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In 2016, Indiana found very poor fish health in 1.27 miles of Big Branch after years of pollution. 7 years later, its fish score reached 48 and the segment was cleared
Big Branch 的恢复最终提醒人们,环境恢复通常是以几年而不是几周来衡量的。由于单一的清理项目,河流并没有得到改善;经过多年的流域规划、农业保护、技术援助、地方参与和公共资助,其取得了进展。