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NC0021211_Annual Performance_20210910
Tt#y f (kkata t P. O. Drawer 357 201 South Main Street Graham, North Carolina 27253 Tel: (336) 570-6700/Fax: (336) 570-6703 RECEIVED SEP 10 2021 August 17, 2021 NCDEQ/DWR/NPDES NCDEQ/DWR Point Source Compliance and Enforcement Unit 1617 Mail Service Center Raleigh,NC 27699-1617 RE: System Performance Annual Report City of Graham, Alamance County Please find enclosed three (3) copies of the System Performance Annual Report for the City of Graham,NPDES Permit No. NC0021211 and Collection System Permit No. WQCS00065. This is a requirement of House Bill 1160, the Clean Water Act of 1999. Additionally, I have attached a copy of the Public Notice advising the City's customers and users of the availability of the report. If you have any questions regarding this report please contact me at 336.570.6721. Sincerely, Tonya Mann Utilities Director Cc: Aaron Holland, Asst. Manager, City of Graham Cris Routh, Superintendent, WWTP Ladd Nall, Distribution/Collection Superintendent StarNews I The Dispatch I Times-News PO Box 631245 Cincinnati,OH 45263-1245 Sun Journal I The Daily News I The Star The Free Press I Gaston Gazette PROOF OF PUBLICATION Public Notice City of Graham City Of Graham Annual Report PODRAWER357 House Bill 1160, the Clean Graham NC 27253 Water Act of 1999 requires that each owner or operator STATE OF NORTH CAROLINA, COUNTY OF ALAMANCE of any wastewater treatment works or wastewater collec- The Burlington Times-News,a newspaper printed and published in the city of Burlington,and of general circulation in the County of tion system provide an Alamance,State of North Carolina,and personal knowledge of the Annual Report to its users facts herein state and that the notice hereto annexed was and customers. The City of Published in said newspapers in the issue: Graham owns and operates a 08/20/2021 collection system and waste- and that the fees charged are legal. water treatment facility. The Sworn to and subscribed before on 08/20/2021 City of Graham has completed the Annual Report for fiscal year 2020-21 and a copy is available at the City Municipal Building located at 201 S. Main St. in Graham, NC. Additionally the report is available via the Internet Legal Clerk 9 at the City's website which is www.cityofgraham.com. Any Notary,Stat of WI,County of Brown questions or comments `7)77 l-z S regarding the report may be Mycommisionexpires directed to Cris Routh: Plant Publication Cost: $67.40 Superintendent or Tonya Order No: 6190239 #of Copies: Mann: Utilities Director at Customer No: 514495 -1 336.570.6721 . PO#: THIS IS NOT AN INV©ICE! Please do not use this form for payment remittance. SARAH BERTELSEN Notary Public State of Wisconsin Page 1 of 1 cjl'`'t" OF GRAHAM 2070-2021 ANNUAL PERFORMANCE REPORT OF WASTEWATER TREATMENT OPERATE NAND COL_E DON GENERAL DNFORMAATIION Facility/System Name: City of Graham Wastewater Treatment Plant Responsible Entity: City of Graham Person in Charge/Contact: Tonya Mann, Utilities Director, at 336.570.6721 Cris Routh, Wastewater Plant Superintendent, at 336.570.6721 Ladd Nall, Distribution & Collection Superintendent, at 336.570.6721 Applicable Permit(s): NPDES Permit: NC0021211 Non-Discharge Permit: WQ0003824 Collection System Permit: WQCS00065 Deseriip'don of CoO.Dection System a id Treatment Process The City of Graham operates a Public Owned Treatment Works consisting of a North Carolina Grade II Collection System and a North Carolina Grade IV Wastewater Treatment Plant. The collection system operates under a North Carolina Division of Water Quality Collection System Permit and contains approximately 89 miles of piping and seven lift stations. The lift stations are named Back Creek No. 1, Back Creek No. 2, Boyd Creek, Cherry Lane, Haw River, Old Fields, and Pyrtle Drive. The wastewater treatment facility has a permitted flow of 3.5 million gallons per day (MGD). This facility consists of bar screens, grit collectors, primary clarification, extended aeration, final clarifiers, chlorination, post chlorination basin, de-chlorination, digestion, lime stabilization, sludge disposal, and laboratory. Effluent is discharged to the Haw River designated as Nutrient Sensitive Waters (NSW), which is part of the Cape Fear River Basin. 