MARSHALLTOWN, Iowa -- The Iowa Department of Health and Human Services announced there are now 34 cases of Legionnaire's Disease in Marshall County, including one death, as of Tuesday afternoon. That's four more than a day ago.

HHS is in charge of investigating the cluster of cases in the county.

On Monday night, Marshalltown held a city council meeting where officials with Marshalltown Water Works and Marshall County Public Health spoke. They both said the water is safe to drink and passes all tests and standards.

So, residents want to know how and why this is happening and where it's coming from.

Legionnaire's Disease is not spread person to person. The disease thrives in water environments and typically spreads through the spray of water droplets, like mist.

One Marshalltown reside

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