AUSTIN INTEGRATED WATER RESOURCE PLANNING COMMUNITY TASK FORCE January 9, 2024 --12:00pm Hybrid Regular Meeting Austin Permitting and Development Center Room 1405 6310 Wilhelmina Delco Dr, Austin, TX 78752 Some members of the BOARD/COMMISSION may be participating by videoconference. The meeting may be viewed online at: http://www.austintexas.gov/page/watch-atxn-live For more information go to: Austin Integrated Water Resource Planning Community Task Force Public comment will be allowed in-person or remotely by telephone. Speakers may only register to speak on an item once either in-person or remotely and will be allowed up to three minutes to provide their comments. Registration no later than noon the day before the meeting is required for remote participation. The first 10 speakers to register will be allowed a three-minute allotment to address their concerns not on the agenda. To register, contact Emily Rafferty at emily.rafferty@austintexas.gov. The information required is the speaker’s name, item number(s) they wish to speak on if applicable, email address and telephone number (must be the same number that will be used to call into the meeting). CURRENT TASK FORCE MEMBERS: Voting Members: Bill Moriarty Sarah Faust Hani Michel Perry Lorenz Madelline Mathis Todd Bartee Robert Mace, Vice Chair Paul DiFiore Vanessa Puig-Williams Jennifer Walker, Chair Ex Officio Non-Voting Members: Austin Water: Kevin Critendon Austin Energy: Kathleen Garrett Austin Resource Recovery: Donald Hardee Housing and Planning: Tymon Khamsi Office of Innovation: Daniel Culotta Office of Sustainability: Lucia Athens Parks and Recreation: Liana Kallivoka Watershed Protection: Katie Coyne AGENDA CALL TO ORDER – PUBLIC COMMUNICATION: GENERAL APPROVAL OF MINUTES November 30, 2023 DISCUSSION ITEMS 1. Review and approve the meeting minutes from the Regular Task Force meeting on 2. Update on Lower Colorado River and Highland Lakes water supply conditions 3. Water Forward 2024 community engagement update 4. Presentation of Water Forward 2024 initial list of water management strategies and initial feedback from Task Force on strategies and portfolio themes VOTING ITEMS FUTURE AGENDA ITEMS ADJOURN The City of Austin is committed to compliance with the American with Disabilities Act. Reasonable modifications and equal access to communications will be provided upon request. Meeting locations are planned with wheelchair access. If requiring Sign Language Interpreters or alternative formats, please give notice at least 2 days (48 hours) before the meeting date. Please call Austin Integrated Water Resource Planning Community Task Force Liaison, Emily Rafferty at 512-972-0427, for additional information; TTY users route through Relay Texas at …
Water Forward 2024 initial list of water management strategies January 9, 2024 WATER FORWARD: PLANNING FOR UNCERTAINTY Range of demands Possible climate futures Droughts Worse than the Drought of Record Regional supply trends Develop a range of future conditions Find common near-term strategies that work for a broad range of futures Develop adaptive plan with key decision points Re-evaluate at key decision points Water Forward 2024 Decision points Uncertainty in future water availability A C D B E 2120 WF24 scenario planning methodology overview Goal Define the needs Evaluate potential solutions Identify potential solutions Select the best solution & implementation strategy Ongoing community engagement and equity work Tasks Develop range of future scenarios WF18 implementation evaluation and update Preliminary needs assessment Identify, screen, and characterize additional WMS Use optimization model to identify top-performing WMSs over all scenarios Construct 50-yr portfolios for further evaluation 50-Year portfolio trade-off analysis Conduct vulnerability assessment to identify system stressors Preferred 50-yr portfolio & equity and affordability analysis Adaptive Management Plan (AMP) Outcome Updated WF18 strategies and range of baseline needs WMSs variables and rules for testing Evaluated 50-year portfolios and identified system stressors Water Forward 2024 Plan Timeline 2022 Fall 2024 2024 Water Forward Plan - Strategy Characterization Review strategies considered and/or recommended in Water Forward (WF)18 Review progress of ongoing programs Identify additional strategies for WF24 initial list Screen through feasibility filter (proven technology, sufficient data, etc.) Identify any variables (operational, scale) Update characterization 2024 Water Forward Plan - Strategy Types Water Management Strategy (WMS) Characterization Update • Supply Strategies • Emergency Water Supplies • Demand Management Strategies • Best Management Practices Supply Strategies Photo