Healthy Swimming Fast Facts

Information on Healthy Swimming and Recreational Water

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Classic Pool Service can help you and your family to not become another statistic. These are some amazing facts that help us to appreciate the need to make our swimming pools safe and secure. 

Swimming in the U.S.

  • In the United States during 2009, there were approximately 301 million swimming visits each year by persons over the age of six 1.
  • Thirty-six percent of children aged 7-17 years, and 15% of adults in the United States, swim at least six times per year 1.
  • Swimming is the fourth most popular recreational activity in the United States 1.
  • Swimming is the most popular recreational activity for children and teens (ages 7-17) 1.
  • About 91 million people over the age of 16 swim in oceans, lakes, and rivers each year in the United States 2.

Swimming Pools & Hot Tubs/Spas

  • There are 10.4 million residential and 309,000 public swimming pools in the United States 3.
  • Almost 1 in 8 (12.1% or 13,532 of 111,487) routine pool inspections conducted during 2008 identified serious violations that threatened public health and safety and resulted in an immediate closure 4.
  • More than 1 in 10 (10.7% or 12,917 of 120,975) routine pool inspections identified pool disinfectant level violations. Chlorine and other pool disinfectants are the primary barrier to the spread of germs in the water in which we swim 4.
  • There are over 7.3 million hot tubs in operation in the United States 3.
  • About half (56.8%) of spas are in violation of local environmental health ordinances, and about 1 in 9 spas require immediate closure (11%) 6.

Germs & Outbreaks

  • A total of 81 recreational water–associated outbreaks affecting at least 1,326 persons were reported to CDC for 2009-2010 7.
  • More than 1 in 5 (21.6%) of American adults do not know swimming while ill with diarrhea can heavily contaminate water in which we swim and make other swimmers sick 9.

Injuries & Drowning

  • In 2008, almost 4,600 persons visited an emergency department for pool chemical-associated injuries. The most common injury diagnoses were poisoning, which includes ingestion of pool chemicals as well as inhalation of vapor, fumes, or gases and dermatitis/conjunctivitis. More than half of the injuries occurred at a residence 7.


Contact Classic today! Let us do the work of handling your pools chemicals so that you and your family do not have to. Not only will using a pool service keep your pool looking better it will also be safer for your family and will help avoid exposure to the chemicals needed to keep your swimming pool safe. 



  1. US Census Bureau. Statistical abstract of the United States: 2012. Arts, recreation, and travel: Participation in selected sports activities 2009  [PDF - 2 pages]

  2. CDC. USDA, Forest Service. NSRE - National Survey on Recreation and the Environment. 2000.

  3. The Association of Pool & Spa Professionals. U.S. swimming pool and hot tub market 2011  [PDF - 1 page].

  4. CDC. Violations identified from routine swimming pool inspections — selected states and counties, United States, 2008. MMWR Morb Mortal Wkly Rep. 2010;59(19):582-7.

  5. Hubbard R. U.S. Hot tub sales not so hot in 2007. Pool and Spa Marketing. March (2009b):14.

  6. CDC. Surveillance data from public spa inspections — United States, May–September 2002. MMWR Morb Mortal Wkly Rep. 2004;53(25):553-5

  7. Hlavsa MC, Roberts VA, Kahler AM, Hilborn ED, Wade TJ, Backer LC, Yoder, JS. Recreational water–associated disease outbreaks — United States, 2009–2010. MMWR Morb Mortal Wkly Rep. 2014;63(1):6-10. MMWR Morb Mortal Wkly Rep. 2011;60(ss12):1-32.

  8. Shields JM, Hill VR, Arrowood MJ, Beach MJ. Inactivation of Cryptosporidium parvum under chlorinated recreational water conditions. J Water Health 2008;6(4):513–20.

  9. CDC. Promotion of healthy swimming after a statewide outbreak of Cryptosporidiosis associated with recreational water venues — Utah, 2008–2009. MMWR Morb Mortal Wkly Rep. 2012;61(19):348-52.