2 — original pdf
Backup
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