More than 800 manure spills have occurred on Iowa farms during the past two decades. At least 262 manure spills reached Iowa waterways between 2001 and 2011 alone, affecting the vast majority of counties.
More than half of rivers and streams in the region including Iowa are in “poor condition for aquatic life.” Manure spills are a major contributing factor to this problem, and they are happening more often. The number of recorded manure spills in Iowa grew from 46 in 2012 to 76 in 2013.
How should state government respond to this set of facts? Various policies might address the explosion in waterways officially recognized as “impaired.”
But this is Iowa, where it’s a minor miracle to get state lawmakers to take any steps against water pollution, and agricultural interests have repeatedly moved to undermine regulations related to the handling of manure on large-scale farms.
Last week, two-thirds of Iowa House members saw fit to reduce continuing education requirements for people certified to spread liquid manure on farm fields.
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