“BROKEN” WATER CYCLE! A FRESH WATER SHORTAGE CRISIS! 6 th Grade.
Development and Implementation of Texas’ Water Shortage ... · Development and Implementation of...
Transcript of Development and Implementation of Texas’ Water Shortage ... · Development and Implementation of...
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Presented to:Indiana Water Shortage Task Force
May 18, 2007Indianapolis, Indiana
Development and Implementation Development and Implementation of Texasof Texas’’ Water Shortage and Water Shortage and
Drought Planning EffortDrought Planning Effort
Bill MullicanTexas Water Development Board
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Why Plan?Why Plan?
Lake LavonLake Lavon
--20062006
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Public Water Supply SystemsPublic Water Supply SystemsAffected by DroughtAffected by Drought
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Legislative Response to DroughtLegislative Response to Drought• Late 1950’s Drought of Record
– 1957: Creation of TWDB– $200 million Development Fund– 8 State Water Plans
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Legislative Response to DroughtLegislative Response to Drought• Late 1990’s: Potential New Drought of
Record– $6 billion estimated economic losses in
1996 - most in agriculture– Approximately 300 entities with threat to
water supplies– 1997: Implementation of Senate Bill 1
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What We Would Do DifferentWhat We Would Do Different• First round of regional planning would focus
on data– Demands– Supplies
• Surface Water Availability Models• Groundwater Availability Models
• Expedited amendment process
• Develop mechanism to better involve small communities
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Water Planning Prior to SB 1Water Planning Prior to SB 1
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Water Planning Post SB 1Water Planning Post SB 1
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Regional and State Water Planning Regional and State Water Planning Under SB 1Under SB 1
• Development, management, and conservation of water resources
• Drought preparation and response
• Regional Water Plans foundation for State Water Plan
• Ensure sufficient water supplies to meet needs of ALL users
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• Surface water permits for municipalities only in areas with approved regional water plans.
• TWDB loans only in areas with approved regional water plans.
• Projects must be consistent with regional and state water plans to obtain surface water permits or TWDB financial assistance.
• May waive these requirements.
Incentives to ParticipateIncentives to Participate
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DiverseDiverseInterest GroupsInterest Groups
RepresentedRepresented
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• Public• Agricultural Interests• County• Small Business• Water Utilities• Electric Generating
Utilities
• Municipal• Industries• Environmental
Interests• River Authorities• Water Districts
Memberships RequiredMemberships Requiredby Statuteby Statute
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Basic Steps inBasic Steps inTexas Water PlanningTexas Water Planning
• 50 year planning period
• Projection of population
• Projection of water demands
• Determine existing supplies
• Determine future surplus or needs• Evaluate and select water management
strategies
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Basic Steps inBasic Steps inTexas Water PlanningTexas Water Planning
• TWDB resolution of interregional conflicts
• TWDB approval of regional water plans
• TWDB develops and adopts State Water Plan
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2007 Texas State Water Plan2007 Texas State Water Plan
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Water User GroupsWater User Groups
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CitiesCities
- Cities: 956
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Utilities
- Cities: 956- Utilities: 378
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CountyCounty--OthersOthers
- Cities: 956- Utilities: 377- County-Others: 254
- Cities: 956- Utilities: 378- County-Others: 254
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Manufacturing
- Cities: 956- Utilities: 378- County-Others: 254- Manufacturing: 174
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Steam Electric
- Cities: 956- Utilities: 378- County-Others: 254- Manufacturing: 174- Steam Electric: 83
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Livestock
- Cities: 956- Utilities: 378- County-Others: 254- Manufacturing: 174- Steam Electric: 83
- Livestock: 254
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Mining
- Cities: 956- Utilities: 378- County-Others: 254- Manufacturing: 174- Steam Electric: 83
- Livestock: 254- Mining: 226
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Irrigation
- Cities: 956- Utilities: 378- County-Others: 254- Manufacturing: 174- Steam Electric: 83
- Livestock: 254- Mining: 226- Irrigation: 239
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Total = 2,564
- Cities: 956- Utilities: 378- County-Others: 254- Manufacturing: 174- Steam Electric: 83
- Livestock: 254- Mining: 226- Irrigation: 239
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Projected Water Demand & SupplyProjected Water Demand & Supply
18.3 19.0 19.6 20.1 20.8 21.6
17.916.9 16.1 15.4 15.0 14.6
0
4
8
12
16
20
24
2010 2020 2030 2040 2050 2060
mill
ions
of a
cre-
feet
Water Demand Water Supply
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Projected Water Supply NeedsProjected Water Supply Needs
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Water Volume from RecommendedWater Volume from RecommendedWater Management StrategiesWater Management Strategies
4,500 Water Management Strategies
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Water Needs Not Met by the Recommended Water Needs Not Met by the Recommended Water Management StrategiesWater Management Strategies
1.8
2.1
2.52.7 2.8 2.7
-
1
2
3
2010 2020 2030 2040 2050 2060
Unm
et n
eeds
(m
illio
ns o
f acr
e-fe
et)
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Total capital costs: $30.7 billion
Costs of Recommended Water Costs of Recommended Water Management StrategiesManagement Strategies
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Water Management StrategiesWater Management Strategies
• Projected needs met with a wide variety of water management strategies including:– More efficient use of existing supplies,– New surface reservoirs,– New or expanded well fields,– Other strategies including,
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Water ConservationWater Conservation
State Wide Totals
2002 Plan 2007 Plan990,000 af/y 2 million af/y14% of total WMS 23% of total WMS
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Water ConservationWater Conservation
Municipal2002 Plan 2007 Plan
68,000 AFY 612,000 AFY<1% of total WMS 7% of total WMS
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Water ConservationWater ConservationIrrigationIrrigation
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Rain Water HarvestingRain Water Harvesting
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DesalinationDesalination• Recommended Water
Management Strategies projected to add about 320,000AFY by 2060
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ReuseReuse
2002 Plan 2007 Plan0.4 Million AFY 1.3 Million AFY
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Land StewardshipLand StewardshipA component of land stewardship that has garnered much attention is brush control
Reduce vegetation that consumes large volumes of water and replace with native plants and maintain open space
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Successes, Challenges, and Successes, Challenges, and Lessons LearnedLessons Learned
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Positive Outcomes of the Positive Outcomes of the Regional Planning ProcessRegional Planning Process
• Broad-based expansion of public knowledge and understanding of water resources issues
• Fosters direct link between water planning and implementation
• Enhanced cooperation and coordination between different interest groups and regions
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Positive Outcomes of the Positive Outcomes of the Regional Planning ProcessRegional Planning Process
• Improved relationships between environmental and development interests that have not had a history of working together
• Development and implementation ofWater Management Strategies
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ChallengesChallenges
• Conflict between two or more regions– Conflict occurs if more than one region plans on using
the same water—overallocation
– TWDB mediates disputes
• Funding the water management strategies
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What We Would Do DifferentWhat We Would Do Different• First round of regional plan would focus on
data– Demands– Supplies
• Surface Water Availability Models• Groundwater Availability Models
• Expedited amendment process
• Develop mechanism to better involve small communities
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Major River and Coastal Basins Major River and Coastal Basins of Texasof Texas
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The Major Aquifers of TexasThe Major Aquifers of Texas
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The Minor Aquifers of TexasThe Minor Aquifers of Texas