February 4, 2020 2021 REGIONAL WATER PLAN SARA EATMAN
AGENDA 7.A Status Reports on TWDB Contract Activities 1. Schedule and Status Updates 2. Executive Summary 3. RWP Chapters: Chapter 5: Water Management Strategies Chapter 6: Impacts of Plan Chapter 8: Unique Sites and Policy Recommendations Chapter 9: Infrastructure Planning Chapter 10: Public Participation Chapter 11: Implementation and Comparison to Previous Plan 4. Discussion and ACTION to Adopt and Certify as Complete the Region M 2021 IPP 5. Discussion and ACTION to Authorize B&V to Make Non-substantive Revisions and Any Revisions Requested by the RGRWPG 6. Discussion and ACTION to Authorize Black & Veatch to Submit the IPP to the TWDB on Behalf of Region M 7. Discussion and ACTION to Schedule Public Hearing(s) for IPP 8. Discussion and ACTION to Authorize LRGVDC to Post IPP 2 Public Hearings Notice
7.A.1. SCHEDULE AND STATUS UPDATES 3
Black & Veatch 5 February 2020 SCHEDULE 8/19 9/19 Meeting 10/19 Chapter (posting date) Presented 11/19 1: Planning Area Description (8/1/19) 7/17/19 12/19 2: Demand Analysis(8/1/19) 1/20 3: Supply Analysis (9/7/19) 9/4/19 2/20 4: Needs Analysis (9/7/19) 3/20 IPP Due 3/3/20 7: Drought Response (1/27/19) 4/20 5: Water Management Strategies (Approach & Overview) 12/18/19 5/20 5: Water Management Strategies (2/1-2/4/20) 2/5/20 6/20 6: Impacts of Plan (2/3/20) 7/20 8: Policy Recommendations (1/31/20) 9: Infrastructure Planning (1/27/19) 8/20 10: Public Participation (1/27/19) 9/20 11: Implementation and Comparison to Prev. Plan (2/3/20) 10/20 RWP Due 10/14/20 IPP is a DRAFT; Revisions and corrections will be made between now and FINAL, due 10/14/2020 4
7.A.2. EXECUTIVE SUMMARY 5
Black & Veatch 10 February 2020 EXECUTIVE SUMMARY • ES.1 Water Planning in Texas • ES.2 The Rio Grande Regional Water Planning Area • ES.2.1 Population, Economy, and Natural Resources • ES.2.2 Surface Water Resources • ES.2.3 Groundwater Resources • ES.3 Current and Projected Water Use • ES.3.1 Wholesale Water Providers • ES.3.2 Municipal Demands • ES.3.3 Irrigation Demands • ES.3.4 Industrial Demands • ES.3.5 Source Balance • ES.4 Water Management Strategies • ES.4.1 Water Infrastructure and Distribution Systems, Assumptions and Methodology • ES.4.2 Wastewater Reuse • ES.4.3 Aquifer Storage and Recovery • ES.4.4 Desalination • ES.4.5 Fresh Groundwater • ES.4.6 Advanced Municipal Conservation • ES.4.7 On-Farm Conservation • ES.4.8 Implementation of Best Management Practices for Industrial Users • ES.4.9 Conversion/Purchase of Surface Water Rights • ES.5 Drought Planning & Threats to Resources • ES.5.1 Threats to Agricultural and Natural Resources 6
Black & Veatch 10 February 2020 EXECUTIVE SUMMARY: DESCRIPTION OF THE PLANNING AREA & WATER RESOURCES Summarizing Chapter 1 & Chapter 2 7
Black & Veatch 10 February 2020 EXECUTIVE SUMMARY: COMPARISON OF SUPPLIES AND DEMANDS Summary of Chapter 3 and Chapter 4 8
Black & Veatch 10 February 2020 EXECUTIVE SUMMARY: WATER MANAGEMENT STRATEGIES Generalized WMS: Specific/Submitted WMS: • Advanced Municipal • Municipal Water Infrastructure & Conservation Distribution Systems • Municipal Drought Management • Advanced Municipal Conservation (metering projects) • Irrigation District Improvements • Brackish Groundwater • Industrial Best Management Desalination (expanded and new) Practices • Fresh Groundwater Wells • Steam-Electric • Reuse (Potable & Non-Potable) • Manufacturing • Mining • Bio Control of Arundo Donax • Conversion of Water Rights via • ASR Urbanization • On-Farm Conservation Summary of Chapter 5 9
Black & Veatch 10 February 2020 DROUGHT PLANNING & THREATS TO RESOURCES • Recommendations for Drought Management Plans and Water Conservation Plans • Discussion of regional concerns • Urbanization • Deliveries from Mexico • Groundwater Pumping affecting springflows Summary of Chapter 7 & Chapter 8 10
7.A.3.a RWP CHAPTERS CHAPTER 5: WATER MANAGEMENT STRATEGIES CHAPTER 6: IMPACTS OF PLAN CHAPTER 8: UNIQUE SITES AND POLICY RECOMMENDATIONS CHAPTER 9: INFRASTRUCTURE PLANNING CHAPTER 10: PUBLIC PARTICIPATION CHAPTER 11: IMPLEMENTATION AND COMPARISON TO PREVIOUS PLAN 11
7.A.3.a RWP CHAPTERS CHAPTER 5: WATER MANAGEMENT STRATEGIES 12
