.00 Northeast Brunswick WRF July 2021 - June 2022 16.00
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RainfallFlow 13.84 9.64 9.66 1.16 4 0.66
Piantf2.79 3.70 1.79 2.70 3.09 60.89 66.80 57.17 1.46 4.39
76.28 1 83.01 76.96 66.97 I 60.51 61.35 67.57 59.36
• Annual Average Daily Flow: 2,569,194 gpd
• Maximum Daily Flow/Date: 4,420,000 gallons September 22, 2021
• Total Annual Flow: 794,532,411 gallons
• Total Rainfall: 67.66 Inches
Northeast Brunswick exceeded the permitted hydraulic flow in August 2021, September 2021, due to excessive
rainfall. In January 2022 the Total Ammonia Nitrogen was exceeded for the weekly and monthly limits, due to
equipment failures.In March 2022 the Total Suspended Solids were exceeded for the weekly and monthly limit,due
to equipment failures.

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Ocean Isle Beach Water Reclamation Facility
Regulated Entity: Ocean Isle Beach Water Reclamation Facility
Operator in Responsible Charge: Scott Leonard
Phone: [phone]
Permit(s): WQ0006085 (Non-Discharge)
Facility Description:
• Permitted Flow: 1.050 million gallons per day
• Treatment Type:Sequencing Batch Reactor
• Discharge: Non-Discharge Permit — Reuse water applied to dedicated tree farm and turf farm surface
irrigation sites

Performance:
Monthly Flow, Diversion Flow and Rainfall
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L's4"444'Rainfall ' 4.59 6.90 5 31 1 04 1.49 2.69 3.92 1.66 4.37 2 42 1.46 2.7721
Flow MG/Mon. 16.514 15.746 12 757 11.0474! 9.019 ; 8 644 8.253 6.754 I 11.619 10 839_1 11.610 I 17.207
Div.Flow MG/Mon 9.964 5.659 2.283 1.044 1.043 ' 0.243 I 1.369 I 0.000 0.262 1.893 1.489 4.642
• Annual Average Daily Flow: 382,777 gpd
• Maximum Daily Flow/Date: 668,566 gallons August 20, 2021
• Total Annual Flow: 122,801,565 gallons
• Total Flow Diverted: 29,892,029 gallons
• Rainfall Total: 38.62 inches
No compliance issues were noted for this facility during the reporting period.

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Carolina Shores WWTP
Regulated Entity: Carolina Shores Wastewater Treatment Plant
Operator in Responsible Charge: Aaron Hewett
Phone: [phone]
Permit(s): NC0044873 (Discharge)
Facility Description:
• Permitted Flow:0.530 million gallons per day
• Treatment Type: Extended Aeration,Tertiary Treatment
• Discharge: Discharge Permit—Tributary to Persimmon Swamp, Lumber River Basin

Performance:
Monthly Flow, Diversion Flow and rainfall
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Rainfall 7 98 4.31 6.06 1.60 1.18 2.77 5.03 1.74 3.46 3.18 1.88 1.79
Plant Flow 11.81 12.25 11.92 12.63 B 11.58 11.53 lc_11,51 10.48 10.85 8.88 9.34 12.35
Diversion Flow 5.68 4.55 f 3.79 4.70 3.75 f 3.70 4.64 3.64 5.32 5.49 4.59 , 2.71 l.
• Annual Average Daily Flow: 370,231 gpd
• Maximum Daily Flow/Date: 465,000 gallons June 17, 2021
• Total Annual Flow: 135,112,000 gallons
• Total Flow Diverted: 52,556,518 gallons
• Rainfall Total: 40.98 inches
No compliance issues were noted for this facility during the reporting period.

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Shallotte WWTP
Regulated Entity: Shallotte Wastewater Treatment Plant
Operator in Responsible Charge: Christian Coddington
Phone: [phone]
Permit(s): WQ0000798 (Non-Discharge)
Facility Description:
• Permitted Flow:0.5 million gallons per day
• Treatment Type: Facultative Lagoon
• Discharge: Non-Discharge Permit—Effluent water applied to tree farm surface irrigation sites

Performance:
Monthly Flow, Diversion Flow and Rainfall
9000 Shallotte WWTP July 2021-June 2022 25.00
8.000
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20.00
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6.000
15.002
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Rainfall 7.01 19.15 7.08 2.41 1.38 1 2.62 4.22 1.06 3.86 2.28 t 2.62 2.37
Flow MG/Mon. 7.389 1 7.628 7.298 7.606 6.762 7.178 7.598 5.981 6.484 6.7241 6.715 7.019
Div.Flow MG/Mon 6.889 7.630 6.918 6.735 6.028 6.163 6.458 6.020 6.831 6.220 6.524 6.207
• Annual Average Daily Flow: 231,049 gpd
• Maximum Daily Flow/Date: 536,131 gallons January 7, 2022
• Total Annual Flow: 84,382,487 gallons
• Total Flow Diverted: 78,623,439 gallons
• Total Rainfall 56.06 Inches
No compliance issues were noted for this facility during the reporting period.