credit: https://www.austintexas.org/?asset=1570-ig-18008312938866305 Initial List of Supply Strategies Storage Strategies • Aquifer Storage and Recovery (ASR) • New Off Channel Reservoir with Lake Evaporation Suppression • Off-channel reservoir supplied by Colorado River or reclaimed water (Decker Lake) Water rights and water supply contracts • Additional Supply from Lower Colorado River Authority (LCRA) • Regional Partnership with Corpus Christi Potable Reuse Strategies New water supplies • • Indirect Potable Reuse through Lady Bird Lake and Capture Local Inflows to Lady Bird Lake Indirect Potable Reuse - Through Alluvial Aquifer or Bed and Banks • Direct Potable Reuse from Wastewater Treatment Plant • Seawater Desalination • Conventional groundwater • Brackish Groundwater Desalination • Interbasin Transfers Storage Strategies Strategy Origin Status Aquifer …
Water supply outlook Highland Lakes Inflows Average 1942 - Present Average 2008 - 2015 2022 2023 t e e F - e r c A 225,000 200,000 175,000 150,000 125,000 100,000 75,000 50,000 25,000 0 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Combined Storage of Lakes Buchanan and Travis January 1, 2005 through January 1, 2024 2.0M ac-ft Full Storage Austin Drought Contingency Plan (DCP) Storage Volume Trigger Levels 1.4M ac-ft DCP Stage 1 0.9M ac-ft DCP Stage 2 0.6M ac-ft DCP Stage 3 Interruptible stored water for non-Garwood agricultural operations was not provided by LCRA in 2012 through 2015 and beginning with the second growing season of 2022 through 2023. 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024 2025 t e e f - e r c a , e g a r o t S 2,200,000 2,000,000 1,800,000 1,600,000 1,400,000 1,200,000 1,000,000 800,000 600,000 400,000 200,000 0 NOAA 3-month Outlook: Dec - Feb The seasonal outlooks combine long-term trends, soil moisture, and El Nino/Southern Oscillation. There is a greater than 90% chance that El Niño will continue through the winter. Questions?
Water Forward 2024 Community Engagement Update Emily Rafferty 1/9/2024 Fall 2023 and Winter 2024 Community Engagement Schedule Goal: To educate the community and get feedback on WF18 plan and WMS to inform WF24 plan update Timeframe Description September Began refining Equity and Affordability Roadmap history section to post on SpeakUp! Austin page October 3 2 0 2 Eblast to organizations working with marginalized communities to set up 1:1s regarding WF24 Eblast to Austin and Hill Country area environmental organizations about Colorado River Land Analysis project Launch survey to get community feedback regarding WMS for WF24 update November Began holding 1:1 meetings with organizations January Hold in person and virtual workshops with broader community 4 2 0 2 February Continue to hold 1:1 meetings with organizations March Review feedback from survey and meetings with organizations Community Organizations Austin Area Urban League Austin Community Foundation African American Youth Harvest Foundation Austin Justice Coalition Austin Latino Coalition Capital Area Metropolitan Planning Organization (CAMPO) Casa Marianella Central Health Community Powered Workshop Diversity, Awareness, Wellness, Action (DAWA) Go Austin Vamos Austin (GAVA) Green is the New Black El Buen Samaritano Equidad ATX Greater Austin Black Chamber of Commerce Greater Austin Hispanic Chamber of Commerce Hispanic Advocates Business Leaders Austin (HABLA) Hispanic Women’s Network of Texas Huston-Tillotson University Las Comadres Lifeworks Austin NAACP UpTogether National Council for Negro Women St. David’s Foundation Young Hispanic Association Austin Community Organizations Purpose • To get community feedback regarding Water Management Strategies for WF24 update and Equity and Affordability Road Map approach • Organizations that work with marginalized Audience communities Responses • Positive, glad we are thinking about these issues and planning for solutions • Try to engage people in everyday places (grocery store, library, etc.) • More education campaigns • To get community feedback regarding Water Management Strategies for WF24 update Survey Purpose Audiences • Austin Energy sent to geographically statistically valid population in November, kept open for three weeks • Austin Water then added survey to SpeakUp! Austin page for another three weeks Responses • 101 responses from AE survey • 473 responses from SpeakUp! Austin page Survey Question 1 – Supply Strategies The following is a list of water supply strategies. Please rank these strategies in order of priority for implementation. 1 = Top priority 9 = Lowest priority ______Aquifer Storage and Recovery – storing potable drinking water underground in an aquifer during wet times for …
