Waterborne Illness Surveillance Statistics - Minnesota Dept. of Health

Waterborne Illness Surveillance Statistics

Epidemiologists at the Minnesota Department of Health conduct surveillance and epidemiologic studies to track waterborne diseases and identify waterborne disease outbreaks in Minnesota.

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Waterborne illness outbreaks
Disease-specific statistics

Waterborne Illness Outbreaks

Drinking water outbreaks

From 2008 to 2017 there were two reported drinking water illness outbreak in Minnesota resulting in 11 known illnesses. One was an outbreak of giardiasis associated with drinking well water at a campground. The other was an outbreak of copper poisoning associated with a drinking fountain at a school.

Recreational water outbreaks

From 2008 to 2017 there were 51 reported recreational water illness outbreaks in Minnesota resulting in 667 known illnesses. The largest proportion (51%) of outbreaks were caused by Cryptosporidium. Other agents associated with outbreaks were: E. coli O157, Legionella, norovirus, Pseudomonas,and chemicals. Of these 51 waterborne outbreaks, the most common type of illness experienced was acute gastrointestinal illness, reported in 33 (65%) outbreaks, followed by dermatitis reported in 10 (20%) outbreaks, and acute respiratory illness reported in 8 (16%) outbreaks. Outbreaks occurred in a variety of settings; 30 occurred in swimming pools, 9 in lakes and rivers, 8 in spa pools, 2 in splash pads, 1 in a swimming pond, and 1 in an inflatable kiddie pool.

Other water outbreaks

From 2008 to 2017 there were six reported outbreaks in Minnesota associated with other types of water resulting in 40 known illnesses. Four were outbreaks of Legionnaires’ disease; these outbreaks were associated with exposure to a decorative water wall in a casino, exposure to a drinking water distribution system in a restaurant, exposure to a cooling tower, and an unknown exposure at a senior living facility. The other two were outbreaks of giardiasis; both outbreaks were associated with drinking surface water along a hiking trail.

Charts, graphs, and maps

Disease-specific statistics

More Minnesota Waterborne Illness Statistics

Updated Friday, 27-Apr-2018 11:29:12 CDT