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Sea Trail WWTP
Regulated Entity: Sea Trail Wastewater Treatment Plant
Operator in Responsible Charge: Scott Leonard
Phone: [phone]
Permit(s): WQ0012748 (Non-Discharge)
Facility Description:
• Permitted Flow:0.3 million gallons per day
• Treatment Type: Extended Aeration,Tertiary Treatment
• Discharge: Non-Discharge Permit—Reuse water applied to Sea Trail golf courses
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Performance:
Monthly Flow, Diversion Flow and Rainfall
30.000 Sea Trail WWTP June 2021-July 2022 6,00
25.000 5.00
20.000 4.00
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July Aug Sept I Oct Nov Decj. Jan Feb a March ' April ' May June
Rainfall 5.51 5.58 3.16 2.24 1.44 1.59 4.57 1.83 :Lam 3.86 2.54 1.89 4.22
' Flow MG/Mon. I 4.064 I 4.834. 1 4.286 4.777 4.439 4.251 4.997 I 4.355 i 4.499 5.083 5.246 5.456
Div.Flow MG/Mon 25.632 1 22.390 18.508 16.098 14.138 14.385 I 15.944 15.045 18.453 19.178 119.085 21.110
• Annual Average Daily Flow: 150,039 gpd
• Maximum Daily Flow/Date: 269,000 gallons August 7, 2021 &September 26, 2021
• Total Annual Flow: 56,287,200 gallons
• Total Flow Diverted: 219,967,153 gallons
• Total Rainfall: 38.43 inches
A Notice of Deficiency (NOD) was received in July 2020 (NOD-2020-LV-0177). To correct the deficiency air supply
was increased to the treatment process.

Overall Gallons Treated and Percent Flow/Treatment Plant
T Sea rail:
Sea
Total Flow Per Plant
Gal/YR - :.
3%
Shallotte:
84 C.Shores:
135,112,000
Gal/YR OIB: Gal/YR
3%
122,801,56 5%
5
Gal/YR
5% NEB -194,532,411
al3o5i'ly'eor
W BR: 1,481,517,767
Gallons/Year
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Brunswick County Collection System
Regulated Entity: Brunswick County Wastewater Collection System
Operator in Responsible Charge: John Gregory
Phone: [phone]
Permit(s): WQCS00284
Facilities Description:
Gravity Mains Low Pressure Vacuum Force Main
Miles of Line 660 219.9 21 256
Facility Type Total
Traditional Major Pump Stations 162
Vacuum System Stations 3
Low Pressure Grinder Pump Stations 10,011
Manholes 4,000
Performance:
Feet of Gravity Line Cleaned & Inspected: 79,612.5
Percentage of Gravity Line Inspected: 10%
Number of manholes inspected: 200

2021-2022 Collection System Flows
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n MG/Month 267.05 1 184.14 i 190.59 ; 202.09 1 195.59 1_199.36 , 203.47 I

Reportable Sanitary Sewer Overflows
Brunswick County reports Sanitary Sewer Overflows in accordance with North Carolina General Statutes and NCDEQ
guidance. Discharges of 1,000 gallons or more of untreated waste to the surface waters of the State require Publication of
Notice of Discharge. When Sanitary Sewer Overflows occur,it is standard practice to inspect and remove the sourtlitf any
blockages; repair, refurbish,and renovate collections facilities;and to clean up and disinfect spill areas.
Date Location Volume Known Corrective Measures Taken
(gallons) Environmental
Impacts
12/22/2021 Old Fayetteville 165,000 None Upstream valves were isolated to
Road in Leland stop flow so that repairs could be
near town Hall made. Full section of pipe(20')
was replaced using 10"C900 pipe
and 2-10"Hymax repair clamps.
Residual sewer was removed with
pumper trucks and affected area
was lime stabilized.
02/25/2021 Calabash Rd. 170,000 None Upstream/downstream valves
NW near Seneca were isolated to stop flow so that
St. NW repairs could be made. Full section
of pipe (20')was replaced using 8"
C900 pipe and 2-8" Hymax repair
clamps.An N.C.D.O.T.drain
culvert had been replaced under
our 8" PVC force main causing the
pipe to sag over time and creating
a fracture. Residual sewer was
removed with pumper trucks and
affected area was lime stabilized.
01/23/2022 116 Crooked 1,500 None Isolated valve to prepare for broke
Gully Circle 2" line. Repaired with new 2" PVC
Sunset Beach pipe and 2 HYMAX couplings.
Residual sewer was removed with
pumper trucks and affected area
was lime stabilized.
02/28/2022 Royster Road 4,000 None Lift Station was turned off while
Pump Station 4" pipe was being repaired with 4"
area. Brunswick pipe and 2 HYMAX fittings.
County Residual sewer was removed with
pumper trucks and affected area
was lime stabilized.
04/04/2022 2256 Mt. Misery 5,000 None Upstream valves were isolated to
Road. Leland stop flow so that repairs could be
NC. made. 5'section of pipe(8')was
replaced using 8"C900 pipe and 2-
8" Hymax repair clamps. Residual
sewer was removed with pumper
trucks and affected area was lime
stabilized.

