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Algal Blooms Media Kit

EWG's Algal Bloom Press Kit

EWG identified 169 algal blooms across 40 states, based on 2017 news reports and aerial imagery. Below we’ve provided before-and-after satellite photos of 24 blooms in 12 states.

To learn more about the human health and environmental impacts of harmful algal blooms, check out EWG’s new report.

For more images and videos of algal blooms, please contact EWG’s Deputy Director of Communications, Sarah Graddy at [email protected].org or (202) 570-1939.
 

Jump to state

California

Clear Lake

4/20/2017 - Sentinel 2
Low Res: download
High Res: download

7/9/2017 - Sentinel 2
Low Res: download
High Res: download

Lake Oroville

6/24/16 - Sentinel 2
Low Res: download
High Res: download

8/23/16 - Sentinel 2
Low Res: download
High Res: download

Lake San Antonio

3/28/2017 - Sentinel 2
Low Res: download
High Res: download

6/19/2017 - Sentinel 2
Low Res: download
High Res: download

San Luis Reservoir

12/29/2016 - Landsat 8
Low Res: download
High Res: download

8/26/2017 - Landsat 8
Low Res: download
High Res: download

Florida

Lake Okeechobee

2/16/2017 - Landsat 8
Low Res: download
High Res: download

12/1/2016 - Landsat 8
Low Res: download
High Res: download

Idaho

Mormon Reservoir

DATE - SOURCE
Low Res: download
High Res: download

DATE - SOURCE
Low Res: download
High Res: download

Kansas

Webster Reservoir

2/15/2017 - Sentinel 2
Low Res: download
High Res: download

8/14/2017 - Sentinel 2
Low Res: download
High Res: download

Minnesota

Lake of the Woods

9/20/2015 - Landsat 8
Low Res: download
High Res: download

10/22/2015 - Landsat 8
Low Res: download
High Res: download

New Mexico

Elephant Butte

2/14/2016 - Landsat 8
Low Res: download
High Res: download

4/21/2017 - Landsat 8
Low Res: download
High Res: download

New York

Allegheny Reservoir

4/27/2017 - Sentinel 2
Low Res: download
High Res: download

9/24/2017 - Sentinel 2
Low Res: download
High Res: download

Owasco Lake

11/14/2016 - Landsat 8
Low Res: download
High Res: download

7/5/2017 - Landsat 8
Low Res: download
High Res: download

Ohio

Buckeye Lake

4/12/17 - Sentinel 2
Low Res: download
High Res: download

10/2/17 - Sentinel 2
Low Res: download
High Res: download

Maumee River

11/8/2015 - Landsat 8
Low Res: download
High Res: download

9/26/2017 - Landsat 8
Low Res: download
High Res: download

Maumee Bay State Park

2/4/2017 - Landsat 8
Low Res: download
High Res: download

9/26/2017 - Landsat 8
Low Res: download
High Res: download

St. Marys

5/18/2016 - Sentinel 2
Low Res: download
High Res: download

10/7/2016 - Sentinel 2
Low Res: download
High Res: download

Oregon

Odell Lake

9/25/2016 - Sentinel 2
Low Res: download
High Res: download

7/22/2017 - Sentinel 2
Low Res: download
High Res: download

Upper Klamath Lake

5/10/2017 - Landsat 8
Low Res: download
High Res: download

9/9/2017 - Landsat 8
Low Res: download
High Res: download

Texas

Lake Arlington, Texas

12/1/2016 - Sentinel 2
Low Res: download
High Res: download

2/16/2017 - Sentinel 2
Low Res: download
High Res: download

Utah

Utah Lake

8/31/2016 - Sentinel 2
Low Res: download
High Res: download

8/21/2017 - Sentinel 2
Low Res: download
High Res: download

Vermont

Lake Carmi

11/14/2016 - Sentinel 2
Low Res: download
High Res: download

9/13/2017 - Sentinel 2
Low Res: download
High Res: download

Wisconsin

Big Eau Pleine Reservoir

4/22/2017 - Landsat 8
Low Res: download
High Res: download

9/13/2017 - Landsat 8
Low Res: download
High Res: download

Castle Rock Lake

6/8/16 - Sentinel 2
Low Res: download
High Res: download

7/22/16 - Sentinel 2
Low Res: download
High Res: download

Lake Winnebago

6/10/17 - Sentinel 2
Low Res: download
High Res: download

9/23/2017 - Sentinel 2
Low Res: download
High Res: download

Petenwell Lake

6/8/2016 - Sentinel 2
Low Res: download
High Res: download

7/22/2016 - Sentinel 2
Low Res: download
High Res: download

Wyoming

Boysen Reservoir

11/26/2016 - Sentinel 2
Low Res: download
High Res: download

8/26/2017 - Sentinel 2
Low Res: download
High Res: download