environmental compliance for san antonio water system twin ... · resources portfolio to meet the...
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![Page 1: Environmental Compliance for San Antonio Water System Twin ... · resources portfolio to meet the City of San Antonio’s water needs over the next 50 years, while reducing dependence](https://reader036.vdocuments.us/reader036/viewer/2022071022/5fd64a349965bb21ce5fb441/html5/thumbnails/1.jpg)
Environmental Compliance for SanAntonio Water System Twin Oaks
Brackish GroundwaterDesalination Plant
Environmental Compliance for SanAntonio Water System Twin Oaks
Brackish GroundwaterDesalination Plant
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Twin Oaks BrackishGroundwater DesalinationTwin Oaks BrackishGroundwater Desalination
Purpose is to supplement and diversify SAWS’ waterresources portfolio to meet the City of San Antonio’s waterneeds over the next 50 years, while reducing dependenceon the Edwards Aquifer.
Phase I of the Twin OaksBGD plant will generateabout 12 million gallons ofwater per day (mgd) or13,440 acre-feet per yearfrom the Wilcox Aquifer.
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Environmental ComplianceGoalsEnvironmental ComplianceGoals
Address multiple layers of natural and cultural resourcesregulations as efficiently as possible
Proactively identify environmental/permitting issues thatcould affect project schedule (environmental constraints)
Avoid/minimize environmental impacts (alternatives)
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Environmental ComplianceGoalsEnvironmental ComplianceGoals
Address multiple layers of natural and cultural resourcesregulations as efficiently as possible
Proactively identify environmental/permitting issues thatcould affect project schedule (environmental constraints)
Avoid/minimize environmental impacts (alternatives)
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Regulatory Layers - ApplicablePermits and Agency CoordinationRegulatory Layers - ApplicablePermits and Agency Coordination
Regulatory Framework Agency Permit/Review
Federal Clean Water ActEndangered Species Act (ESA)Migratory Bird Treaty Act (MBTA)National Historic Preservation Act(NHPA)
US Army Corps of EngineersUS Fish and Wildlife Service
Texas HistoricalCommission
Section 404 PermitESA/MBTA Review
NHPA Review
State Texas Antiquities Code
Texas Water Development BoardEnvironmental DeterminationTexas Parks and Wildlife Code
Texas HistoricalCommissionTexas Water DevelopmentBoard (TWDB)Texas Parks and WildlifeDepartment (TPWD)
Antiquities Permit
TWDB EnvironmentalAssessmentTPWD Review/Recommendations
Local City of San Antonio UnifiedDevelopment Code (applies toextra-territorial jurisdiction)
City of San AntonioDevelopment Services
City of San Antonio HistoricPreservation Office ReviewCity of San Antonio TreePermitCity of San Antonio HabitatCompliance Process
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Environmental ConstraintsAnalysisEnvironmental ConstraintsAnalysis
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AlternativesAlternatives
Overlay environmental constraints and potential projectlayouts (e.g. historic cemetery)
Identify alternative options (e.g., pipelines)
Evaluate a larger footprint (alignments, facilities)
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AlternativesAlternatives
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AlternativesAlternatives
Overlay environmental constraints and potential projectlayouts (e.g., historic cemetery)
Identify alternative options (e.g., pipelines)
Evaluate a larger footprint (alignments, facilities)
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AlternativesAlternatives
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AlternativesAlternatives
Overlay environmental constraints and potential projectlayouts (e.g., historic cemetery)
Identify alternative options (e.g., pipelines)
Evaluate a larger footprint (alignments, facilities)
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AlternativesAlternatives
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Avoid/Minimize/MitigateEnvironmental ImpactsAvoid/Minimize/MitigateEnvironmental Impacts
Cemetery – avoidedthroughimplementation of200-foot avoidancebuffer
Avoidance planrequired TexasHistoricalCommissionreview/approval
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Avoid/Minimize/MitigateEnvironmental ImpactsAvoid/Minimize/MitigateEnvironmental Impacts
Texas Parks and WildlifeDepartment state listedspecies
Species surveys andrelocations, if needed
Educational outreachto staff andcontractors