Final Palmdale Water Reclamation Plant 2025 Facilities Plan and EIR (September 2005)

List of Figures

Figure ES-1 Districts’ Service Area and Facilities (Front)
Figure ES-1 Districts’ Service Area and Facilities (Back)
Figure ES-2 Palmdale Water Reclamation Plant Effluent Management Site
Figure ES-3 Palmdale Water Reclamation Plant Treatment Schematic
Figure ES-4 Projected Wastewater Flow for the District No. 20 Planning Area
Figure ES-5 Current Palmdale Water Reclamation Plant Effluent Management System Schematic
Figure ES-6 Development and Evaluation of Project Alternatives
Figure ES-7 Palmdale Water Reclamation Plant Stage V
Figure ES-8 Palmdale Water Reclamation Plant Stage VI
Figure ES-9 Agricultural Reuse and Storage Reservoir Study Areas
Figure ES-10 Proposed Effluent Management Site
Figure ES-11 Implementation Schedule for Palmdale Water Reclamation Plant Stage V
Figure ES-12 Implementation Schedule for Palmdale Water Reclamation Plant Stage VI

Figure 1-1 Historic Treatment Capacity of the Palmdale Water Reclamation Plant
Figure 1-2 Palmdale Water Reclamation Plant Effluent Management Site
Figure 1-3 District No. 20 Service Area and Sphere of Influence

Figure 2-1 District No. 20 Planning Area
Figure 2-2 Boundary of the Antelope Valley
Figure 2-3 General Surface Geology of the Antelope Valley
Figure 2-4 General Geologic Cross Section
Figure 2-5 Faults In the Antelope Valley
Figure 2-6 Major Water Courses in the Planning Area
Figure 2-7 Subunits of the Lancaster Groundwater Subbasin
Figure 2-8 Boundary of the Antelope Valley Air Quality Management District
Figure 2-9 Land Use Within the Planning Area

Figure 4-1 Palmdale Water Reclamation Plant Treatment Schematic
Figure 4-2 Palmdale Water Reclamation Plant Site Plan
Figure 4-2a Palmdale Water Reclamation Plant Site Plan Detail
Figure 4-3 District No. 20 Service Area and Trunk Sewers
Figure 4-4 Existing and Future Agricultural Production Areas at the Effluent Management Site

Figure 5-1 State Water Project Water Supply to Antelope Valley
Figure 5-2 Groundwater Extraction and Recharge in the Lancaster Subbasin
Figure 5-3 Lancaster Subbasin Cumulative Groundwater Overdraft
Figure 5-4 Areas of Land Subsidence Due to Groundwater Overdraft
Figure 5-5 Industrial Waste Projections for District No. 20
Figure 5-6 Census Tracts Within the District No. 20 Planning Area
Figure 5-7 Projected Wastewater Flow for the District No. 20 Planning Area
Figure 5-8 Projected Biosolids Production for Existing Treatment Technologies

Figure 6-1 Development and Evaluation of Project Alternatives

Figure 7-1 Treatment Capacity Versus Projected Wastewater Flow for District No. 20 Planning Area
Figure 7-2 Palmdale Water Reclamation Plant Stage V
Figure 7-3 Palmdale Water Reclamation Plant Stage VI
Figure 7-4 Effluent Management Initial Survey Area
Figure 7-5 Agricultural Reuse Study Areas
Figure 7-6 Storage Reservoir Study Areas
Figure 7-7 Proposed Effluent Management Sites
Figure 7-8 Implementation Schedule for Palmdale Water Reclamation Plant Stage V
Figure 7-9 Implementation Schedule for Palmdale Water Reclamation Plant Stage VI

Figure 8-1 PWRP 2025 Facilities Plan Proposed Project, Alternative Sites, and Initial Survey Area

Figure 9-1 PWRP 2025 Facilities Plan Current Land Use
Figure 9-2 Antelope Valley Significant Ecological Areas Existing and Proposed Boundaries
Figure 9-3 PWRP 2025 Facilities Plan Important Farmland
Figure 9-4 General Plan Land Use Designations

Figure 10-1 Typical Visual Settings in Palmdale
Figure 10-2 City of Palmdale Scenic Streets and Highways

Figure 12-1 Vegetation Communities, Habitat Quality, and Special Status Species Observations of the Initial Study Area

Figure 13-1 Roadways in the Vicinity of the Project Site
Figure 13-2 Palmdale Designated Truck Routes

Figure 14-1 Antelope Valley Surface Drainage Features
Figure 14-2 Flood Plain Map
Figure 14-3 Lancaster Groundwater Subbasin
Figure 14-4 Interpreted Distribution of Nitrate (as N) in Groundwater 0-50 Feet Below Water Table
Figure 14-5 Groundwater Elevation Contour Map-September 2004

Figure 15-1 Faults in the Antelope Valley
Figure 15-2 Initial Study Area Soil Types (Series)
Figure 15-3 Lease Area Soil Types (Series)
Figure 15-4 Liquefaction Hazard Zones
Figure 15-5 Aggregate Mineral Resource Zones

Figure 16-1 Palmdale Wind Rose Data for 2000

Figure 17-1 Noise and Land Use Compatibility Matrix Guidelines
Figure 17-2 Common Noise Levels and Public Reactions

Figure 19-1 Parks and Recreation

Figure 20-1 Census Tracts in the Palmdale Area