Water Forward 2024 initial list of water management strategies January 9, 2024 WATER FORWARD: PLANNING FOR UNCERTAINTY Range of demands Possible climate futures Droughts Worse than the Drought of Record Regional supply trends Develop a range of future conditions Find common near-term strategies that work for a broad range of futures Develop adaptive plan with key decision points Re-evaluate at key decision points Water Forward 2024 Decision points Uncertainty in future water availability A C D B E 2120 WF24 scenario planning methodology overview Goal Define the needs Evaluate potential solutions Identify potential solutions Select the best solution & implementation strategy Ongoing community engagement and equity work Tasks Develop range of future scenarios WF18 implementation evaluation and update Preliminary needs assessment Identify, screen, and characterize additional WMS Use optimization model to identify top‐performing WMSs over all scenarios Construct 50‐yr portfolios for further evaluation 50‐Year portfolio trade‐off analysis Conduct vulnerability assessment to identify system stressors Preferred 50‐yr portfolio & equity and affordability analysis Adaptive Management Plan (AMP) Outcome Updated WF18 strategies and range of baseline needs WMSs variables and rules for testing Evaluated 50‐year portfolios and identified system stressors Water Forward 2024 Plan Timeline 2022 Fall 2024 2024 Water Forward Plan - Strategy Characterization Review strategies considered and/or recommended in Water Forward (WF)18 Review progress of ongoing programs Identify additional strategies for WF24 initial list Screen through feasibility filter (proven technology, sufficient data, etc.) Identify any variables (operational, scale) Update characterization 2024 Water Forward Plan - Strategy Types Water Management Strategy (WMS) Characterization Update • Supply Strategies • Emergency Water Supplies • Demand Management Strategies • Best Management Practices Supply Strategies Photo credit: https://www.austintexas.org/?asset=1570‐ig‐18008312938866305 Initial List of Supply Strategies Storage Strategies • Aquifer Storage and Recovery (ASR) • New Off Channel Reservoir with Lake Evaporation Suppression • Off-channel reservoir supplied by Colorado River or reclaimed water (Decker Lake) Water rights and water supply contracts • Additional Supply from Lower Colorado River Authority (LCRA) • Regional Partnership with Corpus Christi Potable Reuse Strategies New water supplies • • Indirect Potable Reuse through Lady Bird Lake and Capture Local Inflows to Lady Bird Lake Indirect Potable Reuse - Through Alluvial Aquifer or Bed and Banks • Direct Potable Reuse from Wastewater Treatment Plant • Seawater Desalination • Conventional groundwater • Brackish Groundwater Desalination • Interbasin Transfers Storage Strategies Strategy Origin Status Aquifer …
AUSTIN INTEGRATED WATER RESOURCE PLANNING COMMUNITY TASK FORCE SPECIAL CALLED MEETING MINUTES TUESDAY, January 9, 2024 The Austin Integrated Water Resource Planning Community Task Force convened in a Regular Meeting on January 9, 2024, with Social Distancing Modifications. Chair WALKER called the meeting to order at 12:09 pm. Members in Attendance: Jennifer Walker, Chair Robert Mace, Vice Chair Sarah Faust Madelline Mathis Ex-Officio Members in Attendance: Katie Coyne Members in Attendance Remotely: Perry Lorenz Hani Michel Todd Bartee Bill Moriarty Ex-Officio Members in Attendance Remotely: Members Absent Vanessa Puig Williams Paul DiFiore Austin Water Staff: Sara Eatman Emily Rafferty Marisa Flores Gonzalez Teresa Lutes Kevin Kluge Heather Cooke Others in Attendance: Rep. Stan Gerdes The City of Austin is committed to compliance with the American with Disabilities Act. Reasonable modifications and equal access to communications will be provided upon request. Meeting locations are planned with wheelchair access. If requiring Sign Language Interpreters or alternative formats, please give notice at least 2 days (48 hours) before the meeting date. Please contact Austin Integrated Water Resource Planning Community Task Force liaison Emily Rafferty at 512-972-0427, for additional information; TTY users route through Relay Texas at 711. Page 1 of 2 Ben Watson Andy Weir Karen Hadden Others in Attendance Remotely: Sheril Smith Michele Gangnes PUBLIC COMMUNICATION: GENERAL 1. Sheril Smith gave a public comment virtually. 2. Michele Gangnes gave a public comment virtually. 3. Andy Weir gave a public comment in-person. APPROVAL OF MINUTES 1. Approval of the meeting minutes from the November 30, 2023 Task Force meeting. The minutes from the November 30th meeting were approved on Vice Chair MACE’S motion and Member MATHIS’s second on an 8-0 vote. STAFF BRIEFINGS, PRESENTATIONS, AND/OR REPORTS 2. Update on Lower Colorado River and Highland Lakes water supply conditions The presentation was made by Marisa Flores Gonzalez, Program Manager III, Austin Water. 