Austin Integrated Water Resource Planning Community Task Force - July 12, 2022

Austin Integrated Water Resource Planning Community Task Force Regular Meeting of the Austin Integrated Water Resource Planning Community Task Force

Agenda original pdf

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AUSTIN INTEGRATED WATER RESOURCE PLANNING COMMUNITY TASK FORCE July 12, 2022 --12:00pm Hybrid Meeting Permitting and Development Center 6310 Wilhelmina Delco Drive Austin, Texas 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 Joshua Rolfe 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 Robert Levinski AGENDA CALL TO ORDER – PUBLIC COMMUNICATION: GENERAL APPROVAL OF MINUTES 1. Approval of the meeting minutes from the Regular Task Force meeting on May 3rd. DISCUSSION ITEMS 2. Update on current water supply conditions, presented by Austin Water staff 3. Presentation of Water Forward 2018 implementation quarterly progress report, presented 4. Overview of Austin Water’s onsite water reuse system and benchmarking programs, by Austin Water staff presented by Austin Water staff 5. Update on Water Forward 2024 project status, presented by Austin Water staff FUTURE AGENDA ITEMS 6. Discussion of 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 (48 hours) before the meeting date. Please call Austin Integrated Water Resource Planning Community Task Force …

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1 - May 3, 2022 Water Forward Task Force meeting minutes original pdf

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AUSTIN INTEGRATED WATER RESOURCE PLANNING COMMUNITY TASK FORCE REGULAR MEETING MINUTES TUESDAY, MAY 3, 2022 The Austin Integrated Water Resource Planning Community Task Force convened in a Regular Meeting on May 3, 2022, with Social Distancing Modifications. Chair WALKER called the meeting to order at 12:03 pm. Members in Attendance: Jennifer Walker, Chair Robert Mace, Vice Chair Ex-Officio Members in Attendance: Kevin Critendon Members in Attendance Remotely: Todd Bartee Sarah Faust Robert Levinski Hani Michel Bill Moriarty Ex-Officio Members in Attendance Remotely: Lucia Athens, Katie Coyne, Tony Davee, Kathleen Garrett PUBLIC COMMUNICATION: GENERAL Paul DiFiore on behalf of PODER - Mr. DiFiore shared comments on issues of water justice and access in Austin and Travis County. 1. APPROVAL OF MINUTES a. Approval of the meeting minutes from the March 21st Task Force meeting. The minutes from the meeting of 3/21/2022 were approved on Vice Chair MACE’S motion and Member MICHEL’S second on a 6-0 vote. Member BARTEE abstained and Member WILLIAMS was absent. 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 Marisa Flores Gonzalez at 512-972-0194, for additional information; TTY users route through Relay Texas at 711. Page 1 of 2 2. STAFF BRIEFINGS, PRESENTATIONS, AND/OR REPORTS a. Water supply update b. Rain to River Update The presentation was made by Sara Eatman, Engineer A, Austin Water. The presentation was made by Nick Kincaid, Planner Senior, Watershed Protection. c. Water Forward 2018 Implementation update i. Quarterly Report ii. iv. The presentation was made by Marisa Flores Gonzalez, Program Manager III, Austin Water. FY21 Annual Report The presentation was made by Marisa Flores Gonzalez, Program Manager III, Austin Water. iii. Centralized Reclaimed System overview The presentation was made by Dan Pedersen, Supervising Engineer, Austin Water. Implementation Subcommittee report Staff provided a written subcommittee report in the meeting backup materials. i. d. Water Forward 2024 update Project Status update The presentation was made by Marisa Flores Gonzalez, Program Manager III, Austin Water. ii. Water Forward 2024 Subcommittee report Staff provided a written subcommittee report in the meeting backup materials. Chair WALKER adjourned the meeting at …

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2 - Water Supply Update original pdf

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Water Supply Update 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 Highland Lakes Inflows Average 1942 - Present Average 2008 - 2015 2021 2022 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Combined Storage of Lakes Buchanan and Travis January 1, 2005 through July 1, 2022 2.0M ac-ft Full Storage Current Water Supplies As of 7/11/2022, combined storage was at 1,237,157 acre-feet (62% full). 0.6M ac-ft Interruptible stored water for non-Garwood divisions was not provided by LCRA in 2012 through 2015. 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 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 LCRA Lake Levels Forecast Source Questions

