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HomeMy WebLinkAboutITEM 20A - Operations Presentation I Lai 50, AN xi Orange CountySanitation District Wastewater Treatment Operation .4411, Y OCSD Service Area • 3rd largest wastewater treatment agency west of the Mississippi • 479 square miles of service area • 2.6 million population • 396 miles of trunk sewer I lip • 20 cities, 4 special districts 2 treatment facilities � • 15 r!I pump stations • 1850 million gallons of wastewater per day • Guinness World Record holder! - • - • :-Ma - r t ' airr{J tu; star rius • r:�:�rrtain 'fu�fin `fali�y •Ii• O O Reclamation f• to Plant No. 1 irvino Pacific Treatment Ocean o o _ O Plant No. 2 Water Reclamation Process Influents water preliminary water Primary water Secondary Residential, Industrial Treatment = Treatment and Commercial �,77 Treatment z�®®jam®o„ vr) MW T Primary Sludge Resource Recovery water of Solids Secondary Sludge Biosolids Dewatered Biosolids Groundwater 1110 Replenishment System - i (GWRS) or Ocean JCompost & Land �. Application . CI NMIii I�.: 111o. 1I �■ 6 r !I /� • A _ Y 4 6 � r . ■ ■ � ■ ■ M ■ r 0 /r�'/�rM Gd a ' ' rF 21 � r• 1 rMIL Treatment Plant No. 2 -,:L "70- lift pw rNQ _ n Metering and Diversion Structure Ul�a� I ► r � A a - Plant 1 Metering and Diversion Structure Preliminary Treatment Barscreen Grit Chamber grit chamber raw sewage � . . •. . . sewage with grit removed grit removed periodically from collection trap 1 � tl',I''l�''I�i•h� I�RIL'�]u I s s Primary Treatment Rectangular Clarifier i Circular Clarifier , 'lilt t jib' s� 1 lot �'' Secondary Treatment Activated Sludge Process Oxic Zone 3B Anaerobic Aerobic Secondary clarifier Influent Effluent Return activated sludge _ P � Waste 'r activated sludge Trickling Filter -At Plant 1 Secondary Treatment Secondary Clarifier ..a i—1-Secondary Treatment (Cont.) l s Secondary Clarifier Effectiveness of Water Treatment Primary Secondary Raw Sewage Treated Effluent Treated Effluent oil .rr ♦, i i� J'r l., r X - Y - -- Y 7 Dewatering Operation Belt Filter Press (Current) r r.b as. iiii :ri► �1 - "` Plant 2 Belt Filter Presses - 1 Centrifuge System future in 2 019 _ _ ) S Plant 1 Centrifuges Biosolids Allocations 18% Compost IM.MIM.MIM.MI Liberty Compost CA 142 tons/day, 40 trucks/week NV AZ 36% Compost Kern Synagro — Nursery Products County 285 tons/day, 80 trucks/week Fail-safe Back-up Compost/Landfill San Bernardino County Synagro -- South Kern Los Angeles Fail-safe Back-up County 5% Compost Compost/Landfill IERCA-- Inland Empire O e 36 tons/day. 10 trucks/%veek Synagro —AZ Soils Co La Paz OCSp Riverside Phoenn• County San Diego Yuma Fail-safe Back-up County County Compost/Landfill OCWR -- Prima Deshecha 41% Feed and Seed Crops Tule Ranch --AgTech 321 tons/day, 90 trucks/week Allocations Based on: 784 Tons per day 220 Trucks per week 100% of the solids are reclaimed for beneficial use Central Generation Engines WI -"Rik tv AL L � -� 7' �� • �• _� � 'r-�^' � it-'• � . \ F# �ikr•' . Vu 5 � I wP Plant 2 Central Generation Engines 2017-18 Operation Expenses FY 17/18 OPERATION BUDGET: $59.5 MILLION Outfall 3% Odor Control 4% Preliminary/Primary 20% Secondary 16% Solids Production & Hauling 57%