6.2 Million Pounds of Toxic Chemicals Dumped into Iowa’s Waterways

From a press release by Environment Iowa, an Iowa Environmental Council member organization:

Industrial facilities dumped over 6.2 million pounds of toxic chemicals into Iowa’s waterways, according to a new report released by Environment Iowa and coauthored by the Frontier Group. Iowa ranks 15th in the nation for this kind of dumping. The report — Wasting Our Waterways: Industrial Toxic Pollution and the Unfulfilled Promise of the Clean Water Act — also discloses that 226 million pounds of toxic chemicals were discharged into 1,400 waterways across the country.

Environment Iowa was joined by other speakers at a press conference March 29 at the Des Moines Chapter of the Izaak Walton League, which is celebrating it’s 90th birthday this year.

“Iowa’s waterways are embarrassingly polluted right now. Polluters dump over 6.2 million pounds of toxic chemicals into Iowa’s rivers and streams every year,” said Samantha Chadwick, the Preservation Advocate with Environment Iowa. “It’s time to turn the tide of toxic pollution and restore Iowa’s waterways to health. For one thing, we should restore Clean Water Act protections to all our waterways.”

Rep. Chuck Isenhart, State Representative from Dubuque, called for more action in Iowa and nationally to address pollution problems. He noted that while there are state and regional governmental bodies working to address water pollution, some formed after the 2008 floods, more partnerships are needed to “make restoring clean water in Iowa and the Midwest a long-term priority.”

The Environment Iowa report documents and analyzes the dangerous levels of pollutants discharged to America’s waters by compiling toxic chemical releases reported to the U.S. EPA’s Toxics Release Inventory for 2010, the most recent data available.

Major findings of the report include:

  • The Beaver Channel, which runs through Clinton, IA along the Mississippi River, is ranked 39th in the country for discharges of cancer-causing chemicals, at 6,912 pounds in 2010. Many industrial operations processing food, chemical, and other products in the area have caused pollution problems along the channel for years.
  • After the Mississippi, the Des Moines River is 2nd in the state for toxic releases, with 1,140,998 pounds. Following in order are the Iowa River with 981,225 pounds, the Cedar River with 721,163 pounds, the Raccoon River with 384,042 pounds, Silver Creek with 364,758 pounds, then Hecker Creek with 340,668 pounds. There are 47 Iowa waterways for which some toxic dumping was reported in the 2010 TRI data.
  • The Mississippi River is ranked 2nd for total toxic discharges nationally, with 1,874,430 pounds of toxics dumped in Iowa specifically and 12.7 million pounds dumped from facilities all along its course through 10 states. The Missouri River is 7th nationally, with nearly 4.9 million pounds dumped along 5 states through which it flows, 104,311 of those pounds are dumped into the Missouri River in Iowa.
  • Roquette America Inc. was the biggest polluter in Iowa, dumping 1.7 million pounds of toxic chemicals into the Mississippi. Roquette America Inc was the 24th biggest polluter in the country, followed closely by another Iowa facility, Tyson Fresh Meats Inc. at 25th.
  • Three of Iowa’s watersheds ranked in top 30 for most polluted in the nation. The Blackbird-Soldier watershed along the Nebraska border ranked 6th, with 4.7 million pounds. Coming in at 27th was the Flint-Henderson watershed along the border with Illinois, 1.8 million pounds. In 30th place was the Lower Iowa watershed, which includes Iowa City, at 1.7 million pounds.

The report summarizes discharges of cancer-causing chemicals, chemicals that persist in the environment, and chemicals with the potential to cause reproductive problems ranging from birth defects to reduced fertility. Among the toxic chemicals discharged by facilities are arsenic, mercury, and benzene. Exposure to these chemicals is linked to cancer, developmental disorders, and reproductive disorders.


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