Secretary Naig Announces Start of Construction on Middle Cedar Watershed ‘Batch and Build’ Project

DES MOINES, Iowa (July 30, 2025) – Iowa Secretary of Agriculture Mike Naig announced today that construction is starting on a “batch and build” water quality project in Tama and Grundy Counties. This project, led by Heartland Co-op, will include the installation of 14 saturated buffers and four bioreactors. These proven edge-of-field practices, which are outlined in the Iowa Nutrient Reduction Strategy, improve water quality and reduce the loss of nutrients, like nitrates, into Iowa’s waterways. Together, these 18 practices will treat 24 tile outlets and protect neighboring water sources in the Middle Cedar Watershed.

Iowa’s innovative “batch and build” model modernizes and expedites the installation of edge-of-field practices by batching the design and construction of conservation practices on multiple farms at once, accelerating water quality progress. This is the third “batch and build” project led by Heartland Co-op that has gone to the construction phase in the past two years. They have two additional batches already in the planning phase for construction beginning in 2026.

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Originally published by Iowa Department of Agriculture and Land Stewardship