Oceanside Seawater Desalination Feasibility Study Jason Dafforn - - PowerPoint PPT Presentation

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Mar 16, 2023 194 likes •443 views

Oceanside Seawater Desalination Feasibility Study Jason Dafforn Water Utilities Division Manager Mission Basin Groundwater Purification Facility A Facility with Many Names: - Mission Basin Desalting Facility - Desalter - RO Plant Reverse

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Oceanside Seawater Desalination Feasibility Study

Jason Dafforn Water Utilities Division Manager

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A Facility with Many Names:

Mission Basin Desalting Facility
Desalter
RO Plant

Reverse Osmosis Treatment Brackish Groundwater Extraction From Basin 6.37 MGD Rated Capacity

Approx. 75% Recovery

Mission Basin Groundwater Purification Facility

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∗Increase Local Supply and Production ∗Reduce Dependency on Imported Water ∗Increase Sustainability and Reliability

Goals Moving Forward

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∗Limited Water Supply in Basin ∗Extraction Capabilities ∗Environmental Regulations

Constraints

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∗Locate a New Supply ∗Quality ∗Quantity ∗Location

Water Supply

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The City of Oceanside Seawater Desalination Project

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Feasibility and Pilot Study

“The primary objective of the pilot study was to develop design parameters for a treatment process which supports implementation of a full-scale seawater desalination project at MBGPF.” -Seawater Desalination Feasibility Report 2010

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∗ Pilot Test Site Selection ∗ Monitoring/Test Well Siting, Design and Construction ∗ Pilot Testing ∗ Raw Water Pipeline Alignment Study ∗ Brine Line Analysis ∗ Preliminary Plant Design ∗ Cost of Facilities ∗ Recommend Additional Studies

Project Objectives

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Site Selection

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Test Well

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Proposed Well Locations Existing Treatment Site

Alignment Study

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Proposed Alignment

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Brine Line

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Plant Layout

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∗5 MGD Facility - $90 Million ∗10 MGD Facility - $150 Million

Estimated Costs

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∗ Estimate Quality of Water ∗ Pumping Characteristics (Quantity) ∗ Estimated Project Costs ∗ Moving Forward with Well Siting Study

Conclusions of Feasibility and Pilot Study

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∗ Perform Surface Geophysical Surveys ∗ Exploratory Borings ∗ Install Monitoring Wells ∗ Construct Test Well ∗ Well Pump Test ∗ Evaluation, Analysis, and Conclusions ∗ Recommendations

Well Siting Study

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Geophysical Survey

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Exploratory Borings

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Monitoring Wells

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Proposed Test Well

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Next Steps

∗Construct Test Well ∗Perform Pump Test ∗Analyze Data ∗Recommendations

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