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4 - OWRS and Benchmarking Programs Overview original pdf

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Update on Benchmarking and OWRS Programs July 12, 2022 WATER FORWARD CONSERVATION & REUSE IN THE LDC • Austin Water received Council direction in May of 2019 to include Water Forward regulations into the LDC Revision • AW was specifically asked to address code changes for large commercial developments ≥250,000 SF • Multiple public stakeholder meetings were held on these code changes, but the LDC Revision did not move forward LDC Amendments in 2021 WATER BENCHMARKING RECLAIMED WATER ONSITE WATER REUSE Effective Dec. 1, 2021 Effective Dec. 1, 2023 WATER BENCHMARKING REQUIREMENTS  All commercial and multi-family site plan applicants complete an online survey to assess how water will be used within their development projects and identify water reuse/water conservation opportunities before construction begins.  Projects with 250,000 or more square feet of gross floor area are required to meet with Austin Water to discuss water reuse and conservation strategies and requirements. WATER BENCHMARKING APPLICATION Water Benchmarking Summary Q3 of FY2022  59 applications  14 > 250,000 SF • Very positive feedback to date on the process • Developers or owners have been coming to the required meeting and asking great questions • Lots of interest in Bucks for Business rebate • Multiple inquiries about making it easier to use rainwater harvesting for landscape irrigation Onsite Water Reuse System (OWRS) 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 Voluntary OWRS Program Summary All of FY2022  4 OWRS applications  1 cooling tower system approval  2 pilot incentive applications  2 incentive applications approved • New regulatory framework needs to be learned by local engineering community • Outreach on incentive program has been successful with projects already planned for • Confusion surrounding rainwater harvesting for stormwater treatment for discharge to environment vs. rainwater harvesting for landscape irrigation ACC Highland Campus …

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5 - WF24 Update original pdf

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Water Forward 2024 project status update Water Forward 2024 (WF24) Project Tasks 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 Task Progress to Date & Next Steps Task Name Progress to Date Next Steps 1 Project Management • Updated project schedule to reflect mid- 2024 anticipated project completion • Continue scope development for targeted consultant support services 2 Community Engagement • Held two virtual public workshops to • Complete draft Education and Engagement Plan (EEP) • Hold equity trainings/groundings gather input on guiding principles and community values • Launched SpeakUp Austin Page • Continued planning for AW staff equity training and WF Task Force and Community Advisory Group member equity grounding WF24 Task Progress to Date & Next Steps Task Name Progress to Date Next Steps 3 Planning Methodology • Substantial completion of mission statement, guiding principles, and objectives • Substantial completion of modeling scenarios (hydrology, demands, supply) • Began planning modeling processes • Refine performance metrics, modeling processes, and parameters 4 Demand Forecast • Continued development of 100-year • Continue disaggregation of 100-yr population projections population projections • Substantial completion of Disaggregated • Complete DDM structural update work 5 Climate and Hydrology Analysis Demand Model (DDM) structural improvements • Substantial completion of hydrologic • Developed preliminary high-level climate • Held Climate Technical Advisory Group models trends takeaways meeting 5/19 • Develop monthly streamflow timeseries for use in the Water Availability Model • Continued coordination with other City departments on climate takeaways and external messaging WF24 Schedule Adjustments Key Takeaway: About a four-month delay in final plan completion. Approx. Target Date External-facing deliverables to be presented to Task Force and key stakeholders Sep. 2022 Nov. 2022 Jan. 2023 Mar. 2023 May 2023 Preliminary Climate and Hydrology Analysis results Population and employment projections at small-polygon level Draft Equity and Affordability Roadmap and Tool Disaggregated demand projections and updated WF18 strategy yields Preliminary needs analysis results WF24 Schedule Adjustments Key Takeaway: About a four-month delay in final plan completion. Approx. Target Date External-facing deliverables to be presented to Task Force and key stakeholders Sep. 2023 Nov. 2023 Water management …

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May 19, 2022 CTAG meeting notes original pdf

