HomeMy WebLinkAboutNC0023906_Annual Report_20220825MISSION
STATEMENT
"Protecting our Environment and
Water Quality, through Teamwork
and Excellent Service,
now and for future generations."
HOMINY CREEK WATER RECLAMATION FACILITY (WRF)
The WRF is located in Wilson at 3100 Stantonsburg Road. It is a state-of-the-art regional treatment plant that processes wastewater for approximately 20,300 me-
tered customers and a service population of approximately 52,000. The City of Wilson also treats wastewater from the Town of Black Creek, the Town of Lucama, the
Town of Saratoga, and the Town of Sims.
The term water redamation defines the treatment or processing of wastewater to make it reusable with specific treatment reliability. Reclaimed water must also
comply with very stringent water quality criteria. The term water reuse defines the use of treated wastewater for beneficial uses, such as agricultural irrigation and
industrial cooling. The City of Wilson is committed to reusing reclaimed water in areas that drinking water is not needed such as irrigation water for Wedgewood Golf
Course, the Burt Gillette Athletic Complex and industrial process/cooling water. The reclaimed water system is part of the City's water conservation plan.
Tfis report provides information concerning the City of Wilson's wastewater collection and treatment system performance for July 1, 2021 to June 30, 2022 as required in the North Carolina Clean Water Act of 1999 (House Bill 1160).
lfyou have arty questions about the information contained in this report, or would like to leammore about ,o:,rwastewater collearon sifrerk or the Homy Creek Water Reclamatron Facility, please rail (152) 399-1492.
TABLE DEFINITIONS & KEY
<- less than
> - greater than
MGD (Million Gallons per Day) - a unit of measurement for flow volume.
NTU (Nephelometric Turbidity Units) - a unit of measurement for Turbidity. The lower the value, the
clearer the water.
PPM (Parts per Million) - a unit of measurement. Parts per million compares to 1 minute in 2 years.
PPB (Parts per Billion) - a unit of measurement. Parts per billion compares to 1 minute in 2,000 years.
SU (Standard Units)- a unit of measurement for pH.
Ammonia - one of several forms of nitrogen that exist in aquatic environments. Excessive ammonia can cause
toxic effects to aquatic life. Ammonia is measured in PPM.
BOD (Biochemical Oxygen Demand) - a required test that determines the amount of oxygen required by
microorganisms to consume pollutants. BOD is measured in PPM.
ChronicToxidty - a required test used to determine the potential effects of treated wastewater discharged
into the receiving stream. The test ensures that treated wastewater discharged into surface waters does not
negatively impact aquatic ecosystems.
DO (Dissolved Oxygen) - a required test used to determine the amount of oxygen that is present in water.
It is a direct indicator of an aquatic resource's ability to support aquatic life. DO is measured in PPM.
FC (Fecal Coliform) - a required test used to determine the presence of disease causing organisms. FC are
harmless but are used as indicators of other organisms (if FC are present others may be present). FC is
measured as number of colonies per 100 milliliters of sample.
pH - a required test used to determine the hydrogen ion concentration in water. It is used to indicate basicity
or acidity of a solution on a scale of 0 to 14, with pH 7 being neutral.
TN (Total Nitrogen) - a required test used to determine the sum of the different forms of nitrogen found in
water, including nitrate, nitrite and ammonia. Nitrogen is a critical nutrient required for all life but elevated
concentrations can result in excessive growth of algae and aquatic plants. TN is measured in PPM.
TP (Total Phosphorus)- a required test used to determine all the different forms of phosphorus found in
water. Phosphorus is a critical nutrient required for all life but elevated concentrations can result in excessive
growth of algae and aquatic plants. TP is measured in PPM.
TRC (Total Residual Chlorine) - a required test used to determine the total amount of remaining chlorine
present in water. Chlorine is added to destroy or deactivate disease -producing microorganisms. Excess
residual chlorine may cause adverse effects to aquatic life. TRC is measured in PPB.
TSS (Total Suspended Solids) - a required test that measures the amount of suspended solids in a sample.
TS5 are measured in PPM.
Turbidity - a required test that measures clarity of water. It is used to indicate water quality and filtration
effectiveness. Turbidity is measured in NTJ.
NPDES PERMIT COMPLIANCE (NC0023906)
The WRF was compliant with all NPDES permit limits this year.
