Loading...
HomeMy WebLinkAboutSS4 - Groundwater Replenishment System - PowerPointMarch 14, 2023 Item No. SS4 Grouvxdwater Replaxiskment System Ff*vlal avisioK Presevitatiovi Rob Tkompsovt, OC Smitatiovi District Kelly Rowe, OC Water District Stepkevt Skeldovt, OC Water District Mark Vukojevic, N13 Utilities Dept. %O-WV1P1z4YN>1 Iiizz--f FORS City Council MeetiKg Study SessioK March 1-4, 2.02.3 Utilities Department CLEAN GROUNDWATER PUMPED WASTEWATER GENERATED SA ORANGE COUNTY SANITATION DI WATER PURIFIED WASTEWATER TREATED Utilities Department 388 miles of sewers 479 square miles -180 million gallons per day 2.6 million population 2 treatment plants 15 ❑ pump stations 20 cities 4 special districts unincorporated parts of County of Orange OCSan Business ■ ■ ■ ■ Residential Industrial Local Manhole Local Sev Treatment _- OC San Plants Regional Trunkline G W R S GROUNDWATER REPLENISHMENT SYSTEM To Orange County Water District OCSan Sewer Pipelines Owned and , Maintained r. Y77 by OC San OC6SAN ORANGE COUNTY SANITATION DISTRICT Up To 175 MGD Provided 1!; 16 G W R S 16;6 GROUNDWATER REPLENISHMENT SYSTEM 134,000 ac-ft Production Goal OCSan 9 OCSan • Bolsa Chica '•,State Beach I J 0 Ocean •, Outfa11 Q Q'•�. Pipe - 0 •� O 0 ., .�,� • O 0 Crystal Cove 0 0 ••''••., State Park OCWD n 3 2e5* million people served TV Groundwater Basin provides 85% drinking water • supply 10 board members womanA woman cities and retail water districts in north & central OC Protect rights to Santa Ana River water Paclf a D Orange County Groundwater Basin HUNTINGTON BEACH OnINJECTION WELLS 5L0 fe et Amber Colored Water Natural discoloration 004 — from ancient buried feet plant and woody material 1 1,5oa — feet Newport - Inglewood Fault Zone 2,000 — fee t SANTA ANA O ►s1.0P 1 ;;1 1 «I I Shallow Aquifer - 1 Principal i Aquifer f CROSS SECTION LOCATOR MAP r.. A II _ RECHARGE �\ low BAS N$ Dee' V I B -Aquifer Peralta , 1 * Hills ANATA l Fault RIVER Consolidated, 2,500 — non -water -bearing feet formations Aquitards Aquifers Low -permeability clay Lj Water -bearing and silt deposits sand and gravel El AREA MANAGE] BY GCWD G R0� =�Nflwat�� . nevtEW,SxxY,,,,�F,. 'K an Groundwater Replenishment System (GWRS) u Santa Ana River Baseflows and Stormflows U• Natural Rainfall mported Water ORANGE COUNTY WATER DISTRICT Groundwater Replenishment System ■ Largest potable reuse project in the world ■ Online since January 2008 (70 MGD) Expanded May 2015 (100 MGD) ■ Final Expansion complete in 2023 (130 MGD) ■ Purifies sewer water that would otherwise be discharged to the ocean ■ Addresses seawater intrusion, combats drought, and increases local water supplies ■ 400+ billion gallons produced since 2008 MGD = million gallons a day GWRS Final Expansion Final Expansion Construction: ■ Expanded treatment facilities at GWRS ■ New conveyance facilities at OC San Is Plant 2 ■ Pipeline rehabilitation from Plant 2 and GWRS 0% NORTHERN CALIFORNIA � �/-Irovt� r O% OCEAN DESALINATION ONO NEWPORT BEACH 23% COLORADO RIVER 77% RENEWABLE GROUNDWATER Utilities Department 0% NORTHERN CALIFORNIA Utilities Department r 0% OCEAN DESALINATION OEM ...... NEWPORT BEACH 15% COLORADO RIVER 85% RENEWABLE GROUNDWATER