2021 Annual Wastewater Treatment Performance Report

10 ANNUAL PERFORMANCE REPORT FOR THE JOHNSTON COUNTY WASTEWATER TREATMENT FACILITIES PERIOD July 01 , 20 20 to June 30 , 20 2 1 I General Information Facility Name s Johnston County Wastewater Treatment Facilities Responsible Entity Johnston County C ontact Person s Chandra Farmer , PE or John D Wall Address PO Box 2263 , Smithfield , NC 27577 Telephone # 9199895075 NPDES Permit # ’ s NC0030716 , NC0084735 , WQCS00060 and WQ0019632 The Central Johnston County Regional Wastewater F acilities Permits NC0030716 and WQCS00060 collect and treat wastewater from the towns of Smithfield , Selma , Four Oaks , Wilson’s Mills , Pine Level , and Clayton County facilities also extend to and serve the East Clayton Industrial Park , the Cleveland co mmunity , NC 42 area east of the Neuse River , and the McGee’s Crossroads area The County also provides bulk transmission and treatment services for two private utilities Aqua NC - Flowers Plantation and Carolina Water Service - Winston Pointe The Coun ty operates and maintains a system of sewer line interceptors that ex tend through Smithfield to Selma , and w astewater from Pine Level is pumped into this interceptor system The County transfers w astewater from Four Oaks to the Town of Benson through a for ce main along US 301 or diverts flow to the County’s treatment facility through a series of force mains and interceptors involving three 3 pumping stations Each town is responsible for operating its own collection system The County collects wastewater from the other areas identified above and pumps the flow to the County’s treatment facility or the T own of Clayton wastewater treatment facility The treatment plant NPDES Permit No 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 , activated sludge with biological nutrient removal , secondary clarification , denitrification filtration , and u ltraviolet light disinfection Additionally , the plant stabilizes and dewaters biological sludge for disposal in the County’s lined landfill facility The County also trea ts process water NPDES Permit No NC0084735 from the County’s water filtration p lant 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 prior to discharge to the Neuse River These processes are located on the Timothy G Broome Water T reatment Plant site PageII Performance During the period July 01 , 20 20 through June 30 , 20 2 1 for NPDES Permit No NC0030716 , a flow violation occurred in February 2020 During the period July 01 , 20 20 through June 30 , 20 2 1 , the following sanitary sewer overflows occurred under Permit No WQCS00060 Date Location Spill Volume Gallons Cause 07 30 20 861 Winston Road Clayton , NC 1 , 600 Contractor working for NCDOT damaged 8 ” ductile pipe 8 31 20 Duchess Downs WWPS 300 Royalty Ct Garner , NC Holt Lake WWPS 560 Wilkins Road Four Oaks , NC Maycraft WWPS 96 Hillsboro Rd Four Oaks , NC Devils Racetrack WWPS 747 Devils Racetrack Rd Four Oaks , NC Four Oaks WWPS 400 Fawnbrook Dr Four Oaks , NC 1 , 500 37,500 15,000 10,000 78,000 Exceptionally intens ive rainfall 8 - 14 inches of rainfall recorded throughout the service area 11 10 20 191 Technology Dr Garner , NC 17,000 A larms and notification system failed on c ontractor for NCDOT temporary by - pass pumping system 11 12 20 748 Devils Racetrack Road Four Oaks , NC Four Oaks WWPS 400 Fawnbrook Dr Four Oaks , NC Selma WWPS 1457 W Noble St Selma , NC 18,000 39,360 300,750 Exceptionally intensive rainfall 8 - 12 inches of rainfall recorded throughout the service area 11 17 20 191 Technology Dr Garn er , NC 6,400 Pipe plug fai lure during by - pass pumping by c ontractor for NCDOT 03 01 21 5347 Cornwallis Rd Garner , NC 5,800 Ball check valve failed on private sewer service PageDuring the period July 01 , 20 20 through June 30 , 20 2 1 , there were no violatio ns for NPDES Permit No 0084735 During the period July 01 , 20 20 through June 30 , 20 2 1 , there were no violations for Permit No WQ0019632 III Notification This report is available at the Johnston County Department of Utilities located at 309 Eas t Market Street in Smithfield , the County Manager’s office in the Johnston County Courthouse , and has been provided to the towns and private utilities served by these facilities This report will be available on the County’s web site , wwwjohnstonnccom A public notice was p ublished in the News and Observer 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 be en made available to the users or customers of the named system and that those users have been notified of its availability Date August 4 , 2021 Chandra C Farmer , PE Johnston County Director of UtilitiesPage