Seawater intrusion in the Salinas Valley has been studied since the 1940s. This page contains a library of reports and related materials on seawater intrusion from several agencies and sources.
1946 Salinas Basin Investigation Summary Report
1976 Hydrogeological Report on the Deep Aquifer
1976 Report on Castroville Irrigation Project Part 1
1976 Report on Castroville Irrigation Project Part 2
1988 Simulated Effects of Ground-Water Management Alternatives for the Salinas Valley
2001 Final Report: Hydrogeologic Investigation of the Salinas Valley Basin
2002 Geohydrology Deep Aquifer Monitoring
2003 Technical Memorandum: Deep Aquifer Investigation
2004 Hydrostratigraphic Analysis of the Northern Salinas Valley
2005 Final Report: Installation of Deep Aquifer Monitoring Wells
2007 El Toro Groundwater Study
2017 MCWRA Recommendations to Address Expansion of Seawater Intrusion
2017 Salinas Valley Groundwater Level Contours & Seawater Intrusion Maps
2018 Deep Aquifers Roundtable Meeting
2019 North Monterey County Crought Contingency Plan
2019 Integrated Coastal Groundwater Monitoring Program and Plan
2020 Update: MCWRA Recommendations to Address Expansion of Seawater Intrusion
Mapping Aquifer Systems with Airborne Electromagnetics in the Central Valley of California
Electrical Resistivity Imaging Seawater Intrusion into the Monterey Bay Aquifer
Calibrating a Saltwater Intrusion Model with Time-Domain Electromagnetic Data
2018 Greater Monterey County Integrated Regional Water Management Plan
2017 Hydrologic Working Group Hydrogeologic Investigation
2019 Weiss Review of Recent Data and Studies
2018 HWG Response to Legal Brief Tech
2019 Marina Permit HWG Response
2019 Exhibit 14 HWG AEM Response
AGF-MCWD 2019 Final AEM Report
2018 FO Sampling Data Transmittal
2019 MCWD AEM Study Supplemental Information
Stanford AEM Method to Map Seawater Intrusion Geophysics
2017 Stanford AGF AEM Study Report Final
Appendix 1 – 2D Profiles 2019 Rho-Elogs Comparison
Appendix 1 – 2D Profiles 2017 2019 Rho Comparison with Lith Logs
Appendix 1 – 2D Profiles 2019 Rho-CLconc Lith-Elogs Comparison
Appendix 1 – 2D Profiles 2019 2019 CLconc Comparison with Logs
Appendix 2 – 3D Fence Diagram MCWD 2019 Rho
Appendix 2 – 3D Fence Diagram MCWD 2019 CLconc
Appendix 2 – 3D Voxels – Comparison 2017-2019 VoxelBelowRho75 for Ranges 1-500 and 10000-40000
Appendix 2 – 3D Voxel Depth Slices – Comparison 2017-2019 CL Concentrations
Appendix 2 – 3D Voxel Easting Slices – Comparison 2017-2019 CL Concentrations
Appendix 2 – 3D Voxel Northing Slices – Comparison 2017-2019 CL Concentrations
Geosciences Support Services Reports for Cal-Am Project
2014 GSSI Exploratory Boreholds (TM1)
2014 GSSI Slant Well Predictive Scenarios
Maps
p180_2022_SWI
Pressure 180-Foot Aquifer
p400_2022_SWI
Pressure 400-Foot Aquifer
DeepWells_map
Deep Wells Map
DeepAquifers_WellsMap_August2020
Deep Aquifer Wells
(.kml file which requires an Earth browser such as Google Earth to open)