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HomeMy WebLinkAbout06.a. PowerPoint-2014 National Pollutant Discharge Elimination System (NPDES) Annual Report2014 National Pollutant Discharge Elimination System Annual Report Ann K. Sasaki Deputy General Manager February 5, 2015 'Ca-CM-11W" _ t . _ L _ Protecting Puhttc Heohh wd the Ea.,iDmttent 2014 NPDES Annual Report Total flow treated = 12.7 billion gallons (13.1 billion in 2013) Average daily flow = 35.6 million gallons (35.9 million in 2013) Peak hourly flow = 119 million gallons per day (67 million in 2013) Ash disposal = 4.010 tons (wet weight for soil amendment; unchanged from 2013) 2014 NPDES Annual Report .- CBODmon. avg. (mg/L) = 5.3 mg/L (Limit = 25 mg/L) I- CBOD (% removal) = 97% (Limit = Minimum of 85 %) I" TSSmon_ avg. (mg/L) = 6.2 mg/L (Limit = 30 mg/L) TSS (% removal) = 98% (Limit = Minimum of 85 %) .- Entero(MPN /10Omi) = 4 (Limit = Geometric Mean of < 35) Bioassay (% survival) = 95.5% (Limit = 11 Sample Median > 90 %) 2014 NPDES Annual Report Completed over 15,000 analytical tests Approximately 11,000 hours of laboratory work 100 percent compliance with NPDES Permit requirements NACWA Platinum Award - 17t" Consecutive Year! 2014 NPDES Annual Report Acknowledgements: Laboratory Operations Department Engineering Department Administration Department Board of Directors Recommendation Receive the 2014 NPDES Annual Report