LAS VEGAS AQUIFER STORAGE AND RECOVERY PROGRAM
LAS VEGAS AQUIFER STORAGE AND RECOVERY PROGRAM
Texas Innovative Water 2010 Seminar
San AntonioTexas
Tom Morris
Las Vegas
Nevada
Physiographic SettingPhysiographic Setting
• 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
Questions?Questions?
Visions of HopeVisions of Hope
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