Iowa's £153M Plan to Fight Nitrate Pollution in Drinking Water

Iowa is taking new steps to tackle rising nitrate pollution in its drinking water. Gov. Kim Reynolds has unveiled a legislative package to fund upgrades for struggling utilities and expand water treatment facilities. The move comes as public concern grows over contamination linked to industrial farming.

Recent polling shows strong support for stricter rules on agriculture to cut pollution. Meanwhile, multiple communities have reported unsafe nitrate levels in their water supplies this year.

Since early 2024, at least seven Iowa towns have seen their public water supplies exceed the EPA’s legal limit for nitrates. The Des Moines and Raccoon rivers hit near-record contamination levels in 2026, with readings above 10 milligrams per litre for over 100 days. Long-term exposure to such levels has been tied to cancers and serious health risks, particularly for infants.

In response, Gov. Reynolds announced a funding boost for water infrastructure. The plan includes a one-time £25 million investment to expand the Central Iowa Water Works nitrate removal plant, which serves over 600,000 people. An additional £76 million will go towards grants and loans for rural communities upgrading their treatment systems. The state will also direct £52 million to the Iowa Department of Agriculture and Land Stewardship for conservation efforts in the Des Moines watershed. However, critics argue the measures fall short by not addressing the root causes of agricultural pollution. The Iowa Water Quality Information System, which runs over 60 real-time pollution monitors, lost state funding in 2023 and faces further cuts when its grant expires in July 2026. Public pressure has been building for stricter action. A February poll by Food & Water Action found that 79% of Iowa voters back mandatory requirements for industrial farms to reduce pollution.

The new funding aims to help utilities meet federal drinking water standards while expanding treatment capacity. However, the loss of monitoring systems and ongoing nitrate spikes raise questions about long-term solutions. The state’s approach focuses on infrastructure upgrades rather than regulating agricultural runoff at its source.