Algal Blooms

The following stories from the CBF website include information about algal blooms.

  • Hampton Roads Faces Harmful Algal Blooms This Week

    August 27, 2021

    A proliferation of harmful algal blooms this week across Hampton Roads is clear in striking aerial photos and videos captured by CBF and American Multimedia Solutions near the Chesapeake Bay Bridge Tunnel on Aug. 26. The algae colored the water reddish-brown in many places, including Ocean View in Norfolk, Chic’s Beach in Virginia Beach, and the Lafayette and York rivers.

  • Shenandoah’s North Fork under Health Advisory Due to Harmful Algal Bloom

    August 13, 2021

    The Virginia Department of Health this week urged people to avoid the water on more than 50 miles of the North Fork of the Shenandoah River due to dangerous toxic algal mats recently reported in Shenandoah and Warren counties. These harmful algal blooms can contain toxins that cause illnesses and rashes in people, pets, and livestock.

  • CBF Statement on 2020 Chesapeake Bay Dead Zone

    October 28, 2020

    This year’s small dead zone is another positive sign that watershed-wide Chesapeake Bay cleanup efforts are working.

  • Bay Dead Zone: What’s It Like This Summer?

    August 7, 2020

    Each year during the summer, an area of water with low oxygen levels—known as a “dead zone”—forms in the Bay. But what about this year’s dead zone and what it means for the Bay?

  • What the Mahogany Tide Means for the Bay

    June 4, 2020

    We talk with CBF’s Maryland Senior Scientist Doug Myers to explain what's behind the rust-colored water in the mid-Bay's tidal rivers and what it means.

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