Iowa could soon face water situation similar to Toledo


Nick Fetty | August 7, 2014
Blue green algae growing on Lake Eric. ( NOAA Great Lakes Environmental Research Laboratory/Flickr)
Blue green algae growing on Lake Erie. (NOAA Great Lakes Environmental Research Laboratory/Flickr)

Algae blooms in Iowa could contaminate the water supply, similar to what recently happened in Toledo, and according to one expert, “it’s not a matter of if, it’s a matter of when.”

High levels of nitrogen and phosphorus inundate Iowa waterways and that coupled with high temperatures provides the perfect breeding ground for algae. The state has implemented a voluntary plan which encourages farmers to practice agricultural techniques that will lessen the amount of fertilizer run-off which leads to contaminated waterways in Iowa.

The U.S. Army Corps of Engineers recently advised beach-goers to avoid the waters at Lake Red Rock in Marion County due to excessively high levels of blue green algae which is known to contain toxins that are harmful to humans and can be lethal for animals. The Iowa Department of Natural Resources advises swimmers to take extra precaution in Iowa lakes during this time of the year. There are currently about dozen state-operated beaches in Iowa where swimming is not advised.

Attornys general from Iowa and 14 other agricultural and ranching states have spoken out against a recent U.S. Environmental Protection Agency proposed rule for the Clean Water Act, fearing the proposal would place excessive regulations on farmers and ranchers. EPA Administrator Gina McCarthy has defended the proposal and said it does not intend to place strict federal regulations on farmers.

Approximately 600 households in southwest Iowa were recently issued a boil order before consuming tap water after water quality tests concluded that chlorine levels were not sufficient. Chlorine is used to kill bacteria and other harmful toxins as part of the water filtration process but there was no indication that bacteria or other toxins had actually contaminated the water supply.

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