Drought

Toxic blue-green algae bloom now found in south Delta

Algal bloom in Pyramid Lake

The State Water Resources Control Board is now reporting the identification of a toxic cyanobacteria (blue-green algae) bloom in Grantline Canal and Old River surrounding Fabian Tract in San Joaquin County, near both Tracy and Mountain Horse. Ongoing monitoring has discovered an extensive cyanobacteria bloom of Microcystis occurring in the …

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