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Monterey County Water Resources Agency
1441 Schilling Place, North Bldg., Salinas, CA 93901
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Contact Us |
1441 Schilling Place, North Bldg., Salinas, CA 93901
Phone (831) 755-4860 | FAX (831)
424-7935 | After Hours
(831) 796-1166
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About |
Governance |
Projects/Facilities |
Programs |
Documents |
Forms |
Seawater Intrusion Monitoring
Overview
Reports of seawater intrusion into the Salinas Basin (Basin) began as early as 1946 when the then named State Department of Public Works (now Department of Water Resources) published Bulletin 52. Since the original study of seawater intrusion in the Basin, numerous other studies to evaluate the extent, causes, impacts, and possible mitigation have been conducted. Today, Monterey County Water Resources Agency monitors the movement and extent of seawater intrusion by testing a series of wells located in the coastal northwestern portion of Monterey County.
Current Maps
| 180-Foot Aquifer | 180-Foot Aquifer with the 250 mg/L line |
| 400-Foot Aquifer | 400-Foot Aquifer with the 250 mg/L line |
Reports & Presentations
2023 SWI Contour Slides from Board of Directors Meeting
Recommendations to Address the Expansion of Seawater Intrusion in the Salinas Valley Groundwater Basin: 2020 Update
Integrated Coastal Groundwater Monitoring Program and Plan - May 2019
Recommendations to Address the Expansion of Seawater Intrusion in the Salinas Valley Groundwater Basin (Oct. 2017)
Report Report with Appendices Presentation
Historic Seawater Intrusion Maps |
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| 500 mg/L or greater chloride areas |
Monterey County Water Resources Agency
1441 Schilling Pl., North Bldg., Salinas, CA 93901
Phone (831) 755-4860 | FAX (831) 424-7935 | After Hours (831) 796-1166
Email: mcwater@countyofmonterey.gov