Black & Veatch 5 February 2020 CHAPTER 5: WATER MANAGEMENT STRATEGIES 1. Water Infrastructure and Distribution 1. Irrigation District Improvements 2. Municipal Infrastructure Improvements 2. Wastewater Reuse 3. Desalination 1. Brackish Groundwater 2. Seawater Desalination 4. Fresh Groundwater 5. Advanced Municipal Conservation 6. Municipal Drought Management 7. Implementation of Best Management Practices 8. Conversion of Surface Water via Urbanization 9. On-Farm Irrigation Conservation 10. Brush Control 11. Aquifer Storage & Recovery 13 Grey WMS have been presented in previous meetings 13
Black & Veatch 5 February 2020 WATER INFRASTRUCTURE AND DISTRIBUTION: RECOMMENDED MUNICIPAL INFRASTRUCTURE IMPROVEMENTS East Rio Hondo WSC FM 2925 Transmission Line East Rio Hondo WSC Harlingen Waterworks Interconnect El Jardin WSC Upgrade Existing Distribution System McAllen Raw Water Line Project Rio Hondo Emergency Interconnect Union WSC Water Line Replacement and Meter Reading System Brownsville Public Utilities Board Banco Morales Reservoir Brownsville Public Utilities Board Resaca Restoration Hidalgo County Drainage District No. 1 Delta Watershed and Reclation project Donna New Raw Water Reservoir and Raw Water Pump Station East Rio Hondo WSC Municipal UV Disinfection for FM 510 WTP East Rio Hondo WSC Inter Basin Transfer of Surface Water and WTP North Alamo WSC Expansion of Delta WTP (4MGD) Roma Regional Water Treatment plant WTP No. 1 Upgrade and Expansion & Urbanized Water San Juan Rights 14
Black & Veatch 5 February 2020 WATER INFRASTRUCTURE AND DISTRIBUTION: ALTERNATIVE MUNICIPAL INFRASTRUCTURE IMPROVEMENTS Brownsville Public Utilities Board Brownsville Matamoros Weir and Reservoir East Rio Hondo WSC Bean Road Transmission Line East Rio Hondo WSC Inter Basin Transfer of Surface Water and WTP New Raw Water Reservoir and Raw Water Pump Donna Station Elsa WTP Expansion and Interconnect to Engleman ID Sharyland WSC Reservoir at WTP #1 for Additional Storage Capacit Emergency Transfers of Surface Water or Weslaco Interconnects Between systems San Juan Raw Water Reservoir Improvements Laredo Expansion of El Pico WTP North Alamo WSC 1 MG Water Tower, Edinburg/Pharr North Alamo WSC 1 MG Water Tower, Mid Valley North Alamo WSC Plant No. 5, 16 inch Waterline Expansion North Alamo WSC Expansion of Water Treatment Plant No. 5 15
Black & Veatch 10 February 2020 DESALINATION: BRACKISH GROUNDWATER North Cameron Regional WTP Wellfield Expansion Alternative East Rio Hondo WSC North Cameron Regional WTP Wellfield Expansion Alternative North Alamo WSC New Brackish Water Treatment Plant Agua SUD Alternative New Brackish Groundwater Desalintion Plant Alamo Recommended Lyford New Brackish Well and Water Treatment Plant Recommended McAllen New Brackish Water Treatment Plant Recommended Mission New Brackish Water Treatment Plant Recommended WTP No. 1 Upgrade and Expansion to include BGD San Juan Recommended Water Treatment Plant No. 2 Brackish Groundwater Desalination Sharyland WSC Recommended Water Treatment Plant No. 3 Brackish Groundwater Desalination Sharyland WSC Recommended 16
Black & Veatch 10 February 2020 DESALINATION: SEAWATER DESALINATION Seawater Desalination Demonstration - Alternative Brownsville Public Utilities Board Build-Out Seawater Desalination Implementation - Alternative Brownsville Public Utilities Board Pilot RGRWA Regional Facility Project - Seawater Desal Alternative Laguna Madre Water District Seawater Desalination Recommended 17
Black & Veatch 10 February 2020 FRESH GROUNDWATER County-Other, Starr Additional Groundwater Wells Recommended County-Other, Webb Additional Groundwater Wells Recommended New Groundwater Supply Edcouch Recommended Additional Groundwater Wells Irrigation Recommended Zapata County Waterworks New Groundwater Supply Recommended Groundwater Well Rio Hondo Alternative Fresh groundwater development recommended when requested, based on availability 18
Black & Veatch 10 February 2020 IMPLEMENTATION OF BEST MANAGEMENT PRACTICES ◼ Conservation Analysis and Planning ● Cost Effectiveness Analysis ● Industrial Site Specific Conservation ● Industrial Water Audit ◼ Educational Practices • 10% Reduction in ● Management and Employee Programs Demand Applied for all ◼ System Operations ● Boiler and Stream Systems Industrial WUGs: ● Industrial Alternative Sources and Reuse of Process Water • Mining ● Industrial Sub-metering ● Industrial Water Waste Reduction • Manufacturing ● Refrigeration ● Rinsing/Cleaning • Steam-Electric ● Water Treatment ◼ Cooling Systems Management ● Cooling Systems (Other than Cooling Towers) ● Cooling Towers ● Once-Through Cooling ◼ Landscaping ● Industrial Facility Landscaping 19
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