Disease: Recreational Water Illnesses (RWIs)

    Recreational water illness (RWIs) facts

    *Recreational water illness facts

    What are Recreational Water Illnesses (RWIs)?

    Recreational water illnesses (RWIs) are caused by germs spread by swallowing, breathing in mists or aerosols of, or having contact with contaminated water in swimming pools, hot tubs, water parks, water play areas, interactive fountains, lakes, rivers, or oceans. RWIs can also be caused by chemicals in the water or chemicals that evaporate from the water and cause indoor air quality problems. RWIs can be a wide variety of infections, including gastrointestinal, skin, ear, respiratory, eye, neurologic and wound infections. The most commonly reported RWI is diarrhea. Diarrheal illnesses can be caused by germs such as Crypto (short for Cryptosporidium), Giardia, Shigella, Norovirus and E. coli O157:H7.

    Where are Recreational Water Illnesses (RWIs) Found?

    RWIs are caused by germs spread through contaminated water in swimming pools, water parks, water play areas, hot tubs, decorative water fountains, oceans, lakes, and rivers.

    Swimming Pools, Water Parks, Water Play Areas

    The most common RWI is diarrhea. Swallowing water that has been contaminated with feces containing germs can cause diarrheal illness.

    Swimmers share the water - and the germs in it - with every person who enters the pool. On average, people have about 0.14 grams of feces on their bottoms which, when rinsed off, can contaminate recreational water. In addition, when someone is ill with diarrhea, their stool can contain millions of germs. This means that just one person with diarrhea can easily contaminate the water in a large pool or water park. People may not realize that although there is no standing water in interactive fountains/water play areas, the spray water will rinse any contaminants (for example, diarrhea, vomit, and dirt) down into the water holding area and be sprayed again. In other words, the water is recycled through the system.

    Swallowing even a small amount of recreational water that has been contaminated with feces containing germs can make you sick.

    Hot Tubs

    Skin infections like "hot tub rash" are a common RWI spread through hot tubs and spas. Respiratory illnesses are also associated with the use of improperly maintained hot tubs.

    The high water temperatures in most hot tubs make it hard to maintain the disinfectant levels needed to kill germs. That's why it's important to check disinfectant levels in hot tubs even more regularly than in swimming pools.

    The germs that cause "hot tub rash" can also be spread in pools that do not have proper disinfectant levels and in natural bodies of water such as oceans, lakes, or rivers.

    Decorative Water Fountains

    Not all decorative fountains are chlorinated or filtered. Therefore, when people, especially diaper-aged children, play in the water, they can contaminate the water with fecal matter. Swallowing this contaminated water can then cause diarrheal illness.

    Oceans, Lakes, and Rivers

    Oceans, lakes, and rivers can be contaminated with germs from sewage spills, animal waste, water runoff following rainfall, fecal incidents, and germs rinsed off the bottoms of swimmers. It is important to avoid swallowing the water because natural recreational water is not disinfected. Avoid swimming after rainfalls or in areas identified as unsafe by health departments. Contact your state or local health department for water testing results in your area or go to EPA's beach site.

    How are Recreational Water Illnesses (RWIs) Spread?

    Diarrheal Illnesses

    Swallowing water that has been contaminated with containing germs can cause diarrheal illness.

    Swimmers share the water - and the germs in it with every person who enters the pool. On average, people have about 0.14 grams of feces on their bottoms which, when rinsed off, can contaminate recreational water. In addition, when someone is ill with diarrhea, their stool can contain millions of germs. This means that just one person with diarrhea can easily contaminate the water in a large pool or water park. Swallowing even a small amount of recreational water that has been contaminated with feces containing germs can make you sick.

    In addition, lakes, rivers, and the ocean can be contaminated with germs from sewage spills, animal waste, and water runoff following rainfall. Some common germs can also live for long periods of time in salt water.

    Other RWIs

    Many other RWIs (skin, ear, eye, respiratory, neurologic, wound, and other infections) are caused by germs that live naturally in the environment (for example, in water and soil). If disinfectant levels in pools or hot tubs are not maintained at the appropriate levels, these germs can multiply and cause illness when swimmers breathe in mists or aerosols of or have contact with the contaminated water.

    Why Doesn't Chlorine Kill RWI Germs?

    Chlorine (in swimming pools and hot tubs) kills the germs that cause recreational water illnesses (RWIs), but the time it takes to kill each germ varies.

    In pools and hot tubs with the correct pH and disinfectant levels, chlorine will kill most germs that cause RWIs in less than an hour. However, chlorine takes longer to kill some germs, such as Crypto (short for Cryptosporidium). Crypto can survive for days even in a properly disinfected pool. This is why it is so important for swimmers to keep germs out of the water in the first place.

    To protect yourself, your family, and other swimmers from RWIs, it is essential to learn and practice healthy swimming behaviors.