1 Peruoumairrucee Text Summary of the System Performance for the Period of July 1, 2020 to June 30, 2021. Collection System: The City of Graham collection system is a combination of gravity and forced mains. The city is proactive in monitoring and utilizing various methods to maintain the wastewater collection system. An education program is in place to inform water customers about the impact of improper disposal of Fats, Oils and Grease (FOG). Over '10% of the collection system is hydraulically cleaned annually. Chemical treatment, closed circuit inspection and rehab projects are just a few methods we implement to reduce and eliminate service outages and overflows. During the past fiscal year the collection experienced one reportable wastewater overflow. rift Stations: The City of Graham operates seven lift stations that are maintained by Collection and Distribution personnel. During this reporting period, the lift stations had three reportable sewer overflows. Wastewater Treatment Plant: The City of Graham Wastewater Treatment Plant's permit has limits on Flow, Biological Oxygen Demand, Total Suspended Solids, Ammonia, Dissolved Oxygen, Fecal Coliform, Chronic Toxicity, and Total Phosphorus. Additional testing is performed for Total Residual Chlorine, Temperature, Conductivity, Copper, Mercury, and Zinc. Each month this data is reported to the state thru the electronic Discharge Monitoring Report (eDMR). The City is a member of The Upper Cape Fear River Basin Dischargers Coalition that performs monitoring upstream and downstream of our discharge point on the Haw River as well as other locations on the Haw and Deep Rivers. The Wastewater Treatment Plant had one reportable sewer overflow and no violations of its NPDES permit. NondDlscharge Perrmlt: The City of Graham land applies biosolids to agricultural land under regulations of the Environmental Protection Agency and the State of North Carolina. The City of Graham had no violations in the past year. VoAat ons of perrnK condlutoons or other ell1v ronmeLntaO recMatiiorrte rellattrinp to water c u&&utv from tie above areas September 21, 2020. Sewer Overflow: A reportable sewer overflow of 450 gallons of untreated sewage from the Boyd Creek Liftstation spilled into "Bowden Branch" and entered the Cape Fear River Basin. The spill was caused by construction of new wet well at the station. All equipment and alarms worked properly. 2 November 12, 2020. Sewer Overflow: A reportable sewer overflow of 13,800 gallons of untreated sewage from the Boyd Creek Liftstation spilled into "Bowden Branch" and entered the Cape Fear River Basin. The spill was caused by Inflow and Infiltration from heavy rain in the area. Ali equipment and alarms worked properly. March 25, 2021. Sewer Overflow: A reportable sewer overflow of 1,100 gallons of untreated sewage from the Boyd Creek Liftstation spilled into "Bowden Branch" and entered the Cape Fear River Basin. The spill was caused by Inflow and Infiltration from heavy rain in the area. All equipment and alarms worked properly. April 9, 2021. Sewer Overflow: A reportable sewer overflow of 1,200 gallons of untreated sewage from the Boyd Creek Liftstation spilled into "Bowden Branch" and entered the Cape Fear River Basin. The spill was caused by Inflow and Infiltration from heavy rain in the area. All equipment and alarms worked properly. April 21, 2021. Sewer Overflow: A reportable sewer overflow of 7,200 gallons of untreated sewage spilled into "Haw River" and entered the Cape Fear River Basin." The spill was the result of debris in a manhole. The blockage was cleared and service was restored. April 30, 2021. Recycle line overflow: A reportable overflow of 32,805 gallons (28,755 of which reached Town Branch Creek) untreated sewage spilled near Digester building. The spill was the result of a back-up due to Raw Wastewater pumps tripped out. Alarms did not work properly due to a communication failure within the SCADA system. The pumps were reset, service was restored and lime was applied to areas around the spill. Issue within the SCADA system was addressed. t;ARY During this 12-month period, there were zero NPDES permit violations out of more than 2,400 sample results. The City of Graham had five reportable sanitary sewer overflows of 1,000 gallons or more during this reporting period. The total gallons of overflow were 56,105. Total gallons handled by the system were 698,410,000. Percent gallons overflowed are 56,105 divided by 698,410,000 x 100 = 0.008 %. Therefore, the City of Graham achieved a 99.992 % collection rate of all gallons discharged into the system, excluding any spills that were less than 1,000 gallons. All sludge was land applied per Land Application Permit regulations with no permit violations. 3 • Notfficatio A Public Notice was placed in a local newspaper informing the public that a copy of this report can be obtained at the City of Graham, City Hall located at 201 South Main Street, Graham, NC. Additionally, this report is also, available on the Internet at htto://www.citvo fciraharn.corn/ I certify under penalty of law that this report is complete and accurate to the best of my knowledge. I further certify that this report has been made available to the users or customers of the named system and that those users have been notified of its availability. L112 Tanya Mann Utilities Director City of Graham • • •