Austin Integrated Water Resource Planning Community Task ForceSept. 20, 2022

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Single Family Residential Landscape Transformation Water Conservation Division September 20, 2022  Landscape Transformation Ordinance (D5) • From traditional landscaping to plants with reduced water needs • New single-family residential • Potential limits on turf and irrigation • Savings goal of 2,490 AF (2.2 MGD) by 2040 Internal City Stakeholders  Watershed Protection Department (WPD)  Development Services Department (DSD)  Austin Energy (AE) – Green Building  Sustainability Office  Equity Office  Planning and Housing Department  Wildlife Austin (PARD) Public Meetings  Venue / Virtual Options  Activities  Public Notices  Marketing  Meetings: February and May 2022 External Stakeholder Meetings  Home Builders Association of Greater Austin (HBA) Association  Central Texas Professional Irrigation  Association of Professional Landscape Architects (ASLA)  Texas Nursery and Landscape Assoc. (TNLA – Region 8)  Environmental Advocates SpeakUp Austin, Online Public Comments, and Other Outreach  SpeakUp Austin • Comments • Free form input • Informational videos • Future Meeting Dates • Survey  Social Media Posts  Other Public Outreach Transforming landscapes to save water Build with savings Set customers up for success Encourage alternative water Build with savings Education & Enhanced Inspections Water Savings (gal/yr/home) Soil 6" with 20% compost To Be Determined (TBD) Decompacted soil Mulch 2-3” Plants from an approved plant list TBD N/A TBD Cost (per home) $800 + DSD inspection TBD + DSD inspection N/A N/A Build with savings And/Or  Limit turf grass area • Up to 50% of landscape area; 2,250 sqft max • Savings: 4,500 gal/yr/home • Cost: • DSD inspection • Add. bed cost - $6 per sqft  Limit irrigation area • Up to 50% of landscape • Savings: 9,800 gal/yr/home area • Cost: • AW inspection Set customers up for success Better irrigation Require pressure reduction devices (PRD) Irrigation inspection (post- installation) Offer new home irrigation check-ups within 90 days Water Savings (gal/yr/home) Cost (per home) 6,100 (22% savings) $400 + AW inspection 2,800 (10% savings) AW inspection 1,400 (5% savings) AW staff Encourage alternative water  Required gray water laundry to landscape plumbing • Available in all new homes  Incentivize new home rainwater harvesting • Incentivize building homes with tanks/systems • Supply: 3,500 gal • Cost: <$1,000 • Supply: 5,000 • Cost: TBD Bundling activities into scenarios In all scenarios Build with savings (soil) Setting up customers for success Encourage alternative Options Limiting turf and/or irrigation Scenario #1 (Turf) Build With Savings (soil) Build With Savings (turf limit) Setting Up For Success (PRD, system inspection & check-in) Total Encourage Alternatives (graywater & rainwater) Water Savings (gal/yr/home) Builder Cost (per home) Responsible Department TBD 3,600 10,300 14,800 $800 + TBD DSD Inspection $5,800 - $11,800 DSD Inspection $400 AW Inspection $7,000 - $13,000 +TBD 8,500 <$1,000 + TBD DSD and AW Scenario #2 (Irrigation) Build With Savings (soil) Build With Savings (irrigation limit) Setting Up For Success (PRD, inspection, & check-in) Water Savings (gal/yr/home) Builder Cost (per home) Responsible Department TBD 10,000 5,200 $800 + TBD DSD Inspection $0 $400 AW Inspection AW Inspection Total 15,200 $1,200 + TBD Encourage Alternatives (graywater & rainwater) 8,500 <$1,000 + TBD DSD and AW Scenario #3 (Turf + Irrigation) Water Savings (gal/yr/home) Builder Cost Responsible Department Build With Savings (soil) TBD $800 + TBD DSD Inspection Build With Savings (turf limitation) 300 - 4,500 $5,800 - $11,800 DSD Inspection Build With Savings (irrigation limit) Setting Up For Success (PRD, system inspection & check-in) 9,800 5,200 0 AW Inspection $400 AW Inspection Total Encourage Alternatives (graywater & rainwater) 15,300 – 19,500 $7,000 - $13,000 +TBD 8,500 <$1,000 + TBD DSD and AW Next Steps  September • DSD/WPD  December • Develop ordinance language • Water Forward Task force  January  October/November • COA stakeholders • SpeakUp Austin! • Affordability review • Legal review  March-May • Stakeholder/public meetings • WFTF, RMC, and WWWC • RMC and WWWC • City Council How can Austin grow and meet our water use goal? Build with savings Set customers up for success Encourage alternative water