2021 REGIONAL WATER PLAN SARA EATMAN AGENDA 7.A Status Reports on - - PowerPoint PPT Presentation

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2021 REGIONAL WATER PLAN SARA EATMAN AGENDA 7.A Status Reports on - - PowerPoint PPT Presentation

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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

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February 4, 2020

SARA EATMAN

2021 REGIONAL WATER PLAN

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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 Public Hearings Notice

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7.A.1. SCHEDULE AND STATUS UPDATES

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IPP is a DRAFT; Revisions and corrections will be made between now and FINAL, due 10/14/2020

SCHEDULE

5 February 2020 Black & Veatch

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Chapter (posting date) Meeting Presented

1: Planning Area Description (8/1/19) 2: Demand Analysis(8/1/19) 7/17/19 3: Supply Analysis (9/7/19) 4: Needs Analysis (9/7/19) 7: Drought Response (1/27/19) 9/4/19 5: Water Management Strategies (Approach & Overview) 12/18/19 5: Water Management Strategies (2/1-2/4/20) 6: Impacts of Plan (2/3/20) 8: Policy Recommendations (1/31/20) 9: Infrastructure Planning (1/27/19) 10: Public Participation (1/27/19) 11: Implementation and Comparison to Prev. Plan (2/3/20) 2/5/20 8/19 9/19 10/19 11/19 12/19 1/20 2/20 3/20 4/20 5/20 6/20 7/20 8/20 9/20 10/20

IPP Due 3/3/20 RWP Due 10/14/20

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7.A.2. EXECUTIVE SUMMARY

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  • 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

EXECUTIVE SUMMARY

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Black & Veatch

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EXECUTIVE SUMMARY: DESCRIPTION OF THE PLANNING AREA & WATER RESOURCES

10 February 2020

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Black & Veatch

Summarizing Chapter 1 & Chapter 2

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EXECUTIVE SUMMARY: COMPARISON OF SUPPLIES AND DEMANDS

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Summary of Chapter 3 and Chapter 4

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Summary of Chapter 5

Specific/Submitted WMS:

  • Municipal Water Infrastructure &

Distribution Systems

  • Advanced Municipal

Conservation (metering projects)

  • Brackish Groundwater

Desalination (expanded and new)

  • Fresh Groundwater Wells
  • Reuse (Potable & Non-Potable)
  • Bio Control of Arundo Donax
  • ASR

Generalized WMS:

  • Advanced Municipal

Conservation

  • Municipal Drought Management
  • Irrigation District Improvements
  • Industrial Best Management

Practices

  • Steam-Electric
  • Manufacturing
  • Mining
  • Conversion of Water Rights via

Urbanization

  • On-Farm Conservation

EXECUTIVE SUMMARY: WATER MANAGEMENT STRATEGIES

Black & Veatch

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10 February 2020

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Summary of Chapter 7 & Chapter 8

  • Recommendations for Drought

Management Plans and Water Conservation Plans

  • Discussion of regional concerns
  • Urbanization
  • Deliveries from Mexico
  • Groundwater Pumping affecting

springflows

DROUGHT PLANNING & THREATS TO RESOURCES

10 February 2020 Black & Veatch

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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

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7.A.3.a RWP CHAPTERS CHAPTER 5: WATER MANAGEMENT STRATEGIES

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Black & Veatch

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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

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Grey WMS have been presented in previous meetings

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WATER INFRASTRUCTURE AND DISTRIBUTION: RECOMMENDED MUNICIPAL INFRASTRUCTURE IMPROVEMENTS

Black & Veatch

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5 February 2020

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 San Juan WTP No. 1 Upgrade and Expansion & Urbanized Water Rights

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WATER INFRASTRUCTURE AND DISTRIBUTION: ALTERNATIVE MUNICIPAL INFRASTRUCTURE IMPROVEMENTS

Black & Veatch

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5 February 2020

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 Donna New Raw Water Reservoir and Raw Water Pump Station Elsa WTP Expansion and Interconnect to Engleman ID Sharyland WSC Reservoir at WTP #1 for Additional Storage Capacit Weslaco Emergency Transfers of Surface Water or 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

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DESALINATION: BRACKISH GROUNDWATER

