The Economic Times

In 2012, Indiana began protecting Flat Creek, a 54-mile stream affected by pollution. 10 years later, multiple stretches had recovered enough to be removed from the list

Flat Creek in Indiana experienced significant water quality issues for years. A 2012 plan initiated watershed improvement efforts and best management practices. Monitoring in 2019 showed improvements, leading to delistings in 2022. Further monitoring in 2024 revealed continued progress in biological scores.