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UT-COA Water Forward Climate and Hydrology Analysis Climate Technical Advisory Group May 19, 2022 Meeting Notes Teams Meeting, 4:00pm  Overview of multivariate model methodology, presented by Richard Hoffpauir, PhD, the consulting hydrologist for the City of Austin o The original purpose of the multivariate model was for extending naturalized flows, but the model set-up allows relatively easy adaptation to use with Global Climate Model (GCM) outputs. o Dr. Hoffpauir reviewed the process to develop the flow model. Input data to the model includes precipitation, evaporation, naturalized flow, weather data from Texas Water Development Board quadrangles, and 28 monthly weather feature categories developed from PRISM daily data (such as precip > 0.5”, greatest 7-day precip per month, number of days per month Tmax > 90 degF, etc.). o The model was built based on filtering weather variables and quadrangles to develop a relationship between input variables and flow at each control point. The top 10 features per control point are selected based on the filtering algorithm, which seeks to maximize relevance and minimize redundancy. Each control point has a unique combination of 10 weather features in its model. o The flow model uses the 10 weather features in a simple neural network-type model with a scaling factor to produce flow projections in acre-feet/month. The model was trained, validated, and tested on 100 different splits of the 1983-2016 period of record data. A validation score was used to stop the training iterations to avoid over- fitting of the model. o Model flows and error appears good overall, although models further upstream in the basin tend to have poorer R2 values than those lower in the basin. The model results for Pecan Bayou matched well with a paper CTAG member Julie Vano, PhD, had sent after the last CTAG meeting.  Discuss multivariate model preliminary results, presented by Richard Hoffpauir, PhD o Dr. Hoffpauir presented the preliminary results using the multivariate model and GCM precipitation and temperature outputs to project flows through the year 2100. Precipitation and temperature from the 5 GCMs and 3 scenarios was bias-corrected to the PRISM dataset for use in the multivariate model because the model was trained using the PRISM dataset as input to replicate historical naturalized flows. o Results from the multivariate model using PRISM data as inputs appear to match well with the WAM naturalized flows. Maximum flows using the GCM data as inputs are …

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Approved Minutes original pdf

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AUSTIN INTEGRATED WATER RESOURCE PLANNING COMMUNITY TASK FORCE REGULAR MEETING MINUTES TUESDAY, July 12, 2022 The Austin Integrated Water Resource Planning Community Task Force convened in a Regular Meeting on July 12, 2022, with Social Distancing Modifications. Chair WALKER called the meeting to order at 12:10 pm. Members in Attendance: Jennifer Walker, Chair Robert Mace, Vice Chair Joshua Rolfe Ex-Officio Members in Attendance: Kevin Critendon Members in Attendance Remotely: Sarah Faust Robert Levinski Vanessa Puig-Williams Hani Michel Bill Moriarty Ex-Officio Members in Attendance Remotely: Lucia Athens, Katie Coyne, Tony Davee, Kathleen Garrett PUBLIC COMMUNICATION: GENERAL None 1. APPROVAL OF MINUTES a. Approval of the meeting minutes from the July 12th Task Force meeting. The minutes from the meeting of 7/12/2022 were approved on Vice Chair MACE’S motion and Member Levinski’s second on a 6-0 vote. 2. STAFF BRIEFINGS, PRESENTATIONS, AND/OR REPORTS 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 Marisa Flores Gonzalez at 512-972-0194, for additional information; TTY users route through Relay Texas at 711. Page 1 of 2 a. Water supply update The presentation was made by Sara Eatman, Engineer A, Austin Water. b. Water Forward 2018 Implementation update i. Quarterly Report The presentation was made by Marisa Flores Gonzalez, Program Manager III, Austin Water. Implementation Subcommittee report Staff provided a written subcommittee report in the meeting backup materials. ii. c. Overview of Austin Water’s onsite water reuse system and benchmarking programs The presentation was made by Katherine Jashinski, Supervising Engineer, Austin Water i. d. Water Forward 2024 update Project Status update The presentation was made by Marisa Flores Gonzalez, Program Manager III, Austin Water. ii. Water Forward 2024 Subcommittee report Staff provided a written subcommittee report in the meeting backup materials. Chair WALKER adjourned the meeting at 2:09 pm. 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 …

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