PLANT PERFORMANCE
Pollutant Concentration Pollutant
Ammonia Nitrogen
Average
Permit Limit
PPM
0.03
1.0/3.0 (summer monthly/weekly)
2.0/6.0 (winter - monthly/weekly;
Biochemical Oxygen Demand PPM
Average 0.1
Permit Limit 5.0/7.5 (summer - monthly/weekly)
10.0/15.0 (winter - monthly/weekly)
Chronic Toxicity
Test Performed Quarterly Passed all
Permit Limit Pass or Fail
Dissolved Oxygen PPM
Average 9.3
Permit Limit -7.0',daily)
Fecal Coliform Colonies/100 ml of sample
Average 3
Permit Limit 200/400 (monthly/weekly)
Concentration
Flow
Average
Permit Limit
pH
Minimum Maximum
Permit Limit
Total Nitrogen
Pounds Discharged
Permit limit
Total Phosphorus
Average
Permit limit
Total Residual Chlorine
Average
Permit Limit
Total Suspended Solids
Average
Permit Limit 30
REUSE PERMIT COMPLIANCE (WQ0018709)
The WRF was compliant with al: Reuse permit limits this year.
PLANT PERFORMANCE
Pollutant Concentration Pollutant
Ammonia Nitrogen
Average
Permit Limit
PPM
0.04
4.Or6.0 ;monthly;'daily)
Biochemical Oxygen Demand
Average
Permit Limit
Fecal Coliform
Average
Permit Limit
PPM
2.0
10.0/15.0 (monthly/daily)
Colonies/100 ml of sample
1
14/25 (monthly/daily)
MGD
7.79
14.00 (monthly)
SU
6.7 8.0
Within 6.0 - 9.0 (daily)
Lbs/Yr
57,604
157,886
PPM
0.50
2.00 ?quarterly)
PPB
<0.01
18.0 (daily)
PPM
0.05
.0/45.0 (monthly/weekly)
Concentration
Total Suspended Solids
Average
Permit Limit
Turbidity
Average
Permit Limit
PPM
<0.01
5.0/10.0 :monthly/daily)
NTU
0.42
10.0 (daily)
SANITARY SEWER OVERFLOWS (SSOs)
Sanitary sewer overflows 1550s) occur when untreated sewage is discharged
into the environment prior to reaching the sewer treatment facilities. These
typically occur at manholes, pump stations, or broken sewer pipes. Infiltration/
inflow (l/1) is unwanted water that enters the sewer collection system through
deteriorating older pipes, leaking manholes, or illegal connections such as
roof drains, etc. During heavy rains, pipes can become overloaded from I/1 and
cause S50s. Pipe stoppages caused by fats, ails, grease, debris, and non -flush -
able items can also lead to 5S0s. Replacing and rehabilitating these lines and
manholes reduces I/l into the sanitary sewer system, thus protecting the public
health, improving treatment plant efficiency and reducing system mainte-
nance. Generators provide emergency back-up power for pump stations and
help prevent SSos.
During fiscal year 2021-2022, the City of Wilson experienced sixteen (16) reportable 550s. The WRF treated
2.8 billion gallons of wastewater during this period.
August 11, 2021
3500 Block of NC Highway 42W
Total: 13,500 gallons
Cause: Pipe failure
September 16, 2021
403 Brentwood Drive
Total: 180 gallons
Cause: Pipe blockage due to grease,
debris, & non-fiushab ewipes
October 12, 2021
1303 Crawford Street 5
Total: 20 gallons
Cause: Pipe blockage due to grease,
debris, & non-flushablewipes
October 27, 2021
1303 Crawford Street S
Total: 100 ga Ions
Cause: Pipe blockage due to grease
November 14, 2021
1716 Meadowbrook Lane W
Total: 600 gallons
Cause: Pipe blockage due to grease,
debris, & non-flushable wipes
December 28, 2021
1901-C Lipscomb Road E
Total:150 gallons
Cause: Pipe blockage due to grease
& debris.
January 6, 2022
Near Intersection ofTilghman Road N &
Deerfield Lane N
Total: 300 gallons
Cause: Infiltration/Inflow during heavy
rain event
January 11,2022
313 Hackney Street E
Total:150 gallons
Cause: Pipe blockage due to debris, &
non-f ushable wipes
January 12, 2022
3100 Stantonsburg Road SE
Total: 600 gallons
Cause: Pipe failure
January 18, 2022
2658 Tilghman Road N
Total: 215 gallons
Cause: Infiltration/Inflow during
heavy rain event
January 19, 2022
3500 Block of NC Highway 42 W
Total:3,000 gallons
Cause: Pipe Failure
January 20, 2022
3500 Block of NC Highway 42W
Total: 9,000 ;Alms
Cause: Pipe Failure
February 6, 2022
4308 Cam Strader Road
Total: 196 gallons
Cause: Pipe blockage duet° grease
March 19, 2022
1703 Woodside Drive
Total: 412 gallons
Cause: Pipe blockage due to grease
June 1, 2022
3100 Stantonsburg Road SE
Total: 8,600 gallons
Cause: Pipe failure
June 8, 2022
3351 NC Highway 42 W
Total: 750 gallons
Cause: Pipe Failure
a
Customers who observe a sanitary
sewer overflow should report
these as emergencies to the City of
Wilson's Unified Communications
Center at (252) 399-2424.
