2022 Annual Wastewater Treatment Performance Report

10 ANNUAL PERFORMANCE REPORT FOR THE JOHNSTON COUNTY WASTEWATER TREATMENT FACILITIES PERIOD July 01 , 20 2 1 to June 30 , 20 2 2 I General Information Facility Name s Johnston County Wastewater Treatment Facilities Responsible Entity Johnston County Co ntact Person s Chandra Farmer , PE or John D Wall Address PO Box 2263 , Smithfield , NC 27577 Telephone # 919 - 989 - 5075 NPDES Permit # ’ s NC0030716 , NC0084735 , WQCS00060 and WQ0019632 The Central Johnston County Regional Wastewa ter Facilities Permits NC0030716 and WQCS00060 collect and treat wastewater from the towns of Smithfield , Selma , Four Oaks , Wilson’s Mills , Pine Level , Clayton , Aqua NC Flowers Plantation and Carolina Water Service Winston Pointe County facilities a lso extend to and serve the East Clayton Industrial Area , the Cleveland community , NC 42 area east of the Neuse River , and the McGee’s Crossroads area The County operates and maintains a system of sewer line interceptors that extend through Smithfield to Selma Wastewater from Pine Level is pumped into the interceptor at Selma Wastewater from Four Oaks is transferred to the treatment facility through a series of force mains and interceptors involving three 3 pumping stations or can be direc tly pumped t o Benson Each town , excluding Wilson’s Mills , is responsible for operating its own collection system Wastewater from the other s areas identified above is pumped to the County’s treatment facility or the T own of Clayton wastewater treatment facility The treatment plant NPDES Permit # NC0030716 is located south of Smithfield The plant is a tertiary facility permitted to treat and discharge 95 million gallons per day to the Neuse River The plant treatment works consist of primary screening , activat ed sludge with biological nutrient removal , secondary clarification , denitrification filtration , and ultraviolet light disinfection Additionally , the plant stabilizes and dewaters biological sludge for disposal in the County’s lined landfill facility T he County also treats process water NPDES Permit # NC0084735 from the County’s water filtration plant in Wilson’s Mil ls This facility consists of surge decanting tank s , solids thickener , and fine solids polishing basin s with the effluent dechlorinated p rior to discharge to the Neuse River These processes are located at the Timothy G Broome Water Treatment Plant PageII Performance During the period July 01 , 20 2 1 through June 30 , 20 2 2 NPDES Permit # NC0030716 No violations During the period July 01 , 20 2 1 through June 30 , 20 2 2 , the following sanitary sewer overflows occurred under Permit # WQCS00060 Date Location Spill Volume Cause 9 14 2021 175 Peedin Road Smithfield , NC 9,000 gallons Grease obstruction 1 19 2022 5935 Raleigh Road Benson , NC 3,200 gallons Pipe Failure Break 6 30 2022 4917 - 5251 US Hwy 301 Benson , NC 14,400 gallons Pipe Failure Break During the period July 01 , 20 2 1 through June 30 , 20 2 2 , there were no violations for NPDES Permit # 0084735 During the period Ju ly 01 , 20 2 1 through June 30 , 20 2 2 , Biochemical Oxygen demand exceeded the daily limit on January 18 , 2022 # WQ0019632 III Notification This report is available at the Johnston County Department of Utilities located at 309 East Market Street in Smit hfield , the County Manager’s office in the Court House Annex , and has been provided to the towns served by these facilities This report will be available on the County’s web site , wwwjohnstonnccom A public notice was p ublished in the Johnstonian Ne ws notifying users of its availability IV Certification 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 na med system and that those users have been notified of its availability Date 07 22 2022 Chandra Farmer , PE Public Utilities DirectorPage