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Pacific Southwest, Region 9: Superfund

Serving Arizona, California, Hawaii, Nevada, the Pacific Islands, and Tribal Nations

San Fernando Valley (All Areas)

Superfund Site

Technical Document

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Date Title / pdf File
01/30/04 San Fernando Valley Modeling Results

As part of the basinwide feasibility study, a groundwater flow model was developed in 1992 and was modified and recalibrated in 1994 for the San Fernando Valley. The following figures have been taken from the San Fernando Groundwater Model Documentation (EPA Work assignment No. 31-38-9959, October 1994) and present information about the model.


Model Configuration
Figure 4-1 San Fernando Basin Groundwater Flow Model SFV Figure 4-1.pdfSFV Figure 4-1.pdf
Figure 4-2 Location of Available and Constructed Cross SectionsSFV Figure 4-2.pdfSFV Figure 4-2.pdf
Figure 4-3 Extent of Model LayersSFV Figure 4-3.pdfSFV Figure 4-3.pdf
Figure 4-4 Bottom of Model Layer 1 - ElevationSFV Figure 4-4.pdfSFV Figure 4-4.pdf
Figure 4-5 Bottom of Model Layer 2 - ElevationSFV Figure 4-5.pdfSFV Figure 4-5.pdf
Figure 4-6 Bottom of Model Layer 3 - ElevationSFV Figure 4-6.pdfSFV Figure 4-6.pdf
Figure 4-7 Bottom of Model Layer 4 - ElevationSFV Figure 4-7.pdfSFV Figure 4-7.pdf
Figure 4-8 Thickness of Model Layer 1SFV Figure 4-8.pdfSFV Figure 4-8.pdf
Figure 4-9 Thickness of Model Layer 2SFV Figure 4-9.pdfSFV Figure 4-9.pdf
Figure 4-10 Thickness of Model Layer 3SFV Figure 4-10.pdfSFV Figure 4-10.pdf
Figure 4-11 Thickness of Model Layer 4SFV Figure 4-11.pdfSFV Figure 4-11.pdf
Model Parameters
Figure 5-1 Hydraulic Conductivity Zone, Model Layer 1SFV Figure 5-1.pdfSFV Figure 5-1.pdf
Figure 5-2 Hydraulic Conductivity Zone, Model Layer 2SFV Figure 5-2.pdfSFV Figure 5-2.pdf
Figure 5-3 Hydraulic Conductivity Zone, Model Layer 3SFV Figure 5-3.pdfSFV Figure 5-3.pdf
Figure 5-4 Hydraulic Conductivity Zone, Model Layer 4SFV Figure 5-4.pdfSFV Figure 5-4.pdf
Figure 5-5 Total Transmissivity of Model Layers 1, 2, 3SFV Figure 5-5.pdfSFV Figure 5-5.pdf
Figure 5-6 Zoned Ratio of Horizontal to Vertical Hydraulic Conductivity Along Boundary Between Model Layers 1 and 2SFV Figure 5-6.pdfSFV Figure 5-6.pdf
Figure 5-7 Specific Yield Zones Model Layer 1SFV Figure 5-7.pdfSFV Figure 5-7.pdf
Figure 5-8 River bed Conductance ZonesSFV Figure 5-8.pdfSFV Figure 5-8.pdf
Model Stresses
Figure 6-1 Hill and Mountain Front Recharge ZonesSFV Figure 6-1.pdfSFV Figure 6-1.pdf
Figure 6-2 Delivered Water Recharge ZoneSFV Figure 6-2.pdfSFV Figure 6-2.pdf
Model Calibration
Figure 7-1 Calibration WellsSFV Figure 7-1.pdfSFV Figure 7-1.pdf
Figure 7-2 Simulated versus Estimated Groundwater Contours, Autumn 1988SFV Figure 7-2.pdfSFV Figure 7-2.pdf
Figure 7-3 Difference Between Simulated and Estimated Groundwater Contours, Autumn 1988SFV Figure 7-3.pdfSFV Figure 7-3.pdf
Figure 7-8 Model Layer 1 Cells that Become Dry During WY 1982-1992 SimulationSFV Figure 7-8.pdfSFV Figure 7-8.pdf

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