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You can download these images and use them on your websites, social media, and blogs. Use these graphics with sample social media messages to increase awareness about harmful algae and cyanobacteria (blue-green algae).

Stay out of lakes and rivers if you see scum or changes in water color. You could sick from water with cyanobacteria (blue green algae) by: touching it, breathing it in, swallowing it. www.cdc.gov/habs
Going in water with cyanobacteria (blue-green algae) can make you sick. If the water is scummy or discolored, avoid activities like: wading, swimming, kayaking/canoeing, or water skiing/tubing. www.cdc.gov/habs
Avoid water with harmful algae or cyanobacteria. Harmful water can: smell bad, look discolored, have scum or paint-like streaks on the surface, or have dead fish. www.cdc.gov/habs
You can't always see harmful cyanobacteria (blue-green algae). Stay healthy by following guidance on posted signs, rinsing yourself and your pets with tap water, and bringing plenty of water for pets to drink. Don't: get water in your mouth, let kids touch or eat algae, let pets drink water, or let pets eat algae or lick it off their fur.
Cyanobacteria (blue-green algae) can be deadly for dogs. Protect pets by keeping them out of scummy or discolored water. If they do go in, rinse them with tap water right away.
Keep pets safe near lakes and rivers. Do: follow guidance on posted signs, rinse yourself and pets right after going in the water, bring plenty of water for pets to drink. Don't: let pets drink water or eat algae or lick it off their fur. www.cdc.gov/habs
Don't let your pets swim in, play in, or drink discolored or scummy water.
Cyanobacteria (blue-green algae) can be deadly for farm animals. If you see scummy or discolored water, protect your animals by keeping them from: drinking water, going in water, or eating near water. www.cdc.gov/habs
Cyanobacteria in water can affect people, animals, and our environment. You and your animals can get sick if you go into, breathe in, or swallow the water. Animals living in the water might not be able to breathe. Cyanobacteria can use up oxygen in water and block sunlight plants need.
If it's green, don't go in.
Know before you visit the water! Check for swimming advisories in lakes, rivers or beaches. Harmful algal bloom warning sign
Clear water isn't always safe water. Check for local swimming advisories before visiting lakes, rivers, and oceans.
Check for red tide advisories before you visit the ocean or coast! Red tide is a type of harmful algal bloom that can harm people, animals, and the environent. www.cdc.gv/habs
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