OClientes que observan un
desbordamiento del drenaje
sanitrario, deben reporter estas
situaciones de emergencia al centro
de comunicadones unificadas de
la Ciudad de Wilson,. al telefono
(252) 399-2424.
HELP STOP THE CLOG!
The majority of sewer backups and overflows caused by fats, oiis, and grease ?FOG) originate in residential areas.
You can help prevent clogs by learning about FOG and how to dispose of it.
By following three simple steps, you can make sure your pipes keep flowing properly:
CAN IT! Once cooled, pour leftover oils and grease into a sturdy container, like an empty coffee can or glass jar and
discard it in a trash can.
SCRAPE IT! Before washing, scrape outfats, oils and grease residuals from pots, pans and dishes into the trash can.
TRASH IT! Put fatty and greasy food scraps in the garbage, nct the drain.
FOR MORE WATER QUALITY INFORMATION
City of Wilson — Water Resources
(252; 399-2492
www.wilsonnc.org/water-resources
U.S. Geological Survey
www.usgs.gov
N.C. Environmental Education
www.eenorthcarolina.org
Water's Worth It
www.watersworthit.org
North Carolina Department of
Environmental Quality
(919)733-2321
www.deq.nc.gov
Lower Neuse Basin Association
www.lnba.net
River Guardian Foundation, Inc.
www.riverguardfdn.org
U.S. Environmental
Protection Agency
www.epa.gov
Sound Rivers
www.soundrivers.org
Love a Sea Turtle
www.loveaseaturtle.com
AFFILIATIONS
The City of Wilson Water Redamation Division is affiliated with the following organizations:
•Water Environment Federation • N.C. Water Quality Association • N.C. Pretreatment Consortium
• American Water Works Association • N.C. One Water
• N.C. Rural Water Association
PROTECTING THE NEUSE RIVER
The Lower Neuse River Basin Association, Inc. ?LNBA) and the Neuse River Compliance Association, Inc., (NRCA) are
501(c) (3) non-profit corporations comprised of municipalities and industries located in the Neuse River Basin. The
mission of these organizations is to monitor and preserve the waters of the Neuse River and Neuse River estuary
through innovative and cost-effective wastewater treatment and reduction strateg:es. The NRCA group is composed
of 28 wastewater treatment facilities located in the Neuse River Basin. NRCA was issued North Carolina's first ba-
sin -wide NPDES permit for nitrogen control January 1, 2003 and was reissued in 2008, 2013, and 2018. The group
was given a mandate to reduce their Total Nitrogen discharge by 30%. Through the combined efforts of its entire
membership, the NRCA exceeded the mandated 30% nitrogen reduction by removing over 55% of their nitrogen
loading to the Neuse River estuary since 1995.
The City of Wilson is proud to be a charter member of both the LNBA and NRCA.
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"Some Things Just DON'T Belong in the Toilet"
Toilets are meant for one activity, and you know what we are talking about! When the wrong thing is
flushed, results can include costly backups on your own property or problems in the Cty's sewer collection
system and at the wastewater treatment plant. That's why it is so important to treat toilets properly and
flush only your personal contributions to the City's wastewater system.
"Disposable Does Not Mean Flushable"
Flushing paper towels and other garbage down the toilet wastes water and can create sewer backups
and sanitary sewer overflows (SS0s). The related costs associated with these SSOs can be passed on to
ratepayers. Even if the label reads"flushable, you are still safer and more environmentally correct to place
the item in a trashcan.
"It's a Toilet, NOT a Trash Can"
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The following is a partial list of items that
should not be flushed:
x Baby wipes, diapers
x Cigarette butts
x Egg shells, nutshells, coffee grounds
x Food scraps
x Oil
x Grease
x Tissues (nose tissues, all brands)
x Sanitary napkins
x Rags and towels
x Cotton swabs, medicated wipes (all brands)
x Syringes
x Candy and other food wrappers
x Rubber items such as latex gloves
x Clothing labels
x Cleaning sponges
x Toys
x Plastic items
x Aquarium gravel or kitty litter
x Hair
it Underwear
x Disposable toilet brushes
x Medicines