3. Water Forward 2024 Community Engagement Update The presentation was made by Emily Rafferty, Program Manager I, Austin Water. 4. Presentation of Water Forward 2024 initial list of water management strategies and initial feedback from Task Force on strategies and portfolio themes The presentation was made by Marisa Flores Gonzalez, Program Manager III, Austin Water, Sara Eatman, Engineer A, Austin Water. VOTING ITEMS None Chair WALKER adjourned the meeting at 2:12pm. The minutes were approved at the March 5th, 2024, meeting on Robert Mace’s motion, Hani Michel’s second on a 9-0 vote …
City of Austin Community Interest Announcement Austin Water Director Recruitment: Meet The Candidates Thursday, December 15, 2022 at 6:00 PM City of Austin Permitting and Development Center 6310 Wilhelmina Delco Drive, Austin, TX 78752 Conference Room 1405 A quorum of Water and Wastewater Commission and Water Forward Task Force members may be present. No action will be taken, and no Commission or Task Force business will occur. For More Information Contact Daniel Duran Phone Number: 512 974-3294 Email Address: daniel.duran@austintexas.gov
AUSTIN INTEGRATED WATER RESOURCE PLANNING COMMUNITY TASK FORCE December 12th, 2022 --12:00pm Hybrid Special-Called Meeting Austin Permitting and Development Center Room 1405 6310 Wilhelmina Delco Dr, Austin, TX 78752 Some members of the BOARD/COMMISSION may be participating by videoconference. The meeting may be viewed online at: http://www.austintexas.gov/page/watch-atxn-live For more information go to: Austin Integrated Water Resource Planning Community Task Force Public comment will be allowed in-person or remotely by telephone. Speakers may only register to speak on an item once either in-person or remotely and will be allowed up to three minutes to provide their comments. Registration no later than noon the day before the meeting is required for remote participation. The first 10 speakers to register will be allowed a three-minute allotment to address their concerns not on the agenda. To register, contact Jaynell Nicholson at jaynell.nicholson@austintexas.gov. The information required is the speaker’s name, item number(s) they wish to speak on if applicable, email address and telephone number (must be the same number that will be used to call into the meeting). CURRENT TASK FORCE MEMBERS: Voting Members: Bill Moriarty Sarah Faust Hani Michel Perry Lorenz Todd Bartee Robert Mace, Vice Chair Vanessa Puig-Williams Jennifer Walker, Chair Office of Innovation: Daniel Culotta Office of Sustainability: Lucia Athens Parks and Recreation: Liana Kallivoka Watershed Protection: Katie Coyne Ex Officio Non-Voting Members: Austin Water: Kevin Critendon Austin Energy: Kathleen Garrett Austin Resource Recovery: Tony Davee Housing and Planning: Tymon Khamsi AGENDA CALL TO ORDER – PUBLIC COMMUNICATION: GENERAL APPROVAL OF MINUTES 1. Approval of the meeting minutes from the Regular Task Force meeting on November 8th, 2022 DISCUSSION ITEMS VOTING ITEMS 2. Update on water supply conditions, presented by Austin Water staff 3. Incorporating Equity into the Water Forward Process, presented by Equity Office Staff 4. Update on Water Forward 2024 project status, presented by Austin Water Staff : Overview of population projections FUTURE AGENDA ITEMS ADJOURN The City of Austin is committed to compliance with the American with Disabilities Act. Reasonable modifications and equal access to communications will be provided upon request. Meeting locations are planned with wheelchair access. If requiring Sign Language Interpreters or alternative formats, please give notice at least 2 days (48 hours) before the meeting date. Please call Austin Integrated Water Resource Planning Community Task Force Liaison, Jaynell Nicholson at 512-972-0112, for additional information; TTY users route through Relay Texas at 711. For more information on …
