Transcript Slide 1
Industrial Wastewater Reuse Jerimiah Fenton, E.I.T. Wastewater Reuse Coordinator Industrial Wastewater Reuse • Wastewater treatment option • Reuse of spent water from facilities Land Application Wastewater applied to fields as irrigation water for crops Wastewater Treatment • Nutrients are integrated into the soil structure • Nutrients are absorbed by crops (alfalfa, grain, corn) Reuse Permitting • • • • • 58.01.11, Ground Water Quality Rule 58.01.16, Wastewater Rules 58.01.17, Recycled Water Rules State Issued Permit from DEQ Municipal and industrial facilities only Current Permits Issued • Twin Falls Regional Industrial Permits – Glanbia Foods, Inc. (2) – The Amalgamated Sugar Co. (2) – Seneca Food, Inc. – Evard, LLC – Raft River Energy www.deq.idaho.gov/permitting/issued-permits.aspx Permits: Limits • • • • Water applied Nutrients (N,P) Salts (TDS, NVDS) Organics (COD) Permits: Monitoring Wastewater, Soil, and Groundwater Quality Permits: Compliance Activities • Detailed operational and monitoring plans • Investigative environmental reports Permits: Reports • Annual site performance report • Incidents or events (noncompliance) Pros: Natural Treatment • Wastewater is treated naturally • Provides nutrients to crops • Reduces need for supplemental fertilizer Pros: Surface Water • Reduces discharge to surface water • Reduces irrigation water diversions Pros: Crops • Income from harvest of crops helps offset treatment expense • Source: Google Pros: State Issued Permit • No federal discharge permit required (NPDES) • DEQ oversight – Issue permits – Plan and specification reviews – Site inspections – Review annual reports Cons: Application Limited • Growing season • Crop uptake • Potential to leach into groundwater • Odor management Cons: Winter Storage • Large storage may be required Cons: Winter Application Summary • Wastewater reuse is beneficial, efficient, and sustainable • May require large amount of farm land and storage • Great option when properly managed Jerimiah (J.J.) Fenton Idaho DEQ (208) 736-2190 [email protected] Quick bio: I am an EIT currently employed at the Idaho DEQ Twin Falls Regional Office as the Wastewater Reuse Coordinator. I earned my Bachelors and Masters degrees in Civil and Environmental Engineering from Utah State University.