The Greater Hazleton Joint Sewer Authority (Authority) owns wastewater conveyance and treatment facilities serving the vicinity of Hazleton in Luzerne County, Pennsylvania. The Authority’s conveyance system receives sewage from sanitary and combined sewers serving the City of Hazleton, Borough of West Hazleton, areas of Hazle Township, including the Valmont Industrial Park, and portions of Sugarloaf Township.
Each contributing municipality is responsible for the operation, maintenance and repair of their respective collection systems. This includes removal of blockages and the cleaning of catch basins. Monitoring of the quality of wastewater discharged to the Authority’s system is performed as part of the Industrial Pretreatment Program.
The Authority’s system consists of approximately 3.3 miles of force mains, 4.6 miles of conveyance sewers, fourteen (14) wet weather diversion chambers, one (1) diversion chamber at the treatment facility, four (4) pump stations and the treatment facility with a permitted average hydraulic capacity of 8.9 million gallons per day (MGD). Wastewater treatment processes at the treatment plant include screening and grit removal, parshall flume flow metering, primary sedimentation, two-stage biological treatment of primary effluent, secondary settling, and disinfection of final effluent prior to discharge into the Black Creek. Operation of the system is regulated by a National Pollutant Discharge Elimination System Permit (NPDES Permit #PA0026921).
The combined sewer collection system conveys domestic and industrial wastewater, and during wet weather, rainfall runoff. The main sewer interceptors are equipped with combined sewer regulators to divert flow in excess of normal dry weather flow to receiving streams. A diversion gate at the head of the treatment plant automatically diverts flow in excess of 14.6 million gallons per day (MGD) to the Black Creek. The diversion of flow is necessary to prevent overloading of the sewers and treatment plant. The Authority’s system, which during high wet-weather flow conditions, diverts combined sewer overflow discharges to one of thirteen (13) permitted combined sewer outfalls.
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