Understanding Harmful Algal Blooms: Impact on Outdoor Workouts and How to Stay Safe

What Are Harmful Algal Blooms (HABs)?

Harmful Algal Blooms (HABs) are rapid increases in algae or cyanobacteria in water bodies, which can produce toxins harmful to humans, animals, and the environment. These blooms often occur in warm, nutrient-rich waters and can appear as foam, scum, mats, or discolored water. (cdc.gov)

How Do HABs Affect Outdoor Workouts?

Engaging in outdoor activities near water bodies affected by HABs poses health risks. Contact with contaminated water can lead to illnesses such as skin rashes, respiratory issues, and gastrointestinal problems. Additionally, inhaling airborne toxins from HABs can cause respiratory distress. (cdc.gov)

Recognizing HABs in Your Area

HABs are more likely to occur during warm months, especially in summer and fall, when water temperatures rise and nutrient levels increase. Signs of a HAB include:

• Discolored water (green, blue, brown, or red)

• Visible scum or foam on the water's surface

• Unpleasant odors

It's important to note that not all algal blooms are harmful, but distinguishing between them can be challenging. Therefore, it's advisable to avoid contact with water that appears discolored or has a scummy appearance. (cdc.gov)

Staying Safe During Outdoor Workouts

To ensure your safety during outdoor activities near water bodies:

• Stay Informed: Check local advisories and reports on water quality before heading out.

• Avoid Contact: Steer clear of water that is discolored, has visible scum, or emits a foul odor.

• Protective Gear: If you must be near water, consider wearing protective clothing to minimize skin exposure.

• Rinse Off: After any activity near water, wash your skin and clothing thoroughly to remove potential contaminants.

Impact of Climate Change on HABs

Climate change contributes to the frequency and severity of HABs. Warmer temperatures and increased nutrient pollution create ideal conditions for these blooms, making them more common in various regions. (cdc.gov)

Conclusion

Harmful Algal Blooms pose significant health risks to individuals engaging in outdoor activities near affected water bodies. By staying informed, recognizing signs of HABs, and taking necessary precautions, you can enjoy your workouts safely.

Highlights:

• Jump in? Not So Fast! Impact of Cyanobacteria Blooms on Recreational Waters | US EPA, Published on Tuesday, April 28