How Iowa's Water Got Here
Published on: 23/04/2026
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 can do at the tap.
Iowa nitrateIowa water qualitytile drainageDes Moines River nitrateRaccoon River nitrateCentral Iowa Water Workslawn watering ban 2025agricultural runoffIowa drinking waternitrate cancer riskEPA nitrate MCLprivate well nitrateIowa private wellsIowa cancer rateCAFO water pollutionfertilizer runoff Iowablue baby syndromeFleur Drive treatment plantIowa Nutrient Reduction Strategy