AUSTIN INTEGRATED WATER RESOURCE PLANNING COMMUNITY TASK FORCE December 12th, 2022 --12:00pm Hybrid Special-Called Meeting Austin Permitting and Development Center Room 1405 6310 Wilhelmina Delco Dr, Austin, TX 78752 Some members of the BOARD/COMMISSION may be participating by videoconference. The meeting may be viewed online at: http://www.austintexas.gov/page/watch-atxn-live For more information go to: Austin Integrated Water Resource Planning Community Task Force Public comment will be allowed in-person or remotely by telephone. Speakers may only register to speak on an item once either in-person or remotely and will be allowed up to three minutes to provide their comments. Registration no later than noon the day before the meeting is required for remote participation. The first 10 speakers to register will be allowed a three-minute allotment to address their concerns not on the agenda. To register, contact Jaynell Nicholson at jaynell.nicholson@austintexas.gov. The information required is the speaker’s name, item number(s) they wish to speak on if applicable, email address and telephone number (must be the same number that will be used to call into the meeting). CURRENT TASK FORCE MEMBERS: Voting Members: Bill Moriarty Sarah Faust Hani Michel Perry Lorenz Todd Bartee Robert Mace, Vice Chair Vanessa Puig-Williams Jennifer Walker, Chair Office of Innovation: Daniel Culotta Office of Sustainability: Lucia Athens Parks and Recreation: Liana Kallivoka Watershed Protection: Katie Coyne Ex Officio Non-Voting Members: Austin Water: Kevin Critendon Austin Energy: Kathleen Garrett Austin Resource Recovery: Tony Davee Housing and Planning: Tymon Khamsi AGENDA CALL TO ORDER – PUBLIC COMMUNICATION: GENERAL APPROVAL OF MINUTES 1. Approval of the meeting minutes from the Regular Task Force meeting on November 8th, 2022 DISCUSSION ITEMS VOTING ITEMS 2. Update on water supply conditions, presented by Austin Water staff 3. Equity Overview presented by Equity Office Staff 4. Update on Water Forward 2024 project status, presented by Austin Water Staff : Overview of population projections FUTURE AGENDA ITEMS ADJOURN The City of Austin is committed to compliance with the American with Disabilities Act. Reasonable modifications and equal access to communications will be provided upon request. Meeting locations are planned with wheelchair access. If requiring Sign Language Interpreters or alternative formats, please give notice at least 2 days (48 hours) before the meeting date. Please call Austin Integrated Water Resource Planning Community Task Force Liaison, Jaynell Nicholson at 512-972-0112, for additional information; TTY users route through Relay Texas at 711. For more information on the Austin Integrated Water Resource …
Water Supply Update 12,10612,30610,0445,9506,7684,3997024,86223,3263,45420,864025,00050,00075,000100,000125,000150,000175,000200,000225,000JanFebMarAprMayJunJulAugSepOctNovDecAcre-FeetHighland Lakes InflowsAverage 1942 - PresentAverage 2008 - 201520212022 (Jan.-Nov.) As of 12/8/2022 combined storage was at 1,066,869 acre-feet (53% full). 0200,000400,000600,000800,0001,000,0001,200,0001,400,0001,600,0001,800,0002,000,0002,200,000200520062007200820092010201120122013201420152016201720182019202020212022202320242025Storage, acre-feetCombined Storage of Lakes Buchanan and TravisJanuary 1, 2005 through December 1, 20220.6M ac-ft2.0M ac-ft Full StorageInterruptible stored water for non-Garwood agricultural operationswas not provided by LCRA in 2012 through 2015 and for second season in 2022. NOAA 3-Month Outlook LCRA Forecast Source Questions
Water Forward 2024 Equity Grounding December 12, 2022 Reflection What are the values of the Water Forward Task Force? What are the realities you see? The History of the Equity Office 2015 Headlines Capture Drive for Community Organizing Austin is the best place to live in the nation according to U.S. News and World Report & One of the most economically segregated cities in the U.S. according to the Martin Prosperity Institute And Led To… • 2015: City Council resolution creating Equity Office to administer Equity Assessment • 2016: Chief Equity Officer Brion Oaks hired in October after national search • Equity Assessment tool co-created with community members, 900+ hours of volunteer time City Equity Definition Racial equity is the condition when race no longer predicts a person’s quality of life outcomes in our community. The City recognizes race is the primary determinant of social equity, therefore we begin the journey toward social equity with this definition. The City of Austin recognizes that alleviation of historical and structural disparities are won by critically transforming institutions and creating a culture of equity. A Framework for Equity Equity Lens Thinking & Talking about Power Power is 1. possession of control, authority, or influence over others. 2. the ability to act or produce an effect - “It's in your power to change things”. 3. the right to do something. 4. physical might SYSTEMIC POWER is the legitimate/legal ability to access and control those institutions sanctioned by the state. Our Disparities, Our Gaps Map of Poverty Racial Wealth Gap American Community Survey data (2019) created by City staff Planning Data Who Pollutes, Who is Impacted? 2019 Academy of the Sciences study found while white Americans are majority polluters, Black & Latinx people are impacted by... • increased risk of cardiovascular disease respiratory illness • • diabetes • birth defects What do you know about Austin's racial history? Indigenous Peoples in Texas Indigenous Peoples in Texas Indigenous Peoples in Texas Indigenous Peoples in Austin 1928 Plan “There has been considerable talk in Austin, as well as other cities, in regard to the race segregation problem. This problem cannot be solved legally under any zoning law known to us at present. Practically all attempts of such have been unconstitutional.” pg. 66 Housing Act of 1937 1930s: City of Austin built Rosewood Courts through eminent domain, destroying Emancipation Park, to the dismay of East Austin residents. Urban …
