HomeMy WebLinkAboutWQCS00021_Annual Performance_20220829 WiLSON RECEIVED
NORTH CAROLINA 292022
August 25,2022 NCDEQ/DWR/NPDES
CERTIFIED MAIL
RETURN RECEIPT REQUESTED
System Performance Annual Report
NCDEQ—DWR—Water Quality Permitting Section
1617 Mail Service Center
Raleigh,North Carolina 27699-1617
Subject: 2022 Wastewater Collection and Treatment System Report
City of Wilson
NPDES Permit: NC0023906
Reclaimed Water Utilization Permit: WQ0018709
Wastewater Collection System Permit: WQCS00021
Dear Sir or Madam:
Enclosed are six copies of the City of Wilson's 2022 Wastewater Collection and Treatment System
Report. The reports will be mailed to customers during August 2022. This report is also posted on-line at
the City of Wilson's official website and can be found at: www.wilsonnc.org/wwannuah-eport or
wlNw.wilsonnc.org/wastewaterannualreport.
The report is based on fiscal year July 1,2021 —June 30,2022. The report is submitted as required by the
N.C. Clean Water Act of 1999.
Please contact me at(252)399-2491 or via email at jpridgen@wilsonnc.org if you need additional
information.
Sincerely,
.447 Jimmy Pridge
Water Reclamati n Manager
cc: • ass,Director of Public Works—City of Wilson
Kyle Manning,Assistant Director of Public Works/City Engineer—City of Wilson
Scott Hedgepeth,Assistant Director of Public Works—City of Wilson
Noah Parsons,Water Infrastructure Manager—City of Wilson
Regional Supervisor,DWR Raleigh Regional Office- Surface Water Protection
CITY OF WILSON
INCORPORATED 1849
WATER RECLAMATION DIVISION I PO BOX 10 I WILSON,NORTH CAROLINA 27894-0010 I (252)399-2491 I (252)399-2209
EQUAL OPPORTUNITY EMPLOYER I AFFIRMATIVE ACTION EMPLOYER
MISSION HOMINY CREEK WATER RECLAMATION FACILITY (WRF) , ....., ;,
STATEMENTThe 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-
'Protecting our Environment and 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 A�`j ram'
Town of Saratoga,and the Town of Sims. ,� ,...
Water Quality,through Teamwork The term water reclamation defines the treatment or processing of wastewater to make it reusable with specific treatment reliability. Reclaimed water must also :.i�j'�0
and Excellent Service, 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 !..'''"6" r
„ 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 now and for future generations. Course,the Burt Gillette Athletic Complex and industrial process/cooling water.The reclaimed water system is part of the City's water conservation plan. °1....
This 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).
If you have any questions about the information contained in this report,or would like to learn more about your wastewater collection system or the Hominy Creek Water Reclamation Facility,please call(252)399-2492.
SANITARY SEWER OVERFLOWS (SSOs)
TABLE DEFINITIONS&KEY
<-less than Sanitary sewer overflows(SS0s)occur when untreated sewage is discharged ¢__
into the environment prior to reaching the sewer treatment facilities.These '—I 'x
>-greater than typically occur at manholes,pump stations,or broken sewer pipes.Infiltration/ .•
MGD(Million Gallons per Day)-a unit of measurement for flow volume. inflow(I/I)is unwanted water that enters the sewer collection system through "
NTU(Nephelometric Turbidity Units)-a unit of measurement for Turbidity.The lower the value,the
deteriorating older pipes,leaking manholes,or illegal connections such as s " w
•
clearer the water. roof drains,etc.During heavy rains,pipes can become overloaded from I/I and +' `;; - _
cause SSOs.Pipe stoppages caused by fats,oils,grease,debris,and non-flush- -'.,... t •
PPM(Parts per Million) a unit of measurement.Parts per million compares to 1 minute in 2 years. able items can also lead to SSOs.Replacing and rehabilitating these lines and ' .'ati%
PPB(Parts per Billion)-a unit of measurement.Parts per billion compares to 1 minute in 2,000 years. manholes reduces I/I into the sanitary sewer system,thus protecting the public ,,',
SU(Standard Units) a unit of measurement for pH. health,improving treatment plant efficiency and reducing system mainte-
nance. Generators provide emergency back-up power for pump stations and
Ammonia-one of several forms of nitrogen that exist in aquatic environments.Excessive ammonia can cause help prevent SSOs.
toxic effects to aquatic life.Ammonia is measured in PPM. During fiscal year 2021-2022, the City of Wilson experienced sixteen (16) reportable SSOs.The WRF treated
BOD(Biochemical Oxygen Demand)-a required test that determines the amount of oxygen required by 2.8 billion gallons of wastewater during this period.
