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Wastewater is water that is discharged to the sanitary sewer system by either being poured down a drain or down a toilet.   

All wastewater discharged to the sanitary sewer system (i.e. poured down a drain or flushed down a toilet) must comply with local, state, and federal standards. Rules are designed to protect surface waters, health and safety in the treatment works, and to maintain the quality of biosolids at wastewater treatment plants. 


The Pocatello campus has a Non-Residential Wastewater Discharge Permit (Permit No. ISU080219).  This permit regulates the discharge of wastewater from campus to the wastewater treatment plant.  The permit was effective 9/1/2019 and expires on 8/31/2024. The permit requires mandatory water quality sampling once per academic year at multiple outfalls across campus. 

The Idaho State Pocatello Campus discharges wastewater from classrooms, research laboratories, medical and dental facilities, dining facilities, residence halls, event centers, retail stores, a swimming pool, and technological areas to the City of Pocatello Wastewater Treatment Plan.  Idaho State is committed to preventing the discharge of pollutants into the sanitary sewer that may pass through or interfere with the operation of the wastewater treatment plant or reach waters of the State. In compliance with permit requirements, EHS has developed a Wastewater Operations and Maintenance Plan.