LAS VEGAS AQUIFER STORAGE AND RECOVERY PROGRAM Texas Innovative Water 2010 Seminar San Antonio Texas...
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Transcript of LAS VEGAS AQUIFER STORAGE AND RECOVERY PROGRAM Texas Innovative Water 2010 Seminar San Antonio Texas...
LAS VEGAS AQUIFER STORAGE AND RECOVERY PROGRAM
LAS VEGAS AQUIFER STORAGE AND RECOVERY PROGRAM
Texas Innovative Water 2010 Seminar
San AntonioTexas
Tom Morris
• HYDRO-GEO SETTING
– Geology Limits
– GW Water Quality
– Production Yield
• OTHER CONCERNS
– Water Level Declines
– Planned Growth
– Existing Dist System
• APPROACH
– Basins VS Wells
– Old VS New Wells
– Recovery Location
Feasibility EvaluationFeasibility Evaluation
• HYDRO-GEO SETTING
– Geology Limits
– GW Water Quality
– Production Yield
• OTHER CONCERNS
– Water Level Declines
– Planned Growth
– Existing Dist System
• APPROACH
– Basins VS Wells
– Old VS New Wells
– Recovery Location
Feasibility EvaluationFeasibility Evaluation
• HYDRO-GEO SETTING
– Geology Limits
– GW Water Quality
– Production Yield
• OTHER CONCERNS
– Water Level Declines
– Planned Growth
– Existing Dist System
• APPROACH
– Basins VS Wells
– Old VS New Wells
– Recovery Location
Feasibility EvaluationFeasibility Evaluation
• HYDRO-GEO SETTING
– Geology Limits
– GW Water Quality
– Production Yield
• OTHER CONCERNS
– Water Level Declines
– Planned Growth
– Existing Dist System
• APPROACH
– Basins VS Wells
– Old VS New Wells
– Recovery Location
Feasibility EvaluationFeasibility Evaluation
Demonstration OperationsDemonstration Operations
RECHARGE PREP• Flush Well• Drop Laterals• Flip Flow Meter• Prop Check Open
EXISTING WELL CONVERSION• Demo with 2 Wells• Convert 33 wells to ASR• Apparent Well Clogging
• WELL USE TYPE
– Unused Well Conversion
– New Dedicated Injection
– New ASR Wells
• ASR WELL DESIGN
– Various Drill Methods
– Engineered Fluid Control
– Injection Development
• WELLHEAD EQUIPPING
– Bi-Directional Flow Meter
– Check Valve By-Pass
– Automated On-Off Control
– Motor Ratchet
Demonstration OperationsDemonstration Operations
Expanded OperationsExpanded Operations
• WELL USE TYPE
– Unused Well Conversion
– New Dedicated Injection
– New ASR Wells
• ASR WELL DESIGN
– Various Drill Methods
– Engineered Fluid Control
– Injection Development
• WELLHEAD EQUIPPING
– Bi-Directional Flow Meter
– Check Valve By-Pass
– Automated On-Off Control
– Motor Ratchet
Expanded OperationsExpanded Operations
• WELL USE TYPE
– Unused Well Conversion
– New Dedicated Injection
– New ASR Wells
• ASR WELL DESIGN
– Various Drill Methods
– Engineered Fluid Control
– Injection Development
• WELLHEAD EQUIPPING
– Motor Ratchet
– Bi-Directional Flow Meter
– Check Valve By-Pass
– Automated On-Off Control
Expanded OperationsExpanded Operations
• WELL USE TYPE
– Unused Well Conversion
– New Dedicated Injection
– New ASR Wells
• ASR WELL DESIGN
– Various Drill Methods
– Engineered Fluid Control
– Injection Development
• WELLHEAD EQUIPPING
– Motor Ratchet
– Bi-Directional Flow Meter
– Check Valve By-Pass
– Automated On-Off Control
Pump Check
Valve
Recharge Start/Stop
Auto Valve
Isolation
Gate Valves
• HYDRO-GEO EFFICIENCY
– Geology Zones
– Water Level Impact
– Recharge Migration
• WELL OPTIMIZATION
– Maximize Recharge Rates
– Piping Efficiency
– Scheduled O & M
• SYSTEM RELIEF
– Peak Demand Supply
– Commercial P&T
Managed OperationsManaged Operations
• HYDRO-GEO EFFICIENCY
– Geology Zones
– Water Level Impact
– Recharge Migration
• WELL OPTIMIZATION
– Maximize Recharge Rates
– Piping Efficiency
– Scheduled O & M
• SYSTEM RELIEF
– Peak Demand Supply
– Commercial P&T
Managed OperationsManaged Operations
• HYDRO-GEO EFFICIENCY
– Geology Zones
– Water Level Impact
– Recharge Migration
• WELL OPTIMIZATION
– Maximize Recharge Rates
– Piping Efficiency
– Scheduled O & M
• SYSTEM RELIEF
– Peak Demand Supply
– Commercial P&T
Managed OperationsManaged Operations
Lessens LearnedLessens Learned
Alluvial
Course Gravels
Pediment
Sands and Gravels Playa Lake Bed
Sands and Silts
PRE-DEVELOPMENT CONDITIONS
80 Years of Basin Overdraft
Lowered Water Table 100 to 300 Feet
Lessens LearnedLessens Learned
Perched Water System Development
Surface to 35-Feet
HYDRO-SYSTEM CHANGES
Development and Irrigation
Created Un-Natural Shallow Aquifer
Lessens LearnedLessens Learned
RECHARGE AQUIFER RECOVERY
16 Years of Recharge
320,000 AF Banked
Perched Water System Development
Surface to 35-Feet
Lessens LearnedLessens Learned
OTHER RECHARGE PROGRAM RELATED ISSUES
• Disinfection By-Products
• Water Quality Plume
• Pump Wear and Sanding
• Dissolved Air