microorganisms to consume pollutants.BOD is measured in PPM. August 11,2021 January 6,2022 February 6,2022
Chronic Toxicity-a required test used to determine the potential effects of treated wastewater discharged 3500 Block of NC Highway 42 W Near Intersection of Tilghman Road N& 4308 Cam Strader Road
into the receiving stream.The test ensures that treated wastewater discharged into surface waters does not Total:13,500 gallons Deerfield Lane N Total:196 gallons
negatively impact aquatic ecosystems. Cause:Pipe failure Total:300 gallons Cause:Pipe blockage due to grease
DO(Dissolved Oxygen)-a required test used to determine the amount of oxygen that is present in water. September 16,2021 Cause:Infiltration/Inflow during heavy March 19,2022
It is a direct indicator of an aquatic resource's ability to support aquatic life.DO is measured in PPM. 403 Brentwood Drive rain event 1703 Woodside DriveW
FC(Fecal Coliform)-a required test used to determine the presence of disease causing organisms.FC are Total:180 gallons January 11,2022 Total:412 gallons
harmless but are used as indicators of other organisms(if FC are present others may be present).FC is Cause:Pipe blockage due to grease, 313 Hackney Street E Cause:Pipe blockage due to grease
measured as number of colonies per 100 milliliters of sample. debris,&non-flushable wipes Total:150 gallons June 1,2022
Cause:Pipe blockage due to debris,& 1
pH-a required test used to determine the hydrogen ion concentration in water.It is used to indicate basicityOctober 12,2021 3100 Stantonsburg Road SE
q non-flushable wipes
or acidity of a solution on a scale of 0 to 14,with pH 7 being neutral. 1303 Crawford Street S Total:8,600 gallons
Total:20 gallons January 12,2022 Cause:Pipe failure
TN(Total Nitrogen)-a required test used to determine the sum of the different forms of nitrogen found in Cause:Pipe blockage due to grease, 3100 Stantonsburg Road SE
water,including nitrate,nitrite and ammonia.Nitrogen is a critical nutrient required for all life but elevated June 8,2022
debris,&non-flushable wipes Total:600 gallons 3351 NC Highway 42 W
concentrations can result in excessive growth of algae and aquatic plants.TN is measured in PPM. Cause:Pipe failure 9 Y
TP(Total Phosphorus)-a required test used to determine all the different forms of phosphorus found in1303 October Crawford27 2021 Total:750 gallons
water.Phosphorus is a critical nutrient required for all life but elevated concentrations can result in excessive Street S January 18,2022 Cause:Pipe Failure
Total:100 gallons 2658Tilghman Road N
growth of algae and aquatic plants.TP is measured in PPM. Cause:Pipe blockage due to grease Total:215 gallons ®Customers who observe a sanitary
TRC(Total Residual Chlorine)-a required test used to determine the total amount of remaining chlorine Cause:Infiltration/Inflow during sewer overflow should report
November 14,2021
present in water.Chlorine is added to destroy or deactivate disease-producing microorganisms.Excess heavy rain event these as emergencies to the City of
residual chlorine may cause adverse effects to aquatic life.TRC is measured in PPB. 1716 Meadowbrook Lane W Wilson's Unified Communications
Total:600 gallons January 19,2022 Center at(252)399-2424.
TSS(Total Suspended Solids)-a required test that measures the amount of suspended solids in a sample. Cause:Pipe blockage due to grease, 3500 Block of NC Highway 42W
TSS are measured in PPM. debris,&non-flushable wipes Total:3,000 gallons 0-Clientes que observan un
Turbidity-a required test that measures clarity of water.It is used to indicate water quality and filtration December 28,2021 Cause:Pipe Failure desbordamiento del drenaje
effectiveness.Turbidity is measured in NTU. 1901-C Lipscomb Road E January 20,2022 sanitrario,deben reporter estas
Total:150 gallons 3500 Block of NC Highway 42 W situaciones de emergencia al Centro
Cause:Pipe blockage due to grease Total:9,000 gallons de la Ciudad
de al telefono
dos de
NPDES PERMIT COMPLIANCE(NC0023906) &debris. Cause:Pipe Failure (252) ad-244.Wilson,al tel
The WRF was compliant with all NPDES permit limits this year. (2s2)399 2a2a.
PLANT PERFORMANCE HELP STOP THE CLOG!
Pollutant Concentration Pollutant Concentration The majority of sewer backups and overflows caused by fats,oils,and grease(FOG)originate in residential areas.
Ammonia Nitrogen PPM Flow MGD You can help prevent clogs by learning about FOG and how to dispose of it.
Average 0.03 Average 7.79 By following three simple steps,you can make sure your pipes keep flowing properly:
Permit Limit 1.0/3.0(summer-monthly/weekly) Permit Limit 14.00(monthly) CAN IT!Once cooled,pour leftover oils and grease into a sturdy container,like an empty coffee can or glass jar and
2.0/6.0(winter-monthly/weekly) pH SU discard it in a trash can.