Water Forward 2024 Population and Employment Projections Agenda How Population and Employment Projections are Used in Water Forward 2024 Process to Develop 2020 Population and Employment Estimates Process to Develop 100-year Projections Next Steps How Population and Employment Projections are Used in Water Forward 2024 AW Population & Employment Estimates are used in: State reporting Performance measures Estimating future demands Participation in regional water planning Utility plans Water Forward Disaggregated Demand Model Water supply planning Infrastructure planning Conservation plan/ TCEQ Utility report SER’s and pipe sizing Plant expansions Aligning with budget planning Pop/Emp Projections in WF24 100-year strategic planning • Greater accuracy may be possible to attain for the first 10-20 • Greater uncertainty in terms of geographic resolution and distribution for later years Projections in this Water Forward update will include use years of ranges Overview of planning scenarios • Water availability planning scenarios allow us to plan for a range of possible future conditions. • The scenarios do not represent the probability of any particular outcome. • Historical population and employment show a huge range of growth rates; use the data to establish an envelope of plausible demands. • 5-year updates allow us to adapt to changing conditions. Total water availability planning scenarios: 639 Range of future water availability sequences to test water management strategies (WMSs) 71 Hydrologic Scenarios 3 AW Demand Scenarios 1 Period of Record (POR) sequence 10 Droughts worse than the drought of record (DWDRs) stochastically sampled from POR hydrology 15 Global climate model (GCM) flow output sequences 15 POR sequences adjusted for climate effects 30 DWDRs stochastically sampled from climate-adjusted POR Higher AW demand Baseline AW demand Lower AW demand 3 Regional Supply Scenarios Repeat of baseline regional supplies in second half of century Baseline Region K regional supplies Slower implementation of baseline Region K regional supplies Pop/Emp Projections Used to Calculate Water Use Factors Among Demand Sectors Served Population Distribution Employment Distribution US HighwaysStreet Name symbols (Shields)Impact Fee BoundaryCountiesLakes2015 Employment01 - 3,2693,270 - 6,7576,758 - 13,72013,721 - 25,91825,919 - 49,299DTI POLYGONSUS HighwaysStreet Name symbols (Shields)Impact Fee BoundaryCountiesLakes2015 Served Population01 - 3,1613,162 - 4,8804,881 - 6,7756,776 - 10,88310,884 - 17,467DTI POLYGONS Multifamily Single Family Single Family Multifamily Multifamily Translation to Units & Employment Sectors Units Population Employees Industrial Office Hospitals Schools Hospitality Retail Restaurant Subsectors Water Use Factor Development Commercial Multi-Family Residential Single Family Residential N Water Use Factor (WUF) …
AUSTIN INTEGRATED WATER RESOURCE PLANNING COMMUNITY TASK FORCE November 8th, 2022 --12:00pm Hybrid Special-Called Meeting Austin Permitting and Development Center Room 1405 6310 Wilhelmina Delco Dr, Austin, TX 78752 Some members of the BOARD/COMMISSION may be participating by videoconference. The meeting may be viewed online at: http://www.austintexas.gov/page/watch-atxn-live For more information go to: Austin Integrated Water Resource Planning Community Task Force Public comment will be allowed in-person or remotely by telephone. Speakers may only register to speak on an item once either in-person or remotely and will be allowed up to three minutes to provide their comments. Registration no later than noon the day before the meeting is required for remote participation. The first 10 speakers to register will be allowed a three-minute allotment to address their concerns not on the agenda. To register, contact Jaynell Nicholson at jaynell.nicholson@austintexas.gov. The information required is the speaker’s name, item number(s) they wish to speak on if applicable, email address and telephone number (must be the same number that will be used to call into the