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Black & Veatch

East Rio Hondo WSC North Cameron Regional WTP Wellfield Expansion Alternative North Alamo WSC North Cameron Regional WTP Wellfield Expansion Alternative Agua SUD New Brackish Water Treatment Plant Alternative Alamo New Brackish Groundwater Desalintion Plant Recommended Lyford New Brackish Well and Water Treatment Plant Recommended McAllen New Brackish Water Treatment Plant Recommended Mission New Brackish Water Treatment Plant Recommended San Juan WTP No. 1 Upgrade and Expansion to include BGD Recommended Sharyland WSC Water Treatment Plant No. 2 Brackish Groundwater Desalination Recommended Sharyland WSC Water Treatment Plant No. 3 Brackish Groundwater Desalination Recommended

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DESALINATION: SEAWATER DESALINATION

10 February 2020

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Black & Veatch

Brownsville Public Utilities Board Seawater Desalination Demonstration - Build-Out Alternative Brownsville Public Utilities Board Seawater Desalination Implementation - Pilot Alternative RGRWA Regional Facility Project - Seawater Desal Alternative Laguna Madre Water District Seawater Desalination Recommended

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FRESH GROUNDWATER

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Black & Veatch

Fresh groundwater development recommended when requested, based on availability

County-Other, Starr Additional Groundwater Wells Recommended County-Other, Webb Additional Groundwater Wells Recommended Edcouch New Groundwater Supply Recommended Irrigation Additional Groundwater Wells Recommended Zapata County Waterworks New Groundwater Supply Recommended Rio Hondo Groundwater Well Alternative

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  • 10% Reduction in

Demand Applied for all Industrial WUGs:

  • Mining
  • Manufacturing
  • Steam-Electric

◼ Conservation Analysis and Planning

  • Cost Effectiveness Analysis
  • Industrial Site Specific Conservation
  • Industrial Water Audit

◼ Educational Practices

  • Management and Employee Programs

◼ System Operations

  • Boiler and Stream Systems
  • Industrial Alternative Sources and Reuse of Process

Water

  • Industrial Sub-metering
  • Industrial Water Waste Reduction
  • Refrigeration
  • Rinsing/Cleaning
  • Water Treatment

◼ Cooling Systems Management

  • Cooling Systems (Other than Cooling Towers)
  • Cooling Towers
  • Once-Through Cooling

◼ Landscaping

  • Industrial Facility Landscaping

IMPLEMENTATION OF BEST MANAGEMENT PRACTICES

Black & Veatch

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10 February 2020

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Historical Urbanization Rate used to estimate reduced supplies to Ag & conversion to Municipal

CONVERSION OF SURFACE WATER VIA URBANIZATION

10 February 2020 Black & Veatch

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Agua SUD Alamo County-Other, Cameron County-Other, Hidalgo County-Other, Maverick County-Other, Starr County-Other, Webb County-Other, Zapata Donna Eagle Pass East Rio Hondo WSC Edinburg El Jardin WSC El Sauz WSC El Tanque WSC Elsa Harlingen Waterworks Hidalgo Hidalgo County MUD 1 La Grulla La Joya La Villa Laguna Madre Water District Laredo McAllen Mercedes Military Highway WSC Mirando City WSC Mission North Alamo WSC Olmito WSC Pharr Port Mansfield PUD Primera Rio Grande City Rio WSC San Benito San Juan Sebastian MUD Sharyland WSC Siesta Shores WCID Union WSC Webb County Weslaco

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CHAPTER 6: IMPACTS OF PLAN

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6.1 Impacts of Water Management Strategies 6.2 Protection of Resources 6.3 Unmet Needs 6.4 Socioeconomic Impacts of Shortages

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IMPACTS ON IRRIGATED ACREAGE

10 February 2020

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Black & Veatch

Reduction in irrigation is projected to result in increased municipal water

CUMULATIVE TOTAL REDUCTION IN IRRIGATED ACREAGE 2020 2030 2040 2050 2060 2070

Cameron 6,916 13,833 20,750 27,666 34,583 41,235 Hidalgo 10,250 20,500 30,750 40,999 51,250 61,108 Maverick 1,961 3,922 5,882 7,843 9,804 11,690 Starr 153 305 458 610 763 909 Webb 307 614 921 1,227 1,534 1,829 Willacy 2,350 4,699 7,049 9,399 11,748 14,008 Zapata 79 159 238 318 397 474

