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HomeMy WebLinkAboutNC0023906_Annual Performance_20220829 WILSON RECEIVED NORTH CAROLINA Z 92022 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/wwannnalreport or wwlv.WilS01717C.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, 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) -- Wilson STATEMENT 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- "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 Z I\ s, Town of Saratoga,and the Town of Sims. Water Quali ,through Teamwork i ty, g The term water reclamation defines the treatment or processing of wastewater to make it reusable with specific treatment reliability. Reclaimed water must also `.J comply with verystringent water qualitycriteria.The term water reuse defines the use of treated wastewater for beneficial uses,such as agricultural irrigation and fa' �`"" and Excellent Service, P Y 9 9 9 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. 1W 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(SSOs)occur when untreated sewage is discharged ; , - into the environment prior to reaching the sewer treatment facilities.These A " , 1. > 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 .�..:. deteriorating older pipes, leaking manholes,or illegal connections such as NTU(Nephelometric Turbidity Units)-a unit of measurement for Turbidity.The lower the value,the s clearer the water. roof drains,etc.During heavy rains,pipes can become overloaded from I/I and _ t ,44:' cause SSOs.Pipe stoppages caused by fats,oils,grease,debris,and non-flush- -,,,� 'k • 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 • - .'c>"' '.{' 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 Drive W 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,& 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 in October 27,2021 Total:750 gallons 1303 water.Phosphorus is a critical nutrient required for all life but elevated concentrations can result in excessive Tota Crawford Street S January 18,2022 Cause:Pipe Failure growth of algae and aquatic plants.TP is measured in PPM. Total:100 gallons 2658 Tilghman Road N 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 present in water.Chlorine is added to destroy or deactivate disease-producing microorganisms.Excess November 14,2021 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 a 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) (252) ad-244.Wilson,al tel &debris. Cause:Pipe Failure (252)399-2424. The WRF was compliant with all NPDES permit limits this year. 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 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 Average 0.04 Average <0.01 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 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 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. 0 : 7 : CC 9. i . a) C z. 1 ( Xm T °, now A g N co v T o D 6 a) C I+� n r, Ui Tv ./ .! .kc, Cl, II) ~' Q O. Eli CD CA 2 ED o CD -I ea v _ O CD 50 0 < C) . Z a) C �moD , O D ■nz 7u N 73p Z' CD m CD z o O (7 rr-�1- ;D. "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 "It's a Toilet, NOT a Trash Can" x Cotton swabs,medicated wipes(all brands) x Syringes 11111111 x Candy and other food wrappers x Rubber items such as latex gloves Iiisairmalo- 4.‘ x Clothing labels i • 4 - -,,;r ;_ x Cleaning sponges �, \,,-._ x Toys r -.."( x Plastic items , c3 '. , , -� ,: _ : , x Aquarium gravel or kitty litter I. 4 r.., ,-1`;'?- x Hair 41 �- .- x Underwear V �` �"� x Disposable toilet brushes x Medicines