meeting). CURRENT TASK FORCE MEMBERS: Voting Members: Bill Moriarty Hani Michel Perry Lorenz Sarah Faust Todd Bartee Robert Mace, Vice Chair Ex Officio Non-Voting Members: Austin Water: Kevin Critendon Austin Energy: Kathleen Garrett Austin Resource Recovery: Tony Davee Neighborhood Housing and Community Development: Tymon Khamsi Office of Innovation: Daniel Culotta Office of Sustainability: Lucia Athens Parks and Recreation: Liana Kallivoka Watershed Protection: Katie Coyne Vanessa Puig-Williams Jennifer Walker, Chair AGENDA CALL TO ORDER – PUBLIC COMMUNICATION: GENERAL APPROVAL OF MINUTES 1. Approval of the meeting minutes from the Regular Task Force meeting on September 20, DISCUSSION ITEMS 2022 staff 1. Update on water supply conditions, presented by Austin Water staff 2. Presentation of Water Forward 2018 implementation progress, presented by Austin Water • Water Forward 2018 Q4 Progress Report • Upcoming Milestones 3. Decentralized Reclaimed Planning Update, presented by Austin Water staff 4. Update on Water Forward 2024 project status, presented by Austin Water staff • Task Progress to Date and Upcoming Milestones • Overview of Scenario Planning Approach VOTING ITEMS 1. Proposed 2023 Meeting Dates FUTURE AGENDA ITEMS ADJOURNMENT The City of Austin is committed to compliance with the American with Disabilities Act. Reasonable modifications and equal access to communications will be provided upon request. Meeting locations are planned with wheelchair access. If requiring Sign Language Interpreters or alternative formats, please give notice at least 2 days …
WF24 Task Progress to Date WF24 Task Progress to Date Task Name Progress to Date Next Steps 2 Community Engagement • Identified preliminary Equity and Affordability themes from feedback compiled thus far • CAG has begun community outreach on E&A • Water Forward University Brown Bag 11/9 • Draft Equity and Affordability Roadmap • Revise draft Education and Engagement Plan themes 3 Planning • Drafted preliminary model logic for testing • Develop reliability metrics for use in testing Methodology combinations of water management strategies in scenarios. 4 Demand Forecast 5 Climate and Hydrology Analysis • Reviewed draft population and employment projections in Delphi sessions including Development Services and the City Demographer • Developed streamflow sequences for climate- adjusted hydrology for use in WF scenarios. • Met with the CTAG to discuss streamflow methodology and ensembling process. • combinations of water management strategies in scenarios Integrating feedback into revised population and employment projections. Begin integration into the updated Disaggregated Demand Model • Develop stochastically sampled sequences of streamflow for use in WF scenarios. • Continue to meet with CTAG to get input on process. Questions
Decentralized Reclaimed Water Forward Task Force November Meeting November 8, 2022 Decentralized Reclaimed: Water Forward Task Force Nov Meeting Agenda: • Decentralized Reclaimed Overview, 15 minutes • Where does Decentralized Reclaimed fit? • WF18 Targets • WF24 Update • Major Takeaways & Next Steps, 5 minutes • Discussion & Questions, 5 minutes Decentralized Reclaimed: Water Forward Task Force Nov Meeting Decentralized Reclaimed Decentralized Reclaimed is the collection of effluent from the wastewater system in development areas, treatment to non-drinking water quality at a small wastewater treatment plant, and reuse at the community scale via a decentralized reclaimed water distribution system that would be separate from the centralized reclaimed water system. Stormwater Harvesting Community Scale Sewer Mining Community Scale Distributed Wastewater Reuse Community Scale Decentralized Reclaimed Systems Decentralized Reclaimed: Water Forward Task Force Nov Meeting Water Forward 18 Targets • WF Targets estimated based on assumed uptake/saturation rates for each strategy. • Lot-scale reuse uptake rates ranged from 10% to 30% • Distributed WW Reuse uptake assumed to be 70% Strategy SF MF COM Scale 2040 Yield Target (MGD) Rainwater Harvesting Graywater Harvesting Blackwater Reuse A/C Condensate Reuse Stormwater Harvesting Sewer Mining Distributed WW Reuse Other Demand Mgmt Aquifer Storage & Recovery S S S S S S S S S S S S S S S S S S S 1.38 1.90 1.18 0.97 0.42 0.89 2.81 21.2 53.5 Lot Lot Lot Lot Lot N/A Lot/Community Lot/Community Community Decentralized Reclaimed: Water Forward Task Force Nov Meeting Where does Decentralized Reclaimed Fit? Private Decentralized Centralized Public Decentralized Reclaimed: Water Forward Task Force Nov Meeting Where does Decentralized Reclaimed Fit? Private Onsite Water Reuse • Parcel/Site Scale • Rainwater/Graywater/AC Condensate/Blackwater • Private