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HomeMy WebLinkAboutSS6 - OC Water District Regarding OC Water Basin - PowerPoint1wORANGE COUNTY WATER DISTRICT Stephen R. Sheldon, Director ,April 25, 2017 Item No. SSB John Kennedy, Executive Director of Engineering and Tater Resources April 25, 2017 L � � SINCE 1933 ORANGE COUNTY WATER DISTRICT ORANGE COUNTY WATER DISTRICT (OCWD) Formed in 1933 by an act of the .�n California legislature to manage the OC Groundwater Basin and protect C]C's rights to the Santa Ana River d OCWD provides groundwater to 19 municipal and special water districts that serve 2.4 million customers in north and central Orange County.. • Currently groundwater provides ?S% of the total water demands in the OCWD service area I e in Newport Beach nnn�t■� _ "M r- - I 91 Water Users w :n Treated Water Imported from the Colorado River Northern California 2 5% 4 Rainfall and © Snarnnek A .. The Water Cycle in Newport Beach ■ N MN Water Users 4 'f` Treated Water Imported from the Colorado River Northern California 25U/0ft The Water Newport h Rainfall and. Sno-41TIelt Used 'a atw Up stream MUM ►Santa Ana Local River Flow Rainfall ra,rg Cau ty Gryd t'+r Cycle Beach i n Irlll''ater Users ti{ fkURti*A Treated Water Imported from the Colorado River Northern California 25% The Water Cycle in (� 0- Rainiall and Q � 5�o�n•me1! r" *13��d ',"r7le' i` /\ titstre., kw Santa Ana Local River Flow Rainfall Newpo Untreated Imported 'later rt Beach i fJra� Coun#y G�rcundwater y 14, Water Users 1 � C f➢e]ti u Treated Water Imported from the Colorado River Northern California 2 5% The Water Cycle in *40 Newport beach �} Rainiall and � � Sne��n^rneke + Used Water Upstream AwL m S a nt a }dna Local River flaw Rainfall ffi Untreated Imported Water Treated Wastewater ■■■ ■■■ ■■■ son 9v Water Users met LJ Treated dater Imported from the Colorado River I& Northern California 2 5% The Water Cycle in Newport Beach Radnfall and Snovanal! Cl + used WM�' Uastfearr ,,Santana Local v,j River, Wow Rainfall M Untreated Imported Water Water Users N 0� F- — Treated Water Imported from the Colorado River Northern California 25% ORANGE COUNTY WATER MSTRICT OCWD GROUNDWATER BASIN SUPPLIES 0 -100,000 0 Target Overdraft -2005000 -3O0,OOO —400,000 -5OO9000 -600,000 -700,0'00 Li} L? T coco col cc 9- r— ti � � co cc cc c© CO m C3) (} 0 0) O o 0 O c Y r a C 1 1 C 3 1 a 1 4 ] e A ! � 1 F � f a t 1 a � a e e o c c c C c c C C C C � C c c c C � 6 C C � C C 401 IL i" ORANGE COUNTY WATER DISTRICT OCWD OPERATIONAL FACILITIES • Operates 400 acre constructed wetlands to remove nitrogen from a portion of the river flows feeding Prado Dam and stores water behind the dam to increase storage. • Santa A►na River (SAR) Facilities in Anaheim and Orange capture grater for groundwater recharge. OCWD maintains water rights to the SA►R downstream of Prado Dam. Groundwater Replenishment System WATER CONSERVATION ELEVATIONS PRADC DAM -- Elevation of spillway 543 ft. a AIL TOTAL FLOOD 5�5ft.,,�,Y,_`SOP" CONTROL TO COAST RECHARGE ---------------------CAPACITY BASINS Sa,a Aga _ _ _ NON -STORM 174,400 acre feet` . _ STORM SEASON SEASON 20,000 10,000 acre feet acre feet Water percolation from basins I - RESERVOIR AREA F17A "7!9 ORANGE COUNTY WATER DISTRICT MANAGING SANTA ANA RIVER WATER ' r • Ana �ow,r Ir s tm ONO - ow .. dOe /00, s.. � NX I. I 0 I . Is I • ORANGE COUNTY WINTER UISTRIC THE GROUNDWATER REPLENISHMENT SYSTEM (GWRS) 100 million gallon per day (MGD) advanced water purification facility Tales surer water that otherwise would be discharged to the ocean, purifies it to near distilled quality and then recharges it into the groundwater basin Provides a new 143,000 acre-feet per year (afy) source of water, which is enough water for nearly 850,000 people Operational since January 2008 (70 MGD) expanded May 2015 (30 MGD) Largest potable reuse project in the world f� at�� Since 1933. " ORANGE COUNTY WATER DISTRIC OCWD & OCSD: Turning wastewater to drinking water ORANGECOUNTY WATER DISTRIC 7 BENEFITS OF GWRS • Creates a new local water supply 0 Ruses a wasted resource Increases water supply reliability Costs less than water from the Colorado River and the State water Project • Uses one-half the energy it takes to import water and one-third the energy to desalinate seawater Improves quality of water in the basin r -I ,,, -)RANGE COUNTY VMTER DISTRICT GWRS FINAL EXPANSION 0 Will increase the capacity of GWRS from 100 MGD to 130 MGD -- provides 134,000 acre-feet per year of supply to the groundwater basin, enough water for over 1,000,000 people CEQA and Engineers report was approved by the Board in September 2016 Will apply for grant funding through Proposition 1 and also State Revolving Fund (SRF) loans Design scheduled to begin in the 2nd quarter of 2017 and project completion will be in the 4th quarter of 2021 1 • 1 . ORANGECOUNTY WATER DISTRlC-- GWRS SUCCESS 40+ awards National & international media attention 36,000+ visitors SEEN ON THE WALL SUU JOURNAL . ■ 1 I ■ ■ i F JPI .izzFeea L f 41t P ORANGE COUNTY WATER DISTRICT ��Mm T. sign up for tours or for more information, visit us at www.ocwd.com. To receive our newsletter, please leave your card with our staff member. E C0 D 5 SINCE 1933 For further information or questions contact: John Kennedy Executive Director of Engineering and Vater Resources, Engineering and Local Resources Facebook.com/OCWaterDistrict @OCWDWaterNews @OCWD (714) 378-3304 Ikennedy@ocwd.com 18700 Ward Street Fountain 'Dalley, CA 92798 www.ocwd.com