What is a Sanitary Sewer Overflow?
A sanitary sewer overflow is a condition whereby untreated sewage is discharged prior to reaching sewage treatment
facilities. Despite the best efforts of Brunswick County Public Utilities staff, sanitary sewer overflows (SSOs) occur in
Brunswick County, just as they do in every other sewer system. The North Carolina Department of Environmental
Quality Division of Water Resource's Water Quality Section defines a reportable SSO as any spill to surface waters of
1,000 gallons or more.
Causes of Sanitary Sewer Overflows
The most common cause of SSOs is due to grease deposits blocking sewer pipes resulting in the escape of raw sewage
through manholes, sewer clean outs, and other entries into the sewer collection system. Sewer blockages also occur
due to foreign objects being dropped into sewers and manholes,the flushing of non-biodegradable materials down
the toilet,and the growth of roots into the sewer system piping. Excessive rainfall can also overload the sewer piping
systems and pump stations. Additionally, the cutting of sewer mains by contractors and property owners during
excavation has become more problematic as Brunswick County becomes more urbanized. SSOs may also occur due
to the failure of pipe or other mechanical equipment.

•
What Brunswick County Public Utilities is doing to prevent and reduce Sanitary Sewer Overflows
All pump stations and plant sites are equipped with a Supervisory Control and Data Analysis (SCADA) system that
provides automated reports and high-level alarms to operators tasked with monitoring the sewer system around the
clock. Brunswick County staff is available 24 hours per day, 7 days per week to respond quickly to emergencies to
prevent SSOs from occurring. Moreover, Brunswick County Public Utilities staff provides daily checks and
maintenance to the piping,valves, pump stations,treatment facilities, and other components of the sewer system to
minimize failures and maintains generators at each pump station for backup power during outages. Additionally,
Brunswick County employs a contractor specializing in televised inspection of sewer mains to analyze at least 10%of
its gravity sewer system each year. When repairs and blockages are noted, County staff expeditiously make the
needed repairs and maintenance using its wide array of construction equipment, jetting equipment, vacuum truck,
and tanker truck. County staff constantly monitors system pressures,capacities,and conditions of the system to make
recommendations for needed rehabilitation projects and capital projects to ensure adequate capacity. County staff
also routinely mows utility easements to provide accessibility for inspections and repairs. As part of its Fats,Oils,and
Grease (FOG) Program, Brunswick County helps to educate customers on the proper disposal of these items to
minimize sewer blockages and encourages the public to contact Public Utilities if they see deficiencies or misuse of
the sewer system. Additionally, Brunswick County is part of the NC 811 call system (www.NC811.org) that seeks to
avoid utility damage due to excavation by the general public and contractors by providing proper notification and
utility location services.
What You Can Do to Prevent Sanitary Sewer Overflows
1. Contact Brunswick County Public Utilities if you see a maintenance issue, SSO, or someone misusing the
public sewer system.
2. Never pour grease down sink drains or into toilets! Put grease in a disposable container and dispose of in
the garbage or recycle where available.
3. Put strainers in kitchen sinks to catch food and debris and empty them into the trash.
4. Put wipes, napkins, cat litter, cotton balls, hygiene products, and latex products into the trash; never flush
these down the toilet.
5. Speak with your neighbors about how to keep grease and other materials out of the sewer. Sewer blockages
from grease and other foreign materials do not just impact the person putting them down the drain!
When an SSO Occurs...
Through active monitoring,maintenance,repair,staff training,investment,and outreach programs,Brunswick County
Public Utilities seeks to be a good steward of the environment;however,even with due diligence,all utilities providing
sewer service will experience SSOs from time to time. When an SSO occurs, Brunswick County takes the following
corrective actions:
• Notification of the public in accordance with Division of Water Resource's Water Quality Section
guidelines
• Remove blockages from piping
• Repair, refurbish, and renovate damaged or inadequate facilities
• Cleanup and disinfection of spill area
• Increase inspection frequency as warranted
• Construct capacity improvements as warranted

•
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a $top sewer over-novo into streets ana 5iorm Arms.
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Save money spent on coat cleanups of seiea9r spells.
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