ownership/operation Decentralized Centralized Public Decentralized Reclaimed: Water Forward Task Force Nov Meeting Where does Decentralized Reclaimed Fit? Private Onsite Water Reuse • Parcel/Site Scale • Rainwater/Graywater/AC Condensate/Blackwater • Private ownership/operation Decentralized Centralized Centralized Reclaimed • City/Service Area Scale • Blackwater • COA ownership/operation Public Decentralized Reclaimed: Water Forward Task Force Nov Meeting Where does Decentralized Reclaimed Fit? Private Onsite Water Reuse • Parcel/Site Scale • Rainwater/Graywater/AC Condensate/Blackwater • Private ownership/operation Decentralized Decentralized Reclaimed • District/Neighborhood Scale • Blackwater/All of the Above • COA ownership/operation YOU ARE HERE Public Centralized Centralized Reclaimed • City/Service Area Scale • Blackwater • COA ownership/operation Decentralized Reclaimed: Water Forward Task Force Nov Meeting Where does Decentralized Reclaimed Fit? Private Onsite Water Reuse • Parcel/Site Scale …
Water Supply Update 12,10612,30610,0445,9506,7684,3997024,85222,5723,156025,00050,00075,000100,000125,000150,000175,000200,000225,000JanFebMarAprMayJunJulAugSepOctNovDecAcre-FeetHighland Lakes InflowsAverage 1942 - PresentAverage 2008 - 201520212022 (Jan.-Oct.) As of 11/7/2022 combined storage was at 1,051,422 acre-feet (52% full). 0200,000400,000600,000800,0001,000,0001,200,0001,400,0001,600,0001,800,0002,000,0002,200,000200520062007200820092010201120122013201420152016201720182019202020212022202320242025Storage, acre-feetCombined Storage of Lakes Buchanan and TravisJanuary 1, 2005 through November 1, 20220.6M ac-ft2.0M ac-ft Full StorageInterruptible stored water for non-Garwood agricultural operationswas not provided by LCRA in 2012 through 2015 and for second season in 2022. NOAA 3-Month Outlook LCRA Forecast Source Questions
Water Forward 2024: Scenario Planning Approach Drivers from Water Forward 18 Clearer approach to water needs identification More robust approach to addressing risk and uncertainty Development of a more comprehensive adaptive management plan Planning for plausibility vs. probability • Uncertain parameters cannot be predicted or well understood using standard statistical methods Predicting the most likely future or creating a plan that performs best on average vs. Finding robust strategies that perform well across a wide range of plausible futures, or scenarios Strategies perform well against “most likely” future conditions Strategies perform well across range of possible scenarios https://www.r-bloggers.com/2014/10/my-commonly-done-ggplot2-graphs/ Planning for Uncertainty in WF24 ▪ Develop a range of plausible future scenarios ▪ Find common near-term water management strategies (WMSs) that perform well over many scenarios ▪ For long-term (WMSs), develop an adaptive management plan with key decision points ▪ Continue to update the plan, re- evaluate, and adapt s o i r a n e c s g n i l e d o M Range of AW demands Possible climate futures Droughts worse than the drought of record Regional supply trends Water Forward 2024 Decision points including regular updates to the WF Plan Scenarios of plausible future water needs A C D B E 2120 Scenario planning examples Metropolitan Water District of Southern California Monterrey, Mexico https://www.rand.org/pubs/ tools/TL320/tool/case- studies/monterrey.html https://www.rand.org/pubs/tool s/TL320/tool/case- studies/southern-california.html WF24 scenario planning methodology overview Goal Define the needs Evaluate potential solutions Identify potential solutions Select the best solution & implementation strategy Ongoing community engagement and equity work Tasks Develop range of future scenarios WF18 implementation evaluation and update Preliminary needs assessment Identify, screen, and characterize additional WMS Use optimization model to identify top-performing WMSs over all scenarios Construct 50-yr portfolios for further evaluation 50-Year portfolio trade-off analysis Conduct vulnerability assessment to identify system stressors Preferred 50-yr portfolio & equity and affordability analysis Adaptive Management Plan (AMP) Outcome Updated WF18 strategies and range of baseline needs WMSs variables and rules for testing Evaluated 50-year portfolios and identified system stressors Water Forward 2024 Plan Timeline 2022 Fall 2024 Overview of planning scenarios Total water availability planning scenarios: 639 Range of future water availability sequences to test water management strategies (WMSs) 71 Hydrologic Scenarios 3 AW Demand Scenarios 1 Period of Record (POR) sequence 10 Droughts worse than the drought of record (DWDRs) stochastically sampled from POR hydrology 15 Global climate model (GCM) flow …
