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SARA EATMAN
2021 REGIONAL WATER PLAN
AGENDA7.A Status Reports on TWDB Contract Activities1. 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 Notice2
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7.A.1.SCHEDULE AND STATUS UPDATES
IPP is a DRAFT; Revisions and corrections will be made between now and FINAL, due 10/14/2020
SCHEDULE
5 February 2020Black & 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
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
10 February 2020
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EXECUTIVE SUMMARY: DESCRIPTION OF THE PLANNING AREA & WATER RESOURCES
10 February 2020
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Summarizing Chapter 1 & Chapter 2
EXECUTIVE SUMMARY:COMPARISON OF SUPPLIES AND DEMANDS
10 February 2020
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Summary of Chapter 3 and Chapter 4
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
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10 February 2020
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 2020Black & Veatch
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7.A.3.aRWP CHAPTERSCHAPTER 5: WATER MANAGEMENT STRATEGIES
CHAPTER 6: IMPACTS OF PLAN
CHAPTER 8: UNIQUE SITES AND POLICY RECOMMENDATIONSCHAPTER 9: INFRASTRUCTURE PLANNINGCHAPTER 10: PUBLIC PARTICIPATIONCHAPTER 11: IMPLEMENTATION AND COMPARISON TO PREVIOUS PLAN
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7.A.3.aRWP CHAPTERS
CHAPTER 5: WATER MANAGEMENT STRATEGIES
Black & Veatch
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5 February 2020
CHAPTER 5: WATER MANAGEMENT STRATEGIES
1. Water Infrastructure and Distribution1. Irrigation District Improvements
2. Municipal Infrastructure Improvements2. Wastewater Reuse
3. Desalination1. Brackish Groundwater2. Seawater Desalination
4. Fresh Groundwater5. Advanced Municipal Conservation6. Municipal Drought Management
7. Implementation of Best Management Practices8. Conversion of Surface Water via Urbanization9. On-Farm Irrigation Conservation10. Brush Control11. Aquifer Storage & Recovery
13Grey WMS have been presented in previous meetings
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
WATER INFRASTRUCTURE AND DISTRIBUTION: ALTERNATIVE MUNICIPAL INFRASTRUCTURE IMPROVEMENTS
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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
DESALINATION: BRACKISH GROUNDWATER
10 February 2020
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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
DESALINATION:SEAWATER DESALINATION
10 February 2020
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Brownsville Public Utilities BoardSeawater Desalination Demonstration -Build-Out
Alternative
Brownsville Public Utilities BoardSeawater Desalination Implementation -Pilot
Alternative
RGRWA Regional Facility Project - Seawater Desal Alternative
Laguna Madre Water District Seawater Desalination Recommended
FRESH GROUNDWATER
10 February 2020
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Fresh groundwater development recommended when requested, based on availability
County-Other, Starr Additional Groundwater Wells Recommended
County-Other, Webb Additional Groundwater Wells Recommended
EdcouchNew Groundwater Supply
Recommended
IrrigationAdditional Groundwater Wells
Recommended
Zapata County Waterworks New Groundwater Supply Recommended
Rio HondoGroundwater Well
Alternative
• 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
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10 February 2020
Historical Urbanization Rate used to estimate reduced supplies to Ag & conversion to Municipal
CONVERSION OF SURFACE WATER VIA URBANIZATION
10 February 2020Black & Veatch
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Agua SUDAlamoCounty-Other, CameronCounty-Other, HidalgoCounty-Other, MaverickCounty-Other, StarrCounty-Other, WebbCounty-Other, ZapataDonnaEagle PassEast Rio Hondo WSC
EdinburgEl Jardin WSCEl Sauz WSCEl Tanque WSCElsaHarlingen WaterworksHidalgoHidalgo County MUD 1La GrullaLa JoyaLa VillaLaguna Madre Water District
LaredoMcAllenMercedesMilitary Highway WSCMirando City WSCMissionNorth Alamo WSCOlmito WSCPharrPort Mansfield PUDPrimeraRio Grande CityRio WSCSan Benito
San JuanSebastian MUDSharyland WSCSiesta Shores WCIDUnion WSCWebb CountyWeslaco
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
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
UNMET NEEDS
10 February 2020
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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
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
• 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
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CHAPTER 9: INFRASTRUCTURE PLANNING
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Placeholder for Infrastructure Financing Report
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
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
MAG COMPARISON: AVAILABILITY FROM 2011, 2016, AND 2021 PLANS
10 February 2020
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Limited groundwater availability; working with GMA 16 & GMA 13 to make data available
COMPARISON OF POPULATION AND MUNICIPAL DEMAND ESTIMATES
10 February 2020
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No change in population projections from 2016, based on 2010 Census; Small change in demand
COMPARISON OF IRRIGATION, STEAM-ELECTRIC, MINING, AND MANUFACTURING DEMAND
10 February 2020
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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
10 February 2020
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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 0
Storage 3 4
Supply from Other Entity WMS
0 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.
10 February 2020
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Black & Veatch
EARLIEST: 3/7/20
Complete7/1/20
EARLIEST: 5/6/20
EARLIEST: 6/5/20
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