Pam Mackey Taylor is the Director of the Iowa Chapter of the Sierra Club.
The U.S Environmental Protection Agency (EPA) recently notified the Iowa Department of Natural Resources (DNR) that several Iowa rivers which are used for drinking water need to be put on the impaired waters list—also called the 303(d) list—because they are polluted with nitrate and nitrite. Nitrate and nitrite are toxic to humans.
The affected rivers are the Cedar River, Des Moines River, Iowa River, Raccoon River, and South Skunk River. There were numerous water samples exceeding the federal water quality standard for surface waters used for drinking water.
This development is significant, because it means DNR will have to take actions to reduce the nitrates and nitrates in these rivers in order to protect drinking water. With these rivers on the impaired waters list, the DNR can no longer ignore the continuing pollution of these waterways with nitrate and nitrite.
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