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Beaches: How Safe is It? - Elf: Minnesota Department of Health Page 4 of 6 <br />"blooms As they grow, algae produce toxic <br />.......... <br />Hazards from recreational bathing are related to exposure through swimming or ingestion. Th4l <br />most common form of illness contracted from swimming in water is gastroenteritis - symptom <br />ofi gastroenteritis include nausea, vomiting, diarrhea, stomach pain, headache and fever. Oth <br />illnesses such as respiratory illness or infections may also occur after exposure to <br />contaminated waters. I <br />Public Realth officials access water quality through a combination of sanitary inspection and- <br />micr•bial water quality assessment. <br />There is no simple way of determining if waters are free of contamination without laboratory <br />frequently, chasing away birds, grooming the be to remove contaminants and possibly <br />closing the beach. <br />How is water tested? <br />http://www.health.state.rrm.us/divs/eb/beaches/howsafe.htmi 5/23/2011 <br />