    What are Recreational Water Illnesses (RWIs)?

    Recreational water illnesses (RWIs) are caused by germs spread by swallowing, breathing in mists or aerosols of, or having contact with contaminated water in swimming pools, hot tubs, water parks, water play areas, interactive fountains, lakes, rivers, or oceans. RWIs can also be caused by chemicals in the water or chemicals that evaporate from the water and cause indoor air quality problems. RWIs can be a wide variety of infections, including gastrointestinal, skin, ear, respiratory, eye, neurologic and wound infections. The most commonly reported RWI is diarrhea. Diarrheal illnesses can be caused by germs such as Crypto (short for Cryptosporidium), Giardia, Shigella, Norovirus and E. coli O157:H7.

    Where are Recreational Water Illnesses (RWIs) Found?

    RWIs are caused by germs spread through contaminated water in swimming pools, water parks, water play areas, hot tubs, decorative water fountains, oceans, lakes, and rivers.

    Swimming Pools, Water Parks, Water Play Areas

    The most common RWI is diarrhea. Swallowing water that has been contaminated with feces containing germs can cause diarrheal illness.

    Swimmers share the water - and the germs in it - with every person who enters the pool. On average, people have about 0.14 grams of feces on their bottoms which, when rinsed off, can contaminate recreational water. In addition, when someone is ill with diarrhea, their stool can contain millions of germs. This means that just one person with diarrhea can easily contaminate the water in a large pool or water park. People may not realize that although there is no standing water in interactive fountains/water play areas, the spray water will rinse any contaminants (for example, diarrhea, vomit, and dirt) down into the water holding area and be sprayed again. In other words, the water is recycled through the system.

    Swallowing even a small amount of recreational water that has been contaminated with feces containing germs can make you sick.

    Hot Tubs

    Skin infections like "hot tub rash" are a common RWI spread through hot tubs and spas. Respiratory illnesses are also associated with the use of improperly maintained hot tubs.

    The high water temperatures in most hot tubs make it hard to maintain the disinfectant levels needed to kill germs. That's why it's important to check disinfectant levels in hot tubs even more regularly than in swimming pools.

    The germs that cause "hot tub rash" can also be spread in pools that do not have proper disinfectant levels and in natural bodies of water such as oceans, lakes, or rivers.

    Decorative Water Fountains

    Not all decorative fountains are chlorinated or filtered. Therefore, when people, especially diaper-aged children, play in the water, they can contaminate the water with fecal matter. Swallowing this contaminated water can then cause diarrheal illness.

    Oceans, Lakes, and Rivers

    Oceans, lakes, and rivers can be contaminated with germs from sewage spills, animal waste, water runoff following rainfall, fecal incidents, and germs rinsed off the bottoms of swimmers. It is important to avoid swallowing the water because natural recreational water is not disinfected. Avoid swimming after rainfalls or in areas identified as unsafe by health departments. Contact your state or local health department for water testing results in your area or go to EPA's beach site.

    How are Recreational Water Illnesses (RWIs) Spread?

    Diarrheal Illnesses

    Swallowing water that has been contaminated with containing germs can cause diarrheal illness.

    Swimmers share the water - and the germs in it with every person who enters the pool. On average, people have about 0.14 grams of feces on their bottoms which, when rinsed off, can contaminate recreational water. In addition, when someone is ill with diarrhea, their stool can contain millions of germs. This means that just one person with diarrhea can easily contaminate the water in a large pool or water park. Swallowing even a small amount of recreational water that has been contaminated with feces containing germs can make you sick.

    In addition, lakes, rivers, and the ocean can be contaminated with germs from sewage spills, animal waste, and water runoff following rainfall. Some common germs can also live for long periods of time in salt water.

    Other RWIs

    Many other RWIs (skin, ear, eye, respiratory, neurologic, wound, and other infections) are caused by germs that live naturally in the environment (for example, in water and soil). If disinfectant levels in pools or hot tubs are not maintained at the appropriate levels, these germs can multiply and cause illness when swimmers breathe in mists or aerosols of or have contact with the contaminated water.

    Why Doesn't Chlorine Kill RWI Germs?

    Chlorine (in swimming pools and hot tubs) kills the germs that cause recreational water illnesses (RWIs), but the time it takes to kill each germ varies.

    In pools and hot tubs with the correct pH and disinfectant levels, chlorine will kill most germs that cause RWIs in less than an hour. However, chlorine takes longer to kill some germs, such as Crypto (short for Cryptosporidium). Crypto can survive for days even in a properly disinfected pool. This is why it is so important for swimmers to keep germs out of the water in the first place.

    To protect yourself, your family, and other swimmers from RWIs, it is essential to learn and practice healthy swimming behaviors.

    Source: http://www.rxlist.com

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