Table of Contents
3.6 Other Demographic and Socioeconomic Factors…………………………………3-9 Section 4 | Customer Water Use………………………..…………………………………………….4-1 4.1 Description of Defined Water Use Sectors……………………………..…………..4-2 4.2 Past, Current, and Projected Water Use by Sector………..………………………4-3 Estimating Future Water Savings……………………………………………………4-5 Water Use of Lower Income Households…………………………………..……….4-6 Climate Change Considerations on Customer Water Use……………….……….4-6 4.3 Distribution Water System Losses……………….………………………………….4-7 Section 5 | SBX7-7 Baselines and Targets…………………………………………………………..5-1 5.1 2020 Water Conservation Mandate…………………………...…………………….5-1 5.2 Regional Alliance………………………………………...……………………………5-2 Section 6 | System Supplies…………………………….…………………………………………….6-1 6.1 Purchased or Imported Water……………………………………………………….6-2 Imported Potable Water……………………………..………………………………..6-2 Imported Non-Potable Water………………….……………………………………..6-2 6.2 Groundwater…..………………………………………………….……………………6-3 Basin Description……………..………………………………….……………………6-3 IRWD Groundwater Production…………………………….………………………..6-4 Groundwater Sustainability Plan for the Orange County Basin……………..……6-6 OCWD Basin Management……….………………………………………………….6-8 6.3 Surface Water…………………………………..……………………………………..6-8 Irvine Lake……………………………………………………………………………..6-8 6.4 Stormwater……………………….……………………………………………………6-9 6.5 Wastewater and Recycled Water……………………………………..……………..6-9 Sewage Collection, Treatment, and Disposal…………………………………….6-10 Recycled Water Direct Beneficial Uses……………………………………………6-13 Current and Projected Use of Recycled Water………………………….………..6-14 Optimizing Future Recycled Water Use – Recycled Water Projects…...………6-14
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IRWD – 2025 Urban Water Management Plan – Table of Contents
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