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Eastern San Joaquin Groundwater Basin Groundwater Management Plan Table ES-6 Groundwater Option Comparisons Option Recharge Improvement Infrastructure Land Operation/ Type Method Costs($/af) Requirements Requirements Effectiveness Maintenance On or off-stream Extreme for new Very effective based Wet Year Flows -$500 regulating reservoir on reservoir size and Very high requirements reservoir frequency Effective based on Varies with N Water Transfers Conveyance and Potentially land infrastructure $200400 quantity of water and -c -Out of Basin storage intensive requirements and year 0 agreement duration to year availability �' Varies with a Area of Origin Use of existing or Potentially land C Priority $0-$350 new infrastructure intensive Very effective infrastructure v� requirements m m Use of existing Reservoir Re- Minimal based on operation "$100 infrastructure and Minimal Less effective existing facilities storage Varies with Water Transfers infrastructure -In Basin -$100$200 Minor conveyance Minimal Less effective requirements and year to year availability Uses Existing Uses seasonally Somewhat effective Field Flooding $50-$100 Infrastructure fallow areas only available Significant effort seasonally Spreading Requires relatively Potentially effective, Basin/Recharge $100-$150 New Infrastructure large dedicated requires detailed field Significant effort Pond areas testing w Potentially effective, c Requires dedicated o Recharge Pit $400-$450 New Infrastructure areas requires detailed field Significant effort S testing O Leaky Canal Varies New Infrastructure Land intensive Potentially effective, Significant effort s conveyance benefits U N Potentially effective, `m Injection Wells $150-$200 New Infrastructure Requires dedicated requires extensive well Significant effort @ areas field 3 Additional effort c Agricultural In- $200-$250 New/Or Existing Existing Land Use Very effective based required by owner and O lieu Infrastructure on quantity of water district Urban In-lieu -$250-$400 New/Or Existing Existing Land Use Very effective based Requires treatment Infrastructure on quantity of water plant O&M costs Regional New/Or Existing Potentially land Very effective,financial Groundwater $200-$300 Infrastructure intensive assistance through Significant effort Banking third party Water $300-$500 Retrofit existing Minimal treatment costs and Requires treatment Reclamation facilities Less effective due to ties plant O&M costs public perception N c Agricultural 'Q Water $200-$250 New Infrastructure Minimal Potentially effective Significant effort O Conservation r Urban Water O Conservation $200-$250 New Infrastructure Minimal Potentially effective Minimal Crop Potentially land Potentially effective if Rotation/Land -$50 None intensive mitigated Minimal Fallowing Source: San Joaquin County Water Management Plan Volume I Farmington Groundwater Recharge and Seasonal Habitat Study Northeastern San Joaquin County Executive Summary Groundwater Banking Authority 13