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Home My WebLink About07.b. Final report on Wholesale Recycled Water Opportunities Study by RMC Water and Environment 7 b. entral Contra Costa 4RMC )® Sanitary District water and environment Recycled Water Wholesale Opportunities , Central Contra Costa Sanitary District Board Meeting February 18, 2016 Complex Challenges Innovative Solutions Agenda * Overview of Recycled Water Supply Yield 6 Overview of Regional Water Facilities & Market Assessment ® Alternatives Evaluation Next Steps CCCSD Non - potable Recyc ' • Water Projects-2015 Average Dry Weather Flow : 30 .4 mgd In- plant : 1 . 1 mgd Current Zone 1 (S) : 0 . 5 mgd Zone 1 Future Commitment (S) : 0. 1 mgd Future Concord Naval Weapons Station (S) : 2 . 5 mgd Pending Shell Refinery (CCWD) : 0. 5 mid Potential Available Recycled Water 25.7 mgd (S) = seasonal 4RMC 3 Overview Map of Potential Opportunities y ' Briones ,, ` Reservoir San Pablo Reservoir rj LEGENDI � :fy ` N �. Los Vaqueros EBIVIUU.. D Aqueduct Reservoir CCWD CanalUpper San Leandro DSRSD FacilitiesReservoir t CVP/SWP Facilities r (JRMC wnm,and nnvi.n.m Market Assessment Recycled Water (ReW) Indirect Potable (IPR) Direct Potable (DPR) • CCWD Canal • EBMUD Mokelumne • EBMUD Mokelumne • Local Golf Courses Aqueduct #1 or #2 Aqueduct #1, 2, or 3 • Local refineries • EBMUD San Pablo Res. • CCWD Mallard Reservoir • Export to Ag - DMC EBMUD Briones Res. Bollman WTP • Export to DERWA • EBMUD Upper San • Export to Delta Leandro Res Diablo • Lafayette Reservoir FI- Los Vaqueros Reservoir --Wastewater — • CCWD Clayton groundwater recharge • Send San Ramon • DSRSD groundwater Pump Station to recharge DSRSD 6R 5 Preferred Alternatives Recycled Water to Refineries Export Recycled Water to Agriculture Augment Regional Potable Water Supplies � 6 Alt # 1 — Recycled Water to Refineries t rl , Suisrur Bay e qrr . �S `t v + . r Utilizes existing infrastructure 1mgd demand YI 16RMC water And nnvlrnnm nt Alt #2 — Recycled Water to DMC L i-� Y J C.f t l C Y+t`U fT,i�},], k j. " . . 1 - ' w 1 1 N A .rr� Ntl '. r ta4e W t r Project• •�. Genlral.Ualley Project 16RMC w:�,nr nntl�nvirnnnuinl , ,i Alt #3 Augment Regional Water Supplies DSRSD e,= VI; NATION Bay Area Regional PLA dt Reliability Partners ( BARR) CCWD MMW� «r. •. .::��K « � CCD -..,.- �. ^,4.��. pp, AAAI I>« �� E B M U D I III Ova rOA k6MUp ..� Z. ••... �� San Francisco PUC `L DBMIINI _h {moi°"""" R11F °` ' Alameda Co. WD 1F � � YA .111-11 Santa Clara Valley WD ur�urnc�Nl (041 'e�tr6Rnk ..• =- Zone 7 z .•,�sFvue R`" Acwu 7ON17 Marin Municipal WD •• Ir kl: Bay Area Water Suppliers IMISF & Conservation Agenciesencies W KYWD ) BAWSCA Alternatives Summary Evaluation Alt 1 Alt 2 Alt 3a Alt 3b Alt 3c Criteria Refinery Export to Ag IPR through DPR through DPR through Los Vaqueros • Res. - Aqueduct Customer CCWD or CVP Contractor BARR or BARR or BARR or DSRSD DSRSD DSRSD DSRSD Product Water 20 MGD 25.4 MGD 20.3 MGD 20.3 MGD 20.3 MGD Volume Treatment Tertiary w/ Tertiary w/ IPR — FAT DPR — FAT with DPR — FAT with nitrification nit & denit (MF/RO/AOP) additional additional treatment treatment Conveyance Existing 40 mi. 42" 31 mi. 42" 3 miles of 3 miles of Infrastructure infrastructure pipeline pipeline 42" pipeline 42" pipeline Additional Additional Additional Additional Additional Considerations infrastructure infrastructure infrastructure infrastructure needed to wheel needed to needed to needed to to 3rd parties wheel to 3rd wheel to 3rd wheel to 3rd parties parties parties 6R 10 Summary of Estimated Costs Evaluation Alt I Alt 2 Alt 3a Alt 3b Alt 3c Criteria Refinery Export to Ag IPR through DPR through DPR through Los Vaqueros • Res. EBMUD Aqueduct Capital Costs $135.3 M $574.9 M $640.3 M $530.2 M $530.2 M % Treatment 80% 24% 51% 80% 80% % Conveyance 20% 76% 49% 20% 20% Annualized Capital $7.3 M $31.1 M $34.6 M $28.7 M $28.7 M Annual O&M $10.9 M $13.7 M $21.3 M $22.2 M $23.0 M Total Annual $18.2 M $44.8 M $55.9 M $50.8 M $51.7 M Yield (AFY) 221403 28,452 221761 22,761 22,761 Unit Cost ($/AF) $810 $1,600 $2,500 $2,200 $2,300 �� 11 Next Steps Initiate Discussions to Continue Evaluation DSRSD - Refinery RW exchange with CCWD for raw water DPR augmentation through EBMUD San Luis Delta Mendota Water Authority & Reclamation Regional Reliability Partners IPR/DPR as a local reliable supply alternative CCW D Can serve as partner in all alternatives through exchanges ( � � 12 4RMC water and environrrment QUESTIONS ?