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Algal Control By Phosphate Restriction. Mason Lake (Irvine) contains toxic algae. They will install a water treatment plant to remove phosphate. Newport Back Bay is nearby and may also be contaminated with the toxic algae. Eastlake (Yorba Linda) is the control lake and is not being treated.

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algal control by phosphate restriction
Algal Control By Phosphate Restriction
  • Mason Lake (Irvine) contains toxic algae. They will install a water treatment plant to remove phosphate.
  • Newport Back Bay is nearby and may also be contaminated with the toxic algae.
  • Eastlake (Yorba Linda) is the control lake and is not being treated.
mason lake
Mason Lake

Sampling Site

upper newport bay
Upper Newport Bay
  • Top birding site
  • Home to 200 species of birds
  • 30,000 migrating birds per day
  • Audubon Society/F&G conducts a monthly bird count
sample analysis
Sample Analysis
  • Algal Assay
    • Species ID
    • Cell count
  • Chlorophyll Assay
  • Flow Cytometry
    • Species populations
  • Phosphate Assay
slide29

Chlorophyll Assay

Filter the water to capture the algae on the filter paper

filter algae out of water add a reagent that turns blue when it contacts phosphate
Filter algae out of water, add a reagent that turns blue when it contacts phosphate

Phosphate Assay

mason lake eastlake1
Mason Lake Eastlake

Filters with algae left on them