Iowa’s water quality problems: What you need to know

In early 2018 the Iowa Legislature took a step in addressing Iowa’s water quality with a plan to reduce nitrogen and phosphorous levels by 45 percent. Kelsey Kremer/The Register

It seems like Iowans have feuded over water quality since farmers began draining the swampy prairie more than a century ago to turn it into some of the most fertile farmland in the world. On Tuesday, legislators agreed to send the governor a bill committing $282 million to water quality initiatives over the next 12 years, breaking a gridlock that had stretched over three sessions.

But what’s the all the fighting really about? Here’s what we know about Iowa’s long-runing problem with contaminated water:

What’s the harm?

Runoff from farmland, caused by storms and tiling, is sending nitrates and other chemicals into Iowa’s waterways, which cause a host of problems downstream. Elevated nitrates in drinking water — a persistent problem in Iowa — have been linked to a host of health concerns, including birth defects, cancers and thyroid problems, dozens of health studies say.

Full article: Iowa’s water quality problems: What you need to know

More about upstream/downstream issues:

SCOTUS: Upstream States to Reduce River Usage, Aid Downstream States in Drought

U.S.A. and Mexico agree to share a shrinking Colorado River

The Valley floor is sinking, and it’s crippling California’s ability to deliver water

What logging does to your water