Pathogens in the water such as viruses, bacteria and parasites can cause illnesses such as gastrointestinal infections, rashes, respiratory illnesses and even life-threatening neurological conditions.Īn estimated 3.5 million people get sick each year after swimming in natural water bodies containing harmful bacteria and pollution, according to the U.S.
Marine and freshwater beaches, lakes, rivers, and ponds can be contaminated with bacteria, chemicals, pathogens, and other pollutants from sewage bypasses, combined sewer overflows, human and animal faeces, urban runoff, and pollution. Natural water bodies can also make you sick. These microbes can contaminate the water and cause illness in other bathers. The main cause of illness from a dip in a pool are the germs that are carried into the water on our bodies. The majority of reported recreational water illnesses are in fact contracted from pools and other treated water. People can get sick from swimming in pools as well as from swimming in natural water bodies, like lakes, rivers, swim holes, and coastal beaches. Grey means there is no current water quality information, the beach is under construction, there has been an event that has rendered water quality information unreliable or unavailable. Red means the water at the site has water quality issues or there is an emergency. This status does not indicate current water quality. This means that this site has been issued a Blue Flag status for the current swimming season. We may manually set the status for a specific beach if we have concerns about the sampling protocol, if there is an emergency, if monitoring practices don't exist or have recently changed, or other reasons that render this site "special." Red means the beach failed water quality tests 40% of the time or more. Yellow means the beach passed water quality tests 60-95% of the time. Green means the beach passed water quality tests 95% of the time or more. This means that rather than displaying current data it displays the beach's average water quality for that year.
When swimming season is over or when a beach's water quality data has not been updated frequently enough (weekly) it goes into historical status. Grey means water quality information for the beach is too old (more than 7 days old) to be considered current, or that info is unavailable, or unreliable. Red means the beach’s most recent test results failed to meet water quality standards. Green means the beach’s most recent test results met relevant water quality standards.
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