Illinois
Illinois
Water in the Prairie State: farm drainage, old city sewers, and the systems in between.
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One Pipe for Everything: Combined Sewers and the Summer Storm Problem
Older Illinois cities still run sewers designed to carry stormwater and sewage together. Why they overflow in heavy rain and what fixing them involves.
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Runoff 101: How Nutrients Leave Illinois Fields and Enter Illinois Water
Nitrogen and phosphorus feed crops, and when they escape, they feed algae. A plain-language guide to how agricultural runoff works and the practices that slow it down.