Check your state's restrictions before going to the lake or beach.

With the summer and warm weather approaching, many people are ready to pack up their beach bags and hit the pool. Beaches and lakes across the country were already flooded with people on Memorial Day weekend, even in areas where there's still a stay-at-home order (some recreational activity is allowed depending on where you live). But with the coronavirusactively spreading among the population, there's a concern busy beaches and public swimming pools could contribute to a second wave of the pandemic.

The Centers for Disease Control and Prevention says the main way for the virus to spread is from an infected person to another person through respiratory droplets, which typically happens when they are within 6 feet of each other. So what does that mean for you -- can the virus survive in natural and human-made bodies of water and infect others?

Here's what we know about coronavirus and the water you swim in. This article provides an overview and isn't intended as medical advice. It updates frequently with new information drawn from the Centers for Disease Control and Prevention, state and county guidelines and experts in the medical community.

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While many public pools have decided to keep their door closed until further notice, others are opening this summer. The CDC says there's no evidence the coronavirus can spread to people through pool water and that proper cleaning with chlorine or bromine should inactivate the virus if it's in the water.

So why are pools remaining closed if there's no evidence of the virus spreading through the water? Because of human behavior. While the coronavirus may not spread easily through pool water, say if someone spits out a big mouthful they accidentally almost swallowed, it could still infect people in close range when heads are out of the water. For example, a group of people chatting in the shallow end, or playing a pool game may be more likely to acquire the virus from their companions' breath or saliva (e.g., through shouting to be heard at a noisy pool) than from the water itself.

In addition, pools, especially public ones, contain high-traffic areas and surfaces that are touched often, like the railing on the steps to get out of the pool or any doors to enter the premises. The principle ofsocial distancingis to keep people far enough away so someone who may not know they're infected doesn't pass the virus on to another person, or a group of people. Bathrooms, lunch lines, shady indoor areas and any place where people come in close proximity can increase your risk.

Keep your distance from others while swimming in a public pool.

Before you even think about going to the lake or beach, you need to see if the local or state restrictions have been lifted in your area. In many places, lakes and beaches are still closed to the public to help prevent the further spread of COVID-19. For example, many beaches in California are closed, while others are only open for active recreation following physical distancing guidelines -- which may be enforced by lifeguards or a beach patrol vehicle. This means hanging out to relax, grill or picnic won't be permitted, especially in large gatherings.

If the body of water near you is open and you're planning on going, it's best to limit your group to the members of your household.

CNET spoke with Andrew Janowski, an infectious diseases physician at Washington University. He said the water is safe as long as you social distance from those you're not typically in close contact with. He also said if someone who is sick with the coronavirus is in the water, they are unlikely to transmit it to others. He added, "the water will dilute out these secretions, making it much more difficult for a sufficient number of viral particles to come into contact with you."

While you may not know if another person swimming in the water is infected, it doesn't hurt to play it safe and keep your distance from others. Even if someone isn't showing symptoms, asymptomatic people can still transmit the coronavirus.

Experts say the volume of water in lakes and oceans will dilute the virus.

The understanding among experts is the coronavirus can spread more easily in enclosed, indoor areas where people are more likely to share the same air. That's the logic fueling the opening of curbside pickups and outdoor dining as some of the earlier phases of reopening.

Before agreeing to any boat plans with friends, first ask yourself these questions: Do they live with me? Are stay at home orders lifted in my area? Are small gatherings under 10 people allowed where I live?

If you answered no to any of these questions, it's safest to take a rain check on the invitation or keep the boat ride limited to the people in your household, if you're the one doing the inviting.

If you answered yes to these questions, ask yourself one more: Do I spend time with elderly people or anyone with a compromised immune system? Remember that staying healthy helps keep those around you healthy as well.

If you do go out on the water, use your best judgment and make sure you have enough equipment to make it easy for people to keep clean, and distant. Some general tips: Don't load your boat to the max with friends sitting shoulder to shoulder. Discourage reusable cups and the sharing of drinks ("Here, taste mine!"). Keep disinfectant wipes, soap and hand sanitizer handy. As an extra precaution, you could disinfect the surfaces when the passengers disembark.

The CDC recommends you wear a face mask or covering when social distancing is difficult. In this case, it could mean wearing a face mask when walking past a group of people to find an open spot to sit or while waiting in line at the restroom.

Some places, like LA County, require masks to be worn at the beach when out of the water. The CDC advises that you don't wear a mask when you're in the water because it makes it difficult to breathe when the mask is wet.

It's hard to say. Ask the facility or park how often the restrooms are cleaned. If it doesn't look like it has been cleaned in some time, you may feel more comfortable staying away. Wearing a face mask inside public restrooms is a smart precaution.

Also, make sure there's soap and running water, or that you have hand sanitizer ready. Use paper towels to dry your hands, if available, rather than a hand dryer that can blow particles in the air.

If there's a long line waiting to get in, stand at least 6 feet back from the person in front of you. Note that many public restrooms are remaining closed during this time.

In order to help keep yourself and others protected, we recommend following these guidelines.

While restrictions are loosening in many areas of the country, it's important that you know how to help keep yourself protected. Here are 16 tips to help you avoid the coronavirus when you go out in public, what we know about how long the coronavirus will last and if there will be a second wave and what to do if you think you or someone you live with is infected with the coronavirus.

The information contained in this article is for educational and informational purposes only and is not intended as health or medical advice. Always consult a physician or other qualified health provider regarding any questions you may have about a medical condition or health objectives.

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COVID-19 at the beach, lake, pool: Can the coronavirus live in water? - CNET