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UNMET NEEDS

10 February 2020

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Black & Veatch

Based on high demands and most severe historical drought; not a typical year

IRRIGATION 2020 2030 2040 2050 2060 2070

Cameron County

  • 342,178
  • 323,017
  • 303,853
  • 284,693
  • 265,532
  • 246,373

Hidalgo County

  • 377,529
  • 349,151
  • 320,794
  • 292,786
  • 264,093
  • 235,747

Maverick County

  • 10,649
  • 7,976
  • 5,303
  • 2,631

40 2,711 Starr County

  • 19,075
  • 18,310
  • 17,544
  • 16,779
  • 16,013
  • 15,248

Willacy County

  • 77,154
  • 78,984
  • 78,984
  • 78,984
  • 78,984
  • 78,984

Zapata County

  • 2,923
  • 2,759
  • 2,691
  • 2,433
  • 2,270
  • 2,106

Total Unmet Need

  • 829,508
  • 780,197
  • 729,169
  • 678,306
  • 626,892
  • 578,458

OTHER NON-MUNICIPAL WUGS 2020 2030 2040 2050 2060 2070

Manufacturing, Cameron County

  • 832
  • 1,011
  • 1,010
  • 1,010
  • 1,010
  • 1,009

Mining, Hidalgo County

  • 627
  • 1,325
  • 1,846
  • 2,405
  • 3,047
  • 3,860

Mining, Maverick County

  • 395
  • 1,069
  • 1,247
  • 679
  • 114

297 Mining, Starr County

  • 238
  • 351
  • 422
  • 496
  • 589
  • 706

Mining, Webb County

  • 3,780
  • 1,700

131 1,882 3,948 4,399 Mining, Willacy County

  • 44
  • 46
  • 14
  • 5

4 9 Steam-Electric, Cameron County

  • 3,054
  • 3,054
  • 3,054
  • 3,054
  • 3,054
  • 3,055

Steam-Electric, Hidalgo County

  • 638
  • 449
  • 349
  • 349
  • 349
  • 349
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CHAPTER 8: UNIQUE SITES AND POLICY RECOMMENDATIONS

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8.1 Designation of Ecologically Unique Stream Segments 6.2 Reservoir Sites 6.3 Legislative Recommendations

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  • Committee met 1/31/2020
  • No designation of Unique Stream Segments and

Unique Reservoir Sites (no change)

  • Revision of some policy recommendations,

highlights:

  • Appropriate delivery credit for Mexico
  • Definition of “extreme drought” in 1944 Treaty
  • Pecos & Devils Watershed Pumping
  • Watermaster program fee assessment and budgeting

rules

  • Support funding for ongoing water availability/quality

studies

CHAPTER 8: UNIQUE SITES AND POLICY RECOMMENDATIONS

10 February 2020

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Black & Veatch

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CHAPTER 9: INFRASTRUCTURE PLANNING

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Placeholder for Infrastructure Financing Report

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CHAPTER 10: PUBLIC PARTICIPATION

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10.1 Public Participation 10.2 Facilitation of the Regional Water Planning Process 10.3 Plan Implementation Issues

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CHAPTER 11: IMPLEMENTATION AND COMPARISON TO PREVIOUS PLAN

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11.1 Introduction 11.2 Demands 11.3 Availability and Supplies 11.4 Water Management Strategies 11.5 Drought Response

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MAG COMPARISON: AVAILABILITY FROM 2011, 2016, AND 2021 PLANS

10 February 2020

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Black & Veatch

Limited groundwater availability; working with GMA 16 & GMA 13 to make data available

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COMPARISON OF POPULATION AND MUNICIPAL DEMAND ESTIMATES

10 February 2020

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Black & Veatch

No change in population projections from 2016, based on 2010 Census; Small change in demand

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COMPARISON OF IRRIGATION, STEAM- ELECTRIC, MINING, AND MANUFACTURING DEMAND

10 February 2020

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Black & Veatch

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  • Extensive effort to gather

WMS information and updates from WUGs

  • Implementation survey

will continue to be updated between now & final Plan (per TWDB guidance)

WMS: IMPLEMENTATION SURVEY

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Black & Veatch

CATEGORY NUMBER OF RECOMMENDED WMS 2021 RWP 2016 RWP Acquisition of Water Rights 44 29 Brackish Groundwater 6 18 Brush Control 10 10 Municipal Distribution & Transmission 6 7 Fresh Groundwater 5 6 Industrial Conservation 24 24 Irrigation District Improvements 54 27 Municipal Conservation 63 72 Reuse 14 14 Seawater Desalination 2 Storage 3 4 Supply from Other Entity WMS 19 Surface Water Treatment 6 7

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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 Public Hearings Notice

6.A.

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10 February 2020

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Black & Veatch

EARLIEST: 3/7/20 Complete 7/1/20

EARLIEST: 5/6/20 EARLIEST: 6/5/20

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