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Sanitation Districts
of Los Angeles County
Planning Section - Lancaster WRP
1955 Workman Mill Road
Whittier, CA 90601
Phone: (800) 426-7414,
ext. 2720

Final Lancaster Water Reclamation Plant 2020 Facilities Plan (May 2004)

List of Figures

Figure ES-1Districts’ Service Area and Facilities (Front)Follows ES-2
Figure ES-1Districts’ Service Area and Facilities (Back)Follows ES-2
Figure ES-2Lancaster Water Reclamation Plant and Effluent Utilization SitesFollows ES-2
Figure ES-3Lancaster Water Reclamation Plant Treatment SchematicFollows ES-2
Figure ES-4District No. 14 Planning Area Projected Wastewater FlowFollows ES-2
Figure ES-5Lancaster Water Reclamation Plant Effluent Management System SchematicFollows ES-2
Figure ES-6Development and Evaluation of AlternativesFollows ES-4
Figure ES-7Alternative 1: 10 mgd CAS/Tertiary Treatment, Agricultural Reuse, and Storage ReservoirsFollows ES-12
Figure ES-8Alternative 2: 26 mgd CAS/Tertiary Treatment, Agricultural Reuse, and Storage ReservoirsFollows ES-12
Figure ES-9Alternative 3: 10 mgd CAS/Tertiary Treatment and Agricultural Reuse/Land ApplicationFollows ES-12
Figure ES-10Alternative 4: 26 mgd CAS/Tertiary Treatment and Agricultural Reuse/Land ApplicationFollows ES-12
Figure ES-11Lancaster Water Reclamation Plant Wastewater Treatment Facilities ExpansionFollows ES-16
Figure ES-12Recommended Project: 10 mgd CAS/Tertiary Treatment, Agricultural Reuse, and Storage ReservoirsFollows ES-16
Figure ES-13

Implementation Schedule for Lancaster Water Reclamation Plant Stages V and VI Expansions

Follows ES-18
Figure 1-1Antelope ValleyFollows 1-2
Figure 1-2District No. 14 Service Area and Sphere of InfluenceFollows 1-2
Figure 1-3

Lancaster Water Reclamation Plant Effluent Utilization Sites

 

Follows 1-2
Figure 2-1General Surface Geology of the Antelope ValleyFollows 2-2
Figure 2-2General Geologic Cross Section (taken from Figure 2-1)Follows 2-2
Figure 2-3Major Faults In and Near the Antelope ValleyFollows 2-2
Figure 2-4Major Watercourses of the Planning AreaFollows 2-4
Figure 2-5Subunits of the Lancaster Groundwater SubbasinFollows 2-6
Figure 2-6Proposed Significant Ecological AreasFollows 2-8
Figure 2-7Boundary of the Antelope Valley Air Quality Management DistrictFollows 2-10
Figure 2-8Groundwater Extraction and Recharge in the Lancaster SubbasinFollows 2-16
Figure 2-9Lancaster Subbasin Cumulative Groundwater OverdraftFollows 2-16
Figure 2-10Areas of Land Subsidence Due to Groundwater OverdraftFollows 2-16
Figure 2-11

State Water Project Water Supply to Antelope Valley

 

Follows 2-18
Figure 4-1Lancaster Water Reclamation Plant Process Flow DiagramFollows 4-2
Figure 4-2Lancaster Water Reclamation Plant Treatment SchematicFollows 4-2
Figure 4-3Lancaster Water Reclamation Plant Site PlanFollows 4-2
Figure 4-3aLancaster Water Reclamation Plant Site Plan DetailFollows 4-2
Figure 4-4Major Components of the Lancaster Water Reclamation Plant Wastewater Conveyance SystemFollows 4-2
Figure 4-5

Lancaster Water Reclamation Plant Effluent Management System Schematic

 

Follows 4-4
Figure 5-1State Water Project Delivery Probability CurvesFollows 5-2
Figure 5-2Industrial Wastewater Flow ProjectionFollows 5-14
Figure 5-3

District No. 14 Planning Area Projected Wastewater Flow

 

Follows 5-14
Figure 6-1Development and Evaluation of AlternativesFollows 6-2
Figure 6-2Alternative 1: 10 mgd CAS/Tertiary Treatment, Agricultural Reuse, and Storage ReservoirsFollows 6-16
Figure 6-3Alternative 2: 26 mgd CAS/Tertiary Treatment, Agricultural Reuse, and Storage ReservoirsFollows 6-16
Figure 6-4Alternative 3: 10 mgd CAS/Tertiary Treatment and Agricultural Reuse/Land ApplicationFollows 6-18
Figure 6-5

Alternative 4: 26 mgd CAS/Tertiary Treatment and Agricultural Reuse/Land Application

 

Follows 6-18
Figure 7-1Lancaster Water Reclamation Plant Wastewater Treatment Facilities ExpansionFollows 7-2
Figure 7-2Recommended Project: 10 mgd CAS/Tertiary Treatment, Agricultural Reuse, and Storage Reservoirs Follows 7-4
Figure 7-3District No. 14 Wastewater Flow Projection and Lancaster Water Reclamation Plant Capacity Follows 7-6
Figure 7-4Lancaster Water Reclamation Plant Stages V and VI ExpansionsFollows 7-8
Figure 7-5Implementation Schedule for Lancaster Water Reclamation Plant Stages V and VI Expansions Follows 7-8
Figure 7-6Study Areas for Siting Storage ReservoirsFollows 7-12
Figure 7-7Study Areas for Siting Agricultural OperationsFollows 7-14
Sanitation Districts of Los Angeles County