Iowa DNR warns against swimming at nine beaches


iowa dnr
The Iowa DNR’s map of affected beaches (/IowaDNR)

Eden DeWald | July 18th, 2018

The Iowa Department of Natural Resources has advised beach goers against swimming at nine Iowa beaches across the state due to high levels of E.coli in the water. Signs have been posted to warn Iowans about the high levels of E.coli, but there is still no shortage of swimmers on the affected beaches.

E.coli, or Escherichia coli, is a bacterium that lives in the digestive tracts of humans. However, pathogenic strains of E.coli can cause infections in humans with symptoms including diarrhea and vomiting, and in some serious cases, kidney failure. Exposure to pathogenic bacteria can occur via contaminated food, water or contact with another infected person. Young children, the elderly, and those with weakened immune systems are the most susceptible to an E.coli infection.

The DNR recognized that it is hard to pinpoint what causes these high levels of E.coli in water. However, E.coli outbreaks in lakes and beaches have been linked to human and animal waste. A paper from the Iowa Public Policy project published earlier this year also links E.coli to waste from concentrated animal feeding operations, or CAFOs, of which there are an estimated 10,000 in Iowa.

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