Biochemical Oxygen Demand PPM Minimum-Maximum 6.7-8.0 SCRAPE IT!Before washing,scrape out fats,oils and grease residuals from pots,pans and dishes into the trash can.
Average 0.1 Permit Limit Within 6.0-9.0(daily) TRASH IT! Put fatty and greasy food scraps in the garbage,not the drain.
Permit Limit 5.0/7.5(summer-monthly/weekly) Total Nitrogen Lbs/Yr
10.0/15.0(winter-monthly/weekly) Pounds Discharged 57,604 FOR MORE WATER QUALITY INFORMATION
Chronic Toxicity Permit Limit 157,886
Test Performed Quarterly Passed all City of Wilson—Water Resources North Carolina Department of U.S.Environmental
Total Phosphorus PPM (252)399-2492 Environmental Quality Protection Agency
Permit Limit Pass or Fail
Average 0.50 www.wilsonnc.org/water-resources (919)733-2321 www.epa.gov
Dissolved Oxygen PPM Permit Limit 2.00(quarterly) U.S.Geological Survey www.deq.nc.gov Sound Rivers
Average 9.3 Total Residual Chlorine PPB www.usgs.gov Lower Neuse Basin Association www.soundrivers.org
Permit Limit >7.0(daily) Average <0.01 N.C.Environmental Education www•Inba.net Love a Sea Turtle
Fecal Coliform Colonies/100 ml of sample Permit Limit 18.0(daily) www.eenorthcarolina.org River Guardian Foundation,Inc. www.loveaseaturtle.com
Average 3 Total Suspended Solids PPM Water's Worth It www.riverguardfdn.org
Permit Limit 200/400(monthly/weekly) Average 0.05 www.watersworthit.org
Permit Limit 30.0/45.0(monthly/weekly) AFFILIATIONS
REUSE PERMIT COMPLIANCE(WQ0018709) The City of Wilson Water Reclamation Division is affiliated with the following organizations:
The WRF was compliant with all Reuse permit limits this year. •Water Environment Federation •N.C.Water Quality Association •N.C.Pretreatment Consortium
PLANT PERFORMANCE •American Water Works Association •N.C.One Water •N.C.Rural Water Association
Pollutant Concentration Pollutant Concentration PROTECTING THE NEUSE RIVER
Ammonia Nitrogen PPM Total Suspended Solids PPM The Lower Neuse River Basin Association,Inc.(LNBA)and the Neuse River Compliance Association,Inc.,(NRCA)are
Average 0.04 Average <0.01 501(c)(3)non-profit corporations comprised of municipalities and industries located in the Neuse River Basin.The
Permit Limit 4.0/6.0(monthly/daily) Permit Limit 5.0/10.0(monthly/daily) mission of these organizations is to monitor and preserve the waters of the Neuse River and Neuse River estuary
Biochemical Oxygen Demand PPM Turbidity NTU through innovative and cost-effective wastewater treatment and reduction strategies.The NRCA group is composed
Average 2.0 Average 0.42 of 28 wastewater treatment facilities located in the Neuse River Basin. NRCA was issued North Carolina's first ba-
Permit Limit 10.0/15.0(monthly/daily) Permit Limit 10.0(daily) sin-wide NPDES permit for nitrogen control January 1,2003 and was reissued in 2008,2013,and 2018.The group
Fecal Coliform Colonies/100 ml of sample was given a mandate to reduce their Total Nitrogen discharge by 30%. Through the combined efforts of its entire
1 Average 1 membership,the NRCA exceeded the mandated 30%nitrogen reduction by removing over 55%of their nitrogen
Permit Limit 14/25(monthly/daily) 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 The following is a partial list of items that
flushed,results can include costly backups on your own property or problems in the City's sewer collection should not be flushed:
system and at the wastewater treatment plant. That's why it is so important to treat toilets properly and x Baby wipes,diapers
flush only your personal contributions to the City's wastewater system. x Cigarette butts
x Egg shells,nutshells,coffee grounds
"Disposable Does Not Mean Flushable" x Food scraps
Flushing paper towels and other garbage down the toilet wastes water and can create sewer backups x Oil
and sanitary sewer overflows (SSOs).The related costs associated with these SSOs can be passed on to x Grease
ratepayers.Even if the label reads"flushable,you are still safer and more environmentally correct to place x Tissues(nose tissues,all brands)
the item in a trashcan. x Sanitary napkins
x Rags and towels
« , „ x Cotton swabs, medicated wipes(all brands)
It s a Toilet, NOT a Trash Can x Syringes
BIMx Candy and other food wrappers
x Rubber items such as latex gloves
aimr.
r. x Clothing labels
4
x Cleaning sponges
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i x Toys
,�. x Plastic items
0.—_ .rk
_ - ru,;.,, x Aquarium gravel or kitty litter
— ..� � � ,�, �;� �`
� r x Hair
:` ,- ; x Underwear
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../ x Disposable toilet brushes
'"`` x Medicines
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