
How a century of tile drainage, fertilizer runoff, and a 60-year-old federal safety standard turned Iowa's rivers into one of the most nitrate-contaminated systems in the country — and what families c... ...more
Education
April 23, 2026•11 min read

Iowa's 10 mg/L nitrate standard was set to prevent blue baby syndrome in infants. But new research links nitrates to cancer, birth defects, and thyroid disease at levels far below the legal limit. ...more
Education
March 16, 2026•5 min read

Iowa's drinking water hit dangerous nitrate levels in 2025, triggering the first-ever lawn watering ban for 600,000 central Iowans. Here's what's in your tap water and what you can do about it. ...more
Education
March 05, 2026•5 min read
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