Noida. Groundwater in Yamuna floodplains of Noida is contaminated with dangerous levels of nitrate. In at least two samples of the underground water tested by CentralGround WaterBoard in 2025, these levels were almost double the permissible limits ... .
The change widened the floodplain and allowed seasonal floodwater to spread across fields that had been separated from the river by levees ... It also created more seasonal floodplain habitat for fish and ...
The Meacham Creek floodplain in Oregon has undergone a major restoration effort aimed at reconnecting the river with areas that can support native fish ... 3.3 acres of wetland within the floodplain.
Now, a proposed restoration plan aims to address some of that long-term damage by protecting floodplain habitat, reconnecting historic waterways and improving conditions for fish and wildlife.