Skip to main content
U.S. flag

An official website of the United States government

Explore Search: Algal Toxins and Harmful Algal Blooms

Filter Total Items: 109
Research
A bloom of cyanobacteria near the shore of Milford Lake, Kansas

New Method Developed to Quantify Spatial Extent of Cyanobacterial Blooms

Research
Image shows varying pigment levels from a satellite perspective of lakes in the United States

Satellite Imagery Used to Measure Algal Bloom Frequency—Steps Toward Understanding Exposure Risk

Research
Aerial View of Lake Okeechobee

Evaluating Linkages Between Algal Toxins and Human Health

Project
Map of Idaho with available satellites

Satellite Monitoring of Algal Blooms in Idaho Waterbodies

Project
Sailboats at dock with inset photo of another dock

Using New Tools To Better Understand And Predict Harmful Cyanobacterial Algal blooms (HABs) At Ohio Lake Erie And Inland Beaches

Project
Lake Erie green waters at the Beach with Buoy marking swim area

Biodegradation Of Microcystins In Lake Erie Source Waters And Filters From Drinking-Water Plants

Podcasts
USGS CoreCast

Too Much of a Good Thing: Increasing Nitrogen Deposition in Lakes

Photography
Image of a laboratory with many pieces of lab equipment

Organic Geochemistry Research Laboratory, KS WSC

Project
Harmful Algal Bloom (HAB) in a stream

Harmful Algae Blooms (HABs)

slideshow
Two scientists collect a sediment core from the Root River at Grange Avenue in Greenfield, Wisconsin

MMSD Watercourse Corridor Study: 5. Nutrient Evaluations Gallery

Project
View of downtown Milwaukee, WI, taken from the Discovery World museum.

Milwaukee Metropolitan Sewerage District (MMSD) Watercourse Corridor Study

Project
Water Quality and a Petri dish with blue organisms.

Microbiological Water Quality

Research
Cheney Reservoir, Kansas Courtesy of KDHE

Cyanobacterial (Blue-Green Algal) Blooms: Tastes, Odors, and Toxins

Research
Cyanobacterial Accumulation at Binder Lake, Iowa

Algal Blooms Consistently Produce Complex Mixtures of Cyanotoxins and Co-Occur with Taste-and-Odor Causing Compounds in 23 Midwestern Lakes

Project
Illustration of Relational Chart for Microbial Ecology

Microbial Ecology

Project
Collage of various photos of processing in a Microbiology Laboratory showing equipment

Michigan Bacteriological Research Laboratory (MI-BaRL)

Photography
An algae bloom on Lake Le-Auqa-Na, Illinois.

Algal blooms occur in many water bodies where there is too much "food"

Photography
Scientific equipment on the deck of a ship in the ocean

On board the IODP vessel JOIDES Resolution

Research
A U.S. Geological Survey (USGS) microbiologist prepares a water sample for enterococci testing

Michigan Bacteriological Research Laboratory