FINAL REPORT Evaluation of Seawater Desalination Projects ...
FINAL REPORT Evaluation of Seawater Desalination Projects ...
FINAL REPORT Evaluation of Seawater Desalination Projects ...
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EVALUATION OF SEAWATER DESALINATION PROJECTS<br />
PROPOSED FOR THE MONTEREY PENINSULA<br />
2.2 Monterey Bay Regional <strong>Seawater</strong> <strong>Desalination</strong> Project<br />
(P/SMCSD)<br />
Project name:<br />
Proponent(s):<br />
Location:<br />
Purpose:<br />
Monterey Bay Regional <strong>Desalination</strong> Project (MBRSDP)<br />
Pajaro/Sunny Mesa Community Services District in cooperation with<br />
Poseidon Resources Corporation<br />
The former National Refractories and Minerals Corporation plant site,<br />
Moss Landing<br />
To replace and augment existing water supplies serving the Monterey<br />
Peninsula, certain areas <strong>of</strong> northern Monterey County, the service area<br />
<strong>of</strong> the Pajaro/Sunny Mesa Community Services District and portions <strong>of</strong><br />
the Pajaro Valley Water Management Agency service area.<br />
Production volume:<br />
20 mgd (22,400 ac-ft per year capacity) (20,930 ac-ft/ year demand<br />
identified)<br />
Key features: 1. Pump station and raw water pipeline that will be used to transfer<br />
seawater from the Moss Landing Power Plant cooling water<br />
discharge stream and/or from the existing seawater intake at the<br />
National Refractories site to the desalination plant site proper.<br />
2. Return water discharge that will return concentrated seawater<br />
brine to the National Refractories Ocean Outfall.<br />
3. Source water fine screens, which will be 3/8-inch or smaller<br />
opening mechanical screens, to prevent debris from entering the<br />
desalination plant treatment facilities.<br />
4. Sedimentation basins that will provide initial clarification.<br />
5. Pre-treatment filters consisting <strong>of</strong> either granular media filtration or<br />
micro-screening and membrane filtration.<br />
6. Reverse osmosis (RO) process<br />
7. Post-treatment process<br />
8. Treated water storage<br />
9. Treated water pumping station<br />
10. Treated water pipeline<br />
Information provided to review<br />
team:<br />
1. Monterey Bay Regional <strong>Desalination</strong> Project, Conceptual Design<br />
Report – April 2006<br />
2. Monterey Bay Regional <strong>Desalination</strong> Project, Report <strong>of</strong> Waste<br />
Discharge – March 2006<br />
3. Monterey Bay Regional <strong>Desalination</strong> Project, Report <strong>of</strong> Waste<br />
Discharge Application for Renewal NPDES Permit CA 0007005,<br />
National Refractories Ocean Outfall – November 1, 2005<br />
4. Monterey Bay Regional <strong>Seawater</strong> <strong>Desalination</strong> Pilot Project –<br />
Proposition 50 Grant Application – March 22, 2006<br />
5. Monterey Peninsula Water Management District Comparative<br />
Matrix <strong>of</strong> Water Supply <strong>Projects</strong> – September 8, 2005<br />
Persons interviewed: 1. Peter MacLaggan, Poseidon Resources Corporation<br />
Figure 3 shows the National Refractories site and the proposed pipeline alignment.<br />
Monterey Peninsula Water Management District 2-5
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