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State of California Open Data

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1 dataset

Surface Water - Freshwater Harmful Algal Blooms

  • Published by: California State Water Resources Control Board
  • Last updated: Wednesday, June 3, 2026
  • File types: PDF, CSV

Attention: Please note that the Freshwater Harmful Algal Bloom resources on the California Open Data Portal will not be updated from June 3 through Ju...

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