Item 10 — original pdf

Backup

Water Forward 10/12/2022 Water Forward Overview Water Forward is Austin’s 100-year integrated water resource plan to develop and implement diverse and environmentally conscious water management strategies to adapt to growth, drought, and climate change and ensure a sustainable, resilient, equitable, and affordable water future for our community for the next 100 years. Plan DriversPlan Drivers Population Growth Climate Change Water Forward 2018 (WF18)  Developed by Austin Water with the Council- appointed Water Forward Task Force and community input  Technical work supported by engineering, climate science, and hydrology consultants  Approved by Council in November 2018 WF18 Strategies • Indirect Potable Reuse Future Demands with Implemented Strategies d n a m e d f o F A 0 0 0 1 d n a D C P G , 600 500 400 300 200 100 0 l n o i t a u p o P 4,000,000 3,000,000 2,000,000 1,000,000 2020 2040 2070 0 2115 WF18 Implementation Progress My ATX Water Advanced Metering Infrastructure project begun 0 2 0 2 Onsite Water Reuse System (OWRS) regulatory framework and incentive approved by Council 1 2 0 2 Execution of consultant contract for Aquifer Storage and Recovery Pilot and Program Management project approved by Council Water benchmarking, onsite water reuse, and extension of reclaimed water connection requirements approved by Council New Voluntary Reclaimed Water Connection incentive developed Region K water plan adopted by Texas Water Development Board ASR preliminary storage zone screening completed and aquifers in Travis, Bastrop, and Lee Counties identified for detailed study My ATX Water: installation of 74,000 meters completed Water Forward 2024 plan update process begun 2 2 0 2 Irrigation and Landscape Ordinance  Currently in the stakeholder engagement phase  Ordinance will apply to new single-family residences and will set requirements for conserving water in irrigation systems and landscapes speakupaustin.org/irrigation-and-landscape-ordinance-update-for-single-family-residential Water Use Benchmarking www.austintexas.gov/page/water-benchmarking Onsite Water Blackwater Reuse Pilot OSCAR (On-Site Collection and Reuse) and CLARA (Closed-Loop Advanced Reclaimed Assembly) austintexas.gov/department/oscar-and-clara-pilot-project-faq Onsite Water Reuse System Program Phase I went into effect December 2020 Phase 2 to take effect December 2023 Voluntary* OWRS Program  New OWRS regulations in Title 15 (Utility Regulations) for the design, permitting and operation and maintenance of multi- family & commercial systems  Encourage voluntary adoption of OWRS in new development to test out the new regulatory framework with pilot incentive *Mandatory for 100 ton+ cooling towers Mandatory OWRS Program  Mandatory installation of OWRS for commercial and multi-family developments >250,000 sq. ft. in Title 25 (Land Development Code)  Rules will be posted on the applicability for the mandate along with provisions for enforcing the mandate austintexas.gov/department/onsite-water-reuse-systems Centralized Reclaimed Planned 2040 Centralized Reclaimed System  Expansion of the system  Extension of reclaimed connection requirements Aquifer Storage and Recovery About ASR: How It Works • When water supplies are plentiful, available water from Austin’s drinking water system is pumped into an aquifer underground. • Treated, potable water is stored in the aquifer until it is needed. • When Austin’s regular water supply becomes low, stored water can be pumped out of the aquifer • Stored water is tested and treated before delivered to customers. ASR Project Timeline 2021-2023 Identify locations for testing and possible projects 2028-2035 Design and construction of full-scale ASR project 2024-2027 Conduct field testing and small-scale project testing to develop recommendations for a full-scale ASR project Water Forward 2024 (WF24) Project Plan Task 1 - Project Management Task 2 - Community Engagement Task 3. Refine planning methodology Task 4. Forecast baseline water demands Task 6. Identify water resource needs Task 7. Identify, screen, and characterize strategies Task 8. Develop and evaluate 50-yr water resource portfolios Task 5. Update climate and hydrology analysis Task 9. Develop plan recommendations and 100-yr adaptive management plan WF24 Guiding Principles Create a plan that is resilient to growth, drought, and climate change Use a holistic and inclusive approach to water resource planning that incorporates the Austin community’s values Include diverse water management strategies that make use of all water sources, including reuse, conservation, and efficiency Use an equity and affordability lens to develop and implement the plan Protect the health of the Colorado River and natural environment Minimize implementation and operational risk Focus on locally available water supplies Key changes from Water Forward 2018 Category Water Forward 2024 Approach n o i t a n d r o o C i y t i u q E l y g o o d o h t e M Describing WF24’s relationship to related AW and COA efforts Better alignment with regional water planning considerations, including decadal timesteps through Region K planning period Development of Equity and Affordability Road Map Development of Equity and Affordability Tool Clearer approach to water needs identification More robust approach to addressing risk and uncertainty Planning for Uncertainty in WF24  Develop range of futures  Find common near-term strategies that work for a broad range of futures  Develop adaptive management plan with key decision points  Re-evaluate at key decision points s o i r a n e c s g n i l e d o M Range of demands Possible climate futures Droughts Worse than the Drought of Record Regional supply trends Water Forward 2024 Decision points Range of plausible future water needs A C D B E 2120 Temperature • Annual mean temperature is projected to increase • Number of hot days with temperatures above 100°F are projected to increase • Rainfall distribution is projected to • Less frequent and more intense rainfall events are projected Rainfall change Dry Days • Number of dry days with precipitation below 0.01” are projected to increase Projected high-level climate trends in the basin Based on initial Task 3 results Planning with an Equity Lens Outreach recommendations to improve procedural equity Education and Engagement Plan (EEP) Public input Equity Grounding for Task Force and CAG Input on Equity & Affordability (E&A) considerations Equity and Affordability Road Map (EARM) Equity Training for AW staff E&A framework Equity and Affordability Tool Community input Water Forward 2024 Plan Strategy characterization & portfolio evaluation Next Steps Visit us online at speakupaustin.org/water- forward-2024 Request a presentation at a community event or meeting Workshop Agenda Thank You Sign up for the Water Forward Newsletter